JPH09331571A - Position monitor retrieval system and its equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To extend the battery service life, to set a system suitable for a kind and a purpose of an object in the case of using a cell system mobile communication system so as to retrieve a position of a retrieved terminal equipment in the unit of cells, to prevent an object having been moved remotely already at the retrieval, to retrieve the object even at the outside of a service area, to provide a cell acquisition method, to allow an automobile to retrieve an object, to provide a method of retrieving monitoring of lots of retrieved terminal equipments by means of one telephone set and to allow a substitute agency to retrieve the objects. SOLUTION: A power supply of a retrieved terminal equipment is interrupted by a time pattern in response to a retrieved object, and when a cell position updated at each occasion is changed or a cell is deviated from a normal activity range registered in advance, a new cell position is informed for warning. When the cell is deviated or in existence at the outside of a service area, a transceiver mode is selected, and a radio wave is searched in a direction of the terminal equipment and traced and acquired. On emergency, the rapid mode time pattern is selected, an automobile is used by connecting to a car navigation system. The overlapped time pattern is avoided or lots of retrieved terminal equipments are monitored on the occurrence of a busy state and redialing and an agency or a station takes over the job.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a field of a system for searching a position of a terminal to be searched for on a cell unit basis by utilizing a cell structure of a cell type mobile communication system, and particularly to continuously monitor and search for the terminal. He is concerned with the technology of adapting the system according to the state of the terminal.

[0002] Specifically, it is a field in which the whereabouts of people and things are remotely searched for or captured by a cell type mobile phone or PHS system. It can be divided into the following two fields.
a) When the person carrying the terminal to be searched can make a call and the call is valid. 1. Taxi dispatch, truck dispatch, patrol dispatch (security, nature conservation, etc.) 2. Collection and delivery services (home delivery, rental potted plants, rental paintings), transportation services, 3. Repair service industry 4. Rental business, (car, boat, cycle, etc.) 5. Civil works, forestry, wide area work 6. Patrol (elderly living alone, sick, etc.)

B) When the person (object, animal) carrying the terminal to be searched cannot talk or does not need to talk. 1. Wandering old people, infants, pets, watchers 2. Valuable goods stolen, art theft, stolen cars, cash transport vehicles 3. Abductees, emergency patients, victims b) 1. The wandering old man and pet animals have become a social issue and are often reported in newspapers.

[0004]

2. Description of the Related Art In a cell type mobile communication system such as a mobile phone or PHS, the service station on the system needs to know the cell position of the mobile terminal, and there are many conventional methods for determining and registering the cell position to which the cell belongs. Method has been proposed, but it is finally implemented in unification with the current method.

[0005] A monitored terminal of the system system is attached to a monitored / searched object, and upon request of a searcher (on-demand)
A system is known in which the position of a terminal to be searched, that is, the position of a monitored / searched object is searched in cell units based on cell position information registered on the station side.

A method has also been proposed in which when a searcher calls the terminal to be searched from a search telephone, the cell position is notified to the searcher or a search agent. The reported position is displayed on the map by the computer, and the location is answered in response to the inquiry from the search requester.

In a portable device such as a terminal to be searched, a technique is known in which power is saved by operating intermittently at a specific time pattern in order to prolong battery life.

For further detailed position determination within a cell whose location is specified, a method of locating three points by three cell stations including adjacent cells is known. There are a method of calculating the position of the terminal to be searched from the strength of radio waves received from the three-cell station, and a method of calculating from the strength of reception of radio waves from the terminal to be searched at the three-cell station. The former is better than the latter because the transmission intensity of each station is not uniform, but both have the problems described below.

[0009]

[Problems to be Solved by the Invention]

Assignment 1. The method of using the location registration data on the station side has a high risk of system down due to the occurrence of a bug, since the system software of the main task in operation is dealt with. Further, if the three-point orientation is used for the fine positioning in the cell, the work of addition and connection to the system software is large and the risk is large. The cost of modifying software and many cell stations is also high.

Since the method of modifying the software of the terminal to be searched so that the terminal to be searched calls the terminal to be searched and the cell position of the cell stored in the terminal to be searched is notified is separated from the operation on the station side, Although there is no risk or cost, there is a high frequency of calling (polling) at regular intervals for monitoring, the number of terminals to be handled is limited, and communication costs also increase. If the polling interval is extended, there is a problem that when the position is decided, the user has already gone far or left the service area. If the three-point orientation is used for the in-cell positioning, the same problem as described above occurs, and it is necessary to connect with the station system, which causes risks and costs on the station side.

Problem 2. When the search side starts up or determines the position only when the searcher requests it (on demand) and reports, the method is such that when the search is felt, the terminal to be searched has already gone far or outside the service area. There is a problem that it is more likely to be out in.

Problem 3. In the application example described in the field b) of the invention, the terminal to be searched needs to be attachable to dogs, cats, and infants, and is not detected by a kidnapper or a thief. The battery life must be long. The size of current mobile phones and PHS terminals is too large. Moreover, the current battery life of about one week is too short. As a measure for this, there is a known power supply intermittent ON / OFF, but simply ON / O.
The frequency of search decreases only by FF, the discovery of deviation from the normal activity range is delayed, and it has already deviated far,
It is out of the service area and cannot be found.

Problem 4. The system is not limited to on-demand search, but the type of the object to be searched, that is, its moving speed (eg, slow speed of pedestrians / pets, medium speed of bicycles, sudden speed of automobiles / motorcycles), activity time zone ( It is necessary to adapt to an emergency situation (for example, due to daytime) or a sudden change in the movement mode (for example, valuables always in a fixed position are stolen and start moving at a rapid speed).

Problem 5. The detail search method in the cell needs to be a method that can be easily connected to the cell-based position search method. In addition, it is desirable to use a system separate from the operation of the station. The greatest drawback of the three-point orientation method is that there is no calculation method common to all cases, because the cell size and shape and the relative position between adjacent cells are different for each cell. Particularly in urban areas, the cell shape is almost a road pattern, and calculation is impossible unless there is data for each cell. Having data for each cell requires a great deal of labor and a huge amount of data. In addition, in order to increase the number of terminals accommodated, it is necessary to reduce the cell size and repeat the frequency channels used, and the overlap of the cell ranges is made small to avoid interference, so the received signal strength from the adjacent cell station is weak and there is an error. growing.

Problem 6. In practical use, detailed position information alone is not enough, and actually the device to be searched (person, animal,
Object) needs to be captured. In this case, even if the person moves out to the detailed position in the cell by relying on the detailed information, the searched object (hereinafter abbreviated as the searched object) has already moved. Dogs, cats, stolen valuables, etc. are particularly difficult to find and capture. Repeatedly requesting detailed position information lacks real-time properties, increases communication frequency, and increases communication charges. Moreover, the positional accuracy is insufficient, and it is not possible to obtain information on the height of the floor, such as the inside of the ditch, the ceiling, or the floor.

Problem 7. It is necessary to take measures when the searched terminal comes close to or goes out of the service area of the cell type mobile communication system.

Problem 8. It is necessary to be able to obtain and use location information during tracking when the terminal to be searched (stolen item, stolen vehicle, etc.) is tracked and collected by a car, motorcycle, etc.

Problem 9. It is desirable that the search is performed by a general agent who is not accustomed to operating the equipment and by the agent or communication system station that receives the request, and notifies the requester of the result.

Problem 10. To save power, even if the searched terminal operates intermittently, it is necessary to be able to perform positioning / position notification and control of the searched terminal at any uncertain time (emergency etc.).

Problem 11. The battery level of the device under test is low,
In particular, in the example of the application field b), the object to be probed cannot cope with it, so communication becomes impossible and monitoring / searching becomes impossible. .

[0021]

[Means for Solving the Problem] Solution of the problem 1. According to claim 1, the normal activity range cells of the sought terminal are stored in advance in the sought terminal only when the position of the resident cell stored in the sought terminal is changed, and the resident cell is normal. By reporting the new cell position from the terminal to be searched to the search side only when it deviates from the cell group in which it is located, it is possible to monitor and search regardless of the operating system of the service station, and communication between the terminal to be searched and the search side. The frequency can be greatly reduced, the number of terminals to be searched that can be accommodated on the search side can be increased, the communication fee can be reduced, and even when the vehicle deviates, it can be discovered without time delay.

Solution to Problem 2. According to the first and the fifth aspects, when the terminal to be searched changes the cell position, particularly when it deviates from the normal cell group, the terminal itself reports the fact to the search side, so that the time delay from the deviation to the discovery can be eliminated or reduced.

Solution to Problem 3. According to claim 2, even if the power is largely saved and the positioning is intermittent for power saving, the positioning and the notification are intermittently operated in different time patterns, and the positioning time pattern is used. Is optimized according to the moving speed of the object to be probed, and the notification time pattern is optimized according to claim 4, so that the required functions and responsiveness are sufficiently maintained despite power saving. .

In the technical field to which the present invention belongs, b) In the application example in which the carrying terminal (person, object, animal) of the terminal to be searched (person, object, animal) cannot call or does not need to call, the LCD display, the key group, the microphone, etc. can be removed, Moreover, since the battery size can be made small, the terminal to be searched can be made small and the battery life can be extended.

Solution to Problem 4. Correspondence to the type of object to be searched can be solved by setting an appropriate time pattern according to the fourth aspect of claim 5. In the event of an emergency, claim 5, 3, 4,
According to claims 7 and 8 and claims 12 and 14, it is possible to shift to continuous mode or sudden mode, provide another dedicated telephone to receive frequent position reports, or perform positioning at any time. This can be solved by making it possible to control the mode of the notification and the object to be searched.

Solution to Problem 5. Claim 1, 2, 5,
According to paragraphs 6, 8, and 9, the terminal to be searched is set to the transit mode, and the identification signal of a specific sound or code is transmitted at an appropriate time pattern, and the direction signal is detected by the direction finder using the identification signal of the radio wave as a clue. Capture the approach while confirming the direction. In addition, the loud sound is urged to return to the person himself or the third party in the vicinity is asked to assist. The sound around the terminal to be searched, GPS, and various sensor outputs are useful for detailed position determination. In this way, the detailed position in the cell can be determined, found and captured. As the direction finder, a terminal of the same system as the terminal to be searched with a directivity giving adapter can be used. (Patent pending by the present inventor)

Solution to Problem 6. The direction finding method in the transceiver mode is completely separated from the operation of the station, has a real-time property, and the position accuracy increases as the position approaches. When the direction finder is tilted 90 degrees horizontally, the vertical direction can be confirmed, and the position can be determined three-dimensionally and can be easily captured.

Solution to Problem 7. According to claim 7, when the terminal to be searched approaches the cell at the outer edge of the service area or when the movement locus of the terminal appears to go out of the area, the searcher is notified, and a loud sound is emitted to prompt the person to return to the cell. ,
Request assistance from a third party in the vicinity. Further, when entering the cell at the outer edge of the service area, set the terminal to be searched to telephone mode and transfer.
The mode of item 2 of claim 5 in which the mode and the mode are alternately switched at a specific time pattern, and if it deviates from the area, it will be found by the direction finder in the transit mode as in the case of task 5. Make it possible. The telephone mode is left for the system to capture when it returns to the service area again.
In this way, out-of-cell deviation can be dealt with. If the outer edge cell group is stored in the terminal, the terminal itself can switch the mode.

Solution to problem 8. According to claims 8, 9 and 10, the position of the searched terminal is displayed on the map of the navigation by using the mobile communication terminal as the telephone of the searching side and combining the output thereof with the navigation. You can solve it by tracking it.

Solution to Problem 9. According to claim 11, the agent can efficiently monitor and search a large number of terminals to be searched with one search telephone, and claim 1, 2, 3, 4, 5, 6,
By 7, the communication frequency can be reduced, the communication fee can be reduced, and the setting of the terminal to be searched can be changed remotely by telephone even when the requester's request changes, so that it can be economically performed on behalf of the client and billed in case of emergency. It can be dealt with by item 12. Further, even in the case of claim 13 in which the service station acts on behalf of the service station, the station side can efficiently monitor and search a large number of terminals to be searched. In this way, it is possible to reduce the burden of device operation on the general public.

Solution to Problem 10. According to the sixth aspect of the present invention, the search side gives an instruction at an arbitrary time synchronized with the ON time of the terminal to be searched, so that the cell position (code) of the cell can be notified and the terminal to be searched can be controlled at an undefined time.

Further, by combining a pager according to claim 14, even if the terminal to be searched is intermittently operated for power saving, positioning / notification and control of the terminal to be searched at any uncertain time (emergency etc.). It will be possible to solve the problem of dealing with emergencies.

Solution to Problem 11. According to claim 15, the search side can know the decrease in the battery capacity, so by issuing an instruction or by itself, the mode is set to the slow mode or the low activity mode according to claims 3 and 5, and the search and capture are performed while reducing the battery consumption. It can be solved by replacing the battery. .

[0034]

DETAILED DESCRIPTION OF THE INVENTION The invention envisages the following application examples. However, it is not limited to the example. a) When the person carrying the terminal to be searched can make a call and the call is valid. 1. Taxi dispatch, truck dispatch, patrol dispatch (security, nature conservation, etc.) 2. Collection and delivery services (home delivery, rental potted plants, rental paintings), transportation services, 3. Repair service industry 4. Rental business, (car, boat, cycle, etc.) 5. Civil works, forestry, wide area work 6. Patrol (elderly living alone, sick, etc.)

B) When the person (object, animal) carrying the terminal to be searched cannot talk or does not need to talk. 1. Wandering old people, infants, pets, watchers 2. Valuable goods stolen, art theft, stolen cars, cash transport vehicles 3. Abductees, emergency patients, victims b) 1. The wandering old man and pet animals have become a social issue and are often reported in newspapers.

The inventor of the present invention has already applied for a method for detecting the direction of the radio wave emitted by the terminal to be searched for determining the detailed position in the cell. Therefore, although the present invention can be implemented by a (macro) mobile phone having a large cell size, an embodiment using a PHS having a small cell size more suitable for the present invention will be described below.

The cell size of PHS is 100 to 3 in radius.
At 00m, each cell station has its own ID code at specific time intervals.
The terminal name is transmitted, and each terminal receives it and compares it with the already stored location cell ID code. If they are the same, there is no response, but if they are different, request the station to update location registration. The registration of station position data and terminal position data is updated. Therefore, as long as the PHS is operating, its location is always known in cell units. If the PHS terminal is attached to the probe, the location of the probe can be known in cell units. The present invention is based on this principle.

Various systems can be constructed by combining the claims of the present invention, and representative embodiments will be described below.

1. Detected terminal In the above-mentioned application example “a) When the carried terminal of the searched terminal is available and the call is effective”, the searched terminal can be realized by modifying the software of the conventional PHS terminal. Hereinafter, it is referred to as an a-type probe terminal.

In the application example "b) In the case where the person (object, animal) carrying the terminal to be searched cannot talk or does not need to talk", most of the circuits including the large power section are excluded except the LCD display, the key group, the microphone, etc. The power source is intermittent ON type, and the battery is a small-sized and large-capacity product such as a Li battery, the capacity of which is smaller than that of the conventional product, and the shape of the battery is small. The software is also modified. Hereinafter referred to as a b-type terminal to be searched.

In this b-type terminal to be searched, the entire circuit is divided into two parts, that is, the part where the power is always turned on and the part where the power is turned on intermittently. In particular, it is an intermittent ON unit including a wireless transmission unit that requires power. In the case of the a-type, the object to be probed can manage the remaining battery level, so this need is small, but it is desirable to do so.

An example of the software modification section of the terminal to be searched will be described below systematically including the relationship to hardware. In response to a call from another person or a command from the input terminal, the microcomputer having the built-in microcomputer stores a cell group in the normal activity range of the object to be searched equipped with the terminal to be searched. Similarly, it is possible to add, delete, or change the constituent cell by a command.

In this case, the terminal to be searched can be operated for a long time by supplying power to the PHS from the battery of the vehicle when the object to be searched is a vehicle valuable, or from the AC power supply when it is a valuable item at a fixed position. The conventional continuous ON mode enables continuous position monitoring and immediate detection of deviation from the normally located cell. For valuables, it is desirable to use the charger while charging the built-in battery with a charger or a photocell that is powered by electromagnetic coupling without using a power line so that the criminal does not notice the criminal wearing the terminal.

Generally, it is operated by a built-in battery. As described above, the size and weight of b-type infants, pets, etc. must be small and lightweight. In criminal relations such as kidnapping, small size is especially required so that a criminal does not find it. Also, the battery life should be several months when dogs and cats or crimes are involved. The conventional power saving method of intermittently turning on and off the power source is further improved as follows so that the required function is not deteriorated and the responsiveness is not lost.

A power-on time pattern such as a plurality of slow mode, rapid mode, low activity mode, continuous mode, etc. is made from a built-in timer and can be selected by a command from others. The intermittent ON part turns on and off the power according to the selected ON time pattern. During the power ON time, the position of the terminal to be searched is confirmed by communication between the terminal to be searched and the cell station, and the position is registered at the time of change. The length is set to include at least one of the following cycles, and positioning is performed at least once during one power-on time, and if there is a change, the registration data of the station side and the inside of the terminal to be searched are changed within that time. The memory of the own position cell is updated.
The part related to the above positioning in the power ON time period is called the positioning ON time. Further, the system becomes simpler if the time for reporting the self-location cell name (code) to the searching side when required, that is, the reporting ON time is continuously included.

The power-on time pattern can be optimally selected and set according to the walking speed of the object to be searched and the traveling speed of the vehicle.
In addition, the concept of the time zone is introduced, and the
Electric power is saved by lengthening the period of N time (Claim 3) For example, the walking speed is 4 km / h and the cell diameter is 200 to 60.
If it is 0 m, the crossing time will be 3 to 6 minutes, but in application example b) 1 above, the power positioning ON time is 1 in view of low urgency.
It is considered that 0 second and the intermittent cycle may be set to about 10 minutes. The duty becomes 1/60, and when the standby time of the current PHS is one week, it can be converted into 1/6 of the battery volume and 10 weeks of life.

The notification of the cell location of the terminal to be searched to the search side may be fixedly set, for example, by appropriately selecting some of the seven types of claim 4, or by setting a plurality of types to be selectable. However, the setting may be allowed via a telephone from the search side or the like.

Since a high-power radio transmitter operates at the time of reporting, it is desirable to reduce the frequency as much as possible. The 7 types are only when the cell position is notified to the search side every time the power is turned on, or when the cell position is changed, or when the cell position is changed every 3 times. Cell change detection mode (2), cell group change detection mode (1) when the cell group is out of the normal cell group, cell group change detection mode, but there is no change during a specific period (long) The compound mode (4), which is the constant interval mode, when the terminal to be searched is moving underground or at high speed, or when the call cannot be continued for a preset time or longer due to excessive call traffic (at the time of disaster, etc.), then There are a mode (5) for making a notification when the power is on again after the call becomes available again, a mode (6) for instructing a notification from the searcher when the call is indefinite, and a mode (7) for re-calling when the call is busy. .

In (3), since the terminal side judges the deviation of the normal cell group, the frequency of communication with the search side is the lowest, the number of terminals accommodated per one search side telephone number can be increased, and the communication charge is low. However, when the sought terminal stays in the normal cell group, the location is not reported for a long time. Even in that case, the compound mode of (4) allows the situation of the terminal to be searched to be occasionally monitored. This is useful, for example, when it is necessary to capture a person to be inspected in a normal cell group regardless of deviation. The mode of (5) is when the terminal to be searched is temporarily unable to call due to the congestion of the call such as underground, inside the building, prohibited places such as hospitals, high speed running, disaster etc., and then becomes available again. It is useful for confirming the call recovery and the position of the terminal to be searched at that time. In (6), the search side requests the location information from the search side at any arbitrary time. In (7), when the search side is busy, the terminal to be searched automatically recalls when the search side is busy. It is a thing. Of these, (4), (5), (6),
Since (7) is general-purpose, it should be fixedly incorporated in the terminal to be searched.

While the search side can make various settings and selections of the searched terminal at the ON time of the notification from the searched terminal, no communication is made from the searched terminal at other ON times only for positioning. The search side communicates from the search terminal in consideration of the ON time of the search terminal, and the search side notifies the cell position of the cell at an arbitrary ON time (Claim 6). The control of 5) can be performed.

For this purpose, it is necessary to match the times on the search side and the terminal to be searched. The time on the search side at that time may be set in the terminal to be searched if a time adjustment command is issued during a call between both parties, or there is a margin to cover the mutual time difference at a preset fixed time of the day. It is also possible to provide an ON time zone having a time width having a time interval and adjust the time in the meantime. If a group call for mutual call connection between multiple terminals will be introduced in the future, multiple terminals can be timed all together. Further, the time of each terminal to be searched may be adjusted by the time signal of the radio wave broadcast. (Claim 12)

2. Control of the terminal to be searched Now, as will be described later, the terminal to be searched is further instructed by a telephone from the searcher side in accordance with the behavior of the object to be searched or the situation in which the object is kept, or by the judgment of the user itself. It becomes necessary to perform various controls shown in. It is clear from the claims 1 and 2 that the PHS terminals currently on the market already have the transceiver mode, so that they can be easily implemented by modifying the software.

Similarly, as for items 3, 4, and 5, PHS terminals currently on the market already have a built-in clock, and the power supply is turned on by setting the timer.
It has a function of generating N, OFF and an alarm sound, and it is obvious that these can be easily implemented by modifying the software.

Further, in items 6 and 7, when the searcher performs the identification in the transceiver mode, the identification signal can be, for example, a sound of a specific audible frequency or a voice such as the name of the object to be searched. These are digitized by A / D conversion / data compression method of PHS, put in the memory of the PHS terminal to be searched, repeatedly read and transmitted, and expanded by the PHS on the searching side.
D / A conversion makes it sound and can be heard by the explorer. When the search mobile terminal is not PHS, it is converted into sound at the station and can be heard by the search terminal which is an analog telephone. When the identification is performed by an electronic device, the identification signal is preferably a code.
It is obvious that the PHS terminal currently on the market can be easily implemented because it already has the code transmission / reception input / output of the computer or FAX. Further, it is not particularly necessary to prepare a plurality of identification signals in advance and select one of them.

In order to store a plurality of telephone numbers in advance as cell position report destinations in item 8 and select and report one of them, a currently commercially available PHS terminal can already store a large number of telephone numbers, but it is manual. Since it has the function of making a one-touch call when one is selected, it is clear that it can be easily implemented by modifying the software.

It is desirable that the 9th sound emitting unit is an external option that can be connected to the PHS terminal to be searched, and it takes a signal from the earphone terminal as a separate power source and stores a message or a search stored in advance in the same manner as the identification signal. It can be carried out by transmitting a voice from a person who is activated by a searcher's command by software and sounding loudly.

Item 10 can be implemented by adding software with a built-in PHS or external microphone with amplification, various sensors (with digital output) connected to a digital input terminal, and the like.

Item 11 can be easily implemented by improving the software because the PHS has a digital data input / output function.

Item 12 is the same as item 11. However, when using the time signal of broadcast radio waves, it is necessary to add the receiving circuit.

3. Example of Monitoring and Searching An example in which the searching side monitors the position of the search target using the search target terminal described in the first and second embodiments will be described below.

3.1 The first example is an individual system in which a searcher himself / herself makes a fixed or mobile phone of the same communication system (hereinafter referred to as a search phone). As will be described later, it is desirable to use the PHS for the search side telephone as well, if the detailed position determination in the cell is taken into consideration. When the current PHS is used as it is for a search telephone, the new cell position (code) is received by voice only when the cell group of the searched terminal has changed (Claim 1).
Is the simplest. The searcher knows the position by holding a map with the code written in the cell position. When the location information is sometimes desired even when the cell is located in the normal cell group, the composite mode according to claim 4 is preferable.

3.2. As a searching side, a monitoring unit is further connected to the current PHS, and a cell group in the normal range in which the searched terminal normally operates is stored in that unit, and the position notification from the searched terminal is performed by the cell code. By doing so, it is not necessary to store the normal cell group in the terminal side, and the terminal to be searched becomes simple. The notification ON time may be set to the cell change detection mode according to claim 4. Only when the receiving cell position deviates from the normal range, set an alarm and emit sound or blinking light, and reset it when the explorer notices the alarm,
The cell position may be displayed on the unit. . In this way, the searcher's load is reduced. If search PH
If S is also remodeled software, P
It may be added to the software of the HS itself. The registration of normal range cells to the monitoring unit and the PHS on the search side may be performed from the key. The cell position (code or map position) may be displayed on the built-in LCD display. Since the terminal to be searched is constantly monitored, a message is immediately issued when the terminal to be searched deviates from the normal range, which has an effect of preventing the terminal to be searched from largely deviating and going missing. (Claim 6).

3.3 If the deviation still occurs, the searcher goes out to the cell with the search PHS, sets the terminal to be searched as a transit mode by a telephone command, and identifies a specific intermittent time pattern. It is advisable to emit a signal and use the identification signal to detect the direction and capture the terminal to be searched. The present inventor has already applied for a patent regarding the method of using the search PHS for the direction finder. When a plurality of searched terminals are in the same cell, the identification signals are changed to different ones by a command. (Claims 5, 6, 7)

3.4 If it is predicted that the deviation will be further increased and the cell will enter the outer edge cell of the service area of the cell type mobile communication system or that the trajectory will leave the service area,
When an alarm is issued and the searcher gives an instruction, the search target terminal is automatically switched between the telephone mode and the transceiver mode, and the searcher goes out even if he is outside the service area. The search PHS is also set to the transit mode, and the direction detection may be performed in the same manner as in 3.3. The coexisting telephone mode is because the location is automatically notified when the searched terminal returns to the service area again. If the outer edge cell group is stored in the terminal, the terminal itself can switch modes. (Claims 5 and 7, 7)

3.5 In the application example a), it is often necessary to set a cell that is specified and distributed in each place in advance as a barrier and detect that the terminal to be searched passes through the barrier or stays in the cell. At this time, it is advisable to store the barrier cell group in the terminal to be searched in advance and notify the cell position when entering or exiting any one of them.

4. Vehicle movement capture In some cases, an investigator may move while traveling by car or motorcycle to monitor and track the search target terminal that moves at the vehicle speed. In this case, the method of the above item 3 may be used, but it is desirable to further connect the search PHS to the navigation system. Car navigation
The location system can easily display the position cell of the searched terminal on the map display by adding software (claims 8, 9, 10). In case of an emergency such as theft, it is better to change the positioning / reporting time pattern to the urgent mode. (Claims 3 and 4 (b)).

In this case, the cell position / cell code and / or cell shape may be added to the map data contained in the CD-ROM or the like (claim 9). Alternatively, cell position / cell code and / or cell shape data may be used together as another IC card or the like. Of course, it is necessary to match the interface with the car navigation system (claim 10).

5. Rescue to a third party when the communication service area deviates When the searched terminal deviates from or attempts to deviate from the normal range or communication service area, the above-mentioned loudspeaker previously connected by a command from the search telephone. If the person being searched for can understand the voice by audible sound from the vessel, encourage the person to call back and ask the third person in the vicinity to help. Alternatively, ask a third party in the vicinity to hold the PHS and talk to the searcher, and discuss the details. (Claim 6-3
(Claim 1, claim 7).

6. Agency If a searcher is unfamiliar with the handling of equipment, it is desirable that a search agent intervenes. In order to improve the efficiency of the agency business, it is desirable to handle a large number of searched terminals with one search telephone number. To do this, turn on the notification of each searched terminal
It may be set so that the times do not overlap. For example, if the time assigned to the notification ON time is 10 seconds following the positioning ON time and the cycle is 10 minutes, 60 terminals can be handled by sequentially shifting. Of course, the number of terminals accommodated decreases by the number of terminals to be searched in the sudden mode.

The search side may receive the notification from a plurality of terminals to be searched asynchronously instead of collecting the data in synchronization with the positioning ON time described above. At this time, it is preferable to use the recall function when the searching side is busy in claim 5-7. A computer is connected to the search telephone instead of the monitor unit in the case of the individual system to form a monitoring center, and a large number of terminals to be searched are displayed on the map and monitored / monitored.
Just control and search. (Claim 11)

7. In the case of emergency When most of the time for one search phone is devoted to the constant monitoring of the terminal to be searched, the terminal to be searched, which had been fixed to one cell until now, suddenly started moving due to theft etc. At such times,
The terminal cannot be put into an emergency mode in an emergency. In this case, a spare telephone may be provided in advance for emergency, and the call destination of the terminal to be searched may be switched to the spare emergency telephone by a command and the emergency mode may be set (claim 12).

8. The cell-based mobile communication system station can also perform the agency service by the communication service station. Since the location registration of the station is also updated every positioning ON time of the above-mentioned terminal to be searched, the terminal requested beforehand (contracted) can be monitored by the data, and at the important time as described above. You can report to the client. (Claim 13).

9. Terminal control at indefinite time As described above, sending a command from the search side to the terminal to be searched for control is synchronized with the ON time of the terminal to be searched. In order to freely and asynchronously control commands in a super emergency, the output of a communication system of another system such as a pager is combined, and the call and / or command sets the terminal to be searched for power-on time to perform positioning / notification / control. You can do it. (Claim 14).

10. When the device to be searched cannot communicate When the device to be searched cannot enter the area where radio waves do not reach or are in a prohibited area, or while traveling at high speed, or when the call is congested due to congestion such as during a disaster , Is position monitoring,
The search is impossible and no alarm is issued. The location of the cell immediately before being disabled can be used because it is held in the terminal to be searched, the monitoring unit, or the monitoring center. Also, since the terminal to be searched can determine that the call is ready, it is possible to immediately notify the new position. (Claim 4-5
Section).

11. Battery exhaustion of the terminal to be searched Application b) When the person carrying the terminal to be searched (object, animal) cannot talk or does not need to talk, it is difficult to manage the remaining battery capacity of the terminal to be searched. If it continues or deviates from the normal activity range, there is a risk that the battery will be exhausted as it is, communication will be impossible, and search will be impossible. For this reason, the terminal to be searched notifies the searcher of a specific signal when the remaining battery level falls below a specific level by using the battery level display and the battery exhaustion alarm generation function already provided in the PHS, and the device under test can relax itself. Mode and low activity time mode to save energy and extend battery life. The latter is especially useful when it is difficult to receive a command from the searcher when a call is difficult due to a disaster or the like. The searcher can judge from the situation where the terminal to be searched is informed by a report, know the cell position of the cell according to claims 4 and 6 in the normal cell group, and search and capture it to replace the battery. it can. Alternatively, the power saving mode such as the slow mode or the low activity time mode may be set to extend the life of the battery and wait for the battery to be returned to the base (home position) of the terminal to be searched for replacement.
(Claim 15)

[0076]

According to the present invention, the cell structure of a cell type mobile communication system is utilized to constantly monitor the position of a terminal to be searched on a cell-by-cell basis. The searcher can go to the cell and enter the transceiver mode to determine and capture the detailed position in the cell, and when the user goes out of the communication service area, it can be traced and captured in the same manner. The time pattern of the intermittent operation of positioning and position notification is controlled according to the type, state, and search purpose of the searched terminal equipped with the searched terminal to extend the battery life of the searched terminal and is optimally controlled for capturing. It It can also be linked with car navigation. A person who is unfamiliar with the equipment can monitor and search by acting on behalf of an agency or a communication system station.

When the terminal to be searched is provided with a memory of a normal cell group or the like, it is possible to increase the number of terminals to be searched that can be accommodated and to reduce the communication cost without delaying the time for finding a deviation, and significantly reducing the communication frequency. .

In the conventional system for notifying the cell position only at the time of requesting a search, there is already a place outside the communication service area, underground, or the like where radio waves do not reach, or a call is congested at a high speed or in a disaster. The present invention solves the search difficulty in some cases.

Claims (15)

[Claims] 1. A cell type mobile communication system is used, a terminal to be searched (hereinafter abbreviated as a terminal to be searched) of the system is attached to a monitored / searched object, and the position of the terminal to be searched is determined by the cell in which the terminal is located. A system for performing monitoring and / or searching (hereinafter abbreviated as monitoring / searching) on a cell-by-cell basis, wherein the terminal to be searched has at least one of the following means and its equipment. 1. A means (hereinafter referred to as a cell change detection mode) for notifying a pre-registered search side telephone number of the new cell position when the own cell position stored in the terminal to be searched changes. 2. A normally located cell group (hereinafter abbreviated as normal cell group) consisting of a single cell or a plurality of cells in which the terminal to be searched is located during normal activity,
It has means for setting and storing at least one cell group such as the peripheral cell group or the cell group whose passage is to be detected in the terminal to be searched, and is registered in advance when the cell group to which the own cell belongs is changed. A means for notifying the searcher telephone number of the new cell position (hereinafter referred to as cell group change detection mode). 2. A cell type mobile communication system is used, and a terminal to be monitored of the system type is attached to a monitored / searched object,
What is claimed is: 1. A system for monitoring and searching the position of a terminal to be searched by the cell in which the cell is located, on a cell-by-cell basis. 1. Except for the timer of the terminal to be searched, power-supply-needed memory, etc. (hereinafter, always ON circuit part), at least the power of other circuit parts including the high power communication function part is intermittently turned on and off.
FF is applied (hereinafter, the circuit section that is intermittently turned on and off is referred to as an intermittent ON circuit section), and at this power-on time, the correspondence between the terminal to be searched and the location cell code, that is, the location is determined by the communication system. A so-called positioning means in which the location cell code is registered on the terminal side. (The positioning time zone during this power ON time is hereinafter referred to as positioning ON time.) A means for informing the search telephone number stored in advance of the location cell code registered on the terminal side at a specific ON time of the power ON time of the intermittent ON circuit section of the terminal to be searched.
(This notification time zone is hereinafter referred to as the notification ON time.) 3. A position monitoring / searching system and a device therefor according to claim 2, wherein a repetition cycle of the power supply or the positioning ON time is at least one of the following. 1. 0.1 time for pedestrians and animals to pass through one cell
-10 times. 2. 0.1 to 10 times as long as a car passes through a cell. 3. Above 1. And 2. Longer cycle switched to low activity hours at. 4. Arbitrarily specified cycle (including continuous ON time). 4. The position monitoring / searching system and the apparatus thereof according to claim 2, wherein the time of the notification ON time is at least one of the following. 1. When there is a change in the cell group described in claim 1 to which the located cell belongs at the time of positioning, a time point that is continuous or close to the time point of the positioning ON time. (Hereinafter referred to as cell group change detection mode) 2. When there is a change in the location cell position during positioning, the time point that is continuous or close to the time point of the positioning ON time. (Hereinafter referred to as cell change detection mode) 3. A time point that is continuous or close to the time point of each positioning ON time or the positioning ON time for each preselected number of times. (Hereinafter referred to as constant interval mode) 4. If the cell belongs to a normal cell group in the cell group change detection mode, it is set to the constant interval mode even when the cell belongs to the normal cell group, and the time point specified in that mode. (Hereinafter referred to as composite mode) 5. When the call is disabled for more than the preset time When the call becomes available after that (call recovery mode) 6. The time of one or a plurality of predesignated ON times after receiving a request from the search side indefinite time synchronized with the ON time (indefinite time call mode). 7. At the time of the above notification, the searching side is provided with means for making a re-call when the call is busy, and at the time of the re-call (busy mode) 5. A cell type mobile communication system is used, and a monitored terminal of the system type is attached to a monitored / searched object,
A system for monitoring / searching the position of a terminal to be searched by the cell where the terminal is located, in which the terminal to be searched is a call from another telephone or transceiver in the telephone mode or transceiver mode, or from an input terminal. A position monitoring / searching system and its equipment, characterized in that the terminal to be searched has a means for receiving at least one of the following controls by a command by direct input or by its own judgment. 1. Transition to telephone mode or transceiver mode. 2. A transition to a mode in which the telephone mode and the transceiver mode are alternately switched with a preset time pattern. 3. Transition to a mode in which the power of the intermittent circuit section is always on. 4. Power ON time for intermittent circuit and / or positioning ON
Transition to at least one of the following modes prepared in advance as a time pattern of time. (A) Relaxed mode with a long OFF time for pedestrians and animals. (B) A sudden mode with a short off-time, such as for cars. (C) Time zone switching mode that lengthens the OFF time especially during low activity hours. (D) A mode in which the OFF time can be set arbitrarily. 5. The shift to at least one of the modes according to claim 4, which is prepared in advance as a time pattern of the notification ON time. 6. Control for transmitting an identification signal in an appropriate intermittent time pattern for direction detection in transceiver mode. 7. One selection from a plurality of types prepared in advance as the identification signal of the above item 6. 8. Control to change the search telephone number to be reported to one of preset numbers or to a free number. 9. Control to additionally connect a loudspeaker that has the function of emitting a built-in message or a call from a search phone and activate the loudspeaker. 10. Control to send ambient sound or output from GPS or various sensors connected to the search phone number. 11. Setting the constituent cells of the stored cell group of claim 1;
Control to add, delete, change. 12. Control to adjust the time of the built-in clock to the time of the search side or the broadcast standard time. 6. A cell type mobile communication system is used, and a monitored terminal of the system type is attached to a monitored / searched object,
A system and apparatus for monitoring and searching the position of a terminal to be searched by the cell in which the cell is located, on a cell-by-cell basis, characterized by comprising means having at least one of the following functions. 1. A cell group (including a single cell) in a normal location range specific to the terminal and / or its peripheral cell group is set for the terminal to be searched, and if the terminal to be searched deviates from the normal cell group, or enters the peripheral cell group. A means for issuing an alarm to a searcher when a departure from the past movement trajectory is predicted. 2. If the terminal to be searched has a memory of the normal cell group (including a single cell) and / or its peripheral cell group, and if it deviates from the normal cell group or enters the peripheral cell group, it informs the search side. A means to give an alarm to a searcher by a signal. 3. A command for urging the person to be searched to return to the normal range by the loudspeaker according to claim 9 under the alarm generating condition of claim 6 or for activating a means for requesting assistance from surrounding people. Means to emit. 4. Store the barrier cell group whose detection should be detected in the terminal to be searched, and if the terminal to be searched enters or leaves the cell,
A means of notifying the search side of the cell position (code) and issuing an alarm if necessary. 7. A cell-based mobile communication system is used, and a terminal to be monitored of the system is attached to a monitored / searched object,
A system and apparatus for monitoring and searching the position of a terminal to be searched by the cell in which the cell is located, on a cell-by-cell basis, characterized by having at least one of the following means. 1. The alarm is issued to the searcher when the position of the terminal to be searched enters or approaches the outer edge cell of the service area of the cellular mobile communication system, or when the movement locus of the terminal appears to be out of the area, and / or the searcher is alarmed. A means for urging the person to be searched to return to the normal range by using the loudspeaker of item 9 or requesting assistance from people in the vicinity. 2. When the terminal to be searched enters or approaches the outer edge cell of the service area of the cell type mobile communication system, the terminal to be searched is alternately switched between the telephone mode and the transceiver mode according to claim 2 according to a command according to a command. Means to shift to the mode that switches to. 8. A cell type mobile communication system is used, and a monitored terminal of the system type is attached to a monitored / searched object,
It is a system that monitors and searches the position of the terminal to be searched in cell units based on the cell where it is located, and was used as a mobile phone that is connected to the phone on the searching side and is capable of high-speed calling or the searching phone itself. A system and a device thereof, characterized in that a mobile phone capable of making a call while traveling at high speed is connected to or integrated with a car navigation system, and has means for displaying the cell position of the terminal to be searched on a display map. 9. A storage medium in which map data for a car navigation system, to which a position / name or code of a cell station and / or a cell shape is added, is recorded. 10. Cell station location / name or code and / or
Alternatively, a storage medium in which the cell shape is stored and which has an interface compatible with the car navigation system. 11. The search side is 1 in claim 2, 3 or 4.
While monitoring and searching for multiple terminals to be searched for one telephone number to be searched, their time patterns are set so that the notification ON times of the terminals to be searched do not overlap with each other, or they may overlap and overlap. A system and its equipment characterized in that the terminal to be searched automatically recalls when busy. 12. A means for switching between a search telephone number in a normal state and a search telephone number for emergency in a case where a search telephone number for emergency is separately provided and the location report destination registered in the terminal to be searched in an emergency is provided. A system and its equipment having means for setting a positioning / reporting time pattern to the rapid mode of item (b) of claim 5. 13. A cellular mobile communication system is used,
A system in which a monitored terminal of the system method is attached to a monitored / searched object, and the position of the searched terminal is monitored / searched on a cell-by-cell basis by the cell in which the system is located. Characteristic system and its equipment. 1. At least the power of the communication function unit of the terminal to be searched is turned on and off intermittently, and at the ON time, the correspondence between the terminal to be searched and the location cell code is on the station side by the communication system, and the location cell code is on the terminal side. Means to be registered in. 2. The station side registers the requested terminal as a terminal to be searched,
The location cell data, location cell group, barrier cell group, etc. of the terminal to be searched are monitored and searched by using the location registration data on the station side, and the work on the search side in claims 3 to 12 above is performed on behalf of the requester. A means for calling the client who has a fixed or mobile telephone by telephone when necessary. 14. In all of the above claims, regardless of ON time or OFF time, a communication system such as a pager of another system is combined with the sought terminal, and the pager is called at an indefinite time instantly. A system and its equipment having means for positioning, reporting, and controlling ON / OFF terminals, which are ON times for positioning / reporting. 15. A cellular mobile communication system is used,
In a system in which a monitored terminal of the system method is attached to a monitored / searched object and the position of the searched terminal is monitored / searched in cell units by the cell in which the system is located, the remaining battery level of the searched terminal is set in advance. A system and its equipment characterized by having at least one of the following means when the value falls below the specified value. 1. A means to notify the search side that the battery level is low with a specific signal from the terminal to be searched. 2. A means to change the operation and mode of the terminal to be searched based on the battery level information.