JPH09160881A - Portable information terminal device and information terminal display device - Google Patents

Abstract

(57) [Abstract] [Problem] A conventional single-sided liquid crystal display panel is difficult to see as an information terminal for interacting with the other party, because the user has only the function of directing the liquid crystal display panel to his front. There was a positional relationship. SOLUTION: Two liquid crystal display panels are arranged in a back-to-back relationship, and users use the panels in front of each other and use them as various terminals as information exchange terminals.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable information terminal device and an information terminal display device using a liquid crystal display device in which two liquid crystal display panels are arranged back to back and double-sided display is possible.

[0002]

2. Description of the Related Art Conventionally, a portable information terminal device or an information terminal display device using a liquid crystal display device only performs single-sided display.

[0003]

The display device for single-sided display has the following drawbacks.

(1) When the information terminal display device is used as a communication tool for exchanging information between a customer and a store clerk, single-sided display must be used only on one side, and in particular, a liquid crystal display device has a viewing angle. Is small, so the clerk had to lean out and look into the display terminal.

(2) As a means for promptly transmitting the information requested by the customer to the recipient at a restaurant or a gambling place, both parties use a display device to transmit the complicated information very accurately without using words. However, it is not easy to exchange information in single-sided display, and in particular, the liquid crystal display device has a small viewing angle, and thus lacks accuracy and recognition speed.

(3) When a liquid crystal display device is used as a monitor display of a visitor on the door of an apartment, even if a person in the room can recognize the visitor, characters or symbols are given to the visitor from the room. I was unable to convey the message due to reasons such as the above.

(4) When simultaneously displaying various different information received at home, such as facsimile, personal computer communication and household account bookkeeping, cooking menu search, schedule management, message, etc., in single-sided display Since it is necessary to display the information screen in a divided manner, there is a drawback that the characters, figures, etc. become small and difficult to see.

(5) It is necessary to display different information for each platform or line at stations, airports, boarding points, etc.
In the one-sided display, in order to display all the guide information, the display characters must be small, and in the scroll display method, there is a problem that misunderstanding due to a recognition error of passengers and the speed of transmission are poor.

(6) In a display device used in an automobile, an airplane, or a passenger ship, the conventional display device requires different information from the driver, pilot, captain, and passengers. , The information required by each could not be displayed unless the screen was switched.

[0010]

According to a first aspect of the present invention, there is provided a portable information terminal device comprising a liquid crystal display device comprising a front liquid crystal display panel for a customer and a rear liquid crystal display panel for an administrator. The front side liquid crystal display panel displays the information required by the customer, and the back side liquid crystal display panel displays the information required by the administrator. This configuration solves the above problem.

A portable information terminal device according to a second aspect of the present invention is characterized in that at least one liquid crystal display panel of the liquid crystal display device is provided with a touch panel, and this configuration solves the above problems.

The portable information terminal device according to a third aspect of the present invention is characterized in that at least one liquid crystal display panel of the liquid crystal display device displays a menu for ordering a restaurant. This configuration solves the above problems. .

The portable information terminal device according to claim 4 of the present invention is characterized in that at least one liquid crystal display panel of the liquid crystal display device displays a payment amount and a currency of a store, and this configuration solves the above problems. To do.

In the portable information terminal device according to claim 5 of the present invention, at least one liquid crystal display panel of the liquid crystal display device is a travel date, a famous place, an inn, a hotel name, an entertainment facility, a train time, an airplane time, It is characterized by displaying the time of the ship, the name of the country, and the design of the country, which solves the above problems.

The portable information terminal device according to claim 6 of the present invention is characterized in that at least one liquid crystal display panel of the liquid crystal display device displays a betting number, thereby solving the above problems.

The portable information terminal device according to claim 7 of the present invention is characterized in that at least one liquid crystal display panel of the liquid crystal display device displays a menu or a design for purchasing a ticket, thereby solving the above problems. To do.

The portable information terminal device according to claim 8 of the present invention is characterized in that at least one liquid crystal display panel of the liquid crystal display device displays a household account book, a cooking menu, and a schedule, thereby solving the above problems. To do.

The information terminal display device according to claim 9 of the present invention is
Using a liquid crystal display device with two liquid crystal display panels placed back to back for double-sided display, different information is displayed on the front and back surfaces of the liquid crystal display device, and a transceiver is provided for wirelessly communicating information with a portable information terminal device. This solves the above problem.

An information terminal display device according to a tenth aspect of the present invention is characterized in that the liquid crystal display device is attached to a door of an apartment to solve the above problems.

An information terminal device according to an eleventh aspect of the present invention is characterized in that the liquid crystal display device is attached to an airport, a station, or a boarding point, and solves the above problems.

An information terminal display device according to a twelfth aspect of the present invention is characterized in that the liquid crystal display device is mounted in a vehicle, and the above problems are solved.

A portable information terminal device according to a thirteenth aspect of the present invention has a voice recognition function, a voice transmission function, and a language switching function, and solves the above problems.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION A liquid crystal display device used in the present invention is manufactured by disposing a first liquid crystal display panel 2 and a second liquid crystal display panel 3 in a back-to-back relationship as shown in FIG. . Two back-to-back panels have a common upper side connected by a hinge (not shown), and stand in an inverted V shape between the customer and the administrator, both of which are the first and second liquid crystal display panels, respectively. Can be used as an information terminal at a position where it can be recognized in front.

Embodiments 1 to 8 of the present invention will be described below.

(Embodiment 1) As shown in FIG. 2, a liquid crystal display device 1 is provided with a first liquid crystal panel 2 and a second liquid crystal panel 3 which are arranged back to back so that double-sided display is possible. Both the liquid crystal display panel 2 and the liquid crystal display panel 3 have a touch panel function, and pen input is possible.

FIG. 3 shows a block diagram for specifically explaining the functional configuration when different information is simultaneously displayed on the first liquid crystal display panel 2 and the second liquid crystal display panel 3. The information to be displayed is input to the communication means 11 by means of a keyboard, a touch panel, a telephone line via a modem, a remote controller such as infrared communication, or the like.
In the communication means 11, since the various input means described above need to be adjusted by signal processing so that the subsequent data signal processing can be controlled in a unified manner, they are once sent to the management control means 12. The management control means 12 includes an MPU,
A function for unifying the format of data signals input by various input means into an information processing method that can be performed by the information terminal device, which is composed of ROM and RAM and stores control signals for control and programs. have.

All the data signals to be displayed are stored in the image storage means 7 and converted by the video data storage section 8 into signals that match the display device.

Next, the display data output section consisting of the DA converter 13 and the data synthesizing section 14 sends the data signal to the distributor 4, and the first liquid crystal display panel 2 and the second liquid crystal display panel 3 transmit the data signal to the display device as image information. Is displayed as.

On the other hand, the signal switching method for displaying on the first liquid crystal display panel 2 and the second liquid crystal display panel 3 is sent from the image storage means 7 to the display control means 5 via the display content switching means 6. The switching control signal is input to the distributor 4 and the display of the data signal can be designated on either the first liquid crystal display panel 2 or the second liquid crystal display panel 3. Different messages can be switched and displayed on the first liquid crystal display panel 2 and the second liquid crystal display panel 3 in a short time, and the same signal can be displayed. Further, the display content switching means 6 is connected to a data processing section including a video random access memory (VRAM) 10 and a video gate array controller (VGA) 9.

The present invention is a double-sided liquid crystal display device having the above structure.

In a travel agency, restaurant, or general store, a liquid crystal display panel 2 on the customer side of the liquid crystal display device 1 displays a typical landscape 18 of a country, product diagrams 16 and menus 15, and the display portion is touched with a pen. Then, the customer can call the clerk on the opposite side by just pointing, and the clerk uses the administrator's liquid crystal display panel on the back side to display the information required by the customer on the front side liquid crystal display panel, Can deal with travelers.

For example, in the case of a traveler, both parties can exchange information such as a desired travel destination, a language necessary for conversation, and a country of origin. Also, in the restaurant, the customer touches the menu 15 while watching the display on the liquid crystal display panel 2.
The customer can know the menu to be ordered from the liquid crystal display panel 3 on the opposite side by simply pointing to.
At a general store, when paying the purchase price, a clerk looks at a liquid crystal display panel and carries a portable communication terminal device (PIT) 1
7 can be used to recognize the amount of money paid by a shopper and a clerk, and the unit (¥, $) of the amount of money paid, even if their languages are insufficient.

(Embodiment 2) A case in which a desired purchase number or a vehicle ticket number is input using a portable information terminal device at a betting place or an amusement park will be described. As shown in FIG. 4, when the customer inputs data from the touch panel display 19 while watching the display on the customer side liquid crystal display panel 2 of the liquid crystal display device 1,
The input data is recognized by the host side by wireless communication. This touch panel display 19 is used by an individual I
Simply enter D and the password, and you will be directly connected to the bank to automatically make payments and pay dividends. On the liquid crystal display panel 3 side, the manager recognizes the desired purchase number and the ticket number for the vehicle, and confirms the information from the portable communication information terminal (PIT) 17 for sale.

In this way, the ticket purchasing system is simplified and there is no medium such as a mark sheet in the middle, so that tickets can be sold quickly in a short time. (Embodiment 3) As shown in FIG. 5, the liquid crystal display device 1 is attached to a door 30 of an apartment or a condominium, and a person in the room looks at the liquid crystal display panel 2 to confirm a visitor from inside the door. Then, by inputting from the touch panel display 19, a welcome message, an absence message, etc. can be confirmed by the liquid crystal display panel 3 for a visitor who is outside the door. In this way, information on both sides can be transmitted and transmitted without opening the door 30, which is advantageous in terms of security.

(Embodiment 4) An example of using the liquid crystal display device 1 of the present invention at home will be described. As a two-screen information tool, a household account book is displayed on the screen of the first liquid crystal display panel 2, and a cooking menu is displayed on the second liquid crystal display panel 3 on the opposite side. The liquid crystal display device 1 can be turned over and the household account book can be organized during the waiting time for the progress of cooking. As a home information menu, select only the necessary information from a plurality of information such as schedule table, sending and receiving e-mail, bank securities company, receiving catalog sales and ordering, display it on the front and back screen, and Depending on the screen, you can change the screen and display it, or flip it over to get multiple pieces of information immediately.

(Embodiment 5) An example in which a timetable of an airport, a station, a boarding place, etc. and various guide information are displayed using the information terminal display device of the present invention will be described with reference to FIG. When the liquid crystal display device 1 capable of double-sided display is installed in the center of the platform of the station, the first liquid crystal display panel 2 and the second liquid crystal display panel 3
Can be used to display the required information appropriate for each home. Here, the liquid crystal display panel 2 displays the train information display symbol 20 or the aircraft information display symbol 21 and displays the information. The guidance information for each route of the airport has a lot of information peculiar to each route, and can be effectively utilized by installing the liquid crystal display device 1 of the present invention.

(Embodiment 6) FIG. 7 shows an example in which the information terminal of the present invention is installed in an automobile.

The liquid crystal display device 1 is installed between the driver's seat and the passenger seat, the navigation information 22 such as a map is displayed on the liquid crystal display panel 2 facing the driver seat, and the liquid crystal display panel facing the passenger seat side. On the screen 3, news such as TV, video, games, etc. and an entertainment menu 23 can be displayed at the same time.

In addition to the automobile, when the information terminal display device of the present invention is mounted between the driver's seat and passenger's seat of a cruiser or an airplane, it is installed between the driver's seat and passenger's seat of the automobile, It can be effectively utilized.

(Embodiment 7) FIG. 8 shows an example in which the portable information display terminal device of the present invention is used as a translator. When Japanese is input to the liquid crystal display panel 2 on one side of the liquid crystal display device 1 by pen input, a predetermined foreign language translated from Japanese is displayed on the screen of the liquid crystal display panel 3 on the other side. When a designated language is selected from the foreign languages, it can be selected by selecting a country name switch attached to the terminal or the icon 24 provided on the screen.

(Embodiment 8) A microphone 25 and a speaker 26 are attached to the liquid crystal display device 1 capable of double-sided display shown in the seventh embodiment. When speaking in Japanese toward the microphone 25, the person on the other side selects a language that the person on the other side can recognize, and the translated sentence is displayed in characters on the display screen on the side opposite to the speaker 26.

[0042]

As described above, according to the present invention, the liquid crystal display device 1 is provided with the liquid crystal display devices on both sides thereof in a back-to-back state.
It is possible to obtain a portable information terminal device and an information terminal display device that can be utilized in various daily life situations as shown in FIG.

[Brief description of the drawings]

FIG. 1 is an external view of a liquid crystal display device used in the present invention.

FIG. 2 is a diagram illustrating a usage state of the first embodiment of the present invention.

FIG. 3 is a circuit block diagram for realizing Embodiments 1 to 8 of the present invention.

FIG. 4 is an explanatory diagram of a usage state according to the second embodiment of the present invention.

FIG. 5 is an explanatory diagram of a usage state according to the third embodiment of the present invention.

FIG. 6 is a diagram illustrating a usage state of the fifth embodiment of the present invention.

FIG. 7 is an explanatory diagram of a usage state according to the sixth embodiment of the present invention.

FIG. 8 is an explanatory diagram of a usage state according to the seventh and eighth embodiments of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Liquid crystal display device 2 Liquid crystal display panel 1 3 Liquid crystal display panel 2 4 Distributor 5 Display control means 6 Display content switching means 7 Image storage means 8 Video data storage section 9 Video gate array controller 10 Video random access memory 11 Communication means 12 Management control means 13 DA converter 14 Data synthesizer 15 Menu 16 Product diagram 17 Portable communication terminal (PIT) 18 Scenery 19 Touch panel display 20 Train information display symbol 21 Aircraft information display symbol 22 Navigation information 23 Entertainment menu 24 Icon 25 Microphone 26 speakers 30 doors

Claims (13)

[Claims] 1. A liquid crystal display device is composed of two surfaces, a liquid crystal display panel for customers on the front side and a liquid crystal display panel for managers on the back side, and the front side liquid crystal display panel displays information required by the customer. The back side liquid crystal display panel displays information required by an administrator, a portable information terminal device. 2. The portable information terminal device according to claim 1, wherein at least one liquid crystal display panel of the liquid crystal display device is provided with a touch panel. 3. The portable information terminal device according to claim 1, wherein at least one liquid crystal display panel of the liquid crystal display device displays a menu for ordering a restaurant. 4. The portable information terminal device according to claim 1, wherein at least one liquid crystal display panel of the liquid crystal display device displays a payment amount and currency of a store. 5. The liquid crystal display panel of at least one of the liquid crystal display devices according to claim 1,
Lodging, hotel name, entertainment facility, train time, aircraft time,
A portable information terminal device characterized by displaying the time of the ship, the name of the country, and the design of the country. 6. The portable information terminal device according to claim 1, wherein at least one liquid crystal display panel of the liquid crystal display device displays a betting number. 7. The portable information terminal device according to claim 1, wherein at least one liquid crystal display panel of the liquid crystal display device displays a menu or a design for purchasing a ticket. 8. The portable information terminal device according to claim 1, wherein at least one liquid crystal display panel of the liquid crystal display device displays a household account book, a cooking menu, and a schedule. 9. A liquid crystal display device in which two liquid crystal display panels are installed back to back and displays on both sides, different information is displayed on the front and back surfaces of the liquid crystal display device, and information communication is carried out wirelessly with a portable information terminal device. An information terminal display device, which is equipped with a transmitter / receiver that operates. 10. The information terminal display device according to claim 9, wherein the liquid crystal display device is attached to a door of an apartment. 11. An information terminal display device according to claim 9, wherein the liquid crystal display device is attached to an airport, a station, or a boarding point. 12. An information terminal display device according to claim 11, wherein the liquid crystal display device is mounted in a vehicle. 13. A portable information terminal device according to claim 1, comprising a voice recognition function, a voice transmission function, and a language switching function.