JPH0215905B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a search device that searches for a desired image on an image recording medium by detecting a mark on the image recording medium such as a film on which the image and mark are recorded.

Conventionally, films used in search devices built into microfilm readers and the like are provided with counting marks on the side edges of each frame of the film. The frame is automatically searched.

The above search device illuminates the mark on the film with a lamp, detects the luminous flux from the mark with a mark sensor having a photoelectric conversion element as the film is moved, counts the output signal of the mark sensor with a counter, and counts the output signal of the mark sensor with a counter. A comparator circuit compares the counted contents of the device and the desired frame number entered from the keyboard, and when the two match, a stop signal is issued from the comparator circuit to the drive control circuit, which stops the drive for transporting the film and displays the desired frame number. The frames are held stationary at predetermined positions to be projected onto the screen.

However, with the desired image retrieval device configured in this way, there is no problem as long as the size of the mark on the film is constant, but since the shape of the mark is not standardized, the size of the mark on the film that is generally used is Available in various lengths. Therefore, when using a film on which two or more types of marks of different shapes are recorded, the retrieval device is equipped with multiple mark sensors, and these mark sensors are placed at predetermined intervals according to the size of the marks. The marks are sequentially detected by multiple mark sensors in an array, and the size of the mark is detected by combining the output signals of the multiple mark sensors.
If the mark size differs depending on the film, either adjust the interval between mark sensors or replace it with a designated unit from among the many mark detection device units consisting of multiple mark sensors to match the mark size. must be used with
This makes adjustment difficult and the search work very inconvenient, with the drawback that only an experienced person can find a given unit.

The present invention provides a search device that eliminates the above drawbacks.

The present invention will be explained below using specific examples shown in the drawings.

FIG. 1 shows various films used in the present invention. Film F ₁ has one type of small-sized mark m 1 on the side of each frame on which an image is recorded, the density of which differs from that of the periphery corresponding to each frame _. has this mark m ₁
is for searching images classified into small items for each frame. A mark _m10 of the same size as the mark _m1 recorded corresponding to the image is recorded between the first frame of the film F1 and the leading edge of the film (left side in FIG. ₁ ). The film F ₂ has one type of mark m ₂ of medium size larger than the mark m ₁ corresponding to each frame, and this mark m ₂ is used to search for images classified into small items. A mark _m20 of the same size as the mark _m2 recorded corresponding to the image is recorded between the first frame of the film _F2 and the leading edge of the film.

Film _F3 has two types of marks: large mark _m3 , which is larger than mark _m2 , and mark _m1 , which is small. Mark _m3 searches for images classified as medium items, and mark _m1 This is for searching images classified into small categories. For example, when recording automobile parts drawings etc. on film, the structure of the automobile is classified into several units, and a mark _M3 indicating the middle item is recorded on the side of the frame in which the exploded view of each unit is recorded. Next to the frame in which the exploded view of this unit is recorded, the component parts diagram, part number, price, etc. of this unit are recorded, and a mark _m1 indicating a small item is recorded on the side of each frame in which the parts diagram etc. are recorded.
When using this film, if you detect the mark _m3 , you can search for the frame that records the exploded view of the desired unit, and if you detect the mark _m1 , you can search for the frame that records the exploded view of the desired unit. You can search for frames that have been recorded. film
Between the first frame of F ₄ and the leading edge of the film, two types of marks m ₁ and m ₃ are recorded corresponding to the images, and marks m ₁₀ and m ₃₀ of the same size are recorded, respectively. Film _F4 has medium-sized marks _m3 as medium-sized marks, and small-sized marks _m2 medium-sized marks. Between the first frame of the film _F4 and the leading edge of the film, there are two types of marks recorded corresponding to the image: marks of the same size as _m2 and _m3 .
_m20 and _m30 were recorded respectively.

Film _F5 has the following types of marks: small size mark _m1 , medium size mark _m2 , and large mark _m3.Large mark _m3 searches for images classified into large items, and mark _m2 The mark m1 is used to search for images classified into medium items, and the mark _m1 is used to search for images classified into small items. For example, if parts diagrams of various automobiles are recorded on film, three types of marks can be selectively recorded on the sides of each frame so that the model of the automobile, exploded diagram of the unit, and component diagram can be searched. When using film, if mark m ₃ is detected, the configuration diagram of the desired car will be displayed, and if mark m ₂ is detected, the exploded diagram of the desired unit will be displayed.
If mark m ₁ is detected, desired parts diagrams and the like can be searched. Three types of marks m ₁ , m ₂ , m ₃ recorded corresponding to the image and marks m ₁₀ , m ₂₀ , m ₃₀ of the same size are recorded between the leading edge of the film F ₅ and the leading edge of the film, respectively. has been done.

The present invention provides a search device that can easily search for images classified by item using any of the above-mentioned films.

In the above embodiment, when there are two types of marks on the film, the larger mark is classified as a medium item and the smaller mark as a small item, but this may be reversed, and the size and classification of the mark are classified. Items can be matched arbitrarily.

FIG. 2 shows a film reader to which the present invention is applied. In the drawing, 1 is a removable cartridge that stores a long film in the form of a roll, 2 is a guide roller, 3 is a film guide plate,
4 is a lamp for illuminating the film; 5 is a condensing lens; 6 and 7 are glass plates placed opposite each other across the film transport path; 8 is a capstan roller; 9 is a pinch roller; 10 is a take-up reel; 11 is a This is a film feed roller. The cartridge 1 and take-up reel 10 are connected to a film tensioning and winding motor, and the capstan roller 8 and delivery roller 11 are connected to a film drive motor.
The film F in the cartridge 1 is sent out by the feed roller 11, and after being wound around the take-up reel, the film F is stretched between the cartridge 1 and the take-up reel 10 and wound onto the take-up reel by the capstan roller 8. or rewound into the cartridge 1. 16 is a mark detection device, 17 is a projection lens, and 18 is a screen.

The film F is illuminated between the glass plates 6 and 7 by light from the lamp 4, and the image of the illuminated frame is enlarged and projected onto the screen 18 by the lens 17.

The mark detection device 16 has four mark sensors, and each mark sensor has a light guide member 20, 21, 2 made of an optical fiber bundle as shown in FIG.
2, 23, and a light receiving element 25 consisting of a photoelectric conversion element.
26, 27, and 28, respectively.
One end of each light guide member 20 to 23 is disposed opposite to the mark movement path of the film F and spaced apart by a predetermined distance in the film movement direction, and the other end is arranged to receive light from the light receiving elements 25 to 28. The light receiving elements 25 to 28 sequentially detect optical signals from the marks. As shown in FIGS. 5A, B, and C, the distance between the end surfaces of the light guide members 21 and 23 facing the film transport path in the film transport direction is equal to the image m ₃ of the large-sized mark m ₃ shown in FIG. 1. ′ and longer than the image m ₂ ′ of the medium-sized mark m ₂ . The distance between the end faces of the light guide members 20 and 23 facing the film movement path in the film transport direction is slightly longer than the length of the image m ₃ ' of the large mark m ₃ shown in FIG. The distance in the film transport direction between the end faces facing the film transport path of 21 and 22 is slightly shorter than the length of the image m ₂ ' of the medium-sized mark m ₂ shown in _FIG . image
m ₁ ', and the light guide members 20 and 2
The interval in the film transport direction between the end faces facing the film transport path of No. 1 is set and arranged to be longer than the length of the image m ₁ ' of the small-sized mark m ₁ . Therefore, if the marks m ₁ , m ₂ , m ₃ are opaque, the light incident on one end of the light guide member 21 will be reflected by the small mark m ₁
When blocked by the other light guide member 20,
Light enters the light guide members 21 and 22 and 23, and
When the light incident on the light guide member 22 is blocked by the medium mark _m2 , the light enters the other light guide members 20 and 23, and the light incident on the light guide members 21 to 23 is blocked by the large mark _m3 . When the light guide member 20 is blocked, light enters the other light guide members 20. If the mark is transparent, the above is the opposite. For convenience of explanation, the following description assumes that the marks on the film are opaque.

FIG. 4 shows a search circuit for searching for a desired image using the film shown in FIG. Reference numerals 34 to 37 are amplifiers that amplify the output signals of the light receiving elements 25 to 28, and when the light receiving elements detect an optical signal from the mark (when the light entering the light receiving element is blocked by the mark), the output signal becomes "0". " mark detection signal is output. V ₁ to _{V 6} are inverters,
A ₁ to _{A 23} are AND gates, R ₁ and R ₂ are OR gates,
40-43 are flip-flop circuits, 45-47
is an addition/subtraction counter, 50 to 52 are registers, 55
~57 is a comparison circuit, 60 is an input device for inputting a search number, 61~63 are register selection switches,
65 is the counter 45, 46 and the capstan roller 8
and a control circuit that controls a forward/reverse motor 66 that drives the feed roller 11 and a motor (not shown) that drives the cartridge 1 and take-up reel 10;
70 is a timer.

The light receiving element 25 is provided to stop the film frame at a fixed position regardless of the size of the mark, and may be omitted if there is no need to accurately regulate the stopping position. Other light receiving elements 26, 2
7 and 28 are for detecting the size of the mark.

AND gates _A1 to _A3 output signals corresponding to the mark size. That is, when the light-receiving element 25 is not outputting a mark detection signal, the light-receiving element 26 outputs a mark detection signal, and the light-receiving elements 27 and 28 do not output mark detection signals at the same time, the AND gate _A1 is activated. The AND gate A ₁ outputs a small mark detection signal indicating that a small mark m ₁ has been detected. This signal sets the flip-flop circuit 40,
The flip-flop circuit 40 stores the presence of the small mark _m1 on the film being used.

Further, when the light receiving element 25 is in a state where it is not outputting a mark detection signal, the light receiving elements 26 and 27 simultaneously output a mark detection signal, and the light receiving element 2
8 does not output a mark detection signal, AND gate A ₂ opens, and AND gate A ₂ outputs a medium mark detection signal indicating that a medium-sized mark m ₂ has been detected. The flip-flop circuit 41 is set by this signal, and the flip-flop circuit 41 is set.
remembers that the medium mark _m2 was present on the film being used.

Further, when the light receiving element 25 is not outputting a mark detection signal, the light receiving elements 26, 2
When marks 7 and 28 simultaneously output mark detection signals, AND gate A ₃ opens, and AND gate A ₃ outputs a large mark detection signal indicating that a large size mark m ₃ has been detected. This signal sets the flip-flop circuit 42, and the flip-flop circuit 42 stores the presence of the large mark _m3 on the film being used.

Reset input terminals R of flip-flop circuits 40-42 are connected to signal line C, and when a reset signal of "1" is sent to signal line C, each flip-flop circuit 40-42 is reset. This reset signal is generated when the power switch is turned on or when the reset switch of the input device 60 is turned on.

On the other hand, the signals output from each AND gate A ₁ , A ₂ , A ₃ are sent to the first counter 45 via an AND gate A ₂₄ or A ₁₅ as a count signal classified into small items through an OR gate R ₁ .

AND gates _A4 - _A13 are controlled by the storage state of each flip-flop circuit 40-42. AND gate _A4 is configured such that the flip-flop circuit 40 stores the small mark, the flip-flop circuit 41 stores the medium mark, and the flip-flop circuit 42 stores the medium mark.
Opens when the large mark is not memorized. Similarly, AND gate A ₅ is opened when the medium mark and large mark are stored, but no small mark is stored, and AND gate A ₆ is opened when the small mark and large mark are stored, and the medium mark is stored. AND gates A ₆ and A ₇ open when the small mark, medium mark, and large mark are memorized. AND gates A ₉ to _{A 13} are used to obtain count signals classified into medium or higher categories when marks of at least two sizes are stored on the film, and are used for storage means consisting of flip-flop circuits 40 to 42. Mark detection signals corresponding to mark sizes are classified into medium items and large items according to the storage state.

If there are marks of two or more sizes on the film, one of AND gates A ₉ to A ₁₂ is selectively opened when the second largest size mark is detected, and at this time, these AND gates are The signal output from the gate passes through OR gate R ₂ as a count signal classified into medium items, and then passes through AND gate
It is sent to the second counter 46 via _A16 or _A17 .

When marks of three different sizes exist on the film, AND gate A ₁₃ opens when the third largest size mark is detected, and the signal output from AND gate A ₁₃ at this time is classified into large items. And gate A ₁₈ or
It is sent to the third counter 47 through _A19 .

A signal indicating the film feeding direction is input to the signal line d, and in this embodiment, a signal of "0" is input when the film is being fed from the cartridge 1 to the take-up reel 10 (hereinafter referred to as forward feeding). However, when feeding from the take-up reel 10 to the cartridge 1 (hereinafter referred to as reverse feeding), a signal of "1" is input.

One of the AND gates A ₁₄ and A ₁₅ is selectively opened depending on the film transport direction, and the counting signal sent from the OR gate R ₁ passes through the AND gate A ₁₄ when the film is being transported forward. The number is sent to the first counter 45 for addition and counting, and when the film is being fed backwards, it is sent to the first counter 45 for subtraction and counting through the AND gate _A15 . Therefore, the first counter 45 adds or subtracts the count signals classified into small items depending on the film transport direction.

One of the AND gates A ₁₆ and A ₁₇ is selectively opened depending on the film transport direction, and the counting signal sent from the OR gate R ₂ passes through the AND gate A ₁₆ when the film is being transported forward. It is sent to a second counter 46 for addition and counting, and when the film is being fed backwards, it is sent to a second counter 46 for subtraction and counting through an AND gate _A17 . Therefore, the second counter 46 adds or subtracts the count signals classified into medium items depending on the film transport direction. Also, one of the AND gates A ₁₈ and A ₁₉ is selectively opened depending on the film transport direction, and the counting signal sent from the AND gate A ₁₃ is activated when the film is being transported forward _.
The data is sent to the third counter 47 for addition and counting, and when the film is being fed backwards, the data is sent to the third counter 47 for subtraction and counting through the AND gate _A19 . Therefore, the third counter 47 adds or subtracts the count signals classified into major categories depending on the film transport direction.

A signal indicating the film feeding direction sent to the signal line d can be generated by detecting the rotational direction of the motor 66. This signal indicating the film feeding direction can also be generated by other methods.

The input device 60 has numeric keys for inputting the search number of a desired image and other command keys, and when inputting the search number, register selection switches 61 to 6 are used.
Close 3 and operate the number keys. Input device 60
When entering a search number, first press switch 63.
When the user closes the key and inputs the search number for the large item, the search number for the large item passes through the AND gate _A22 and is stored in the third register 52. Next, switch 6
3 is opened, the switch 62 is closed, and the search number for the middle item is input, and the search number for the middle item passes through the AND gate A ₂₁ and is stored in the second register 51. Next, open the switch 62, close the switch 61, and enter the search number for the small item.
The search number for this sub-item passes through AND gate A ₂₀ and is stored in first register 50 . When using a film with marks of three different sizes, the desired search numbers are stored in the first, second, and third registers 50 to 52, respectively, and when using a film with marks of two different sizes, Desired search numbers are stored in the first and second registers 50 and 51, respectively, and when using film with marks of one type of size, the first register 50
Only the desired search number is stored.

The first comparison circuit 55 compares the search number stored in the first register 50 and the count value of the first counter 45, and outputs a match signal when the two match.
The second comparison circuit 56 compares the search number stored in the second register 51 and the count value of the second counter 46, and outputs a match signal when the two match. The third comparison circuit 57 compares the count value of the third register 52 and the third counter 47, and outputs a match signal when the two match.

The control circuit 65 is an input device and registers 50 to 5.
2 and comparison circuits 55 to 57, and outputs signals for controlling the first and second counters 45, 46, motor 66, etc. in accordance with the input signals. When the control circuit 65 receives a signal from the third register indicating that the search number has been input to the third register 52, the control circuit 65 sends a signal to the first and second counters 45 and 46 to inhibit counting operations. After that, when a match signal is received from the third comparison circuit 557, a signal is sent to the second counter 46 to cancel the counting inhibition of the second counter 46. Further, the control circuit 65
When the second register 51 receives a signal indicating that a search number has been input into the second register 51, the first counter 45 generates a signal that inhibits the counting operation of the first counter 45.
After that, when a match signal is received from the second comparison circuit 56, a signal is sent to the first counter 45 to cancel the counting prohibition of the first counter 45. Furthermore, when the control circuit 65 receives a search start command signal from the input device 60, it sends a signal to the motor 66 to rotate the motor 66 in a predetermined direction, and the first comparison circuit 55
When a matching signal is received from the motor 66, a signal is output to stop the motor 66 and to activate a brake device (not shown) for controlling the rotation of the film feeding roller.

Timer 70 moves the leading edge of the film to cartridge 1.
It operates for a set time when feeding from the winding reel to the take-up reel 10, and after the set time has elapsed, the first, second, and third counters 45 to 47 are reset by a signal output from the timer. That is, when the flip-flop circuit 43 is in the reset state, when the search start command key of the input device 60 is operated to command a search start, a motor drive signal is output from the control circuit 65, the motor 66 is driven, and the AND gate A ₂₃ is opened. , the timer 70 is activated by the output signal of the AND gate _A23 . The leading end of the film is fed out from the cartridge 1 by the drive of the motor 66, and the film is transferred to the take-up reel 10.
sent to. A mark recorded between the first frame of the film and the leading edge of the film is detected by the mark detection device 1.
After passing the detection position 6, the timer 70 starts before the mark on the side of the first frame reaches the detection position.
A signal is output from the counter 45 to
47 is reset. Furthermore, the flip-flop circuit 43 is set by the output signal from the timer 70. Note that while the timer 70 is in operation, the counting operation of each of the counters 45 to 47 may be prohibited.

The means for resetting the counter after detecting the mark on the leading edge of the film is not limited to a timer, but may also be a length measuring means that issues a reset signal after the leading edge of the film has been fed a predetermined length.

Next, the operation of the above device will be explained. Now, a case will be described in which the cartridge containing the film _F3 shown in FIG. 1 is used to search for a desired image in this film. Let A be the search number for the middle item of the desired image, and B be the search number for the small item. The user first presses the register selection switch 62.
close and enter the search number A into the input device 60,
Next, when the switch 62 is opened and the switch 61 is closed to input the search number B into the input device 60, the search number A is stored in the second register 51 and the search number B is stored in the first register 50. Before starting the search, flip-flop circuits 40 to 43
It is assumed that the counter has been reset and the count contents of each of the counters 45 to 47 have been erased. After inputting the search number, when the search start command key of the input device 60 is operated (see Fig. 7a), a motor drive signal is output from the control circuit 65, the motor 66 is driven in the forward direction, and the AND gate A ₂₃ is opened. The timer 70 is activated (see FIG. 7b). The feed roller 11 and the capstan roller 8 are rotated by the drive of the motor 66, whereby the film _F3 is fed out from the cartridge 1, passes between the lamp 4 and the lens 17, is fed to the take-up reel 10, and is wound. It is automatically wound onto the take-up reel. Mark the detection position of the mark detection device 16 by starting to feed the film _F3
m ₃₀ and m ₁₀ pass in this order.

First, when the light receiving elements 26, 27 and 28 among the four light receiving elements 25 to 28 simultaneously output mark detection signals, that is, when the light entering the light receiving elements 26, 27 and 28 is blocked by the large mark _m30 , the AND The gate _A3 is opened (see FIG. 7d), and the flip-flop circuit 42 is set by the large mark detection signal _d1 output from the AND gate _A3 (see FIG. 7g). Next, when only the light-receiving element 26 outputs a mark detection signal, that is, when the light entering the light-receiving element 26 is blocked by the small mark _m1 , the AND gate _A1 opens (Fig. 7e), and from the AND gate _A1 The flip-flop circuit 40 is set by the output small mark detection signal _e1 . (Fig. 7f).

After the marks m ₃₀ and m ₁₀ provided at the leading edge of the film pass the detection position of the mark detection device 16, the timer 60 malfunctions before the mark m ₃ provided on the side of the first image frame reaches the detection position. The counter 45 is activated and the output signal of the timer 60 falls.
-47 are reset. The flip-flop circuit 43 is set by the rise of the output signal of the timer 70 (FIG. 7c). After resetting the counters 45 to 47, when the large mark _M3 provided on the side of the first frame on the film passes the detection position of the mark detection device 16, the AND gate _A3 opens (FIG. 7d). Large mark detection signal from AND gate A ₃
Output d ₂ . When AND gate A ₃ outputs a large mark detection signal, AND gate A ₁₁ opens, and large mark detection signal d ₂ is sent to AND gate A ₁₆ through OR gate R ₂ as a count signal classified into medium items. At this time, since the film is being fed forward, the AND gate A ₁₆ is opened, and the count signal d ₂ classified into the medium category is added and counted by the second counter 46 .

On the other hand, the small mark detection signal output from AND gate A ₁ and the large mark detection signal output from AND gate A ₃ pass through OR gate R ₁ as counting signals classified into small items, and then pass through AND gate A ₁₄ to the first counting signal. 45, but the second register 5
Since the search number has been input to 1, the control circuit 65 has sent a count prohibition signal to the first counter 45, and the first counter 45 does not perform a counting operation. As described above, the second counter 46 performs a counting operation every time the mark detection device detects a large mark. As the film advances, the count value of the second counter 46 increases, and when the search number A in the second register 51 and the count value of the second counter 46 match, a match signal is output from the second comparison circuit 56. As a result, the control circuit 65 outputs a signal to cancel the counting prohibition, and this signal cancels the counting prohibition of the first counter 45. Second comparison circuit 56
After outputting a coincidence signal from , the film F ₃ is further fed forward, and the small mark detection signal output from AND gate A ₁ passes through OR gate R ₁ , passes through AND gate A ₁₄ , and is added and counted by first counter 45 . Ru. From then on, every time the mark detection device detects a small mark, the first counter 45 performs a counting operation, and when the search number B in the first register 50 and the count value of the first counter 45 match, a signal is sent from the first comparison circuit 55. A match signal is output, and a stop signal is output from the control circuit 65. This signal causes the motor 66 to immediately stop, the film _F3 stops, and the retrieval operation is completed. When the film _F3 stops, the image classified into the desired sub-item is placed at a predetermined position between the lamp 4 and the projection lens 17, and the image can be observed on the screen 18 at the same time as the search is completed.

Note that in the above embodiment, the second comparison circuit 56
Since the mark detection device does not detect a large mark between when a match signal is output from the first comparison circuit 55 and when a match signal is output from the first comparison circuit 55, only AND gate _A1 is opened during this time, and only AND gate _A3 is opened. do not have. Therefore, the output terminal of AND gate A ₃ is connected to AND gate A ₁₄ through OR gate R ₁ , but the first counter 45 substantially only receives the small mark detection signal, that is, the count signal classified into small items. It will be counted.

As shown in FIG. 6 _, the AND gate _{A 30 is} provided between the OR gate R ₁ and the AND gates A ₁₄ and _{A 15} . The output terminal may be connected via a NOR gate NR.

In addition, when observing all images classified into a desired medium item, it is sufficient to enter the search number of the desired medium item in the second register 51, but do not input the search number in the first register 50. . In this case, after searching for the image of the desired medium item (the first image of the group of images of the desired medium item is searched),
By feeding the film one frame at a time, all images classified into desired categories can be viewed one after another on the screen.

Next, when searching for a new image in this film, operate the input device 60 and switches 61, 62 to enter the search number of the middle item and the search number of the small item of the desired image into the second and first registers 51. , 50, it is possible to search for a desired image without having to once rewind the film.

According to the above embodiment, the small mark m ₁ , medium mark m ₂ and large mark m ₃ shown in FIG. 1 representing classification items
Images classified into up to three categories can be searched for each desired category by using a film with three types of marks.

The present invention uses a recording sheet having count marks of a plurality of sizes, and allows images classified into a plurality of categories corresponding to the types of count marks to be searched by specifying an arbitrary category.

Note that, if there are many sizes of marks, as many mark sensors as can be used to discriminate the mark sizes should be provided.

Image recording media is not limited to roll film.
A sheet such as a microfissure can be used.

As described above, according to the present invention, even if the size of the mark differs depending on the image recording medium, it is possible to automatically search for an image classified into a desired item. There is no need to adjust mark sensors or replace mark detection devices according to image recording media of different sizes, and anyone can easily perform search operations even if they are not skilled in search operations.

[Brief explanation of drawings]

Fig. 1 is a front view showing one embodiment of a film applied to the present invention, Fig. 2 is a configuration diagram of a film reader to which the invention is applied, Fig. 3 is a perspective view of a mark detection device, and Fig. 4 is a search A block diagram of the circuit; FIGS. 5A, B, and C are diagrams explaining the relationship between the light guide member and the mark image; FIG. 6 is a block diagram showing another embodiment of the search circuit; FIG. FIG. 3 is a diagram showing an output signal waveform of the circuit. 25, 26, 27, 28... light receiving element, 40,
41, 42...Flip-flop circuit, 45,
46, 47...Counter, _A1 to _A23 ...And gate.

Claims (1)

[Claims] 1. In a device that detects marks provided corresponding to each image on an image recording medium and performs a search by performing different counts depending on the type of mark, the leading edge of the image recording medium is Marks of various sizes are provided, a determining means for determining the classification of the mark indicated by the size of the mark at the tip thereof, an input means for inputting position information corresponding to a desired classification of the image, and an image recording medium. a counting means for counting the marks provided on each image by category based on the classification determined by the discriminating means, and a counting means corresponding to the positional information inputted to the input means and the classification of this positional information. A retrieval device comprising a means for comparing the count value of and stopping the image recording medium based on a match.