JPS58115581A - Information retrieving device - Google Patents

Abstract

PURPOSE:To improve the operativity, by switching display contents of a number display to the frame number of a projected frame or an item number only by turning on and off of a retrieval switch. CONSTITUTION:A frame mark detector 67 detects a frame mark MK which is provided for each frame of a microfilm having many frames where information is recorded. Frame marks MK detected by the detector 67 are counted by a frame counter 101, and item marks MC detected by the detector 67 are counted by an item counter 102. When the frame retrieval mode is selected by counters 101 and 102, a number display 27, and a retrieval mode selecting device 28, the counted value of the counter 101 is displayed on a number display 103; and when the item retrieval mode is selected, the counted value of the counter 102 is displayed on the number display 103.

Description

DETAILED DESCRIPTION OF THE INVENTION This invention provides a frame mark provided corresponding to each frame of a microfilm having a large number of frames recording information and a predetermined frame for each object group recording one piece of information. The present invention relates to an information retrieval device such as a reader/printer that searches for a desired information item or a group of information items by counting the number and item marks.

Such an information retrieval device uses, for example, a negative or positive microfilm as shown in FIG. 1 [2].

This microfilm 1 has a starting end leader tape 1a hooked on a take-up reel (not shown) and a terminal end leader tape 1b hooked on a reel in the cartridge. A mark Ms (which becomes a reset mark when returning) and an end mark ME are attached.

A large number of informational K's are provided on the film 1 between the two marks, in which information is photographed and recorded at a certain Hl, and frame marks MK are arranged in a row corresponding to each piece of information, and information for one item is recorded. KG (A1-A in Figure 1)
3. An issue mark Mc is provided corresponding to each leading piece of Bt-J33°C1 to C4).

Then, the information retrieval device detects the dog mark MK and 1 cow mark Mc on the microfilm 1, and selects a search mode between a piece search based on the number of each piece and an item search based on the number of each piece group. You can choose to do it depending on your means.

In any mode, in addition to manually searching using the manual dial, you can move forward and backward by one piece, forward and return one item, and set the piece number in advance in piece search mode and the item number in item search mode using the numeric keypad. It is now possible to search automatically.

However, in the conventional information retrieval device of this kind, there was only one counter as a mark counting means, so when switching from piece search to item search using the search mode selection means, the item search of the piece currently being projected is If you do not preset the number to the counter, you cannot perform a piece search, and conversely, if you switch from item search to piece search (-, there is the inconvenience that you cannot perform a piece search unless you preset the piece number of the piece being projected at that time to the counter. Ta.

An object of the present invention is to eliminate the inconveniences in conventional information retrieval devices, and to enable a piece search or item search to be performed immediately without the need to preset the piece number or item number when switching the search mode. do.

Therefore, the information retrieval device according to the present invention separately provides a first counting means for counting piece marks and a second counting means for counting subject marks, and the information retrieval device according to the first invention (
2, depending on the search mode selected by the search mode selection means, the count value of each counting means, that is, the piece number or the item number, is switched to the numerical display 5, so that at least manual piece retrieval is possible. Or, you can search for the item immediately.

Further, in the second invention, the first or second search mode is selected according to the search mode selected by the search mode selection means.
A search control means is provided which compares the counted value of the counting means with the stored contents of the register storing the number to be searched, moves and stops the microfilm so that the comparison contents match, and searches for a frame of desired information. By entering the number or case number in the register, automatic searching can be performed immediately.

The present invention will now be described in detail with reference to the accompanying drawings.

Fig. 2 shows the external appearance of the main body of the reader printer, which is an information retrieval device based on this invention, in which 2 is a screen, 6 is a film drive unit for searching microfilm, 4 is an operation panel, and 5 is a copy tray. .

The operation panel 4 is provided with various switches, keys, dials, lamps, etc., as shown in FIG.

7 is a power switch to turn on and off the power of the entire machine, 8 is a print switch to perform copying operations, 9 is a paper end lamp that lights up when the photosensitive paper becomes thin, and 10.11 is the size of the copy. 12 is a toner lamp that lights up when the toner runs out, and 16 is a solvent lamp that lights up when the solvent runs out.

14 is a +1 frame key for advancing one frame of microfilm, 15 is an 11 frame key for returning one frame, 16 is a search key which is a search command key to issue a search command signal, and 17 is a key to stop film movement. A stop key 18 is used to stop the copying operation, and a clear key 18 is used to clear the numbers displayed on the number display 27.

20 is a numeric keypad for entering the frame number or item number of the information you wish to search into a register (storage means) of the internal RAM of the microcomputer, which will be described later; 21 is a rewind key for rewinding the film; 22 is a key for rewinding the film. The +1 item key is used to advance the film by one item, the 11 item key is used to return the film by one item, and the manual dial 24 is used to manually advance and return the film.

25 is the copy number dial (1
This dial does not work at the moment.

27 is a numeric display consisting of a 4H 7-segment LED, and displays the set value stored in the register C2 mentioned above or the $1. The count value of the piece counter or piece counter as the second counting means is displayed.

Reference numeral 28 denotes a search mode selection means, which selects the piece search mode when turned off and selects the piece search mode when turned on.

Reference numeral 29 denotes a copy switch, which is turned on to turn on the print switch 8 when making a copy.

Next, a mechanism for projecting film and making copies by this reader printer will be explained with reference to FIG.

The information frame of the microfilm 1 held on the film guide 61 by the pressure plate 62 is irradiated with light C2 from the lamp 64 that passes through the condenser lens 65, passes through the projection lens 66, and is reflected by the first mirror 67. Second
It is projected onto the screen 2 from the mirror 68. This is,
The normal microfilm 1 is in a state of being occupied and being projected.

Now, if the print switch 8 shown in FIG. Move to the position indicated by the imaginary line. After moving, Mirror Clara and P41 are turned off. During this time, the rolled photosensitive paper 40 is started, cut into a certain length by a cutter 46, charged by a charging section 44, and reaches an exposure surface 46 on a vacuum belt 45.

Furthermore, when the print switch 8 is pressed, the lamp 64 that was irradiating the microfilm 1 at this point is turned off. Then, when the photosensitive paper 40 reaches the exposure surface 46, it is temporarily stopped, and the lamp 64 is turned on again to perform static Ik and fog light.

When the exposure for a certain period of time is completed, the lamp 64 is turned off, and the photosensitive paper 4o moves again toward the developing section 47. The photosensitive paper 4o that has entered the developing section 47 is developed with a developing solution, dried in a drying section 48, and then conveyed to the copy receiver 5. Furthermore, when the exposure is completed, the mirror clutch 41 is turned on.
The second mirror 38 also returns to its original position.

49 is a reflecting plate that reflects the light emitted from the lamp 64 toward the condenser lens 65.

Next, the film drive unit will be explained with reference to FIG.

One microfilm 1 is placed on the roll 51 in the cassette 50.
There has been one war. Set the cassette 5o and press the search key 16. +1 piece key 14° +1 item key 2
2. By operating the manual dial 24 in the feeding direction, the solenoid 52 is turned on, the thread roller 53 moves toward the film surface, and at the same time the drive motor 54 rotates.

The drive motor 54 rotates at low and medium speeds.

There are three speed levels.

In the above case, the film is fed at medium speed. The film 1 scraped out of the cassette 50 by the thread roller 56 enters between the drive roller 55 and the press roller 56. When the film 1 is caught between the rollers 55 and 56, the switch 57 is turned on.

When this switch 57 is turned on, the solenoid 52 is turned off, and the film feeding force is applied from the drive roller 55. Then, the film 1 passes through the film gate 58 and is wound around the reel 59. 60 is a film holding arm.

Then, when the start mark is read by the mark detector described later, it will move from medium to high speed (search key when searching for pieces after the 20th frame) or low speed (+1 piece key, +1 item key, pieces within 19 pieces). (search key when searching). After that, when the mark detector detects a predetermined piece mark or item mark (during automatic search, when the count value of the counter that counts the piece mark or item mark matches the number value stored in the register), the film is 1 is stopped, and the lamp 64 lights up to project the stopped piece.

The mark detection section is constructed as shown in FIG.

Then, the frame mark MK and the subject mark Mc on the microfilm 1 illuminated by the light of the lamp 34 are exposed to the mirror 61.6.
2, is magnified (doubled) by lenses 63 and 64, is reflected by mirrors 65 and 66, and reaches a piece mark detector 67 and a piece mark detector 68. Note that the information on that piece is projected onto the screen 2 in FIG. 4 through a projection lens 66.

As shown in FIG. 7, the piece mark detector 67 is
, A2. Equipped with Bl, B2, and mark detector 68
is sensor A3. It is equipped with Ba. Each sensor is specifically a photodiode.

Sensor A1 of the piece mark detector 67. B1 produces a signal for counting piece marks, and sensors A2, B2 and A1
．． B1 produces a start mark signal, an end mark signal, and a reset mark signal (when the microfilm is fed in the return direction and a start mark is detected). Sensors A3 and B3 of the subject mark detector 68 produce a subject mark signal.

Incidentally, the microfilm 1 shown in FIG. 1 is used.

FIG. 8 shows a film drive circuit and its manual signals and output signals, and the microfilm 1 is controlled by the drive speed and feed direction of the drive motor 54 (Ml) in FIG. 5 by the output signals of the film drive circuit 70. The on/off of the solenoid 52 is controlled and sent.

Table 1 shows the relationship between the human input signal of the film drive circuit 7o and the film advancing direction and speed.

Table 1 Figure 8 The manual signals in Table 1 above are as follows.

GO: High speed signal 8□i T D: Medium speed signal D
OWN: Low speed signal EW; Return signal MSTP:
When using the manual dial, when using C, the signal to turn on the tick motor SW double signal Switch 'f57 on/off signal MDS:
A signal that changes the rotational speed of the motor 54 according to the position of the manual dial when the manual dial is moved.

Note that the direction signal DS in the output signal is "1" in the forward direction and "0" in the return direction.

FIG. 9 shows the print control circuit.

When the print switch 8 shown in FIG. 6 is turned on by this print control circuit 8o, the motor 81 (M2) for transporting the photosensitive paper is started, and each part shown in FIG. 4 described above is operated to perform the search. A copy of the information is made and discharged to the copy receiver 5.

In addition, mirror crack y-OFF signal, U/B ON signal,
The reprint signal is a signal that is manually input from the search control circuit shown in FIG. 10, which will be described later, at the time of copying. Instead of being operated, it is done manually.

FIG. 10 is a diagram showing the relationship between the search control circuit, which is the search control means used in this embodiment, and its human output signal.

The search control circuit 90 uses a one-chip microcomputer having a central processing unit (CUP), a ROM as a program memory, and an I(AM) as a data memory.

FIG. 11 shows the RAM in this search control circuit 90.
100 maps are shown, in which (=・direction counter 101
．． Note Kakunta 102. and display register 103 are allocated.

The on/off signals from each operation key or switch of the operation panel 4 shown in FIG. 6 (= shown in FIG. 91
is a switch that is turned on when the manual dial 24 shown in FIG. 6 is rotated.

Further, from the film drive circuit 70 shown in FIG. 8, a direction signal DS indicating the feeding direction of the microfilm and an on/off signal (S-■ signal) of the switch 57 indicating whether or not the microfilm is loaded are input. be done.

Furthermore, from the print control circuit 80 in FIG.
A paper stop signal PST, which is output when the photosensitive paper stops on the exposure surface, and a print signal P, which is output when the print switch is turned on, are input.

However, the print signal P is manually inputted via an AND gate 92 that performs an AND operation with the output of the copy switch 29 so that the print signal P is manually input only when the copy switch 29 is on.

Also, the sensors At, Bl, A2 . of the piece mark detector 67 shown in FIG. B2 and mark detector 68
sensor A3. The output signals of B3 are inputted to each @forming circuit 9B to distinguish each mark, and the start mark signal, end mark signal, and reset mark signal (start mark when the microfilm is sent in the return direction) Detection signal), piece mark signal, and subject mark signal are outputted and input manually to the search control circuit 90.

Then, the piece mark signal is l (AMloo piece counter 1
01 and the subject mark signal is counted by the subject counter 102 (2).

From the output port, the film drive circuit 70 shown in FIG.
The outputs related to each film drive are MID (medium speed), 00 (high speed), and DOWN (low speed).

[EW (return), MSTP (motor stopped during manual)
output each signal.

Also, the mirror clutch OFF signal and lamp ON signal to the print control circuit 80 in Figure 9.

Outputs a reprint signal.

In addition, piece number data is available in the piece search mode, and item number data (piece counter 10 in the RAM 100) is available in the piece search mode.
1 or the count value by the counter 102 or the search ticket number value stored in the display register), decoded by the 7-segment decoder 94, and displayed on the 4-digit numerical display 27 by the 7-segment LED. In this case, each digit of the numeric display 27 is sequentially and dynamically displayed by the switching signal 8c.

Next, the portions related to the present invention during the operation of the search control circuit shown in FIG. 10 will be explained with reference to the operational flowcharts shown in FIGS. 12 to 20.

FIG. 12 shows an outline of the main routine, and when the power switch 7 in FIG. 6 is turned on, the routine starts from the start.

First, check whether the item search switch 28 is on or not. If it is off (N), it is the piece search mode, so set the flag F2 to "0" and check whether the flag F1 is III. Then, put the count value of the piece counter in the display register, set the flag Fl to lII, and go to check the numeric keypad. After that, the flag F l is "1"
Since it is ``l2'', checking ``1'' l = 1 will result in YES, so the subsequent processing will go to checking the numeric keypad instead of using the bamboo.

The frame number is displayed on the display 27 by inputting the count value of the frame counter into the display register.

If the item search switch is checked (Y), it is in item search mode, so set flag F1 to 0'' and flag F2 to 1.
”, and if NO, enter the count value of the count counter in the display register, set flag F2 to “1”, and proceed to check the numeric keypad. After that, flag F2 is set to l.
”, so if you check F2=1 it will be YES, so go to check the numeric keypad without doing any further processing.

By inputting the count value of the case counter into the display register, the second case number is displayed on the display 27C.

Next, check whether the numeric keypad is being operated or not.
If YES, go to the number setting routine shown in FIG. 16, input the numerical values entered in the display register using the numeric keypad 20 one after another, display the numerical values on the display 27, and return to step (3).

If the numeric keypad is not operated, then +1 piece key 14
．． -1 piece key 15. +1 item key 22. -1 item key 26.
It is checked whether any of the search keys 16 and 16 are operated, and if any of the keys is turned on, the +1 piece routine, -1 piece routine,
+ 1 routine.

-Proceed to either the one-item routine or the search routine; if any key is off, proceed to the manual routine.

In the manual routine, press the manual dial 24 in Figure 3.
By rotating the microfilm left and right, the microfilm can be moved in the forwarding direction or the backward direction at a speed corresponding to the rotation angle to search for a desired piece.

At this time, the piece number is displayed on the display 27 in the piece search mode when the piece search switch 28 is off, and the piece number is displayed on the display 27 when it is on, so you can manually search for pieces or search for pieces. Any desired selection can be made immediately by simply turning on/off the search switch 28.

Next, if the search key 16 is operated, the process goes to the search routine shown in FIG.

First, check whether the search switch is turned on, and if NO, go to the piece search routine, YES.
If S, the routine proceeds to a search routine.

In the routine for searching for pieces, the count value NK of the piece counter is compared with the stored content of the display register (piece number to be searched) NR, and when NK<NR, the high speed signal GO is set to 1'', and the
When K>NR, high-speed signal GO and return signal FLEW are
Set it to 1”.

Then, the difference between the contents of the piece counter and the display register INK-
Check whether the NRI is 19 or less, and if it is not 19 or less, move the microfilm at high speed in the forward direction or return direction, and if it is 19 or less, set the low speed signal DOWN to 1.
Then move the microfilm at low speed in the forwarding or returning direction.

Next, check whether the return signal 1 (EW is 1"),
``If not, go to the +1 routine in Figure 19; if 1'', go to the 11 routine in Figure 20 - line This +1 routine or -.
In routine 1, when no piece mark is detected, flag F is set.
Set L to 1″ and continue moving the microfilm.
When a frame mark is detected, the frame counter is increased by 1 (when advancing the film) or -l (when the film is returned), and when the subject mark is also detected, the 1 cow kakunta is also increased by 1 or -1 and the flag P is set.
Set L to °°0''. Next, check the search key, and since it is on, go to YES and return.

Next, when the contents of the frame counter and the display register match ()0, DOWN, and when the film is returned, RF2W is also set to all 0'' to stop the movement of the microfilm.

In the case search routine, except for comparing the count value of the case counter instead of the piece counter and the contents of the display register, checking whether the difference is less than 19α, and checking whether the two match, the steps are as described above. This routine is similar to the routine for searching for pieces.

Now, suppose that the frame AI of microfilm 1 in Figure 1 is being projected, and the frame number of this @A1 is ``00'', the frame number you want to search entered in the display register is ``105'', and the frame Using the case of searching as an example, the operation of the haster routine is explained as follows.

Since the count value NK of the piece counter is [100] and the content NR of the display register is [105J, YES is obtained by checking NK<NR, and the high speed signal GO is set to 1+1.
l Since 100-1051≦19, the low speed signal D
OWN is also set to 1'' and the microfilm 1 is moved at low speed in the feeding direction.

Then, since it is 1 during H and EW, the program jumps to the +1 routine and checks whether or not the dye mark MK has been detected. If not, the flag FL is set to °l" and the process returns.

When the piece mark MK is detected, the matter mark Mc is then checked, and if there is no matter mark, only the piece counter is increased by +1.
If there is a mark, add +1 to the mark and flag P.
Set L to 0. Then, since search key 16 is on, the process returns to the search routine.

Then, when the count value of the piece counter reaches [05J, it matches the contents of the display register, so the signal 0 ('J and DO
Set WN to 0°' to stop the movement of the microfilm, then go back to 9i. The piece projected at this time is piece B3 in FIG.

Next, the +1 frame routine performed when the +1 frame key is on in Figure 12 will be explained with reference to Figure 15 (2).

First, set the signals GO and DOWN to "1" and move the microfilm at a low speed in the feed direction C2.
Go to 1 routine.

Therefore, as described above, the piece mark and the item mark are checked, and when the piece mark is detected, the piece counter is incremented by 1, and when the item mark is also detected, the item counter is also incremented by 1. Then, the search key is checked, and since it is off, the item search switch is checked. Display and return to +1 piece Luten in Figure 15.

While the flag FL is "1", the +1 routine is executed again, and when PL=0, the signal 00 statement and I) OWN are set to "0".
C2 to stop the movement of the microfilm.

For example, when frame A1 of microfilm 1 in FIG. Vessel 2
Display on 7.

The 11th frame routine that jumps when the 11th frame key is on in FIG. 12 is almost the same as the +1 frame routine described above, as shown in FIG. Then move the microfilm in the return direction at low speed, go to the -1 routine, and when a missing frame is detected, the frame counter is decremented by 1, and if the mark is also detected, the decrement counter is also decremented by -1.
The only difference is in what they do.

In Fig. 12, when the +1 item key or -1 item key is turned on 0''1, l = jump, the +1 item routine and the -1 item routine are also in the 17th item.
As shown in Figure 18, the +1 piece routine is almost the same as the 1st piece routine described above, but the +1 routine or -l routine is repeated until the 1 cow mark is detected, and the next item is When a mark is detected, increase the number counter by 1
(when in the forward direction) or -1 (when in the backward direction), put the count value (case number) of the new case counter in the display register, display 27 (1), and stop the microfilm.
- to project.

In this example, the piece counter, item counter, and display register are allocated to tAM (inside the microcomputer that constitutes the search control circuit shown in Fig. 10), but they are allocated separately from the RAM. Of course, it may be provided.

As described above, according to the first invention, the content displayed on the number display can be changed to the piece number of the piece currently being projected by simply turning on and off the search switch, which is the search mode selection means. Since the display is switched to the item number, at least manual piece search or item search can be started immediately, improving operability.

Further, according to the second invention, automatic piece search or case search can be started immediately by simply entering the desired piece number or case number in the display register (= number) after selecting the search mode. , further improving operability.

[Brief explanation of drawings]

Figure $1 is an explanatory diagram showing an example of a microfilm used in an information retrieval device to which the present invention is applied. FIG. 2 is a perspective view showing the external appearance of a reader printer main body which is a practical example of the present invention, FIG. 6 is a plan view of the operation panel, and FIG.
Similarly, FIG. 5 is a block diagram showing the mechanism for projecting the film and making a copy, FIG. 5 is a block diagram of the film drive unit, FIG. 6 is a block diagram of the mark detection section, and FIG. 6 Figure 1 is an explanatory diagram showing the frame mark detector and subject mark detector in correspondence with the microfilm, the frame mark and the subject mark, and Figure 8 shows the relationship between the film drive circuit and its output signal. FIG. 9 is an explanatory diagram showing the relationship between the print control circuit and its human output signal, FIG. 10 is an explanatory diagram showing the relationship between the search control circuit and its human output signal, and FIG. 11 is an explanatory diagram showing the relationship between the search control circuit and its human output signal. microcomputer)tA
Explanatory diagrams showing the M map, FIGS. 12 to 20 are operation flow diagrams for explaining the quantity-related operations of this invention f: by the search control-1 path of FIG. 10. 1... Microfilm K... Piece KO...
Object group MK...piece mark Ntc mountain mark Ms
...Start mark NIE river mark 2...
Screen 6...Film drive unit 4
...Operation panel 5...Copy receiver 7...
Power switch 8...Print switch 14...
・+1 piece key 15...-1 piece key 16...Search key 17...Stop key 18...Clear key 19...Preset key 20...Numeric keypad
21...Rewind key 22...+1 item key
26...-1 item key 24...Manual dial
27... Number display 28... Item search switch (search mode selection means) 29... Item copy switch 67... Frame mark detector 68... Item mark detector 70... Film drive circuit 80...Print control circuit 90...Search control circuit (search control means) 10
0... RAM 101... Piece counter, ri (first counting means) 102.
...Counter (second counting means) 106...Display register brush 15 view Figure 16

Claims (1)

[Claims] 1. Each frame of a microfilm having a large number of frames on which information is recorded (a piece mark detector for detecting piece marks arranged in two pairs of windows, an item mark detector for detecting item marks provided corresponding to predetermined pieces C2 for each object group; and a search for selecting between a piece search using the number of each piece and an item search using the number of each object group. An information retrieval device comprising: a first counting means for counting the piece marks detected by the piece mark detector; and a second counting means for counting the piece marks detected by the piece mark detector. and a numeric display, and when the piece search mode is selected by the search mode selection means, the count value of the first counting means, and when the item search mode is selected (2 is the count value of the second counting means). and a display switching means for displaying the counted value of the means on the numerical display respectively. 2. An information retrieval device characterized in that a display switching means is arranged to display the counted value of the means on the numerical display respectively. a piece mark detector for detecting a dog mark, a piece mark detector for detecting a piece mark provided corresponding to a predetermined piece for each object group in which information for one piece is recorded, and a number for each piece. In the information retrieval device, the information retrieval device includes a search mode selection means for selecting between a piece search based on the number of each object group and a search mode selection means for selecting a piece search based on the number of each object group, the first counting means for counting the piece marks detected by the piece mark detector. a second counting means for counting the number of item marks detected by the item mark detector; a register for storing a number to be searched; and a second counting means for counting the number of item marks detected by the item mark detector; The counted value of the first counting means is compared with the stored content of the register, and when the case search mode is selected, the counted value of the second counting means is compared with the stored content of the register, and the counted value matches the stored content of the register. An information retrieval device comprising: a retrieval control means for retrieving desired information by moving and stopping the microfilm.