JPS5885427A - Microfilm - Google Patents

Abstract

PURPOSE:To copy information immediately from the last frame, by adding the last frame marks in a line in addition to lines of frame marks and the first frame marks. CONSTITUTION:On a microfilm 11, frame marks MK for individual frames K, the first frame marks MC for the first frames of respective frame groups KG, and the last frame marks MD for the last frames of respective frame groups are added in different lines in the longitudinal direction of the mirofilm. In case that an information group (B1, B2, and B3) of one unit is copied, the last frame mark MD of the frame group KG is detected by a reader/printer, and the copy is started immediately from the last frame K after information B3 of the last frame is recorded, and information B3, B2, and B1 are copied in order. In the microfilm where the last frame marks are not added, time is wasted and the operativity is low because the microfilm must be returned by an extent corresponding to one frame after detection of the start frame mark of the next frame group.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to microfilm used in information retrieval devices such as reader printers.

Conventionally, negative or positive microfilm as shown in FIG. 1 has been used in information retrieval devices such as reader printers.

This microfilm 1 has a starting end leader tape 2 that is attached to a take-up reel (not shown) and a terminal end leader tape 3 that is attached to a reel in the cartridge. Mark (becomes a reset mark when returning) Ms and end mark ME f
It is attached.

And this microfilm 1 has a start mark M
s and the end mark ME, there is a large number of pieces K on which information is photographed and recorded at regular intervals in the longitudinal direction, and piece marks MK are attached in a row corresponding to each piece K. At the same time, a first frame mark (subject mark) MC is attached to each first frame of the side group KG in which one unit (one item) of information group is recorded so as to be separate from the piece mark MK. There is.

Note that the side group KG generally consists of a plurality of pieces, but may also be made up of ■ pieces. In addition, in FIG. 1, AI, A21B1 to B3
．． C1 to C4 indicate information recorded on each piece K.

The information retrieval device detects the frame mark MK and the first frame mark Mc on the microfilm 1, and performs frame searches (searches for each frame) and item searches (searches for each side group). , it is now possible to copy the information of the required pieces.

By the way, this microfilm 1 has information A2 on the occipital side (the last piece) 9 of each side group KG, for example, in FIG.
The piece (■) that recorded B3 and C4- (there is no indication to indicate it).

Therefore, in information retrieval devices, microfilm 1
When copying one unit of information group, for example, information Bt, B2゜B3, in order to eliminate wasted time after copying, record the information CI, which is the first piece of the next side group. After searching for the piece with the first piece mark Mc,
- measured information B: +, B2. I was trying to copy in the order of Bt.

However, searching for the first frame of the side group next to the side group to be copied and using it all at once wastes a lot of time, and there are problems in terms of operability.

This invention has been made in view of the above points, and provides a microfilm that can shorten copying time and improve operability when copying one unit of information group when used in an information retrieval device. The purpose is to

Therefore, the microfilm according to the present invention has a frame mark arranged in a row corresponding to each piece and a first piece mark arranged in a row corresponding to the first frame of each side group, as well as a first piece mark arranged in a row corresponding to the first piece of each side group. By attaching the occipital frame marker in a row separate from the piece mark and the first frame mark, it is possible to immediately copy from the occipital side of the side group to be copied.

Hereinafter, embodiments of the present invention will be described with reference to FIG. 2 and subsequent figures of the accompanying drawings.

FIG. 2 is an explanatory diagram showing an example of a microfilm embodying the present invention. Note that parts corresponding to those in FIG. 1 are denoted by the same reference numerals, and explanations of those parts will be omitted.

This microfilm 11 has a frame mark MK f corresponding to each frame K, a first frame mark Mc f corresponding to the first frame of each side group KG, and an occipital side mark corresponding to the occipital side of each side group KG. MD f are arranged in different rows in the longitudinal direction of the microfilm 11 at different positions in the width direction.

Therefore, if the league printer, which is an information retrieval device for this microfilm item, is made to be able to detect this occipital mark MD, it is possible to detect one unit of information recorded on the microfilm 11, for example, the information B in FIG.
1. B2. When copying Ba, information Bl, B2 . B3
Detecting the MDk of the side group KG that recorded the
Immediately start copying from the occipital side K where the information Ba of the last page was recorded, and then copy the information B3. You can now make copies in the order of B2°B1. Note that the microfilm 11 may be a positive film.

Next, a league printer using microfilm according to the present invention will be explained with reference to FIG. 3 and subsequent figures.

FIG. 6 is a perspective view showing the external appearance of the reader printer.

This reader printer has a screen 12 and a film drive unit/receiver 15 for searching microfilms disposed on the front surface thereof.

As shown in FIG. 4, the film drive unit 16 includes an image rotation dial 17. Focus adjustment dial 181 Manual feed dial 19. Image position adjustment dial 20. Film cartridge 21 and! A warning pump 22 is arranged.

Furthermore, various switches, operation keys, operation dials, display lamps, etc. are arranged on the operation panel 14, as shown in FIG.

Namely, 24 is a power switch for turning on and off the power of the entire machine, 25 is a copy switch for performing a copying operation, 26 is a paper end lamp that lights up when the photosensitive paper runs out, and 27 and 28 are for displaying the copy size. 29 is a toner lamp that lights up when toner runs out, and 60 is a solvent lamp that lights up when solvent runs out.

61 is the +1 frame key to advance the microfilm frame by one frame, 62 is the 11 frame key to go back one frame, 66 is the search key to issue a search command signal to search by film number, and 64 is the film key. 65 is a numeric display 44 for stopping the movement and copying operation.
It is a clear key that clears the numbers displayed on the screen.

66 is an internal RAM of the microcomputer (not shown)
67 is a numeric keypad used as a number setting means to set the number entered in the frame or counter with the numeric keypad 37. 67 is a numeric keypad used as a means of setting numbers when the preset value of the number you want to search is set. 68 is a rewind key for rewinding the film. , 69 is +1 goat to advance one film -40
is the 11 item key for returning one item, and 41 is the manual dial for sending and reversing in the film manual.

42 is a copy dial that adjusts the density of the copy;
46 is a copy number dial for setting the number of copies; 4
4 is a 4-digit 7-segment (i, El) color numeric display.

Reference numeral 45 denotes a copy switch for one item, and when performing f1 copy (copy of one unit of side group), this switch is turned on to turn on the copy switch 25.

FIG. 6 is a block diagram showing a mechanism for projecting microfilm and making copies by this reader printer.

In the same figure, the frame of the microfilm 11 held down by the pressure plate 49 on the film guide 48 is
The light passes through the condenser lens 51, passes through the projection lens 52, is reflected by the first mirror 53, and is projected from the second mirror 54 onto the screen 12. This is the state in which a normal microfilm 11 is inserted and images are being projected.

Now, if the copy switch 25 shown in FIG. 54 to the position indicated by the virtual line. After the movement, the mirror clutch 56 is turned off.

During this time, the roll of photosensitive paper 58 is started and
The exposed surface 6 is cut into a certain length by a vacuum belt 61, charged by a charging section 60, and exposed by a vacuum belt 61.
Reach above 2.

Furthermore, when the copy switch 25 is pressed, the lamp 50 that was irradiating the microfilm 11 at this point is turned off. Then, when the photosensitive paper 58 reaches the exposure surface 62, it is temporarily stopped, and the lamp 50 is turned on again to perform the entire static exposure.

When the exposure for a certain period of time is completed, the lamp 50
is turned off, and the photosensitive paper 58 moves again toward the developing section 66. The photosensitive paper 58 that has entered the developing section 66 is developed with a developer, dried in the drying section 64, and then conveyed to the copy receiver 15. When the exposure is completed, the mirror clutch 56 is turned on and the second mirror 54 returns to its original position.

Note that 65 is a reflecting plate that reflects the light emitted by the lamp 500 toward the condenser lens 51.

FIG. 7 is a schematic perspective view showing the structure of the portion of the microfilm that detects each mark.

In the same figure, a piece mark detector 67, a first piece mark detector 68, and a second piece mark detector 69 are each equipped with a light receiving element such as a photodiode on the lower surface thereof, and change the amount of incident light due to the light emitted from the lamp 50. , microfilm 11'', the presence or absence of the second frame mark MK, the first frame mark Me, and the second frame mark MD are detected, respectively.

FIG. 8 is a block diagram of an item search circuit that searches for items on microfilm.

In the figure, a first frame mark signal S of high level ゝゝH〃 is outputted every time the first frame mark Mc f of the microfilm 11 is detected from the first frame mark detector 68 of FIG.
c is input to the counting circuit 70.

The counting circuit 70 counts the leading frame mark signal Sc from the leading frame mark detector 68 and outputs the counted value to the subtracting circuit 71.

The subtracting circuit 71 inputs the count value P from the counting circuit 70 and the leading piece mark number Q of the desired side group entered by the numeric keypad 67 in FIG.

Then, this subtraction circuit 71 performs the calculation of Q-P and determines whether the calculation result is positive or negative, and while it is 0, the numerical value that is the calculation result and the drive signal Sv according to the judgment result are sent to Q-P. It is output to a forward/reverse switch 76 via a D/A converter 72.

This forward/reverse switch 73 is connected to a drive motor 7 that rotates a film feed roller (not shown) provided inside the film drive unit 16 in FIG. 4 in response to a drive signal Sv.
Change the rotation direction of step 4 to change the film feeding direction.

The drive motor 74 receives a drive signal Sv from the subtraction circuit 71.
While the drive signal Sv is being output, it rotates in the rotational direction according to the switching result of the forward/reverse switch 76, and stops when the drive signal Sv is no longer output from the subtraction circuit 71.

Therefore, the microfilm 11 is fed until the first frame of the desired side group set by the numeric keypad 67 in FIG. When the mark is detected by the mark detector 68, the microfilm 11 stops running.

As a result, the first frame of the desired side group of the microfilm 11 is projected onto the screen 12 of FIG. 3 or FIG. 6.

FIG. 9 is a block diagram showing an example of a print control circuit.

In the figure, when the copy switch 45 and the copy switch y-25 for one item are pressed, the copy command signal Sp f of a high level "H" is output from the AND circuit 79;
A set/reset type flip-flop circuit (hereinafter referred to as "S-RFP") 8 of a forward drive control circuit 80 that controls the feeding of the microfilm 11 in the feeding direction shown in FIG.
It is input to the set terminal S of No.1.

The forward drive circuit 82 of the forward drive control circuit 80 is
Input the Q output of RFF 81, and the Q output of
8, the film feeding drive motor 74 shown in FIG. 8 is rotated in a direction that moves the microfilm 11 in the feeding direction shown in FIG.

Also, the Q of S-RFF 81 of this forward drive control circuit 80 is
The output from the occipital piece mark detector 69 is inputted to the other input terminal of an AND circuit 86 which inputs the occipital piece mark signal 5Dk to one input terminal, and the output of this AND circuit 86 is inputted to the S
-RFF 81 reset signal as reset terminal Rv
c is being input.

Note that the occipital piece mark signal SD is detected by the occipital piece mark detector 6.
9 is a signal of high level "H" which is output when the occipital frame mark MDk of the microfilm 11 is detected.

The output of the above-mentioned AND circuit 86 is sent to the delay circuit 84.
It is also input to the copy control circuit 85 via.

When the input becomes ``I-1'', this copy control circuit 85 controls each part involved in copying the microfilm shown in FIG. 6 in a predetermined order to make a copy of the microfilm and copy When the operation is completed, the high level ゝゝH''
A copy end signal PEf is output.

Furthermore, a set terminal SVC of the 5-RFF 86 is also input, which inputs the signal via the output total delay circuit 84 of the AND circuit 86 to the copy command signal Spe reset terminal R from the copy switch 25.

The Q output of this S-RFF 86 is input to an AND circuit 87 which inputs the first frame mark signal Sc from the first frame mark detector 68 to an input terminal of another power, and the output thereof is used as a copy command signal from the copy switch 25. Sp f-Input to reset terminal R S-RF" Input to set terminal S of F1a.

Then, the copy end signal PE from the copy control circuit 85 is outputted through an AND circuit 89 which inputs the Q output of the 5-RFF 88 to the other input terminal, and the end of the copy operation is displayed on, for example, a display section (not shown).

Further, the copy end signal PE from the copy control circuit 85
A backward drive control circuit 91 controls to send the microfilm 11 in the return direction shown in FIG.
5-RFF92's set terminal S.

The reverse drive circuit 96 of this reverse drive control circuit 91 includes 5-
Input the Q output of RFF92, and this Q output becomes ``H''
Only while the film feed drive motor 7 in FIG.
4 is rotated in a direction to move the microfilm 11 in the return direction shown in FIG.

The S and Q output sounds of the reverse drive control circuit 91 and -RFF 92, and the piece mark signal SK from the piece mark detector 67
f is input to one input terminal (input to the other input terminal of the AND circuit 94, and the output of this AND circuit 86 'kS-
Reset terminal R as a signal of the RFP circuit 92
is being input.

The frame mark signal SK is a high-level signal "I" which is output when the frame mark detector 67 detects a frame mark M+<k on the microfilm 11.

The output of the AND circuit 94 is inputted via the delay circuit 95 to the set terminal S of the copy control circuit 85 and 5-RFF 86 described above.

Next, an explanation will be given of the copying operation of the side group information of one unit of the microfilm 11 by the print control circuit configured as described above.

Instead, the microfilm 11 is searched and, for example, the information B1, B2 . It is assumed that information B+ recorded on the first frame of the side group KG in which B3 is recorded is projected on the screen 12 of the reader printer.

In this state, when the operator turns on the copy switch 45 for one item and then presses the copy switch 25, the S-RFF 8 of the forward drive control circuit 80 is activated by the copy command signal Sp.
1 is set and S-RFP86.88 is reset.

5-RFF81 is set and its Q output becomes ゝゝH//
, the forward drive circuit 82 rotates the drive motor 74 in the film feeding direction, so that the microfilm 11
is sent in the feeding direction shown in FIG.

When the occipital frame recording the information B3 of the last page of that side group of the microfilm 11 comes to the projection position, the occipital frame mark detector 69 outputs an occipital frame mark signal SD.

As a result, the output of the AND circuit 86 becomes "H", the 5-RFF 81 is reset, and its Q output becomes "L".
'', the forward drive circuit 82 stops the drive motor 74 and stops the microfilm 11 at that position.

Then, after a predetermined period of time has elapsed since the output of the AND circuit 83 became "1", that is, when the microfilm 11
After completely stopping, the output of the delay circuit 84 becomes ゝゝH'/
Become a VC.

As a result, the copy control circuit 85 controls the microfilm 1
At the same time, the copying operation of information B3 of 5-RF is started.
F86 is set and its Q output becomes 1H'',
At this point, since the first frame mark signal Sc is not output from the first frame mark detector 68, the S-RFF 88 is not set.

When the copying of the information B and I on the microfilm 11 is completed, the copying control circuit 85 outputs a copying end signal PE, and since the S-RFP 88 is in the reset state at this time, the copying end signal PE is applied to the AND circuit. The signal is input to the 5-RFF 92 of the reverse drive control circuit 91 via the signal 90.

This causes S-RFF 92 to be set and its Q
The output becomes T4/l, and the backward drive circuit 93 rotates the drive motor 74 in the film return direction, so that the microfilm 11 is sent in the return direction as shown in FIG.

When the frame on which the information B2'z is recorded on the microfilm 11 comes to the projection position, the frame mark detector 67 outputs a frame mark signal SK.

As a result, the output of the AND circuit 94 becomes "H", the 5-RFP 92 is reset, and its Q output becomes "L".
'', the backward drive circuit 96 stops the drive motor 74 and stops the microfilm 11 at that position.

Then, after a predetermined time has elapsed since the output of the AND circuit 94 became ``H'' and the microfilm 11 completely stopped, the output of the delay circuit 95 became ``H''.

As a result, the copy control circuit 85 controls the microfilm 1
When the copying operation is completed, a copying end signal PEf is output.

At this time as well, since the 5-RFF 88 is in the reset state, the copy end signal PE is input to the backward drive circuit 91 via the AN I) circuit 90, and the same operation as described above is performed to move the microfilm 11 to the first position. It is sent in the return direction shown in Figure 2.

Then, the microfilm 11 stops when the first frame on which the information 131 is recorded moves to the projection position, and the information@Bt ml copy operation is performed in the same manner as described above.

At this time, the first frame mark detector 68 detects the first frame mark Mc of one film 11 and outputs the first frame mark signal 5clr.
The output of 7 becomes ``H'', S-1EL''lI'88 is set, the Q output becomes ``1]'', and the (N output becomes ``L//'').

Therefore, the copy end signal PE output from the copy control circuit 85 at the end of the copying operation of the old information on the microfill table 11 is A N I) times i+! 889 to a display section (not shown).

As a result, the display section displays the information of the desired side group of the microfilm 11 B1, B2 . Displays that copying of B3 is completed.

After that, information Bl of the microfilm 11 is added.

B2. If you want to copy B3, just operate the copy switch 25 again, and if you want to copy the information of another side group, search for that side group and press the copy switch 2.
All you have to do is 5.

In this way, the operator can obtain a copy of the information of the desired side group with the pages aligned by simply pressing the copy switch 25 once after searching for the side group desired to be copied.

In this case, it is not necessary to search for the first frame of the side group next to the side group desired to be copied and return all frames of the microfilm.

FIG. 10 is a block diagram similar to FIG. 9 showing another example of the print control circuit.

This embodiment differs from the embodiment shown in FIG. 9 in that the copy end signal PE from the copy control circuit 85 is input to a counter 97 via an AND circuit 89 to determine the number of times the copy end signal PE is output. , this count value CA is compared with the number of copies CB set by the number of copies dial 43 in FIG.
When A<Co, the re-copy signal Rp is input to the set terminal S of the S-RFF 81 of the forward drive control circuit 80.

In this way, each time copying of a desired side group of the microfilm 11 is completed, the copy end signal PE from the copy control circuit 85 is sent to the non-counter 9 via the AND circuit 89.
7 and the re-copy signal R from the comparator circuit 98 until the number of copies set by the number of copies dial 46 is reached.
Since 5-RFF81 is set by p, the copy operation of the desired side group is repeated the required number of times.

Therefore, by only turning the copy switch 25 once, the required number of copies of the desired side group can be obtained, making the operation extremely simple.

In the embodiment described above, the information is recorded sequentially from the start mark side of the microfilm, but the information may be recorded sequentially from the end mark side, and in this case, the microfilm The direction of sending may be opposite to that described above.

As explained above, by using the microfilm according to the present invention, it is possible to shorten copying time and improve operability when copying a unit of information on a microfilm in an information retrieval device. .

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram showing an example of a conventional microfilm, FIG. 2 is an explanatory diagram of a microfilm showing an embodiment of the present invention, and FIG. 3 is an explanatory diagram of a reader printer using the microfilm according to the present invention. FIG. 4 is a front view of the drive unit, FIG. 5 is a plan view of the operating pile, and FIG. 6 is a perspective view of the drive unit for microfilm projection and copying. FIG. 7 is a schematic perspective view showing the configuration of the part that detects each mark on the microfilm, and FIG. 8 is a block diagram of the item search circuit that searches for the microfilm. FIG. 9 is a block diagram showing an example of the print control circuit, and FIG. 10 is a block diagram showing another example of the print control circuit. 11 Microfilm K/piece KG/side group M+<
Piece mark Me - First piece mark MD ... Back piece mark Ms ... Start mark ME ・
End mark 23- Fig. 1 Fig. 2 Fig. 3 Anatomy arch

Claims (1)

[Claims] [1] It has a large number of pieces on which information is recorded at regular intervals in the longitudinal direction] 7. Piece marks are attached in a row corresponding to each piece, and pieces on the side groups on which one unit of information group is recorded. In a microfilm having a first frame mark corresponding to each first frame arranged in a line different from the first frame mark, an occipital frame mark corresponding to each first frame of the side group is placed on the first frame. A microfilm characterized by being attached in a line separate from the mark and the first piece mark.