JPS5949571B2 - copying device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a copying apparatus that can automatically and continuously copy a plurality of original documents.

For example, when a microfilm is used as a document for copying, examples of the microfilm on which an original image is recorded include a roll film F1, a fish film F2, an aperture card F3, etc. as shown in FIGS. 1A, B, and C.

Roll film F is a long film with many frames a, ~
A4, b, . . . are arranged in parallel, and a search or positioning mark M is provided on the side of each piece. The fish film F2 is a rectangular film in which a large number of pieces a1 to a4, b0, . . . are arranged in a grid pattern. The aperture card F8 has a film having one or more frames attached to five apertures of the card. A reader printer is used to copy such an original image on a microfilm onto a copying material. With reader printers, the image of the desired frame on the microfilm is projected onto a screen, the image is observed, the part of the frame to be copied is positioned at a predetermined position on the screen, and then the copy button is pressed and the printer is is activated to obtain a copy. Normally, a microfilm has five frames with related information arranged in series. For example, in the roll film F4 and fish film F2 shown in Figure 1, four consecutive frames a7, a2, a
.

, a constitutes one piece of related information. Also, in aperture card F8, multiple aperture cards 0
constitutes one piece of related information, and a plurality of such related image frames are to be copied consecutively. After the printer finishes one copying operation and moves on to the next copying operation, the operator feeds the film, replaces the aperture card, projects the next image on the screen, and observes it. , and it is necessary to position it in a predetermined position and then operate the copy button. Therefore, if one piece of information consists of many image frames or many aperture cards, the operator must perform image exchange/positioning operations and
This has disadvantages in that the user has to press the copy button many times, which makes the operation complicated and the copying process takes a long time. In order to overcome these drawbacks, there is a known machine that is equipped with a repeat mechanism that performs automatic copying and allows the automatic copying cycle to be set arbitrarily5. I didn't know when to start, and automatically started copying while I was changing the original, positioning it, or considering the contents of the original, causing a problem where miscopying occurred.

There was also the inconvenience of not being able to leave the copying machine even if one could do other work while copying. It is an object of the present invention to provide a copying machine that eliminates such inconveniences, eliminates copy mistakes, and allows copying operations to be carried out with peace of mind.

The present invention will be explained below with reference to the drawings.

FIG. 2 shows a reader printer to which the present invention is applied, which includes a printer device 1, an operating device 2, and an observation device 3.
It is composed of.

The printer device 1 includes an electrophotographic photoreceptor, an exposure means, a charging means, and a developing means. Transfer means, copy material feeding means. It consists of drying and fixing means, etc., and details of these are given in Japanese Patent Application Laid-open No. 1973
This is described in Japanese Patent No.-8247, etc., and is well known, so a description thereof will be omitted.

The microfilm F is stretched between two reels 4 and 5, and can be moved from the left reel to the right reel or from the right reel to the left reel by rotating the handles 6 and 7 provided on each reel 4 and 5. Hefilm can be sent. The microfilm F is illuminated by a lamp in an exposure section formed at the top of the printer device 1. The illuminated film image is selectively enlarged and projected by a projection lens 8 onto either the photoreceptor of the printer device 1 or the screen 9 of the observation device 3. This selection is made by rotating a mirror (not shown). The screen 9 is a transparent type screen, and is provided with a copy frame 10 for positioning an image to be copied on the film. It is configured so that only the image projected within this copy frame 10 is copied. The observation device 3 is composed of optical means such as mirrors, details of which are given in Japanese Patent Publication No. 1983-
Since it is well known in Japanese Patent Application Laid-open No. 23174, Japanese Patent Application Laid-Open No. 50-80124, etc., the explanation will be omitted. Front panel 1 of operating device 2
1 includes a power switch 12 that supplies power to the printer device, etc., a copy density adjustment dial 13, a copy cycle adjustment dial 1 (rebeat/manual mode selection switch 15. copy skip button 16. rebeat stop button 17, copy A button 18 and a display section 19 for displaying the elapsed time of the copy cycle are provided.

FIG. 3 shows a printer control circuit for controlling the operation of the printer device 1. As shown in FIG.

In Figure 3, 20, 21 are or gates, 22, 23,
24 and 25 are AND gates, and 26 is an inverter. 26 indicates a printer operation circuit that operates various processing means of the printer device 1 in a predetermined time order;
When a predetermined copying operation is performed, a completion signal is output from output terminal a.

This end signal is output when a predetermined step of the copying operation is completed. For example, in the case of a scanning method in which the document table that holds the microfilm is moved and the document is scanned, the document is scanned when the document table has finished moving and returned to its home position, or when the document table is fixed and the microfilm is fixed and the mirror is moved. In the case of the scanning method, when the movement of the mirror ends and it returns to its home position, the position of the document table or mirror is detected by a microswitch or the like, and an end signal is obtained from this microswitch. Note that this end signal may be transmitted depending on the operation of the developing process, transfer process, copy material feeding process, or moving process of a mirror that selectively projects the microfilm image onto either the printer device or the observation device. Preferably, this occurs when the exposure scanning process is completed and the document (image) can be replaced. Reference numeral 40 denotes a transfer control circuit for controlling the film transfer device that feeds the film F, and is activated when a termination signal is received from the printer operation circuit 27 via the OR game 21.

FIG. 4 shows a film transport device, in which numeral 41 is a light source that illuminates the mark M of the microfilm F placed in the exposure section, 42 is a light receiving element that detects the optical signal of the mark M, and 43 is a mark detection circuit. , 44 indicate motors for driving the feed rollers 6 and 7, and are controlled by the transfer control circuit 40.

When the transfer control circuit 40 receives the end signal from the printer operation circuit 27, it drives the motor 44 to rotate the feed rollers 6 and 7 to feed the microfilm F, and the mark of the next frame is detected by the light receiving element 42. Then, the motor 44 is stopped and a film stop signal is output from the output terminal b, thereby completing the exchange of image frames on the exposure section. In Figure 3, 28 indicates a timer circuit. When a film stop signal is received from the transfer control circuit 40, it is activated and starts measuring time, and when a set time has elapsed, a high level copy start signal is generated from output terminal c, and when the time measurement is finished, it is stopped. It becomes activated. 29 is a delay circuit, and 30 is a skip circuit. The skip circuit 30 is composed of a flip-flop circuit, and a copy skip button 16 consisting of a self-recovery switch is connected to its set input terminal d, and a reset button 16 is connected to the set input terminal d. The output terminal of the AND gate 24 is connected to the input terminal e via the delay circuit 29.

In addition, an inverter 26 is connected to the output terminal f of the skip circuit 30.
The input terminal of the AND gate 24 is connected to the input terminal of the AND gate 24, respectively. 99 is a display device that displays the elapse of the set time of the timer circuit 28 while the timer circuit 28 is in operation;
The display contents of this display circuit are displayed on the display section 19 shown in FIG.

As shown in FIGS. 8 and 9, the display device 99 includes a flip-flop circuit 100, an oscillator 101, and a counting circuit 1.
It consists of 02. Flip-flop circuit 100
has its set input terminal S connected to the output terminal b of the transfer control circuit 40. Its reset input terminal R is connected to the output terminal c of the timer circuit 28. Oscillator 101 is connected to the set output terminal of flip-flop circuit 100 and generates pulse signals at regular time intervals, which are counted by counting circuit 102.

The counting circuit 102 displays the display unit 1 every time a pulse signal is sent.
9 light emitting diodes LED1, LED2...L
The EDn are sequentially turned on and reset by the copy start signal from the timer circuit 28 to return to the initial state. Therefore, the elapsed state of the set time from the end of exchanging image frames in the exposure section until the timer circuit 28 outputs a copy start signal for the next copying operation can be known by the number of light-emitting diodes lit on the display section 19. I can do it. Therefore, the operator should consider the position of the newly placed image in the exposure area, the contents of the image, etc., and prepare for the next copy until the predetermined display corresponding to the set time is displayed. This allows you to work with peace of mind. Note that the display device is not limited to one that displays the passage of time in an analog manner, but may also display the passage of time numerically.

FIG. 5 shows a specific example of a timer circuit, in which 50 is a flip-flop circuit and 51 is a variable resistor, which are connected to the copy cycle adjustment dial 14. Rotation of the dial 14 changes the resistance value of the variable resistor 51. The setting time of the timer circuit is adjusted by the change.

52 and 53 are diodes, and 54 is a resistor. 55 is a capacitor, and 56 and 57 are inverters.

The operating time may be set as a timer circuit by a combination of a cam and a microswitch having different set times.

Furthermore, various known timers can be used. Figure 6 shows the signal waveforms at each point A1 to A4 of the timer circuit, and the waveform lines A, , A2, A3 in Figure 6 are shown.
, A4 represents the signal waveform at each point with the same sign, and t is the setting time of the timer circuit. t2 indicates the pulse width time of the copy start signal.

The set time t of the timer circuit 28 is determined by the operator observing the original by operating the copy cycle adjustment dial 14.
The time is set at an appropriate time taking into account the time required for positioning work and the like. Next, the operation of the reader-printer will be explained with reference to the time chart shown in FIG.

First, turn on the power switch 12, and then turn on the repeat/manual mode selector switch 1 to obtain multiple copies of images.
5 to repeat mode. By switching to the repeat mode, a high level signal is input to one input terminal g of the AND gate 22. On the other hand, the copy skip button 16 and rebeat stop button 17 are turned off. At this time, a low level signal is output from the output terminal f of the skip circuit 30 (FIG. 7F). A high level signal is output from the output terminal of the repeat stop button 17 (FIG. 7B). Next, the first frame of the desired pattern is placed in the exposure section using an automatic search device or the like.

The operator correctly positions the frame in the copy frame 10 while observing the image of this frame on the screen, and after completing the positioning, presses the copy button 18 to command the start of copying. When the copy button 18 is turned on, the image on the screen disappears.
The device transitions from the viewing state to the printer state. When the copy button 18 is turned on, a high-level copy command signal (
Figure 7 A) appears. This signal activates the printer operation circuit 27 via the rear gate 20, whereby the image of the frame placed in the exposure section is exposed onto the photoreceptor, and the first copying operation is performed. After the exposure is completed, the image is projected onto the screen again, and the state returns to the observation state. At the same time, the printer operating circuit 27 outputs a high-level end signal (D in FIG. 7). is activated.

As a result, the film F is fed, and when the mark detector detects the mark of the second frame, the film feeding stops.
And from this circuit 40, a high level film stop signal (
Figure 7 E) appears. The timer circuit 28 is activated by this film stop signal. The timer circuit 28 outputs a covey start signal (FIG. 7G) after a set time t1 after starting the operation.
) occurs. After replacing the image frame in the exposure section. Until this copy start signal is issued, that is, within the set time t, the operator positions the second frame placed in the exposure section while looking at the display on the display section 19 and checking the elapse of the set time. Perform work, etc.

The above-mentioned work is completed before the display on the display unit 19 reaches the set time. When the set time is displayed, the repeat stop switch 17 and the skip button 16 are off, and the mode changeover switch 15 is switched to the rebeat mode, so the coby start signal output from the timer circuit 28 causes the AND gates 25, 23, 22 opens, or gate 20
The printer operating circuit 27 is activated again via the printer, and a second copying operation is performed. After the second exposure, the film is fed again, and the third frame is automatically placed in the exposure section in place of the second frame.

Observe the image of the third frame on the screen, and if you do not need to copy this third frame, look at the display on the display 19 and press the copy skip button 16 before the timer circuit operates for the set time t1. Press.

When the skip button 16 is turned on, the output terminal f of the skip circuit 30 becomes high level (FIG. 7F). After the third frame is placed in the exposure area, when the skip button 16 is turned on, a copy start signal is generated from the timer circuit 28, but since the AND gate 23 is closed due to the coby skip button 16 being turned on. Printer operation circuit 2
7 does not work. Continuous copying is temporarily suspended.

First, since the skip button is turned on, the output terminal f of the skip circuit 30 is at a high level, so the AND gate 24 is opened by the copy start signal. The transfer control circuit 40 is operated via the OR gate 21, the motor 44 is driven, the film is transferred, the frame in the exposure section is replaced, and the fourth frame is placed in the exposure section.

After the frame exchange is completed, the timer circuit 2 is activated by the film stop signal.
8 is activated. Therefore, by turning on the skip button 16. The transfer control circuit is activated and the mode is switched to the document exchange mode without the next copying operation being performed. When the AND gate 24 is opened, the skip circuit 30 is reset after a predetermined period of time via the delay circuit 29. The output terminal f is at a low level (Fig. 7F), which causes the signal output from the timer circuit to automatically switch to the original mode in which the copying operation is performed. After replacing the piece with the fourth piece without copying, it is sufficient to perform the necessary work on the next piece, that is, the fourth piece, within the set time t1 while looking at the display on the display section 19.

Furthermore, if you do not want to copy several frames after the fourth frame, you can press the skip button 16 repeatedly at appropriate intervals for the number of frames that you do not need to copy. After resetting the skip circuit 30. When the copy start signal is generated again from the timer circuit 28,
AND gates 25, 23, 22 open, or gate 20
The printer operating circuit 27 is activated via the printer, and the third copying operation is performed.

Thereafter, the operator proceeds with the work of checking the position of the image and the content of the image while looking at the display on the display unit 19, without pressing the copy button. It is possible to automatically copy each image at preset time intervals. (Hereinafter, this copy format will be referred to as "repeat copy"). To stop repeat copying, press repeat stop switch 17. AND gate 25 closes. For this reason, the timer circuit 28
The copy start signal is not sent to the printer operating circuit. The next copying operation and image exchange are not performed. Repeat covey ends. In addition. By switching the rebeat/manual mode selector switch 15 to manual mode.
Similarly, rebeat copying can be stopped.

When the mode changeover switch 15 is switched to the manual mode, a copying operation is performed every time the operator presses the copy button 18, and the printer can be used in the same way as a normal printer. According to experiments, the time required for examining the image content, positioning the image, etc. varies depending on the ability and experience of the operator, the content of the image, etc., but is generally about 2 seconds.

Therefore, the set time t can be changed to an appropriate time by operating the copy cycle adjustment dial 14 according to the skill level of the operator. If the operator is skilled, the set time can be shortened. By shortening the copying cycle, copying work can be done in a short time, and in the case of an inexperienced operator, the setting time can be lengthened.

As described above, according to the present invention, it is possible to proceed with the copying work according to the elapse of the set time of the copying cycle. It is possible to prevent an accident in which a copying operation is started during content review or positioning of a document, resulting in a copy error, and even an operator who is not familiar with the machine can perform copying operations with peace of mind.

Also. It is also possible to easily decide whether or not it is okay to leave the copying machine when other errands are available. In addition. The present invention is not limited to microfilm reader printers, but can also be applied to copying machines that use manuscripts such as documents and drawings, and the copying method is not limited to electronic photography, but can also apply methods such as silver halide photography and heat development photography. You can also do that.

[Brief explanation of the drawing]

Fig. 1 is a diagram explaining a microfilm, Fig. 2 is a schematic diagram of a reader printer showing one embodiment of the present invention, and Fig. 3 is a diagram showing a printer control circuit. Fig. 4 is a block diagram of the film transfer device, Fig. 5 is a diagram showing a timer circuit, Fig. 6 is a waveform diagram at each point of the timer circuit, Fig. 7 is a diagram showing a time chart, and Fig. 8 is a diagram showing a display device. and FIG. 9 respectively show the configuration diagram of the display section. 1... Printer device, 9... Screen 10... Copy frame 16... Skip button 18... Cobby button. 28...
...Timer circuit.

Claims (1)

[Claims] 1. Original exchanging means that is activated after completion of a predetermined step of a copying operation; Timing means that is activated in response to the original exchanging operation of the original exchanging means and emits a signal after a set time; A copying apparatus comprising: a copy control means for performing a copying operation; a time limit adjustment means for adjusting a set time of the time limit means; and a display means for displaying the elapse of the set time of the time limit means.