JPH0760250B2 - Micro film reader printer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is a microscopic device that retrieves a desired microimage from a plurality of microimages printed on a microfilm, projects it on a screen, and copies it on a recording paper. 2. Related Art for Film Reader Printer [Prior Art] The microfilm used in the above-mentioned microfilm reader printer includes a roll film type and a microfish type. Then, a mark (a so-called blip mark) for retrieving the frame number of each micro image is printed on the micro film in the margin portion of the film. On the other hand, on the microfilm reader printer side, a sensor is provided at a position corresponding to this mark, and each time this sensor detects a blip mark, the counter is incremented so that the frame number can be known. . When the target frame is reached, the film feed is stopped and the micro image of that frame is projected on the screen.

By the way, there are two types of methods for imprinting the blip mark. That is, as shown in FIG. 3 (a), the first method is shown in the center portion of each image (I), and as shown in FIG. 3 (b), the tip portion of each image (I). It is the second method that is imprinted on the. Therefore, when microfilms having different imprinting methods are used, the projection position on the screen is different. For example, comparing both of the large and small microfilms, in the case of the first method, the large size image (I _L ) is the small size image (IL) as shown in FIG. I _S ) are projected respectively as shown in FIG. 4 (B), while in the case of the second method, a large size image (I _L ) is similarly projected as shown in FIG. 4 (A). However, a small size image (I _S ) is projected as shown in FIG.

Therefore, when copying a small size micro image (I _S ) onto a small size recording paper, it is necessary to specify a copy area.

However, conventional microfilm reader printers
In the copy mode, regardless of the image size, a predetermined range from the portion corresponding to the edge of the screen is always copied (there is no particular document).

[Problems to be solved by the invention]

Therefore, when trying to copy a small size micro image (I _S ) on the microfilm on which the blip mark is imprinted by the first method onto a small recording paper, the image is displayed on the screen, for example, as shown in FIG. (B)
The image is projected as shown in, so you can manually move the microfilm and copy the micro image (I _S ).
It was necessary to switch to the copy mode after the image had been projected as shown in FIG. 4 (a), and the operation was troublesome.

SUMMARY OF THE INVENTION In view of the above situation, an object of the present invention is to make it possible to easily switch and designate a region to be copied on a recording paper from a micro image projected on a screen according to a method of imprinting a blip mark.

[Means for solving problems]

The microfilm reader printer according to the present invention is characterized by a first recording method in which a search mark is located in the lower center of a recorded image and a second recording method in which a search mark is located below the leading edge of a recorded image. A screen larger than the projected image in a microfilm reader printer that can handle microfilm together and has a projection mode for projecting the image of the microfilm onto a screen and a copy mode for copying the image of the microfilm onto recording paper. , A first copy area centered on the center of the screen onto which an image is projected when the micro film according to the first recording method is loaded, and an image when the film according to the second recording method is loaded. The second copy area from one end of the projected screen to the center A copy area switching means for selecting two different copy areas, a scanning means for scanning a microfilm image, a paper feeding means for feeding recording paper, and a copy area switching means when a copy mode is set. According to the copy area selected by the means, the paper feeding means is operated so as to feed at a paper feed timing corresponding to the timing when the scanning means reaches the scanning start position of the selected copy area, and the copying operation is executed. It is provided with a control means for controlling.

[Work]

That is, since the copy area switching means can be operated to change the copy area on the screen in accordance with the difference in the recording method of the search mark, even if the search mark is recorded at the end of the micro image. Even if the search mark is recorded in the central portion of the micro image, the image on the micro film can be copied to an appropriate position on the recording paper by operating the copy area switching means.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

1 and 2 show a microfilm reader printer provided with a copy area switching unit according to the present invention, respectively.
The front and the cross section are shown.

This microfilm reader printer can be switched between a reader mode for enlarging and projecting a micro image on a microfilm (F) onto a screen (5) and a print mode for enlarging and copying on a recording sheet.

In the reader mode, the scan mirror (6) for copying is
It is retracted to the position (x) in the figure outside the projection optical path. Light from the light source (1) below the film (F) passes through the film (F) through the condenser lens system (31), and passes through the lens (30), mirrors (3) and (4) The micro image on (F) is enlarged and projected on the screen (5). Further, in the print mode, the projection mirror (3) is retracted to the position (y) in the figure outside the imaging optical path. The light from the light source (1) is slit-exposed on the photosensitive drum (19) through the scan mirrors (6) and (8) and the fixed mirrors (7) and (9), and is uniformly charged. An enlarged electrostatic latent image of the micro image (I) is formed on the photosensitive drum (19). The scan mirrors (6) and (8) are connected by a wire (not shown) so as to move integrally.
After moving once to the scan start positions (l) and (p) respectively, the scan is performed toward the scan end positions (n) and (r).

In the print mode, when a print switch (not shown), which is an example of mode switching means, is pressed, the pickup roller (12) or (13) rotates and is selected by a recording paper size selection switch (not shown). Recording papers of different sizes are sent out from the paper feed cassette (10) or (11) and sent to the timing roller (18) by the rollers (14), (16) or (15), (16). When the recording paper enters the timing roller (18), the recording paper detection sensor (17) detects the leading edge of the recording paper and the timing roller (1
The transmission to 8) is cut off. At the same time, the scan mirrors (6) and (8) start moving as described above to form a latent image on the photosensitive drum (19). The latent image is transferred onto the recording paper sent from the timing roller (18) in the transfer device (20) in synchronization with the rotation of the photosensitive drum (19) after being developed by attaching toner particles and the like. . The recording paper after transfer is sent by a conveying device (21), and after the transferred image is fixed by a heat fixing device (22), it is sent by a sending roller (23) to a tray (2
4) It is carried over.

Next, the microfilm (F) loaded in this microfilm reader printer will be described. As shown in FIGS. 3 (a) and 3 (b), the microfilm (F)
Is continuously imprinted on a long film having a width of 16 mm or 35 mm in a mixed form of micro images (I _S ) and (I _L ) of two sizes. These two sizes are
"A3" and "A4" correspond to originals of different sizes. Further, on the microfilm (F), a mark (so-called blip mark) (M) for searching a frame of the image (I) is provided for each microimage (I) in the margin of the film (F). It is imprinted on the part. There are two methods for the position where the mark (M) is imprinted. The first method is the central portion of each image (I) as shown in FIG. 3 (a), and the second method is the tip of each image (I) as shown in FIG. 3 (b). It is a part.

A sensor (S _M ) is provided at a position corresponding to the mark (M) on the microfilm reader / printer side, and as the film (F) is fed, the sensor (S _M ) is marked ( Each time (M) is detected, a counter (not shown) is incremented so that the frame number can be known. Therefore, the micro image (I) in the designated frame can be projected on the screen (5), or the frame number of the image (I) being projected can be known by looking at the counter.

This sensor (S _M ) is also a sensor for positioning the projected image in the reader mode. That is, even if the blip mark (M) is printed by any of the methods described above, the detection of the blip mark (M) by this sensor (S _M ) determines that the frame is the target frame. For example, the feeding of the film (F) is stopped, and at this time, the sensor (S _M ) is arranged so that the image (I) projected on the screen (5) is in a regular position. There is. The position of the sensor ( _SM ) corresponding to the first method is the central part of the screen (5),
The "A3" size micro image (I _L ) is shown in Fig. 4 (a).
In addition, the "A4" size micro image (I _S ) is projected as shown in FIG.
The position of the sensor (S _M ) corresponding to the second method is the leading end of the film (F) in the feeding direction with respect to the screen (5), and the “A3” size micro image (I _L ) is shown in FIG. As shown in (a), and the micro image (I _S ) of "A4" size is projected, as shown in FIG. 4 (c). Then, in response to two types of microfilm (F) side of the blip mark imprinting, the blip mark sensor (S _M), and to be able to switch position to either of the two positions mentioned above .

Further, in this micro film reader printer, as described above, in correspondence with the two methods in which the position where the blip mark (M) is imprinted is different, the smaller size micro image (I _S ) screen ( 5) The projection position above is different. That is, as shown in FIG. 4 (b), the target micro image (I _S ) is projected on the central portion of the screen (5), and as shown in FIG. 4 (c), the screen (5) ), The target micro image (I _S ) and the next frame micro image (I _S ′) may be projected. Therefore, as shown in FIG. 5, which method is used to copy the projected micro image by switching the copy position selection switch (2) which is an example of the copy area switching means provided in the front part of the printer. Always the desired micro image (I _s )
Is configured so that it can be automatically and properly copied onto the smaller recording paper.

That is, as described above, in the print mode, the recording paper of the size selected by the recording paper size selection switch is fed to the timing roller (18), where the timing roller (18) temporarily stops rotating. At this time, the scan mirrors (6) and (8) start moving from the scan start positions (l) and (p), and the timer (T ₁ ) or (T ₂ ) incorporated in the control device (c) is used. ) Starts operating. Then, according to the copy position selected by the copy position selection switch (2), after waiting for a time corresponding to the time required for the scan to reach the tip position of each micro image set in advance, the timing roller (18) Is rotated to supply the recording paper to the transfer device (20).

The relationship between the set time and the position of each micro image (I) on the screen (5) is shown in FIG.
Further description will be given using the schematic diagram shown in (c). FIG. 6A shows copying of an "A4" size micro image (I _S ) when the copy position "center" is selected by the copy position selection switch (2). After the scan mirror (6) moves from the scan retreat position (x) to the scan start position (l), the scan mirror (6),
(8) starts scanning and the timer (T ₂ ) starts. Projected on the center of the screen (5),
The time required for the scan mirrors (6) and (8) to move to the beginning of the "A4" size image (I _S ) is the time-up setting time (t ₂ ) of the timer (T ₂ ). further,
The time lag from the start of image formation on the photosensitive drum (19) to the start of operation of the timing roller (18) is the time-up setting time (t ₅ ) of the timer (T ₅ ). Therefore, the recording paper is sent to the transfer device (20) by the timing roller (18) after (t ₂ + t ₅ ) from the start of scanning, and proper transfer is performed.

If the designated number of copies is one, after the image of the "A4" size micro image (I _S ) is formed on the photosensitive drum (19), the scan mirror (6) moves to the scan retreat position (x). When the designated number of copies is plural, the scan mirrors (6) and (8) are again set to the scan start position (l) after the time (t ₄ ) required for forming an image of “A4” size (I _S ). , (P), the same operation as above is performed, and after the designated number of copies are completed, the scan mirror (6) moves to the scan retreat position (x).

FIG. 6B shows "A4" when the copy position is "end" by the copy position selection switch (2).
Figure 6 shows a copy of a micro image (I _S ) of size.
At this time, the scan mirrors (6), (8) are moved to the scan start position (l), up to the beginning of the "A4" size image (I _S ) projected on the tip side of the screen (5) in the film feeding direction. the time required for moving from (p) is a timer (T ₁₎ time-up set time (t _1), the other operations are the same as those in the case shown in FIG. 6 (b). Therefore, the recording paper is sent to the transfer device (20) after (t ₁ + t ₅ ) from the start of scanning.

Further, FIG. 6C shows copying of the "A3" size micro image (I _L ) regardless of the selected copy position by the selection switch (2). At this time, it is exactly the same as the case shown in FIG. 6B except that the time required for the image formation of the “A3” size image (I _L ) on the photosensitive drum (19) becomes (t ₃ ). By the operation of, the micro image (I _L ) is copied.

When copying the “A4” micro image (I _S ) when the copy position is “center” by the copy position selection switch (2), the method shown in FIG. The method shown in the figure may be used. In this scheme, "A4" is provided with a sensor on a portion corresponding to the head position of the size of the image (I _S) (S _I), when scanning the micro image (I _S), scan mirror (6), (8 )
Are not returned to the scan start positions (l) and (p) one by one. Therefore, the time for wasteful scanning can be omitted, and the work efficiency can be further improved.

The control device (C) for controlling each operation in the above-mentioned copy mode will be described. As shown in FIG. 7, this control device (C) is mainly composed of a microcomputer (MC). The I / O interface (25) for the microcomputer (MC) includes a copy position selection switch (2), a print switch, a recording paper detection sensor (17) in front of the timing roller (18), a scan mirror (6), ( 8) is the scan start position (l),
(P), a scan start position sensor that detects whether the scan mirror (6) is in the scan retract position (x), and a recording paper size selection switch (see FIG. A signal from (not shown) is input. Also I / O interface (25)
Outputs a signal for driving the scan mirrors (6), (8) in both forward and reverse directions and a drive control signal for the timing roller (18) via the drive circuit (26).

Next, the operation of the microfilm reader printer having the above configuration will be described with reference to the flowcharts shown in FIGS.

FIG. 8 is a flowchart showing the overall operation. When the power is turned on, after initial setting (# 1), the reader mode is set, the reader process is performed (# 2), and the state of the print switch is determined (# 3). In the reader processing routine (# 2), as described above, the micro image (I) on the micro film (F) is projected on the screen (5). When the print switch is pressed,
From the states of the copy position selection switch (2) and the recording paper size selection switch (not shown), the parameters for printing are set (# 4), and then the printing mode is switched to the printing process (# 5). .

The control device (C) of the reader printer has a multi-task monitor, and the multi-task monitor manages a plurality of tasks that divide and divide the operation of the reader printer. The operations of the reader / printer, which are shared by a plurality of tasks, include scanning of a micro image (I), feeding to a transfer device (20), and heating and fixing device (2
2) Temperature control, check of each operation switch, control of exposure, control of toner, detection of paper jam, etc. The multitask monitor manages a plurality of operations as if they were performed in parallel, and each task requires synchronization between operations by means such as checking the flag state. The processing of the case is performed.

Next, among the plurality of tasks described above, a scan task of the micro image (I) and a task of feeding the transfer apparatus (20) will be described.

FIG. 9 is a flowchart of the scan task. In this task, first stop the scan operation (# 1
1). Since the scan mirror (6) is retracted to the scan retreat position (x) in the reader mode, the scan operation is started in the opposite direction to move the scan mirror (6) to the scan start position (l) and The scan mirror (8) is moved to the scan start position (p). When the scan start position sensor (not shown) detects the scan mirrors (6) and (8), the scan operation is stopped (# 12). Subsequently, whether or not the recording paper is fed to the timing roller (18) is determined by the state of the paper READY flag. If the paper READY flag is set to "1" and it is determined that the paper is ready to be fed, the scan operation is started after clearing this flag (#
13).

After that, the built-in timer (T ₁ ) or (T ₂ ) is started according to the set print parameters. That is,
As described above, when the “A4” size is selected by the recording paper size selection switch and the “center” copy position is selected by the copy selection switch (2), the timer (T ₂ ) is set. Start. Also, "A4" size is selected by the recording paper size selection switch,
Also, the copy position selection switch (2) is used to "end"
When the copy position of is selected and when "A3" size is selected by the recording paper size selection switch,
Start the timer (T ₁ ) (# 14).

When the timer (T ₁ ) or (T ₂ ) times out, it is determined that the scan mirrors (6) and (8) have reached the tip of the micro image (I), and the image formation start flag is set to "1". Stand it up and let the paper feed task know about it (# 15). As a result, the paper feeding task supplies the recording paper to the transfer device (20) as described later.

Then, the built-in timer (T ₃ ) or (T ₄ ) is started according to the print parameters. That is, the timer (T ₃ ) is started when the “A3” size is selected by the recording paper size selection switch, and the timer (T ₄ ) is started when the “A4” size is selected (# 16 ). Then, the micro image (I) is scanned in a slit shape to form an electrostatic latent image on the photosensitive drum (19), and when the timer (T ₃ ) or (T ₄ ) times up, the image formation is completed. Judgment is made, "1" is set to the image forming end flag, and the paper feeding task is notified of this (# 17).

After that, it is determined whether or not the same micro image needs to be copied, that is, whether or not it is a multi copy (# 1
8). Whether or not the copy is the multi-copy is performed by another task by comparing the counted number of copies with the designated number of copies and determining the state of the flag that changes according to the result. If it is a multi-copy, that is, if it is necessary to continue the copy, the process returns to the step (# 11) and the same operation as described above is repeated. If not multi-copy
That is, if it is unnecessary to continue copying, the scan mirror (6) is continuously moved in the same direction, and the scan retract position sensor (not shown) is used to scan the scan mirror (6).
If is detected, the scan operation is stopped (# 19) and the scan task is ended.

On the other hand, FIG. 10 is a flowchart of the paper feeding task.
In this task, first, according to the size selected by the recording paper size selection switch, the recording paper of that size is
By driving the pickup roller (12) or (13), one sheet is pulled out from the paper feed cassette (10) or (11),
The rollers (14), (16) or (15), (16) feed them into the timing roller (18) (# 21). When the recording paper detection sensor (17) detects the leading edge of the recording paper, it starts a timer (T ₆ ) set to time up by the time for feeding the recording paper by the amount necessary to form a loop (# twenty two). After the timer (T ₆ ) times out, the drive of each roller is stopped and the paper READY flag is set to "1" to notify the scan task that the paper supply is ready (# 23).

Then, it is determined whether the scan mirrors (6) and (8) have reached the tip portion of the micro image according to the state of the image formation start flag. If "1" is set in the image formation start flag, it is determined that the scanning of the micro image (I) is started, and this flag is cleared (# 24). Then, by adjusting the time lag from the scan start to feed the recording paper, in order to align the image on the front end and the photosensitive drum of the recording paper (19), a timer (T ₅₎ is started, the timer (T ₅₎ After the time elapses, the drive of the timing roller (18) is started and the recording paper is sent to the transfer device (20) (#
twenty five).

After that, the latent image on the photosensitive drum (19) is developed and then transferred onto the recording paper. Meanwhile, whether the image formation is completed or not
It is determined by the state of the image forming end flag, and if "1" is set in this flag, it is judged that the image forming is completed, and this flag is cleared (# 26). Then, as in the previous case, the timer (T ₅ ) for adjusting the time lag is started, and after the timer (T ₅ ) is up, the drive of the timing roller (18) is stopped (# 27).

Similar to the scan task, if it is necessary to determine whether it is multi-copy (# 28) and continue copying, go back to the step (# 21) and repeat the same operation as above to continue copying. If there is, the paper feeding task is ended.

As the copy area switching means, the blip mark (M) is used when a recording paper of a smaller size is selected by the recording paper selection switch instead of the method of providing the selection switch (2) as described in the previous embodiment. The copy area may be switched in synchronism with the position switching of the blip mark detection sensor (S _M ) according to the imprinting method, and its specific configuration can be appropriately changed.

In the above-described embodiment, there are two types of image sizes on the microfilm (F), "A3" size and "A4" size, respectively.
Although the size corresponds to the size, the size of the original that corresponds to the image size may be a combination of "B4" size and "B5" size, or "A4" size and "B5" size. Furthermore, micro images (I) of sizes corresponding to three or more document sizes may be mixed on the micro film (F).

In addition, in the above-mentioned embodiment, the type in which a roll-shaped long film is loaded as the microfilm (F) has been described, but the type in which a microfish type or a type housed in a jacket is loaded The present invention can also be applied to the above.

〔The invention's effect〕

As described above, in the micro reader printer according to the present invention, even if the search mark is recorded at the end of the micro image, the search mark is recorded at the center of the micro image. Even if it is a small one, a proper copy area is set by operating the copy area switching means, and it is not necessary to manually move the microfilm to a predetermined position as in the conventional case. The image on the microfilm can be copied to the proper position on the recording paper, and the efficiency of copying work can be improved.

[Brief description of drawings]

1 to 11 show an embodiment of a microfilm reader printer according to the present invention. FIG. 1 is a front view of the microfilm reader printer, FIG. 2 is a sectional view of the microfilm reader printer, and FIG. (A) and (b) are plan views of the microfilm, and FIGS. 4 (a) to (c) are front views showing the projection state of the micro image on the screen,
FIG. 5 is a perspective view showing the mounting portion of the copy position selection switch, and FIGS. 6A to 6C show the relationship between the projection position of the microfilm on the screen and the time-up setting time of the paper feed control timer. FIG. 7 is a schematic configuration diagram of the control device of the microfilm reader printer, and FIGS. 8 to 10 are flowcharts showing the operation of the microfilm reader printer. FIG. 11 is an explanatory view corresponding to FIG. 6 (a) showing a modified example. (2) ... Copying area switching means, (5) ... Screen, (F) ... Micro film, (I) ... Micro image.

Claims (1)

[Claims] 1. Handling both a first recording method in which a search mark is located at the lower center of a recorded image and a microfilm of a second recording method in which a search mark is located below the leading edge of a recorded image. And a projection mode that projects a microfilm image onto the screen,
In a microfilm reader printer having a copy mode for copying a microfilm image onto a recording paper, a screen larger than the projected image and a screen onto which the image is projected when the microfilm according to the first recording method is loaded. A first copy area centered on the center of the second recording area and a second copy area extending from one side edge of the screen onto which the image is projected when the film according to the second recording method is loaded to the central area. Copy area switching means for selecting one copy area, scanning means for scanning an image on a microfilm, paper feeding means for feeding recording paper, and when the copy mode is set, the copy area switching means selects the copy area. According to the copy area, the scanning means reaches the scan start position of the selected copy area. Microfilm reader printer, characterized in that by operating the feeding means to feed paper feed timing corresponding to a control means allowed to perform the copying operation.