JPS61121066A - Copying machine - Google Patents

Abstract

PURPOSE:To attain various numbers of copies for individual original groups or originals by providing a partitioning means between original groups or originals different in copy number and detecting this partitioning means. CONSTITUTION:An original group (a) where individual originals are equal in copy number and an original group (b) where the copy number per original is different from that of the original group (a) and individual originals are equal in copy number are placed with a partitioning paper 4 between them on an original tray 2. The partitioning paper 4 is provided with a hole 4a which is detected to the partitioning paper. A detector 5 consisting of a light emitting element and a photodetector between which carried originals are interposed is provided in a position on the way of an original supply path due to an original supple means 3, and the light from the light emitting element reaches the photodetector through the hole 4a when the partitioning paper 4 is carried instead of the original.

Description

[Detailed description of the invention] Ni” sushi! The present invention relates to a copying machine equipped with an automatic document feeder.

2. Description of the Related Art Conventionally, in a copying machine equipped with an automatic document feeder, documents are automatically sent to an illumination section, and a preset number of copies can be made for each document.

However, in the conventional copying machine mentioned above, only the same number of copies can be made per original, and if the number of copies per original is different, it is necessary to clear the setting once and then reset the number of copies per original. Or, there is a problem that requires operations such as waiting until the original group or originals on the automatic document feeder have finished copying, loading the first original group or original, and setting the number of copies per original. Ta.

The present invention has been made in view of the above, and an object of the present invention is to provide a copying machine capable of copying a designated number of copies for each document having a different number of copies per yK document.

11゜The present invention includes a plurality of setting devices for setting the number of copies, a multiplexer for selecting one of the outputs of the plurality of setting devices, and a plurality of setting devices in which the output of the setting device selected by the multiplexer is preset and one a preset counter that counts each copy, a partitioning means inserted between originals or groups of originals having different numbers of copies, a detection means detecting that the partitioning means has been conveyed, and a preset counter that counts each copy. and signal generating means for outputting a switching signal for the input of the multiplexer based on the output of the preset counter and the output of the detecting means when the number of copies is counted, and outputting a drive instruction signal to the document supplying means. Features.

The present invention will be explained below with reference to examples.

FIG. 1 is a schematic diagram showing an automatic document feeder section in one embodiment of the present invention, and FIG. 2 is a block diagram of one embodiment of the present invention.

In FIG. 1, 1 is an automatic document feeder, and 2 is a document tray of the feeder 1. In FIG. The originals placed on the original tray 2 are fed one by one by an original supplying means 3 to an original platen (contact glass) 20 fixed to the main body of the copying machine. On the document tray 2, as shown in Figure 1, there are a group of documents a with the same number of copies per document, and a partition paper 4 with other groups of documents that require the same number of copies for each document. It is placed between the two.

The partition paper 4 has a hole 4 that detects that it is a partition paper.
A is a provision.

On the other hand, a detector 5 consisting of a light-emitting element and a light-receiving element is provided in the middle of the document supply path by the document supply means 3, sandwiching the document being conveyed, and a partition paper 4 is conveyed instead of the document. In this example, the partition paper 4 constitutes a partition means to be inserted between originals or groups of originals with different numbers of copies, and the light from the light emitting element reaches the light receiving element through the hole 4a. The container 5 constitutes a detection means for detecting that the partition means has been transported.

In FIG. 2, reference numerals 10a, 10b-10e are setting devices for setting the number of copies to be made for one document. One of the setting outputs of the setting devices 10a,...lOe is selected by the multiplexer 11 and sent to the preset counter 1.
Preset to 2. A copy signal is supplied as a count pulse to the preset counter 12 for each copy of one sheet, and the output when the count value of the count pulse matches the preset value is supplied to the preset counter 12 as a reset signal for the preset counter 12. At the same time, it is supplied to the monostable multivibrator 13. The output pulse width of the monostable multivibrator 13 is set to the time required for the partition paper 4 to move from the original tray 2 until the hole 4a reaches the position facing the detector 5.

The output of the monostable multivibrator 13 is the OR gate 1
4 and 15, it is supplied to the original supply means 3 and to the preset counter 12 as a load signal.

On the other hand, the output of the detector 5 is inverted and supplied to the AND gate 16 together with the output of the monostable multivibrator 13, and the output of the AND gate 16 is supplied to the original supply means 3 via the OR gate 14. The output of the AND gate 16 is also sent to the multiplexer 11 by the setters 10a, . . .
It is supplied as a selection signal for the output of the output terminal e, and after being delayed in a delay circuit 17, it is supplied as a load pulse to the preset counter 12 via an OR gate 15.

Note that the delay time of the delay circuit 17 is set to a time that compensates for the time required for switching the multiplexer.

In one embodiment of the present invention configured as described above, an operator sets the number of copies for each document group a, b in predetermined setting devices 10a and 10b, and outputs from a switch (not shown) to a monostable multivibrator. 13 and start it up. The set number of copies for each document group is displayed using the LED.
It may be displayed on a display device (not shown) consisting of, etc.

The output of the switch creates a monostable multi-pipe brake.
The counter 13 is triggered and supplied to the preset counter 12 as a load pulse and to the original supply means 3 as a drive instruction pulse via an OR gate 14 and 15. As a result,
The set value A of the setter 10a is set in the preset counter 12. Document group a placed on document tray 2 at the same time
The document a1 at the lowest position is sent out by the supply roller (not shown) of the document supply means 3, is conveyed by the conveyor belt 3a and the feed roller 3b of the document supply means 3, and is transferred to the stacking table 20.
A conveyor belt (not shown) placed opposite to the document table 2
0. Further, a detector (not shown) detects that the original is placed on the original platen, and the feeding of copy paper is permitted based on this detection output. This results in copy paper (not shown).

The document is fed from a paper feeding device (also not shown) toward the photoconductor, the document on the document table 20 is illuminated, and the copy image on the photoconductor is transferred to copy paper. In this way, copying of document a is repeated by the set value A, and at this time, a copy signal is output and counted for each copy. When the counted value obtained by this counting matches the set value A of the setter 10a, the preset counter 12 generates an output. This output triggers the monostable multivibrator 13. The output of the monostable multivibrator 13 is supplied to the original supply means 3 and the preset counter 12 via OR gates 14 and 15. As a result, the next document a2 in H document group a is placed on the document table 2.
0, and the setting device 10 is sent to the preset counter 12 again.
A setting value A of a is set, and A copies of the original a2 are made in the same manner as above. Similarly, the manuscript a3t...
Each A copy is made for an. This completes the copying of document group a. When the copying of the original a0 is completed, the partition paper 4 is placed in place of the original, so the partition paper 4 is fed next to the original an as shown in FIG. 3, and the hole 4a is detected by the detector 5. Detected. As a result, the output of the detector 5 becomes as shown in FIG. The output of the detector 5 that has detected the hole 4a is inverted and supplied to the AND gate 16. At this time, since the monostable multivibrator 13 is generating an output, the AND gate 16 generates an output, and the document supply stage 3 is driven via the OR gate 14, so that the document at the lowest position in the group of documents is The document is transported to the document table.

The output of the AND gate 16 is supplied to the multiplexer 11, and the output of the setter 10b is selected by the multiplexer 11. On the other hand, the output of the AND gate 16 is sent to the preset counter 12 via the delay circuit 17 to set the set value B of the setter 10b. In this case, since the delay circuit 17 exists, when the load signal is supplied to the preset counter 12, the multiplexer 11 selects the next setter ta.
The output of b is selected. Therefore, the output of the next setter 10b is reliably preset in the preset counter 12.

Next, in the same way as manuscript group a, there are manuscripts in manuscript group A.

b2. . . . B copies of the setting value 10b are made for bn. On top of the original group C, there is another original group C (
If there is a partition paper (not shown) between document groups C, a partition sheet (not shown) between document groups C is subsequently supplied, and copying of the first document group C will proceed.

Incidentally, the same operation can be performed even if a microprocessor is used in place of the embodiment of the present invention described above.

Toyoizumi As explained above, the present invention has a simple configuration.

By providing a partitioning means between a group of originals or between originals having different numbers of copies, and detecting the partitioning means, it is possible to make a different number of copies for each original or original in the group of originals.

[Brief explanation of drawings]

FIG. 1 is a schematic diagram showing a document feeder section and a document placement state in an embodiment of the present invention, FIG. 2 is a block diagram of an embodiment of the present invention, and FIG. FIG. 4 is an explanatory diagram illustrating the detection state of the detector. 1... Automatic document feeder 4... Partition paper 5...
Detector 1'Oa~10a...Setter 11...
・Multiplexer 12...Preset counter 13...Monostable multivibrator 17...Delay circuit

Claims (1)

[Claims] A copying machine equipped with an automatic document feeder includes a plurality of setters for setting the number of copies, a multiplexer for selecting one of the outputs of the plurality of setters, and an output of the setter selected by the multiplexer. a preset counter that is preset and counts each copy; a partitioning means inserted between originals or groups of originals having different numbers of copies; a detecting means for detecting that the partitioning means has been conveyed; signal generating means for outputting a switching signal for the input of the multiplexer based on the output of the preset counter and the output of the detecting means when the number of copies is counted by a preset value, and outputting a drive instruction signal to the document supply means; A copying machine characterized by: