JP2002296977A - Copying machine having monitor display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a copying machine capable of making a copy easily in a specific position of a range of a specific copying sheet even when a part of a copy document is copied or even when the document is copied in an enlargement or reduction size. SOLUTION: The copying machine has a monitor display that displays a document portion of the copy documents 22 set on a document table. A monitor display window 20 of a display unit is provided with a copy size display part corresponded to a copying sheet. The copy document 22 is re-set so that a monitor-displayed document portion display 23a is positioned to the copying size display part. Then, a copy start button 15 is operated to perform a copying operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a copying machine having a monitor display for copying a desired portion of a copy document set on a document table onto a predetermined copy sheet.

[0002]

2. Description of the Related Art As is well known, a copying machine sets a copy original on a platen and then operates a copy start button to copy the original (characters, figures, symbols, etc.) of the copy original. Copied on a predetermined copy sheet.

[0003] Many copiers are A5, A4, B
There is a cassette for supplying copy paper of 5, B4 size, etc., so that the size of paper to be copied can be selected.

Therefore, it is common practice to select and copy a copy sheet of a size corresponding to the size of the copy document. Is selected.

[0005]

When copying an original of a copy original larger than the platen, the copy original protrudes from the platen glass, so that it takes time and effort to position and copy the original to be copied. Become.

That is, in the case of such an original copy, an original portion to be copied is selected from the copied originals, and the original portion is set at a predetermined position on the glass surface of the original platen and copied. Because the original side is placed on the platen glass side and the original part is positioned and set with a sense, part of the original part is not copied,
Further, a copy may be made in one direction in a copy paper and may be a failure copy.

In such a case, the copied document is re-set by shifting the position of the document portion and then copied again. However, even if the copied document is copied again, the intended document portion may not be copied sufficiently. Copy to get an accurate copy
May need to be repeated several times.

On the other hand, a similar problem occurs when an original is enlarged and copied. In other words, the original to be enlarged and copied does not fit into the selected copy paper of the predetermined size, and a part of the original is not copied, or the copy is shifted to one side of the copy paper and the copy fails. -. Also in this case, the copy original is set again and the copying is repeated.

As described above, in the case of partial copying or enlarged copying of a copy original, copying is troublesome and the number of copies increases, which is not economically preferable.

SUMMARY OF THE INVENTION An object of the present invention is to provide a copying machine capable of visually confirming a range to be copied and a copying position and then copying after considering the above situation.

[0011]

In order to achieve the above object, according to the present invention, in a copying machine for copying a copy original set on a platen onto a predetermined copy sheet, a copy original set on the platen is provided. In addition to a monitor display for displaying, a copy size display unit corresponding to the copy paper is provided on the display unit of the monitor display so that the monitor display of the original to be copied is positioned in the copy size display unit. A copying machine provided with a monitor display, wherein a copying operation is performed after a copy original is set and adjusted, is proposed.

[0012]

In this copying machine, when a copy original is set on a platen, the original is displayed on a monitor display. Therefore, according to the copy size display section of the monitor display, it is confirmed whether or not the portion of the copy document to be copied is correctly positioned in the size display section.

When the original portion to be copied is not correctly positioned in the copy size display section, the original is moved while visually checking the display on the monitor display so that the original section to be copied is positioned in the size display section. Set the copy original again.

After positioning the portion of the original to be copied in the copy size display area, the copy start button is operated to copy the original.
Make it work. By copying in this manner, the original portion to be copied is within the range of the copy paper, and
It is copied to the appropriate position on the paper.

[0015]

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a copying machine.
11 is a copying machine main body, 12 is a platen glass, 13 is a platen cover, 14 is an operation panel, 15 is a copy start button,
Reference numeral 16 denotes a copy paper cassette, and reference numeral 17 denotes a copy tray. Reference numeral 20 denotes a monitor display window of a monitor display provided on the operation panel 14, and reference numeral 21 denotes a monitor button. Note that a two-dot chain line 22 indicates a document sheet, and a dotted line 23 indicates a document portion to be copied.

FIG. 2 shows a first example of a copying machine having a monitor display.
It is a simple mechanism figure showing an embodiment. This copying machine has a full-surface exposure structure, and the sensor is stationary or moved in a plane.

The monitor display provided in the above-mentioned copying machine is a camera 2 for photographing the original of the copy original set on the original platen.
4 is provided. The camera 24 is a video camera which is attached to the copying machine main body 11 so as to be located at the back of the platen glass 12, and photographs a document through the platen glass 12.

That is, this copying machine has light sources 25a, 25
b illuminates the entire surface of the original, the reflected light of the original enters the camera 24, and the solid-state image sensor (C
The camera 24 outputs an image signal of a document.

Therefore, as shown in FIG.
The image signal sent from 4 is signal-processed by the signal processing circuit 26 and sent to the display 27. The display 27 is constituted by a liquid crystal display, and the display 27 projects an original on the monitor display window 20 in accordance with an input of an image signal.

As shown in FIG. 4, the monitor display window 20 has a copy size display 2 corresponding to copy paper.
0A and 20B are provided. The display 20A is copied.
On the sheet A4, the display 20B indicates a copy range that can be copied on the copy sheet B4.

When the monitor button 21 is operated by operating the monitor button 21, the camera 24 and the light source 25
a, 25b, a display circuit, and the like operate. Therefore, when a copy document 22 of a large size as shown in the figure is set on a document table, an image signal of the document in a range photographed by the camera 24 is sent to a signal processing circuit 26, and a display 27 is moved according to the image signal. Project.

That is, the display 27 displays a document within the range of the camera 24, for example, a document within the range of the platen glass 12. Therefore, by looking at the monitor display window 20, it is possible to confirm whether or not the original portion 23 to be copied is within the paper to be copied.

When the original portion 23 to be copied is not in the paper to be copied, the original cover 13 is opened and the original 22 is copied.
Is moved, and the display 23a of the original portion to be copied is set again so as to be positioned in the copy sheet as shown in FIG. FIG. 4 shows the positioning of the original when the original portion 23 to be copied is copied onto A4 size copy paper.

After the document portion 23 to be copied is positioned by the monitor display, the copy start button 15
Operate and copy.

Since the copying machine has a conventionally known copying function, the copying operation copies the original portion 23 to A4 size copying paper. As a result, the original portion 23 is accommodated in the copy sheet, and is accurately copied at the determined position.

On the other hand, when the original portion 23 to be copied is enlarged / reduced for copying, the copy mode of the copying machine is enlarged / reduced.
Since the reduction is set, the setting signal SO is input to the signal processing circuit 26, and the signal processing circuit 26 enlarges / reduces the image signal.

Since the display unit 27 enlarges and reduces the original portion 23 and projects it, the display 23a can be copied in the same manner as described above by positioning the display 23a on the copy sheet.

In this embodiment, the video camera 24
However, a digital camera may be provided. When a digital camera is provided, the image signal is temporarily stored in a memory, and the display 27 displays a still image based on the image signal read from the memory.

In the present embodiment, a special copy such as a copy of a part of a copy document or an enlargement / reduction copy is performed.
In the case of, the monitor button 21 is operated to display on the monitor. However, in addition to such a special copy, there is no problem in displaying the monitor on a general copy. Is unnecessary for the display switching configuration using the monitor button 21.

FIG. 5 is a simplified mechanism diagram showing a second embodiment of a copying machine having a monitor display. This copying machine has a slit exposure configuration, and the sensor unit 28 is of a scanning type.

The monitor display operates according to the scanning of the monitor button 21 and the sensor unit 28 performs scanning. Then, as shown in FIG. 6, the optical signal output from the sensor unit 28 is photoelectrically converted by the photoelectric conversion circuit 29, and the photoelectric conversion signal is subjected to signal processing by the signal processing circuit 30.

The signal processing circuit 30 has a memory, and stores the processed signal every time the sensor unit 28 scans. The display 31 is constituted by a liquid crystal display, and reads a display signal from a memory of the signal processing circuit 30 to display a document.

The rest is the same as the monitor display of the first embodiment described above. The copy operation is performed after the original portion display 23a of the display 31 is aligned with the copy size display portion of the monitor display window 20. The same applies to the case where the image is copied after being enlarged / reduced.

It should be noted that the present invention is not limited to the partial copy of a copy original larger than the platen glass 12, but also partially copies a copy of a fixed size such as an A4 size or a B4 size.
The same can be used for reduction copying.

[0035]

As described above, the copying machine according to the present invention is provided with the monitor display which allows the original to be copied to be pre-aligned before copying. Even when copying a portion or copying an original by enlarging or reducing it, the copying machine is free from copying failures and requires less time for copying.

[Brief description of the drawings]

FIG. 1 is a perspective view of a copying machine provided with a monitor display of the present invention.

FIG. 2 is a simplified mechanism diagram showing a first embodiment of a copying machine having a monitor display.

FIG. 3 is a block diagram showing a monitor display circuit of the first embodiment.

FIG. 4 is a simplified diagram showing an example of a monitor display window.

FIG. 5 is a simplified mechanism diagram showing a second embodiment of a copying machine having a monitor display.

FIG. 6 is a block diagram illustrating a monitor display circuit according to a second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Copier main body 12 Original platen glass 14 Operation panel 15 Copy start button 20 Monitor display window 21 Monitor button 22 Copy original 23 Copy original part 23a Original part display 24 Camera 27, 31 Display

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2H027 FA05 FA06 GA23 GA43 GA45 GB16 5B047 AA01 BA02 BB06 BC16 CA14 CB09 CB11 CB21 5C072 AA01 BA02 EA05 EA08 LA03 RA04 RA10 XA01

Claims (1)

[Claims] 1. A copying machine for copying a copy set on a platen onto a predetermined copy sheet, comprising a monitor display for displaying the copy set on the platen, and a display unit of the monitor display. Is provided with a copy size display section corresponding to the copy paper, and the copy operation is performed after the copy original is set and adjusted so that the monitor display of the copy original is positioned within the copy size display section described above. A copying machine equipped with a monitor display.