JPS62276958A - Copying machine - Google Patents

Abstract

PURPOSE:To facilitate the position instruction by using a spot light so as to designate a part of an original to be copied in the upward state while observing an original face. CONSTITUTION:In desiring to copy the upper half of paper A and the upper half of paper B, at first an A paper original 2 is placed at a normal position and a light spot output coming from a light source 3 is read by a line sensor 4, then the upper half is copied. Then the B paper is placed on the original platen while being shifted by a half of the paper to restart the copying operation. Thus, partial position instruction attained.

Description

[Detailed Description of the Invention] 3. Detailed Description of the Invention [Purpose of the Invention] (Field of Industrial Application) This invention converts image information on a document surface into an electrical signal, processes the signal, and records it again. The present invention relates to a copying apparatus.

(Prior Art) A so-called scanning copying machine that converts the image signal of an original into an electrical signal and then records it again is 1! The advantage is that various signal processing can be performed on the converted signal.

However, in the past, it was inferior to normal image-forming type copying machines in terms of image quality, so there were few examples of it being put into practical use, and to some extent it was used as a copying machine by directly connecting a facsimile transmitter and receiver. .

The types of scanning copying machines that will appear in the future are ones that are similar to current facsimile machines, in which a sheet-like original is inserted into the image signal reading section, or those that are similar to normal image-forming copying machines. One idea is to place the original face down on the original table.

However, with either method, there are few problems when simply copying the entire manuscript, but when copying only a part of the manuscript or combining several manuscripts to create a single page, It is difficult to indicate the necessary areas.

All of these problems are caused by the fact that the surface of the document cannot be visually observed.

Therefore, an optical system that uses a semi-transparent mirror or the like to observe the part of the document where the signal is being read can be considered, but even when specifying a part of the document, it is necessary to grasp the relationship with the whole document. It is desirable to be able to see the entire surface.

(Problems to be Solved by the Invention) As described above, when copying only a portion of a document, it is difficult to specify the necessary area on the document.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a copying apparatus that can visually indicate the portion of a document to be copied.

[Structure of the invention]

(Means for Solving the Problems) The present invention includes a table on which a document having image information to be copied is placed, and a reading section that scans the image information of the document placed on the table and obtains an image signal. The image signal obtained by this reading section is received by a copying device equipped with a recording section that performs recording, and outputs a light spot that indicates the part of the document to be copied while making the image information of the document visible. This copying apparatus is characterized in that it has a light source that allows the recording unit to record only the portion designated by the light source.

(Function) Since the portion of the document to be copied can be specified using a spot light with the surface of the document facing upward and visible, it is easy to specify one position.

(Example) Embodiments of the present invention will be described using FIGS. 1 to 3.

As shown in FIG. 1, place the paper surface 2 facing upward on the document table 1,
A sensor section 3 is provided above it, facing the paper surface. As shown in FIG. 2, the sensor section 3.

It consists of a line sensor 4, an imaging lens 5 that images the paper surface 2 on the line sensor 4, a sensor moving section 7 including an optical path changing mirror 6, and a drive system 8 that moves the sensor moving section 7. The line sensor 4 electrically scans the image signal in the lateral direction of the paper surface, and mechanically scans the image signal in the longitudinal direction by the movement of the sensor moving unit 7. For example, a semiconductor photodetection element such as a CCD is used for the line sensor.

The electrical signal from the line sensor 4 is sent to the print head 9 after passing through a signal processing circuit 20 as shown in FIG. In the printer, recording paper 12 is sent out from a recording paper cassette 10 by a feed roller 11, and then sent to a print head 9.
recorded. For example, a thermal head is used as the print head 9.

In addition, if the sensor moving part 7 is attached with a light source 14 such as a rung or a light emitting diode as shown in FIGS. 4 and 5, and a condensing lens 13, it will be possible to irradiate light onto the paper surface and indicate which position the sensor is reading. can do. It can be shown by a light spot as shown in FIG. 4, or it can be shown by a light line using a cylindrical lens 13 as shown in FIG.

In this case, what is important is that this instruction is visible on the top surface of the document, that is, the surface on which image information is written.

In addition to the various advantages of a scanning copying apparatus that once converts an image signal into an electrical signal, the present invention has the following effects.

In other words, for example, if you want to combine the top half of page A and the top half of three pages and make a copy, first place page A in the correct position.
Copy the top half. This may be done by partially stopping the copying operation when the moving light spot indicating the image signal detection position reaches halfway. Next, the sheet B is shifted by half of the sheet surface and the copying operation is restarted by copying the original platen V.

Since the sensor section can be made small, a stable device can be realized.

Furthermore, according to the configuration of this embodiment, information can be written on the paper after the paper is covered on the manuscript table 1, and information can be written on the paper immediately after the writing is done, without having to replace the original again. Vca copy is possible.

In the above embodiment, assuming an l-line line sensor, 9 is
A sensor in which a plurality of photoelectric confections are lined up in the direction of movement may be used.

Further, the electric signal from the sensor may be stored once in a memory, and in this case, it becomes easy to use the one-picture signal detection section and the recording section separately.

〔Effect of the invention〕

According to this method, the position of a portion of the document to be copied can be specified while the paper surface of the original is visible, making it easy to specify the position.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing one embodiment of the present invention, and FIG. 2 is a perspective view showing an embodiment of the present invention.
Its cross-sectional view, Figure 3, is an explanatory diagram showing the flow of signals, Figure 4.
This figure and FIG. 5 are perspective views for explaining position display by light irradiation. 1... Original table, 2... Paper surface, 3... Senna section, 4
... Line sensor, 8... Drive system, 9... Print head, 12... Recording paper. Agent Patent Attorney Noriyuki Chika Yudo Mitsuyuki Matsuyama Figure 1 Figure 2

Claims (1)

[Scope of Claims] Specifying means for specifying a portion of an original placed on a table where image information is to be copied; and image information of the portion specified by the specifying means by scanning the surface of the original. In a copying apparatus having a reading means and a means for recording image information of a portion read by the means on recording paper, etc., the specifying means has a light source for specifying the portion of the image information. . A copying apparatus characterized in that a portion of the image information is specified by moving a light spot projected from the light source onto the document.