JP2944378B2 - Composite recording device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite recording apparatus,
More particularly, the present invention relates to a composite recording apparatus having both an analog copying function and a digital facsimile function.

[0002]

2. Description of the Related Art In a conventional composite recording apparatus of this kind,
The facsimile document reading unit is a platen cover (document cover) that holds the document on the side of the machine body or the copy document reading unit.
It was common to be provided on top.

[0003]

In the prior art, since the facsimile document reading section is provided on the side of the apparatus main body or on the platen cover, the entire apparatus becomes large, which is contrary to the reduction in size and weight. There was a point. Therefore, a main object of the present invention is to provide a composite recording apparatus that can be reduced in size and weight.

[0004]

SUMMARY OF THE INVENTION The present invention includes a housing and a platen glass disposed on an upper portion of the housing, and a first original reading unit for performing analog processing on image data read from a first original placed on the platen glass. And a platen cover that is openably and closably mounted above the housing and holds the first document placed on the platen glass. Image data read from the second document is provided independently of the platen cover above the housing. And a prohibiting means for prohibiting the second document reading unit from being guided by the second document reading unit when the platen cover is opened.

[0005]

The second document reading section is arranged above the housing independently of the platen cover. When the platen cover is opened, for example, a step is formed between the upper surface of the platen cover and the entrance of the second document reading section, and the document placed on the platen cover is guided to the second document reading section by the step. Is prohibited. Therefore, the document sensor for detecting the document and switching to the second document reading mode is the second document sensor.
Even when provided at the entrance of the document reading section, there is no problem that the mode is undesirably switched to the second document reading mode. In addition, as a prohibiting unit that prohibits the document from being guided to the second document reading unit, a shutter or the like that is closed when the platen cover is opened may be used.

[0006]

According to the present invention, since the second document reading section is provided above the housing independently of the platen cover, the size and weight of the entire apparatus can be reduced. In addition, since it is possible to prevent the mode from being switched to the second document reading mode undesirably, it is possible to prevent operability from deteriorating.

The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the accompanying drawings.

[0008]

1 and 2, a composite recording apparatus 10 of this embodiment includes a housing 12 which is divided and opened by a clamshell method with a hinge 11 (FIG. 2) as a fulcrum. An image forming unit 14 and a paper feeding unit 16 are provided inside the lower housing 12a, and an analog document reading unit 18 is provided inside the upper housing 12b. Further, the upper housing 12 is located above the analog document reading section 18.
A platen cover 20, a facsimile document reading unit 22, an operation panel 24, and the like are provided on the upper surface of b.

Referring to FIG. 2, analog original reading section 18
Includes a platen glass 26 disposed above the upper housing 12b. Below the platen glass 26, an exposure lamp 28 for exposing a document (not shown) placed on the platen glass 26 is exposed by an exposure lamp 28. A plurality of reflecting mirrors 32 and a variable power lens 34 for guiding the reflected light from the original to a photoreceptor 30 described later are arranged at predetermined positions.

The image forming section 14 includes a photoconductor 30 having a photoconductive layer (not shown) formed on the outer peripheral surface thereof.
Around the photoreceptor 30 to uniformly charge the photoreceptor 30 in the rotation direction (the direction of the arrow).
A light emitting element 38 driven based on image data received by a transmission / reception circuit 88 described later, a developing unit 40 for attaching toner to an electrostatic latent image formed on the outer surface of the photoconductor 30,
A transfer charger 42 for transferring an image (toner image) to a sheet (not shown) supplied to the photoconductor 30,
A cleaning device 44 for removing the toner remaining thereon and a charge remover 46 for removing the residual charges are arranged in this order.

The reflecting mirror 32 or the light emitting element 38 is placed on the photosensitive member 30 uniformly charged by the charging charger 36.
Irradiates an original image from the photoconductor 30, an electrostatic latent image is formed on the photoconductor 30 according to its photoconductive characteristics. Then, toner is adhered to the electrostatic latent image by the developing device 40, and the toner image is transferred by the transfer charger 42 to a recording sheet (not shown) supplied from a registration roller 48 described later.

The paper supply section 16 includes a paper supply tray 50 which is detachably mounted, and recording paper is stored in the paper supply tray 50. A paper feed roller 52 is provided above an end of the paper feed tray 50.
Is provided, and the recording paper in the paper feed tray 50 is carried out by the paper feed roller 52. The recording paper conveyed out by the paper feed roller 52 is fed to a paper feed path 54 and a registration roller 48.
Is supplied to the photoreceptor 30, and the image is transferred by the transfer charger 42. Then, the recording paper onto which the image has been transferred is supplied to the fixing device 56, where the image is fixed, and then discharged onto the discharge tray 58.

Referring to FIG. 3, the platen cover 20 is
It has a function of holding a document placed on the platen glass 26 (FIG. 2), blocking disturbance light, and a function of guiding a facsimile document to the facsimile document reading unit 22. A hinge is provided on the upper surface of the upper housing 12b. Part 6
It can be opened and closed via 0. Hinge part 60
Is provided at a position spaced a predetermined distance from the edge 62 of the platen cover 20. Further, a pair of left and right paper guides 64 is provided on the upper surface of the platen cover 20. The left and right paper guides 64 are supported so as to advance and retreat at an equal distance from the center of an entrance 66 of the facsimile document reading unit 22 described later. Therefore, the center of the facsimile document can be positioned at the center of the entrance 66 by bringing the left and right paper guides 64 into contact with both ends of the document.

The facsimile document reading section 22 includes a fixed case 68 fixed to an upper portion of the upper housing 12b. When the platen cover 20 is opened, a document 70 placed on the platen cover 20 is attached to an end of the fixed case 68.
A document contacting portion 72 with which (FIG. 5) comes into contact is formed, and on the upper part of the fixed case 68, a sabaki pad 74, pinch rollers 75a and 75b, and the like are provided. Above the fixed case 68, an upper cover 76 is attached so as to be openable and closable. The upper cover 76 includes a document sensor 78, a paper feed roller 80, transport rollers 82a and 82b, a read head 84, a discharge roller 86, and the like. Provided. As the reading head 84, for example, a head having an LED for irradiating light to the document and a CCD sensor array for receiving reflected light from the document can be used.

Then, as shown in the block diagram of FIG.
A transmission / reception circuit 88 for performing facsimile transmission / reception is arranged, for example, inside the housing 12 and below the facsimile document reading unit 22 (not shown). The transmission / reception circuit 88 includes an amplifier 90 for amplifying the output of the read head 84, an A / D converter 92, an encoding circuit 94, a modulation / demodulation circuit 96, and an NCU (Network Control Unit).
98, decoding circuit 100, RAM 102, ROM 104
And a CPU 106 for controlling them.

At the time of facsimile transmission, the hopper 112
Set an original on (Fig. 3) or press mode key 1
07, the mode is switched to the facsimile mode (facsimile original reading mode). When the mode is automatically switched to the facsimile mode by setting a document, the ten key 108
A facsimile transmission is started by operating a (abbreviated dial key) to specify a transmission destination and pressing a start key 110. On the other hand, when the mode is switched to the facsimile mode by operating the mode key 107, the original is set on the hopper 112,
8 (may be abbreviated dial keys) to specify the destination, and press the start key 110 to start facsimile transmission.

When the start key 110 is pressed, first, an auto dialer (not shown) is activated, and a line with a facsimile machine of a transmission destination is connected via the NCU 98 in accordance with a predetermined line connection procedure. This line connection is verified,
When it is confirmed by the document sensor 78 that a document is set on the hopper 112, the sheet feeding rollers 80,
The transport rollers 82a and 82b and the paper discharge roller 86 are driven, and the original is read one sheet at a time from the hopper 112 to the read head 8
4. The read head 84 outputs image data corresponding to the original image, and the output is amplified by an amplifier 90, converted to a digital signal by an A / D converter 92, and encoded by a coding circuit 94 to compress the data amount. . Then, after being modulated into transmission data suitable for communication by the modulation / demodulation circuit 96, the data is output to the destination facsimile apparatus or the like via the NCU 98 and the line. When all the originals have been read, a predetermined end confirmation procedure is executed by the NCU 98, and when the end is confirmed, the line is opened.

On the other hand, when a call is received from another facsimile machine or the like, a predetermined line connection procedure is executed by the NCU 98, and a line connection with another facsimile machine or the like is made. From NCU
The received data is input to the modulation / demodulation circuit 96 via 98. Then, the received data is demodulated into a coded signal by the modulation / demodulation circuit 96, decoded by the decoding circuit 100 into image data, and output to the image forming unit 14.

Further, in this embodiment, the function of temporarily storing the modulated facsimile transmission data in the RAM 102, reading out the stored data a plurality of times and transmitting it to a plurality of different destinations, or transmitting it at a designated time And a function of temporarily storing received data from another facsimile machine or the like received during the copying operation in the RAM 102 and outputting image data corresponding to the stored data to the image forming unit 14 after the copying operation is completed. Is provided.

The ROM 104 stores a control program for the entire transmitting and receiving apparatus. According to this embodiment,
Since the facsimile document reading section 22 is provided on the upper surface of the housing 12 independently of the platen cover 20, the size and weight of the entire apparatus can be reduced. Further, since the hinge portion 60 for supporting the platen cover 20 is provided at a position separated from the edge 62 of the platen cover 20 by a predetermined distance, when the platen cover 20 is opened, for example, as shown in FIG. A step occurs between the upper surface of the document table 20 and the entrance 66 of the facsimile document reading unit 22, and the document 70 placed on the platen cover 20 abuts on the document contact unit 72. Therefore, the document 70 is not undesirably guided to the facsimile document reading unit 22, and the problem of undesirably switching to the facsimile mode does not occur.

In the above-described embodiment, the hinge portion 60 is positioned above the end face 62 of the platen cover 20 in the upper housing 1.
The hinge portion 60 is provided at the center of the upper surface of the platen cover 2b, for example, as shown in FIG.
It may be provided on the peripheral side of the upper housing 12b with respect to the edge 62 of the zero. In this case, since the document placed on the platen cover 20 falls on the facsimile document reading unit 22, it is possible to prevent undesired switching to the facsimile mode as in the previous embodiment.

Further, in each of the above-described embodiments, when the platen cover 20 is opened, a step is formed between the upper surface of the platen cover 20 and the entrance 66 of the facsimile document reading section 22 so that the document is formed. Is prohibited, but a shutter (not shown) that is closed when the platen cover 20 is opened is replaced with this.
May be provided at the entrance 66 to prevent the document from being guided.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is an illustrative view showing one embodiment of the present invention;

FIG. 3 is an illustrative view showing a platen cover and a facsimile document reading unit;

FIG. 4 is a block diagram showing a facsimile transmission / reception circuit.

FIG. 5 is an illustrative view showing a state where a platen cover is opened;

FIG. 6 is an illustrative view showing another embodiment of the present invention;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Composite recording apparatus 12 ... Housing 14 ... Image forming part 16 ... Paper supply part 18 ... Analog original reading part 20 ... Platen cover 22 ... Facsimile original reading part 60 ... Hinge part 72 ... Original contact part 78 ... Original sensor

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) G03G 15/00 107 G03G 15/00 550 G03G 21/16-21/18 G03G 15/22-15/22 109 H04N 1/00 108

Claims (1)

(57) [Claims] A first document reading section including a platen glass disposed on an upper portion of the housing, for performing analog processing on image data read from a first document placed on the platen glass, above the housing; A platen cover that is attached to the platen glass so as to be openable and closable and holds the first document placed on the platen glass, and is provided above the housing independently of the platen cover, and reads image data read from the second document. A composite recording apparatus comprising: a second document reading unit that performs digital processing; and a prohibiting unit that prohibits the second document reading unit from being guided by the second document reading unit when the platen cover is opened.