JPH0792858A - Composite recording device - Google Patents

Abstract

PURPOSE:To make an entire device small in size and light in weight and to prevent operability from being deteriorated by providing a 2nd original read part independently of a platen cover at the upper part of a housing. CONSTITUTION:Since a facsimile original read part 22 is provided independently of the platen cover 20 on the upper surface of the housing, the entire device is made small in size and light in weight. Since a hinge part 60 supporting the platen cover 20 is provided at a position at a specified distance apart from the edge 62 of the platen cover 20, when the platen cover 20 is opened, a level difference is formed between the upper surface of the original platen 20 and the entrance 66 of the read part 22 and an original 70 placed on the platen cover 20 abuts on an original abutting part 72. Therefore, the original 70 is prevented from being undesirably guided to the read part 22, and trouble that the mode is undesirably switched to a facsimile mode is prevented from being caused.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite recording device,
In particular, it relates to a composite recording device 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 type,
The facsimile original reading unit is a platen cover (original cover) that holds the originals on the side of the main body of the apparatus or the copy original reading unit.
It was generally installed on top of.

[0003]

In the prior art, since the facsimile original reading section is provided on the side surface of the apparatus main body or on the platen cover, the size of the entire apparatus is increased, which is against 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 made compact and lightweight.

[0004]

SUMMARY OF THE INVENTION The present invention includes a housing, a platen glass disposed on an upper portion of the housing, and a first original reading for analog-processing image data read from a first original placed on the platen glass. Part, a platen cover that is openably mounted above the housing and holds the first document placed on the platen glass, and image data read from the second document that is provided above the housing and independent of the platen cover. And a prohibition unit that prohibits the second document reading unit from guiding the second document 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 step guides the document placed on the platen cover to the second document reading section. Is prohibited. Therefore, the document sensor for detecting the document and switching to the second document reading mode has the second document sensor.
Even if it is provided at the entrance of the document reading unit, there is no problem that the mode is switched to the second document reading mode undesirably. A shutter or the like that is closed when the platen cover is opened may be used as the prohibition unit that prohibits the document from being guided to the second document reading unit.

[0006]

According to the present invention, since the second document reading section is provided above the housing independently of the platen cover, the overall size and weight of the apparatus can be reduced. In addition, it is possible to prevent undesired switching to the second original reading mode, so that it is possible to prevent deterioration in operability.

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

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A composite recording apparatus 10 of this embodiment shown in FIGS. 1 and 2 includes a housing 12 which is divided and opened in a clamshell system with a hinge portion 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. In addition, above the analog document reading unit 18, that is, the upper housing 12
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 document 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 an original document (not shown) mounted on the platen glass 26, and an exposure lamp 28 are used for exposure. A plurality of reflecting mirrors 32, a variable power lens 34, and the like for guiding the reflected light from the produced document to the photoconductor 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 periphery of the charger, a charging charger 36 for uniformly charging the photoconductor 30 in the rotation direction (arrow direction),
A light emitting element 38 driven based on image data received by a transmission / reception circuit 88 described later, a developing device 40 for attaching toner to an electrostatic latent image formed on the outer surface of the photoconductor 30,
Transfer charger 42 for transferring an image (toner image) to a sheet (not shown) supplied to photoconductor 30, photoconductor 30
A cleaning device 44 for removing the toner remaining on the top and a static eliminator 46 for removing the residual charge are arranged in this order.

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

The paper feed unit 16 includes a paper feed tray 50 that is detachably mounted, and the recording paper is stored in the paper feed tray 50. Above the end of the paper feed tray 50, the paper feed roller 52
Is provided, and the recording paper in the paper feed tray 50 is carried out by the paper feed roller 52. The recording paper carried out by the paper feed roller 52 is fed to the paper feed path 54 and the registration roller 48.
After that, the image is transferred to the photoconductor 30 and the image is transferred by the transfer charger 42. Then, the recording paper on which the image is transferred is supplied to the fixing device 56, and after the image is fixed, the recording paper is discharged onto the paper discharge tray 58.

Referring to FIG. 3, the platen cover 20 is
It has a function of holding an original placed on the platen glass 26 (FIG. 2) and a function of blocking ambient light and a function of guiding a facsimile original to the facsimile original reading unit 22, and a hinge is provided on the upper surface of the upper housing 12b. Part 6
It can be opened and closed via 0. Hinge 60
Is provided at a position separated from the edge 62 of the platen cover 20 by a predetermined distance. A pair of left and right paper guides 64 are 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, which will be 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 original reading section 22 includes a fixed case 68 fixed to the upper part of the upper housing 12b. At the end of the fixed case 68, when the platen cover 20 is opened, a document 70 placed on the platen cover 20 is placed.
An original contact portion 72 with which (FIG. 5) abuts is formed, and on the upper portion of the fixed case 68, a separation pad 74, pinch rollers 75a and 75b, etc. are provided. An upper cover 76 is attached to the upper side of the fixed case 68 so as to be openable and closable. It is provided. As the reading head 84, for example, one having an LED for irradiating the original with light and a CCD sensor array for receiving the reflected light from the original 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 original reading unit 22 (not shown). The transmitter / receiver circuit 88 amplifies 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 and the like for controlling them.

At the time of facsimile transmission, the hopper 112
Place the original on (Fig. 3) or press the Mode key 1
By operating 07, the mode is switched to the facsimile mode (facsimile original reading mode). When the facsimile mode is automatically set by setting the original, the ten key 108
The facsimile transmission is started by operating the speed dial key to specify the destination and pressing the 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 in the hopper 112 and the ten key 10
8 (may be a speed dial key) is operated to specify the destination and the start key 110 is pressed to start facsimile transmission.

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

On the other hand, when a call is received from another facsimile device or the like, a predetermined line connection procedure is executed by the NCU 98 to establish a line connection with another facsimile device or the like, and then another facsimile device or the like. To 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 into image data by the decoding circuit 100, and then 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 the stored data a plurality of times and transmitting it to a plurality of different destinations, or transmitting at a designated time. And a function of temporarily storing in RAM 102 the received data received from another facsimile device during the copying operation, and outputting the 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 transmitter / receiver. According to this example,
Since the facsimile document reading unit 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. In addition, since the hinge portion 60 that supports the platen cover 20 is provided at a position that is separated from the edge 62 of the platen cover 20 by a predetermined distance, when the platen cover 20 is opened, as shown in FIG. 5, for example, A step is formed 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 is brought into contact with the document contacting portion 72. Therefore, the original 70 is not undesirably guided to the facsimile original reading unit 22, and the problem of undesirably switching to the facsimile mode does not occur.

In the above-mentioned embodiment, the hinge portion 60 is located above the end surface 62 of the platen cover 20 in the upper housing 1.
The hinge portion 60 is provided on the center side of the upper surface of the platen cover 2b, as shown in FIG. 6, for example.
It may be provided closer to the peripheral edge side of the upper housing 12b than the edge 62 of 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 original document is formed. Is prohibited from being guided, but instead of this, a shutter (not shown) that is closed when the platen cover 20 is opened.
May be prohibited from being guided by, for example, providing the entrance 66.

[Brief description of 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 original reading unit.

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

FIG. 5 is an illustrative view showing a state in which 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 section 16 ... Paper feeding section 18 ... Analog original reading section 20 ... Platen cover 22 ... Facsimile original reading section 60 ... Hinge section 72 ... Original contact section 78 ... Original sensor

Claims (1)

[Claims] 1. A housing, a first manuscript reading unit including a platen glass disposed on an upper portion of the housing, for analog-processing image data read from a first manuscript placed on the platen glass, and an upper part of the housing. A platen cover attached to the platen glass for holding the first document placed on the platen glass, and provided above the housing independently of the platen cover to read 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 guiding the second document when the platen cover is opened.