JPH0937009A - Facsimile equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the recognition of an image on the reception side for an operator on the transmission side. SOLUTION: When ability such as paper width or line density is received from the reception side to the transmission side, it is registered in a RAM 623 for each one easy step dial key. When any one easy step touch dial key is depressed and the ability on the reception side corresponding to that one easy step dial key is registered in the RAM 623, the ability on the reception side is displayed on a display part like reception width: A4 and reception density: 7×7.7. Next, when performing reduction transmission corresponding to original width detected by an original width sensor and the reception width on the reception side or performing transmission while reducing down the line density corresponding to picture quality (ordinary letter, small letter or fine letter) set through an operating part and the reception density, it is displayed on the display part and when a clear/stop key is depressed, the job is interrupted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile apparatus which changes transmission conditions such as the size and linear density of a transmission original according to the receiving capability of the receiver for transmission.

[0002]

2. Description of the Related Art Generally, in a facsimile apparatus of this type, for example, an A3 document is A4 size according to the receiving capability of the receiver side.
It is configured to reduce the size or change the document image data accumulated at a linear density of 400 dpi to 200 dpi and transmit the data.

[0003]

However, in the above-mentioned conventional facsimile apparatus, since the transmission condition is automatically changed according to the receiving capability of the receiver side, the image of the image quality and size not intended by the operator at the transmitting side is provided. Is received, and thus unnecessary transmission is performed.

In view of the above conventional problems, the present invention is a facsimile apparatus in which an operator on the transmitting side can recognize an image on the receiving side, and in turn, an image intended by the operator on the transmitting side can be transmitted to the receiving side. The purpose is to provide.

[0005]

In order to achieve the above-mentioned object, a first means is to store the receiving ability of the receiving side and the receiving ability of the receiving side stored in the storing means at the time of facsimile transmission. And a display means for displaying.

According to a second means, in the first means, the storage width is stored in the storage means as the receiving capability of the receiving side,
It is characterized in that the display means displays that the transmission original is reduced and transmitted based on the transmission original width and the reception width of the receiving side stored in the storage means.

In a third means, in the first and second means, the storage means stores a linear density as a receiving capability on the receiving side, and the display means stores the linear density of a transmission original and the storage means. It is characterized in that the linear density of the transmission original is reduced based on the received linear density of the receiving side and the fact that the original is transmitted is displayed.

The fourth means is characterized by further comprising printout means for printing out a communication management report indicating the receiving capability of the receiving side stored in the storage means in the first to third means. .

The fifth means is further provided with a printout means for printing out a report indicating the receiving ability of the receiving side stored in the storage means in the first to fourth means for each receiving side. And

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a main part of a composite digital copying machine as one embodiment of a facsimile apparatus according to the present invention, FIG. 2 is a block diagram showing the composite digital copying machine of FIG. 1, and FIG. 3 is a composite drawing of FIG. 4 is a block diagram showing the overall configuration of the digital copying machine, FIG. 4 is an explanatory diagram showing the operating section of FIG. 3, FIG. 5 is a block diagram showing the image processing circuit of the composite digital copying machine of FIG. 1, and FIG. 6 is a facsimile communication procedure. FIG. 7 is a flow chart for explaining the operation at the time of one-touch dial transmission, FIG. 8 is an explanatory view showing the receiving width and line density display screen on the receiving side, and FIG. 9 is a display screen at the time of reduced transmission. FIG. 10 is an explanatory diagram showing a communication management report, and FIG. 11 is an explanatory diagram showing a one-touch dial list.

First, the structure of a composite digital copying machine to which the facsimile apparatus of the present invention is applied will be described with reference to FIG. The mechanism of this apparatus is roughly illustrated as follows: a copying machine main body 1, an automatic document feeder (ADF) 100, and a 3-bin sorter 200.
And a paper feeding unit (bank) 300.

The ADF 100 feeds the originals at the time of copying or FAX transmission, which are stacked on the original feed table 101, one by one onto the contact glass 10 on the side of the copying machine main body 1 and, after reading the image, on the discharge tray 105. It is configured to be ejected. The document on the document feed table 101 is aligned in the width direction by a side roller (not shown), separated from the lowermost document by a feed roller 102, fed, and fed onto the contact glass 10 by a transport belt 103. Paper. After the reading of the original on the contact glass 10 is completed, the conveyance belt 103 and the paper ejection rollers 104
05 is discharged.

When reading both sides of the original, the original on the original feeding table 101 is separated from the lowermost original by the paper feed roller 102 and fed, and the conveying belt 103 moves the original on the contact glass 10. After passing, it is reversed by the reversing claw 106, is fed again onto the contact glass 10, and the back surface is read. Next, the contact glass 10
After the reading of the back surface is completed, the upper document is conveyed by the conveyance belt 103 and inverted by the reversing claw 106, fed again onto the contact glass 10, and the front surface is read.
Then, after the front side reading is completed, the document
The sheet is discharged onto a sheet discharge tray 105 by a sheet discharge roller 104.

The copying machine main body 1 has a scanner, an image processing section, a plotter and the like for reading a document at the time of copying or FAX transmission. The scanner has a contact glass 10 for placing a document and an optical scanning system. The optical scanning system includes an exposure lamp 11, a first mirror 12, a second mirror 13, a third mirror 14, a lens 15, a full-color CCD 16, and the like. Have.

The exposure lamp 11 and the first mirror 12 are the first
The first carriage is mounted on the carriage and is moved in the sub-scanning direction at a constant speed by the stepping motor 605 (see FIG. 5) at the time of reading the original. The second mirror 13 and the third mirror 14 are mounted on a second carriage, and the second carriage is moved by a stepping motor 605 at half the speed of the first carriage when reading a document. The contact glass 1 is moved by the movement of the first and second carriages.
0 is optically scanned, and the lens 15
An image is formed on the light receiving surface of D16 and photoelectrically converted. In this case, the width of the document is determined by the document width sensor 1 provided on the scanner.
7 or a document width sensor 107 provided in the ADF 100.

The image signal separated into each color of red (R), green (G) and blue (B) by the full color CCD 16 is A / D converted by the image processing circuit shown in FIG. Various kinds of image processing are performed by the writing unit, and then the writing unit makes a copy on the recording paper at the time of copying.

The writing unit is the laser output unit 2
0, an f-θ lens 21 and a mirror 22, and the laser output unit 20 is a laser diode (L
D) 614 (see FIG. 5), and a polygon mirror and a polygon motor (not shown). Laser output unit 20
From the image read by the scanner at the time of copying,
Further, at the time of FAX reception, a laser beam of a black signal modulated according to the image received from the other party is emitted,
The latent image is formed thereon. Around the photoconductor 30, a black developing device 32, an LED writing unit 31 for writing a red signal image, a second red developing device 33, a transfer device and a separator (not shown), and the like are arranged. The upper toner image is recorded on the paper.

The paper is a double-sided unit 40 in the main body 1 of the copying machine.
And the first tray 50 and a pair of rollers of the feed roller 42 and the separation roller 43, respectively, selectively from one of the second tray 310, the third tray 320, and the fourth tray 330 in the sheet feeding unit 300; Paper is fed by the device 51, the second paper feeding device 311, the third paper feeding device 321, and the fourth paper feeding device 331. Duplex unit 40 and first tray 50
The sheet fed from the second tray 310 and the third tray 32 is transported upward by the vertical transport unit 60.
The paper fed from the 0th and fourth trays 330 is transported upward by the bank vertical transport unit 340 and the vertical transport unit 60.

Then, after a lapse of a predetermined time after the leading edge of the sheet is detected by the registration sensor 52, the sheet hits the registration roller 53 and is temporarily stopped.
GATE), the toner image is conveyed by the registration roller 53, and the toner image on the photoconductor 30 is transferred. Next, after the sheet is separated from the photoconductor 30, the sheet is conveyed by the conveying device 54, and the toner image is fixed by the fixing device 55. The fixed paper is switched between the one-sided printing and the two-sided printing by the switching claw 57 and the discharge roller 56 by the 3-bin sorter 20.
It is discharged to 0.

On the other hand, the paper after the front surface printing in the double-sided printing is
The sheet is guided to the two-sided conveyance path 41 by the switching claw 57, is inverted by the feed roller 42 and the separation roller 43, and is accumulated on the two-sided unit 40. The sheet on the duplex unit 40 comes into contact with the feed roller 42 by raising the tray, and is sent to the vertical transport unit 60 by the rotation of the feed roller 42 to form an image on the back surface.

The 3-bin sorter 200 includes the first paper discharge tray 20.
1, a second paper discharge tray 202, a third paper discharge tray 203, and a reversal tray 204;
Papers 01 to 203 can be discharged in any direction. The paper ejected from the copying machine main body 1 has a switching claw 20 in the case of front ejection in the 3-bin sorter 200.
7, and is guided upward by the second and third discharge trays 20.
2 and 203, the switching claw 20 is used.
When the sheets 5 and 206 are operated and the sheet is discharged to the first sheet discharge tray 201, the switching claws 205 and 206 are not operated together.

On the other hand, in the case of the back-side paper ejection, the paper is guided by the switching claw 207 in the direction of the transport roller 209 and ejected onto the reversing dedicated tray 204, and the rear end of the reversing detection sensor 2
When it is detected by 08, the conveyance roller 209 is reversed and is conveyed upward, and is discharged to one of the first to third discharge trays 201 to 203. The first discharge tray 201 is movable (shiftable) in the width direction of the paper (the direction orthogonal to the transport direction, that is, the direction orthogonal to the drawing) and the vertical direction of the sorter 200. Sorting is possible, and when moving vertically, a large amount of paper can be arranged.

Next, the overall configuration of the control system of this composite digital copying machine will be described with reference to FIG. The operation unit controller 500 is a liquid crystal of the operation unit 400 shown in FIG.
Display control and various key input controls, and the main controller 501 performs paper feed, conveyance, fixing, double-sided printing, process control, etc., and particularly, the entire width for displaying the receiving width and linear density on the receiver side during FAX transmission. Control.

The image processing controller 502 performs image control and scanner reading control based on the control of the main controller 501, and the ADF controller 503 performs AD control.
F100 is controlled. Sorter controller 504 is 3
The bin sorter 200 is controlled. The paper feed tray controller 505 controls the paper feed tray, and the FAX controller 506 manages FAX transmission / reception and files.
The G3 controller 507 performs G3 protocol control, and the G4 controller 508 performs G4 protocol control.

Next, the configuration of the operation unit 400 will be described with reference to FIG. At the center of the operation unit 400, a liquid crystal display unit (LCD) 401 of 400 × 256 dots and a touch panel overlaid thereon are provided. The LCD 401 selectively displays the copy function or the FAX function of this composite digital copying machine, and the user operates according to this display. One-touch dial screen 42 especially during fax transmission
0, a screen 421 for setting the image quality (linear density: normal character, small character, fine character) and the like can be displayed. The function switching key 4 is used to switch the display between the copy function and the FAX function.
12, 413.

On the right side of the LCD 401, a copy function and FA
Numeric keypad 402, clear / stop key 403, start key 404, program key 405, job recall key 406, mode clear /
Various keys such as a residual heat key 407 and an interrupt key 408,
Keys such as a pause / redial key 409, abbreviated key 410, and a reception key 411 dedicated to FAX are provided. Here, when the size and direction of the recording paper of the receiver of the other party are set, the program can be registered in the RAM 651 in the system controller 650 shown in FIG. 1 by calling the program with the program key 405.

On the left side of the LCD 401, the above-mentioned F
AX switch key 412 and copy switch key 413
And initial setting key 414, guidance key 415, LC
A D density adjustment volume 416 is provided. Further to the left of these keys, a display section 417 dedicated to FAX is provided, and on this display section 417, various LEDs indicating a memory full during FAX communication and 40 characters (2
An LCD for 0 characters × 2 lines) is provided. In particular, on the LCD of the display unit 417, it is displayed that the transmission document is reduced in size and transmitted when the transmission document width is larger than the reception width of the reception side at the time of FAX transmission. If the line density is smaller than the line density, a message indicating that the line density is to be reduced and then transmitted is displayed.

Next, the image processing circuit will be described with reference to FIG. First, the control will be described. CPU 6
00, ROM 601 and RAM 602 are provided in the image processing controller 502 shown in FIG.
00 gives a read instruction to the scanner control circuit 604 when there is a read instruction from the main controller 501. The scanner control circuit 604 turns on the exposure lamp 11 according to this instruction, moves the first and second carriages of the scanner to the reading reference position by operating the motor 605, and starts reading when the position sensor 603 detects this. . In this case, the scanner control circuit 60
Reference numeral 4 generates a sub-scanning effective period signal FGATE (active at the start of reading, inactive at the end of reading) and sends it to the timing control circuit 606.
6 is an image synchronization clock CLK and a main scanning synchronization signal LSYN
C and main scanning effective period signal LGATE are generated.

Next, the flow of images will be described. The original 607 at the time of copying or FAX transmission on the contact glass 10 is illuminated by the exposure lamp 11, and the reflected light is read by the color CCD 16. Then color CCD
The analog image signal separated into R, G, and B by 16 is amplified by the signal processing circuit 608 and the light amount is corrected,
It is converted into a digital image signal by the AD converter 609, is subjected to shading correction by the shading correction circuit 610, and is sent to the image processing unit 611.

The image processing unit 611 performs basic image quality processing such as MTF correction, γ correction, black image generation, color image generation, binary processing, and multi-value processing, and digital machine specific processing such as scaling, editing, and marker detection. Image processing is performed, and the black data DA
TA0-7 and the color data DATAC are selected by the selector 612.
Is output to The selector 612 also includes various timing signals generated by the timing control circuit 606,
The write reference signal PM from the black write control unit 613
SYNC is applied. At the time of copying, the selector 612 converts the black data DATA0 to DATA7 into the black write control unit 61.
3 is sent to the LD 614 and the color data DAT
AC is the color writing control unit 615 to the LED 616
To be copied.

On the other hand, at the time of FAX transmission, the black data DATA0 to DATA7 are transferred by the selector 612 to the FAX image memory 620 in the main controller 501 shown in FIG. Further, at the time of FAX reception, after the received data is demodulated and expanded from the line and expanded in the FAX image memory 620 in the main controller 501,
From the black write control unit 613 to L by the selector 612
It is sent to D614.

Next, the flow of images during FAX communication will be described with reference to FIG. At the time of FAX image storage / transmission, the black data DATA0 to DATA7 are transferred to the FAX image memory 6 in the main controller 501 by the selector 612.
20 and then compressed into a specified compression code (MH, MR, MMR) by the compression / expansion unit 622,
It is stored in the SAF memory 623 in the FAX controller 506. Here, if it is more efficient to transmit the image stored in the image memory 620 90 times like A4 landscape or B5 landscape and then transmit it, after rotating it by the rotator 621 before passing it to the compression / expansion unit 622. , And compression by the compression / expansion device 622.

The compressed data stored in the SAF memory 623 is transferred to the line buffer 624 in the G3 controller 507 during G3 transmission, recompressed by the compression / expansion unit 627 according to the mode of the receiving side, and modulated by the modem 625. , NCU (network control unit) 626 to the receiving side. Similarly, when sending G4,
The compressed data accumulated in the SAF memory 623 is transferred to the line buffer 628 in the G4 controller 508,
The data is recompressed by the compression / expansion unit 631 according to the mode of the receiving side and transmitted to the receiving side via the ISDN control unit 629 and the transformer 630.

At the time of FAX reception, the data sent from the transmission side from the line is NCU 626 (transformer 630), modem 625 (ISDN control unit 629), compression / expansion unit 62.
2 (compressor / decompressor 627) and line buffer 624 (line buffer 628) to store in the SAF memory 623. The compressed data stored in the SAF memory 623 is expanded by the compression / expansion unit 622 in the main controller 501 and expanded on the image memory 620.
In this case as well, if it is more efficient to transmit 90 rotations like A4 landscape and B5 landscape, the rotation is performed by the rotator 621. The data expanded on the image memory 620 is sent to the writing unit shown in FIG. 5 by the selector 612 and printing is performed.

Next, the communication protocol will be described with reference to FIG. When the CNG signal is transmitted from the transmission side to the reception side, the reception side transmits a CED (called terminal identification) signal, a DIS (digital identification) signal, and an NSF (non-standard function identification) signal to the transmission side. , Therefore this DI
The S / NSF signal notifies the transmitting side of the receiving side's capabilities such as paper width and line density. Next, when a DCS (digital command) signal and a training signal are transmitted from the transmitting side to the receiving side and then a CFR (reception preparation confirmation) signal is transmitted from the receiving side to the transmitting side, the transmitting side transmits to the receiving side. Image information is transmitted. Then E on the last page
When an OP (end of procedure) signal is transmitted and then a MCF (message confirmation) signal is transmitted from the receiving side to the transmitting side, a DCN (disconnect) signal is transmitted from the transmitting side to the receiving side.

As described above, when the transmitting side receives the receiving ability such as the paper width and the linear density from the receiving side, it is registered in the RAM 623 backed up by the battery 701 in the FAX controller 506 shown in FIG. Here, it is assumed that the capability on the receiving side is registered in correspondence with the one-touch dial key shown in FIG.

Next, the operation during one-touch dial transmission will be described with reference to FIG. If the one-touch dial key is pressed in step S1, the process proceeds to step S2 and subsequent steps, while if not pressed, the process proceeds to step S6 and subsequent steps. In step S2, it is determined whether or not the receiving side capability corresponding to the one-touch dial key is registered in the RAM 623. If YES, the process proceeds to step S3 and below, and if NO, the process proceeds to step S6 and below. .

In step S3, for example, as shown in FIG. 8, the reception capacity is displayed on the FAX-dedicated display unit 417 such as the reception width of the reception side: A4 and the reception density: 8 × 7.7 registered in the RAM 623. Next, the document width sensor 17 or 10
Reduced transmission according to the document width detected by 7 and the reception width on the receiving side, or the line density is reduced and transmitted according to the image quality (normal character, small character, fine character) and the reception density set via the operation unit 400. Whether or not to do (step S4),
In the case of YES, for example, as shown in FIG. 9, an alert such as “reduced transmission” is displayed on the display unit 417 (step S5) and the process proceeds to step S6 and below, while NO is given.
In the case of, the process directly proceeds to step S6 and thereafter.

In step S6, the start button 40
If 4 is not pressed, it is cleared in step S7 /
It is determined whether or not the job is interrupted by determining whether or not the stop key 403 is pressed, and if YES, this transmission process is ended. On the other hand, if the start button 404 is pressed in step S6, the transmission is started (step S8), and in the case of one-touch dial transmission, the reception capability of the receiving side obtained by the above-mentioned exchange of DIS / NCF signals is obtained. It is re-registered in the RAM 623 (steps S9 → S10), and then, as shown in FIG. 10, a communication management report indicating the receiving width and the character size of the receiving side is printed out (step S11).

Therefore, according to the above-described embodiment, since the paper width and the line density of the receiving side are displayed at the time of transmission, the transmitting side operator can recognize the size and resolution of the receiving side image. Therefore, for example, if the operator on the transmitting side determines that the resolution of the characters on the receiving side is poor, the transmission is stopped, and the characters on the original are thickened and transmitted to transmit the image intended by the operator to the receiving side. You can Further, as shown in FIG. 11, by printing out the one-touch dial list indicating the receiving width and the character size of the one-touch dial destination, the user can recognize the individual receiving ability of the one-touch dial destination.

[0041]

As described above, according to the first aspect of the invention, the receiving ability of the receiving side is stored and displayed at the time of facsimile transmission, so that the transmitting side operator can recognize the image of the receiving side. Therefore, the image intended by the operator on the transmitting side can be transmitted to the receiving side.

According to the second aspect of the present invention, the receiving width is stored as the receiving ability of the receiving side and is displayed at the time of facsimile transmission, so that the transmitting side operator can recognize the size of the receiving side image. As a result, the image of the size intended by the operator on the transmitting side can be transmitted to the receiving side.

According to the third aspect of the present invention, since the line density is stored as the receiving capability of the receiving side and displayed at the time of facsimile transmission, the operator on the transmitting side can recognize the linear density of the image on the receiving side. As a result, the image of the resolution intended by the operator on the transmitting side can be transmitted to the receiving side.

According to the fourth aspect of the present invention, since the communication management report indicating the receiving capability of the receiving side is printed out, the transmitting side operator can recognize the image of the receiving side, and eventually the transmitting side operator. The image intended by can be transmitted to the receiving side.

According to the fifth aspect of the present invention, since the report showing the receiving capability of the receiving side for each receiving side is printed out, the transmitting side operator can recognize the image of the receiving side for each receiving side. As a result, the image intended by the transmitting operator can be transmitted to the receiving side.

[Brief description of drawings]

FIG. 1 is a block diagram showing a main part of a compound digital copying machine as one embodiment of a facsimile apparatus according to the present invention.

FIG. 2 is a block diagram showing the composite digital copying machine of FIG.

3 is a block diagram showing an overall configuration of the composite digital copying machine of FIG.

FIG. 4 is an explanatory diagram showing an operation unit of FIG.

5 is a block diagram showing an image processing circuit of the composite digital copying machine of FIG. 1. FIG.

FIG. 6 is an explanatory diagram showing a facsimile communication procedure.

FIG. 7 is a flowchart for explaining an operation at the time of one-touch dial transmission.

FIG. 8 is an explanatory diagram showing a display screen of reception width and line density on the reception side.

FIG. 9 is an explanatory diagram showing a display screen during reduced transmission.

FIG. 10 is an explanatory diagram showing a communication management report.

FIG. 11 is an explanatory diagram showing a one-touch dial list.

[Explanation of symbols]

 417 display unit 501 main controller 506 FAX controller 611 image processing unit 621 rotator 700 RAM

Claims (5)

[Claims] 1. A facsimile apparatus comprising: storage means for storing the receiving ability of the receiving side; and display means for displaying the receiving ability of the receiving side stored in the storing means during facsimile transmission. 2. The storage unit stores a reception width as a reception capability of the reception side, and the display unit reduces the transmission document size based on the transmission document width and the reception side reception width stored in the storage unit. The facsimile apparatus according to claim 1, wherein the facsimile apparatus displays a message indicating that it is to be transmitted. 3. The storage unit stores a linear density as a receiving capacity of the receiving side, and the display unit displays the transmission original based on the linear density of the transmission original and the reception side linear density stored in the storage unit. The facsimile apparatus according to claim 1 or 2, wherein the facsimile apparatus displays a message indicating that the line density is reduced before transmission. 4. A printout unit for printing out a communication management report indicating the reception capability of the receiving side stored in the storage unit is further provided.
4. The facsimile apparatus according to any one of 3 to 3. 5. The printout means for printing out a report indicating the reception capability of the reception side stored in the storage means for each reception side, further comprising: a printout means. Fax machine.