JPH10215371A - Image data communication equipment and image data communication method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide image data communication equipment that transmits image data in a form ease to see at all times even when a recording paper size of a receiver side is larger or smaller than an original size of a transmitter side and to provide the image data communication equipment that prints out the received image data in a form easy to see. SOLUTION: Information of a recording paper size to be printed is received from a receiver side prior to transmission of image data, in the case that a size of recording paper at the receiver side differs from a size of an original, after the data are magnified or reduced by conforming with recording paper size at the receiver side when the original is read to be read, the resulting data are transmitted. When the image data are magnified variably in advance and transmitted, the receiver image data are printed out without variable magnification and when not, the received image data are magnified or reduced to be printed out.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image data communication apparatus such as a facsimile apparatus or a copying machine having a facsimile function, and more particularly to a function of changing the size of image data to be transmitted in accordance with the size of recording paper on the receiving side. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image data communication device having a function of printing received image data by enlarging or reducing it according to the size of a recording sheet.

[0002]

2. Description of the Related Art In a conventional facsimile apparatus, image data can be transmitted from a transmission side to a reception side in an easy-to-view form even when the recording paper size on the reception side is smaller than the document size on the transmission side. (Japanese Unexamined Patent Publication No. 6-326)
No. 850).

[0003]

However, in the above-described conventional facsimile apparatus, when the recording paper size on the receiving side is smaller than the original document size on the transmitting side, for example, when the original document size on the transmitting side is B4 and the maximum recording paper size on the receiving side is large. If the size is A4, it can be handled by automatically reducing the size of the image data from B4 to A4. However, since there is no function of enlarging the image data, the minimum recording paper size on the receiving side is the size of the original on the transmitting side. If it is larger, the received image may be printed in a hard-to-see form, for example, a received image is formed at a biased position on the recording paper. In particular, in recent years, the transition from B-series paper to A-series paper has been progressing. For example, if the size of the original document on the transmitting side is B4 and the maximum paper size on the receiving side is A3, A3
Is printed in B4 size on the recording paper. An object of the present invention is to solve the above-mentioned drawbacks of the conventional technology, and to provide an image in a form that is easy to see from the transmission side to the reception side regardless of whether the recording paper size on the reception side is larger or smaller than the document size on the transmission side. Image data communication device capable of transmitting data and image data communication method, and image data communication capable of printing received image data in an easy-to-view form even when the image data is not transmitted according to the receiving paper size It is to provide a device.

[0004]

According to an aspect of the present invention, there is provided an image data communication apparatus for reading an image on a document and transmitting the read image data. Before receiving the information on the size of the recording paper to be printed from the receiving side, if the size of the recording paper on the receiving side is different from the size of the original to be sent, It is configured to perform transmission after reading after being enlarged or reduced, so that it can be easily viewed from the transmission side to the reception side regardless of whether the recording paper size on the reception side is larger or smaller than the document size on the transmission side. Image data can be sent in the form. According to a second aspect of the present invention, in the image data communication method of reading an image on a document and transmitting the read image data, information of a recording paper size to be printed is received from a receiving side prior to transmission of the image data. If the size of the recording paper on the receiving side is different from the size of the original to be transmitted, the original is read after being enlarged or reduced according to the size of the recording paper on the receiving side when reading the original. Thus, the image data can be transmitted from the transmission side to the reception side in an easy-to-read form regardless of whether the recording paper size on the reception side is larger or smaller than the original document size on the transmission side. According to the third aspect of the present invention, in an image data communication apparatus for reading an image on a document, transmitting the read image data, and printing the received image data on a recording paper, the image data communication apparatus prints the image data on a facsimile apparatus on the transmission side. The function to send the information of the recording paper size to be received and the information of the recording paper size to be printed from the receiving side before transmitting the image data, and the size of the recording paper of the receiving side is different from the size of the original to be transmitted Is characterized by having a function of enlarging or reducing the original according to the size of the recording paper on the receiving side when reading the original.

According to the third aspect of the present invention, the information of the size of the recording paper to be printed is notified from the receiving side to the transmitting side, so that the size of the recording sheet on the receiving side is small even when the size of the original is larger than the size of the original on the transmitting side. Also in this case, the image data can be transmitted from the transmission side to the reception side in an easily viewable form.

According to a fourth aspect of the present invention, in an image data communication apparatus for printing received image data on a recording sheet, if the image data is transmitted after being scaled in advance, the received image data is changed. When the image data is not transmitted after being printed without scaling, the received image data is enlarged or reduced to print. Even when a function of transmitting image data at a variable size according to the paper size is not provided, it is possible to print the image data received from the transmission side in an easily viewable form. Claim 5
The image data communication apparatus according to claim 4, further comprising a function of notifying a transmitting side of information of a recording paper size to be printed, and a function of notifying the transmitting side of the information of a recording paper size to be printed. When the information is notified to the transmission side and the image data is enlarged or reduced in advance according to the recording paper size and transmitted on the transmission side, and the transmission is not possible, the image data received from the transmission side is reduced to the recording paper size. By configuring so that it is enlarged or reduced in accordance with the printing, even if the transmitting side has the function of transmitting the image data by scaling the image data according to the recording paper size information from the receiving side, Even if it is not, the received image data can be printed in an easy-to-view format.

[0007]

Embodiments of the present invention will be described below. FIG. 1 is a configuration block diagram showing an example of an embodiment of a facsimile apparatus according to the present invention. As shown in the figure, the facsimile apparatus 100 has a control unit 1 for managing and controlling the entire apparatus according to a built-in program, a keyboard for an operator to give an instruction to the facsimile apparatus, and a facsimile apparatus for giving a message to the operator. An operation display unit 2 comprising display means for displaying an image, a page memory (RAM) 3 for temporarily storing image information and the like in page units, a scanner 4 for reading an image on a document, an image information compression having an enlargement / reduction function A reproducing unit (hereinafter, referred to as DCR) 5, a plotter 6 for outputting received image information decoded by the DCR 5 via a page memory 3, and an image information storage unit (SAF) including a nonvolatile memory and a large-capacity hard disk. 7, a communication control unit (hereinafter, referred to as CCU) for performing facsimile transmission and reception according to the G3 transmission control procedure Modem 9 consisting of modems and high-speed modem, and a like. In the facsimile apparatus 100 configured as described above, the document data (received document) received through the communication line is decoded by the modem 9,
After being sent to DCR5 through CU8 and reproduced,
The image data is developed on the page memory 3 as image data for one page. The image data developed on the page memory 3 is
The data is printed by the plotter 6 or transferred to a host device such as a computer via an interface (I / F) not shown. On the other hand, the image data read by the scanner 4 is developed on the page memory 3 and the DCR
After the image is compressed at 5, the data is sent to the modem 9 through the CCU 8, encoded and sent to the communication line.

FIG. 2 shows a transmission control procedure performed between the facsimile machine 100 and the receiving facsimile machine at the time of facsimile transmission. First, the calling side (transmitting facsimile machine) transmits a calling signal (CNG signal). The called side (the receiving facsimile machine) receives the CNG signal and returns a called terminal identification signal (CED signal) when the line is connected. Subsequently, the called side transmits a non-standard function identification signal (NSF signal), a called terminal identification signal (CSI signal) and a digital identification signal (DIS signal) to the calling side. At this time, the NSF signal or DIS signal is used to transmit information such as the functions of the receiving terminal, for example, the transmitting / receiving function, terminal constant, the minimum transmission time of one line of the receiver, the data signal speed, and the maximum paper width of the recording paper. Is transmitted to the facsimile apparatus 100. The calling party
When the DIS signal is received, a digital command signal (DCS signal) is transmitted, whereby transmission on the calling side and reception on the called side are determined.
F signal) is transmitted. Upon receiving the TCF signal, the called side sends a reception preparation confirmation signal (CFR signal) to the calling side to send the FA to the calling side.
Prompt transmission of X data (PIX signal). Caller is CFR
When the signal is received, a TCF signal is transmitted, and then a PIX signal is transmitted to perform facsimile transmission. When the transmission of the PIX signal, that is, the FAX data is completed, the calling side transmits a procedure end signal (EOP signal) to the called side to notify the end of the facsimile transmission. The called side that has received the EOP signal transmits an acknowledgment signal (MCF signal) to the calling side. Calling party is MCF
When the signal is received, a disconnection command (a DNC signal) is transmitted to disconnect the line and terminate the facsimile transmission operation.

Hereinafter, the operation of the embodiment of the present invention will be described with reference to FIG.
A description will be given according to the flowcharts shown in FIGS. FIG. 3A is an operation flow of the transmission-side facsimile apparatus, and FIG. 3B is an operation flow of the reception-side facsimile apparatus. The facsimile apparatus on the transmitting side transmits a CNG signal when a start button is pressed after a document is set and a destination terminal number is input. The receiving-side facsimile apparatus receives the CNG signal, returns a CED signal when the line is connected, and then carries scaling information table information for associating which size of image data is to be printed on which size of recording paper. The NSF signal is transmitted. The transmitting side analyzes the received NSF signal, checks whether or not the transmission is a magnification transmission designation, and if so, acquires and stores a magnification information table from the NSF signal (S10).
1). Next, the transmitting side detects the size of the original to be transmitted (S102), and when the magnification transmission is designated (Yes in S103).
s) A magnification size (magnification ratio) associated with the detected document size is obtained from the magnification information table (S104).
The image on the document is read by the scanner 1 at the scaling factor obtained from the scaling information table, and the page memory 8 is read in page units.
(S105). Then, the image data is read from the page memory 8 in page units, encoded by the DCR 9, and transmitted (S106).

If the transmission is not a variable-size transmission designation (S103)
No), normal reading, that is, the scanner 1 at the same magnification
After reading the image on the document (S197), the document is transmitted (S108). Thereafter, the above steps S102 to S
107 is repeated, and when the transmission of the original of the last page is completed (Yes in S108), the facsimile transmission ends. On the other hand, the receiving side receives a DC
The NSS signal notified in place of the S signal is analyzed, and it is checked whether or not the transmission side performs variable-size transmission (S202).
Then, when the transmission side performs variable-size transmission (S202
Yes), the image data is directly composited by the DCR 9 and developed on the page memory 8, and the plotter 2 prints the image data on the recording paper of the same size as the image data on the page memory 8 (S).
206). On the other hand, if the transmission side does not transmit the resized image (No in S202), it is determined whether or not the resized output is necessary according to the size information of the image data and the resized information table, that is, the size of the transmitted image data is satisfied. It is checked whether or not the recording paper is set (S203). If it is necessary to change the size of the image data to match the size of the recording paper (Yes in S203), the magnification is obtained (S20).
4) At the same time that the image data is decoded by the DCR 9, the data is scaled by the calculated magnification, the scaled data is created on the page memory 8, and the data is printed by the plotter 2 (S 20).
5).

As described above, in this embodiment, prior to the transmission of image data, information on the size of the recording paper to be printed (NSF signal) is received from the receiving side, and the size of the recording paper on the receiving side is the original to be transmitted. If the size is different,
After reading the original, the original is read after being enlarged or reduced in accordance with the recording paper size of the receiving side (S103 to S10).
5) Since the transmission is performed, the image data can be transmitted from the transmission side to the reception side in an easy-to-view form regardless of whether the recording paper size on the reception side is larger or smaller than the document size on the transmission side. Further, when the image data is transmitted before being scaled on the transmission side, the received image data is printed without scaling (Yes in S202 → S206), and the image data is not scaled and transmitted. In some cases (No in S202), the received image data is enlarged or reduced and printed (S204 → S205), so that the transmission side changes the image data in accordance with the recording paper size of the reception side. Even when the transmission function is not provided, the image data received from the transmission side can be printed in an easily viewable form.

[0012]

In summary, according to the present invention, the following excellent effects can be exhibited. In the image data communication apparatus according to the present invention, information on a recording paper size to be printed is received from a receiving side prior to transmission of image data, and if the size of the recording paper on the receiving side is different from the size of a document to be transmitted, When reading the original, the transmission is performed after the original is read after being enlarged or reduced according to the size of the recording paper on the receiving side. Therefore, even if the recording paper size on the receiving side is larger than the original size on the transmitting side, the size is small. Also in this case, the image data can be transmitted from the transmission side to the reception side in an easily viewable form. Further, according to the image data communication method of the present invention, prior to the transmission of the image data, information on the size of the recording paper to be printed is received from the receiving side, and the size of the recording paper on the receiving side is different from the size of the original to be transmitted. When reading the original, the original is enlarged and reduced according to the size of the recording paper on the receiving side and then transmitted, so if the recording paper size on the receiving side is larger than the original size on the transmitting side, Even when the size is small, the image data can be transmitted from the transmitting side to the receiving side in an easily viewable form.

In the image data communication apparatus according to the third aspect, a function of transmitting information of a recording paper size to be printed to the facsimile apparatus on the transmission side, and a function of transmitting the information of the recording paper size to be printed from the reception side prior to transmission of the image data. When receiving the information and the size of the recording paper on the receiving side is different from the size of the original to be transmitted, a function to read the original by enlarging or reducing it to match the size of the recording paper on the receiving side when reading the original. With this arrangement, the image data can be transmitted from the transmission side to the reception side in an easy-to-view form regardless of whether the recording paper size is larger or smaller than the original size on the transmission side. Further, in the image data communication apparatus according to the present invention, when the image data is transmitted after being scaled in advance, the received image data is printed without scaling, and the image data is not scaled and transmitted. In some cases, the received image data is enlarged or reduced and printed, so even if the sending side does not have the function to transmit the image data by scaling it to the receiving paper size, The image data received from the user can be printed in an easily viewable form.

Further, the image data communication apparatus according to claim 5 is
In addition to the fourth aspect, a function is provided for notifying the transmitting side of the information on the recording paper size to be printed, and when the information on the recording paper size to be printed can be notified to the transmitting side, the information is notified to the transmitting side and transmitted If the image data is enlarged or reduced in advance according to the recording paper size and transmitted,
Since the image data received from the transmission side is configured to be enlarged or reduced according to the size of the recording paper and printed, the transmission side performs scaling on the image data according to the information of the recording paper size from the reception side. The received image data can be printed in an easy-to-view form, regardless of whether or not it has a transmission function.

[Brief description of the drawings]

FIG. 1 is a configuration block diagram showing an example of an embodiment of a facsimile apparatus according to the present invention.

FIG. 2 is an explanatory diagram of a transmission control procedure of the embodiment of the facsimile apparatus according to the present invention.

FIG. 3A is a flowchart on the transmitting side in the embodiment of the facsimile apparatus according to the present invention, and FIG. 3B is a flowchart on the receiving side in the embodiment of the facsimile apparatus according to the present invention.

[Explanation of symbols]

100 facsimile machine, 1 control unit, 2 operation display unit, 3 page memory 4 scanner (read unit capable of enlargement / reduction reading), 5 DCR (image information compression / reproduction unit with enlargement / reduction function), 6 plotter (printing) Part), 7
SAF (image information storage unit), 8 CCU (communication control unit), 9 modem.

Claims (5)

[Claims] An image data communication apparatus for reading an image on a document and transmitting the read image data receives recording paper size information to be printed from a receiving side prior to transmission of the image data. When the size of the original is different from the size of the original to be transmitted, the original is read after being enlarged or reduced in accordance with the size of the recording sheet on the receiving side and then transmitted. Image data communication device. 2. An image data communication method for reading an image on a document and transmitting the read image data, comprising: receiving information on a recording paper size to be printed from a receiving side prior to transmitting the image data; If the size of the original is different from the size of the original to be transmitted, the original is read after being enlarged or reduced according to the recording paper size of the receiving side when the original is read, and then transmitted. Data communication method. 3. An image data communication device for reading an image on a document, transmitting the read image data, and printing the received image data on a recording paper, wherein information on a recording paper size to be printed on a facsimile device on the transmission side is provided. Before receiving the image data, receiving the information of the recording paper size to be printed from the receiving side before transmitting the image data, and if the receiving paper size is different from the size of the original to be transmitted, An image data communication device comprising: a function of performing reading while enlarging or reducing according to a recording sheet size of a receiving side at the time of reading. 4. An image data communication apparatus for printing received image data on a recording paper, wherein the image data is printed without being scaled when the image data is transmitted after being scaled in advance. An image data communication apparatus configured to enlarge or reduce received image data and print it when the image data is not transmitted after being scaled. 5. A function for notifying the transmitting side of the information of the recording paper size to be printed, and when the information of the recording paper size to be printed can be notified to the transmitting side, the information is notified to the transmitting side, and the transmitting side is notified. The image data is enlarged or reduced in advance according to the size of the recording paper and transmitted, and when notification is not possible, the image data received from the transmitting side is enlarged or reduced according to the size of the recording paper and printed. The image data communication device according to claim 4, wherein: