JPH0766959A - Facsimile equipment - Google Patents

Abstract

PURPOSE:To provide the facsimile equipment reducing its communication time. CONSTITUTION:An original read means 1 reads original paper in advance and sends the read signal and the content is stored in a line data storage means 7 at a sender side and a receiver side as line data being ruled line information. In the usual transmission reception, a communication data selection means 6 of the sender side generate data from data of an original while excluding the line data of the original and sends the result and a document re- configuration means 8 adds the line data stored in the line data storage means in advance at the receiver side to reproduce original data and a print means 4 prints out the data. Furthermore, the original paper is provided with a sheet mark used to sort the type of the paper and a correction mark to detect and correct a tilt of the original paper caused at the transmission.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to reduction of transmission time of a facsimile machine.

[0002]

2. Description of the Related Art In recent years, facsimile machines for transmitting and receiving images and documents via telephone lines have been widely used, but the time required for communication is a problem.

A conventional facsimile machine will be described below with reference to the drawings. FIG. 6 is a block diagram showing the configuration of a conventional facsimile apparatus. In the figure, 1 is a document reading means for reading data to be transmitted, 2 is a facsimile means for performing facsimile communication, 3 is a line interface means for closing a telephone line, 4 is a printing means for printing received data, and 5 is a whole apparatus. It is a control means for controlling the operation.

The mutual relationship and operation of the above-mentioned components will be described. FIG. 7 is a flowchart showing the operation of the conventional facsimile apparatus. First, the operation during transmission will be described. In step 1, the image data transmitted by the document reading means 1 is read. Since the read image data cannot be transmitted as it is, in step 2, the image data is converted by the facsimile means 2 into a voice signal for placing on the telephone line, and the process proceeds to step 3 to transmit the voice signal by the line interface means 3. To do.

On the receiving side which receives the data converted into the voice signal, first, in step 4, the line interface means 3 receives the voice signal, and the process proceeds to step 5, where the facsimile means 2 converts the voice signal into image data. After conversion, in step 6, the image data is printed by the printing means 4.

[0006]

However, such a conventional facsimile apparatus has a problem that when a document having many ruled lines such as a document sheet is transmitted, it takes a long time to transmit because of a large amount of line information. .

The present invention solves the above problems, and an object of the present invention is to provide a facsimile apparatus capable of transmitting an original having a lot of line information in a short time.

[0008]

In order to achieve the above-mentioned object, the present invention has a document reading unit for reading a transmission document, a communication data selecting unit for creating data excluding ruled line information from the read document, and a facsimile. Facsimile means for communication, line data storage means for storing ruled line information in advance, document reconstruction means for adding the ruled line information to received data, and data reconstructed by the document reconstruction means Printing means, a line interface means for connecting the telephone line and the facsimile means, and a control means for controlling the operation of the entire apparatus. Only the ruled line information of the original paper used for the transmission original is transmitted in advance and the receiving side. Are stored in the line data storage means, and in normal transmission / reception, on the transmission side, the transmission data is sorted by the communication data selection means from the transmitted document. Creates and sends data excluding the information, the receiving side is a facsimile apparatus designed to reproduce the original by adding ruled-line information in the received data by the document reconstruction means.

[0009]

According to the present invention, in the above structure, the original document sheet is read in advance by the original document reading means and the data is transmitted / received as the line data which is the ruled line information before the original document is transmitted / received. The line data is stored in the line data storage means. In normal transmission / reception, the sending side creates data by removing the line data from the original data using the communication data selection means, and sends it, and the receiving side adds the previously stored line data to the received data to copy the original. Reproduce and print.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the facsimile apparatus of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of this embodiment. The same components as those of the conventional example shown in FIG. 6 are assigned the same reference numerals and detailed explanations thereof are omitted. In the figure, the present embodiment is different from the conventional example in that a communication data selecting means 6, a line data storing means 7, and a document reconstructing means 8 are provided. The communication data selecting means 6 is a means for selecting line data from the image data at the time of transmission, the line data storing means 7 is a means for storing the line data, and the document reconstructing means 8 is for receiving the communication data and the line data at the time of reception. It is a means for reconstructing image data by combining them.

The mutual relationship and operation of the above components will be described below. (1) Operation of storing line data This operation is an operation of reading a document on which ruled lines are drawn and creating line data. In order to create line data, the sender and the receiver have the same promise for reading. That is, as shown in FIG. 4, a mark for distinguishing line data (hereinafter referred to as a sheet mark), and FIG.
As shown in, a mark (hereinafter referred to as a correction mark) for detecting and correcting the inclination of the document is provided. In this embodiment, an example using two types of sheet marks and a shift correction mark will be described. The above-mentioned sheet mark is composed of a start point and a sheet point, and a document is distinguished by the distance between the start point and the sheet point. Further, the misalignment correction mark is composed of the vertical point 1 and the vertical point 2, and the horizontal point 1 and the horizontal point 2, and the relative position difference between the vertical point 1 and the vertical point 2 The inclination of the original is corrected by the positional difference between the originals.

The operation of creating line data will be described below. FIG. 2 is a flowchart showing the operation of this embodiment. In step 1, the document reading means reads one line of the document, and the process proceeds to step 2 to check the start point. If the start point is found, the process proceeds to step 3, the distance between the start point and the seat point is obtained, and the process proceeds to step 4 to check whether the distance is 1 or not.
If it is 2, it is the original 1, and if it is 2, it is moved to step 6 and it is the original 2, and in either case, it is step 1.
Return to and read the next line.

Since the start point cannot be found on this line, the process moves to step 7 to check the vertical point. When the vertical point is found, the process proceeds to step 8 to check whether the vertical point is detected for the first time,
If it is the first time, the process proceeds to step 9, the number of bits from the left of the document is set to y1, and the process returns to step 1 to read the next line.

Since no vertical point is found on this line, the process moves to step 11 to check the horizontal point. When the horizontal point is found, the process moves to step 12 to check whether the horizontal point is detected for the first time,
If it is the first time, the process proceeds to step 13, the number of bits from the left of the horizontal point document is set to x1, the process returns to step 1 and the next line is read. Even if it is the second time, the process proceeds to step 14, the number of bits from the left of the document is set to x2, the process returns to step 1 to read the next line.

If the next line, which is neither a vertical point nor a horizontal point, is read, step 15
In, the line data is temporarily stored in the communication data selection means 6, and the process returns to step 1 to read the next line.

The above operation is repeated until the next vertical point is found. When the reading of the line data is completed and the second vertical point is found in step 7, the process proceeds to step 10, the number of bits from the left of the document is set to y2, and the process proceeds to step 16.

In step 16, in order to correct the line data temporarily stored in the communication data selection means 6, the correction angle = (absolute value of the difference between the vertical point 1 and the vertical point 2).
/ (Absolute value of the difference between horizontal point 1 and horizontal point 2),
That is, (tan θ = | x2-x1 | / | y2-y1
|) Is calculated, the process proceeds to step 17, and the deviation of the line data of each line is corrected based on the above value, and step 1
8, the corrected data is stored in the line data storage means 7.

If the memory capacity of the line data storage means 7 is sufficient, a large number of line data can be registered.

(2) Operation in Actual Communication The operation when transmitting and receiving a transmission document such as a document using the above line data will be described below. FIG. 3 is a flowchart showing the transmission / reception operation of this embodiment. Note that the original reading operation on the transmitting side is the same as the operation from step 1 to step 17 of the flowchart shown in FIG. 2, and the description from step 1 to step 17 is omitted in FIG. The document data whose inclination has been corrected at the stage of step 17 is temporarily stored in the communication data selection means 6. The document data whose inclination has been corrected at the stage of step 17 is temporarily stored in the communication data selection means 6. In step 18 ', the exclusive OR of the original data and the line data stored in the line data storage means 7 is calculated to create subtraction data, and the process proceeds to step 19 to output the data to the facsimile means 2. ,Send. In this case, the operation of converting the image data into an audio signal and transmitting the audio signal on the transmitting side and the operation of printing the image data on the receiving side are the same as in the conventional example.

If manuscript data is received, step 20
In step S21, the data from the facsimile unit 2, that is, the subtraction data sent from the transmitting side is received, the process proceeds to step 21, and the document reconstructing unit 8 receives the received data and the line stored in the line data storage unit. Combined data is created by taking the logical sum with the data, and in step 22, the combined data is output to the printing means 4 and printed.
The received original obtained in this way is the same as the transmitted original,
Since the transmission data for the line data is not transmitted, the amount of transmission data is reduced and the transmission time is shortened.

As described above, according to this embodiment, the data of the original paper used for the transmission original is transmitted in advance, and the line data is stored in the line data storage means on the receiving side. On the sending side, the communication data selection means creates data by subtracting line data from the transmitted document, and the data is sent by the facsimile means. On the receiving side, the document reconstructing means adds the line data to the received data to draw ruled lines. By reproducing the original document provided with and printing it by the printing means, the amount of transmission data can be reduced, so that the transmission time can be shortened. In addition, when the line data is transmitted and received in advance, accurate line data is stored for a large number of document sheets by using sheet marks that can distinguish a plurality of document sheets and correction marks that correct the inclination of the document. be able to.

[0023]

As is apparent from the above description, according to the present invention, the original document reading means for reading the transmitted original document, the communication data selecting means for creating the data excluding the ruled line information from the read original document, and the facsimile communication are performed. Facsimile means, line data storage means for storing ruled line information in advance, document reconstructing means for adding the ruled line information to received data, and printing means for printing the data reconstructed by the document reconstructing means A line interface means for connecting the telephone line and the facsimile means, and a control means for controlling the operation of the entire apparatus. Only the ruled line information of the original sheet used for the transmission original is transmitted in advance and the line data is received by the receiving side. It is stored in the storage means, and in normal transmission / reception, the transmission side removes ruled line information from the transmission original by the communication data selection means. By creating and transmitting data, the receiving side adds the ruled line information to the received data by the document reconstructing means to reproduce the original, thereby reducing the data amount of the transmitted data by the line data, Transmission and reception time can be shortened.

[Brief description of drawings]

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

FIG. 2 is a flowchart showing an operation of reading line data in the embodiment of the facsimile apparatus of the present invention.

FIG. 3 is a partial flowchart showing an operation of transmitting and receiving a document in an embodiment of the facsimile apparatus of the present invention.

FIG. 4 is a pattern diagram showing sheet marks of a document sheet used for transmitting and receiving line data in an embodiment of the facsimile apparatus of the present invention.

FIG. 5 is a pattern diagram showing correction marks on a document sheet used for transmitting and receiving line data in an embodiment of the facsimile apparatus of the present invention.

FIG. 6 is a block diagram showing the configuration of a conventional facsimile device.

FIG. 7 is a flowchart showing a transmission / reception operation of a conventional facsimile device.

[Explanation of symbols]

 1 Document Reading Means 2 Facsimile Means 3 Line Interface Means 4 Printing Means 5 Control Means 6 Communication Data Sorting Means 7 Line Data Storage Means 8 Document Reconstructing Means

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical indication H04N 1/387

Claims (3)

[Claims] 1. A document reading unit for reading a transmitted document, a communication data selecting unit for creating data from the read document without ruled line information, a facsimile unit for performing facsimile communication, and a line for preliminarily storing ruled line information. A data storage unit, a document reconstructing unit that adds the ruled line information to the received data, a printing unit that prints the data reconstructed by the document reconstructing unit, and a line that connects the telephone line and the facsimile unit. An interface means and a control means for controlling the operation of the entire apparatus are provided. Only the ruled line information of the document sheet used for the transmission document is previously transmitted and stored in the line data storage means on the receiving side, and in normal transmission / reception, On the sending side, the communication data selecting means creates data without the ruled line information from the original to be sent, and on the receiving side, the document is sent. A facsimile apparatus in which ruled line information is added to received data by a reconstructing unit to reproduce a document. 2. A line for transmitting and receiving ruled line information of a manuscript paper, which includes a sheet mark for distinguishing the kind of the manuscript paper and a correction mark for detecting and correcting a tilt of the manuscript paper occurring at the time of transmission. The facsimile apparatus according to claim 1, wherein the facsimile is stored in a data storage means. 3. A correction for detecting an inclination of a document sheet based on a relative position between a sheet mark for discriminating the type of the document sheet based on a space between two horizontal marks and a relative position between the two horizontal marks and the two vertical marks. The facsimile apparatus according to claim 1 or 2, wherein line data is transmitted and received by a manuscript sheet having a mark.