JPS6057783B2 - Image information reading control method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an image information reading control method, and more particularly to an image information reading control method for controlling the end position of reading a document on a transmitting side, which is suitable for a facsimile machine that employs a pre-cut method.

In a facsimile machine that uses the pre-cut method, when the sender sends image information to the receiver, the sender instructs the receiver about the size of the document paper set in the sender's reading device, and the receiver then uses the instructions to The received paper, which has been pre-cut to a predetermined size, is set in the recording device.
In a facsimile machine that uses such a pre-cut method, the conventional image information reading control method for controlling the reading of the original on the sending side is such that when the reading of one sheet of original paper set in the reading device is completed, the position The scanner detects the original paper that is set in the reading device and ejects the original paper at high speed, and at the same time quickly sets the next new original paper to shorten the time required to eject and set the original paper, and to prevent transmission from being interrupted as much as possible. Performed reading control.

For this reason, in the conventional image information reading control method, the sending side sets original paper of a predetermined size in the reading device, and the receiving side sets receiving paper of the same size as the original paper based on instructions from the sending side. There is no problem with this, but
If the sender's instructions to the receiver's side are incorrect, or if the receiver's paper is set in a smaller size than the original paper due to an error in setting the receiver's paper, or if the sender's paper size is smaller than the original paper, As a matter of course, the portion to be recorded is to be recorded on the received paper, and a problem arises when a manuscript paper larger than the received size is intentionally set.

In other words, if the size of the original paper is larger than the received paper, even though the receiving side has completed recording on one received paper, the sending side does not finish reading the original and the document is not recorded on the received paper. This means reading useless image information and continuing meaningless transmission. As a result, while meaningless document scanning is performed on the sending side, the next new document sheet cannot be set, and the processing time required to transmit a series of documents is long, and transmission costs such as telephone charges are incurred. The disadvantage was that it was wasted. The present invention eliminates the drawbacks of the conventional image information reading control method, and provides a plan that reduces transmission processing time and transmission costs without unnecessary transmission of image information on the transmitting side. The purpose is to provide an information reading and processing method.

In order to achieve this objective, the present invention detects when the original reading scanning position reaches a specified size length corresponding to the received paper size and completes recording on one received paper set on the receiving side. The present invention is characterized in that reading and scanning of the sending side original paper is completed at this point.

Embodiments of the present invention will be described below with reference to the drawings.

The figure shows the control circuit on the transmitting side. 1 is a frequency dividing circuit that divides the basic clock A, and responds to the reading scan start/stop control signal G of "1" input from the system controller (not shown). A drive pulse 8 is generated to perform a predetermined sub-scanning feed, and a high-speed drive pulse 8 is generated to eject the recording paper at high speed in response to a coincidence detection signal D, which will be described later. occurs.

These driving pulses B are applied to the pulse motor drive circuit 2 to drive the pulse motor to sub-scan the document paper at a predetermined speed, thereby moving the document paper or the scanner by a predetermined amount in the sub-scanning direction at a predetermined speed. . 3 is a counting circuit, which is reset by a reset signal C generated before the document is set in the reading device and the reading scan is started, and then when the reading scan is started, the amount of movement in the sub-scanning direction is calculated. , 8 drive pulses are counted, and then the counting is stopped by the match output signal D from the comparator circuit 4. be.

The comparison circuit 4 calculates the count value E of the counting circuit 3 and the specified size length F indicating the original reading end position corresponding to the received paper size.
When the count value E matches the designated size length F, a match output signal D is generated.

Next, explain its operation? .

First, when setting the original paper in the reading device, the receiving side is informed of its size and the receiving paper size is designated.

When the original can be read, a reset signal C is applied from a system controller (not shown) to the counting circuit 3, and the count is reset to zero.

Then, the reading scan start/stop control signal G becomes "1", and the frequency dividing circuit 1 generates drive pulse 8 for performing a predetermined sub-scanning feed. This drive pulse 2 is input to the drive circuit 2 to drive the pulse motor, and is also input to the counting circuit 3.

The counting circuit 3 counts the drive pulses B1 to memorize the sub-scanning direction reading position.

Normally, the reading scan start/stop control signal (G) is generated from a system controller (not shown), and repeats the "1" and "0" states depending on the image information transmission status, etc. Sub-scanning feed is performed intermittently by controlling the generation and stop of generation.

Continuing to read and scan the original, the reading sub-scanning position on the original paper is at a predetermined position (i.e., the original sub-scanning position corresponding to the recording end position in the sub-scanning direction of the receiving paper set on the receiving side).
When the count value E of the counting circuit 3 reaches the specified size length F
, and a coincidence detection signal D is generated.

This coincidence detection signal D is applied to the counting circuit 3 to stop the counting operation and hold the value, while also applied to the frequency dividing circuit 1 to switch the drive pulse 8 to the high speed drive pulse 8 and eject the manuscript paper at high speed. .

At the same time, this coincidence detection signal D is also applied to a system controller (not shown) as a reading end signal,
If there is a document to be read next, preparations are made for reading it; if there is no document to be read next, an operation to finish reading is performed.

In this way, when the document reading scanning position reaches the specified size length position set according to the size of the received paper,
Even if a document continues after that, the document reading scan ends automatically.

By the way, the specified size length F may be set and stored on the sending side at the same time as specifying the size of the received paper to the receiving side when setting the original paper in the reading device, or Alternatively, the size of the receiving paper set on the receiving side may be notified to the sending side, and the designated size length F may be set and stored automatically or manually.

If the specified size length F is set on the sending side and the size instructed on the receiving side is set and memorized, even if the sending side accidentally or intentionally sets a manuscript paper larger than the specified size length, When the sub-scanning position of the document reaches the designated size length, the reading scan of the document automatically ends, and further wasteful reading scans can be prevented.

Also, based on the instruction from the receiving side, the specified size length F is
In other words, if settings are stored according to the size of the received paper, even if the sending side mistakenly or intentionally sets a manuscript paper larger than the specified length, the receiving side will Even if a receiving paper smaller than the size length is set, the original scanning end position is determined by the receiving paper size in either case, and wasteful reading scanning can be prevented.

In addition, even if the specified size length F is set and memorized using any of the above methods, if the original paper size is smaller than the received paper size, the original reading scan will reach the reading end position for one sheet of original paper as before. Needless to say, it will continue until then. In the above embodiment, the counting circuit and the comparing circuit are used, but it is of course possible to use a microcomputer. As described above, according to the present invention, when the original reading scanning position reaches the specified size length corresponding to the receiving paper size, the original reading scanning is ended, so that the original paper set on the sending side Even if the document size is larger than the receiving paper set on the receiving side, the reading scan of the original paper on the sending side ends when the recording on one receiving paper is completed, and further unnecessary scanning is performed. Since there is no need for transmission, transmission costs are saved, and wasted processing time is eliminated, resulting in faster processing.

[Brief explanation of drawings]

The figure is a block configuration diagram of a transmitting side control circuit applied to the image information reading control method of the present invention. 1... Frequency dividing circuit, 2... Pulse motor drive circuit, 3... Counting circuit, 4... Comparison circuit, A... Basic clock, B...
Drive pulse, C...Reset signal, D...
...Coincidence detection signal, E...Count value, F...
... Specified size length, G ... Read scanning start/stop control signal.

Claims (1)

[Claims] 1 In a facsimile machine in which a receiving paper of a predetermined size is set on the receiving side based on instructions from the sending side, the document reading scanning position in the sub-scanning direction on the sending side is determined by the size of the receiving paper set on the receiving side. An image information reading control method characterized in that the reading scan of the transmitting side manuscript paper is terminated by detecting that the document reading scanning position in the sub-scanning direction corresponding to the recording end position in the scanning direction has been reached.