JPH0787271A - Fax machine - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a facsimile device capable of transmitting or copying both sides of a document with a single operation. [Structure] A reading unit 1 for reading an original 14 sent in
6 and a document 14 of which one side is read by this reading means
Document feeding means 1 for feeding the document to the reading means with the front and back reversed.
7, 18, 19, 20 and the document feeding means 17, 1
The data reversing means for reversing the reading order of the data read by the reading means 16 on the other surface of the document 14 sent to the reading means 16 at 8, 19, and 20 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile apparatus for transmitting and copying both front and back sides of a document with a single operation.

[0002]

2. Description of the Related Art In a conventional facsimile apparatus, an original is read on one side only.

[0003]

Therefore, when transmitting or copying both the front and back sides of a document, first, for example, the front side of the document is transmitted or copied, and the next operation transmits the back side of the document. A similar operation such as copying is repeated twice, which makes the operation troublesome.

It is an object of the present invention to solve the above-mentioned drawbacks and to provide a facsimile apparatus capable of transmitting or copying both sides of a document with a single operation.

[0005]

SUMMARY OF THE INVENTION In a facsimile apparatus of the present invention, a reading means for reading a sent original and an original whose one side is read by the reading means are turned upside down. And a data inverting means for inverting the reading order of the data read by the reading means on the other surface of the original sent by the document feeding means to the reading means. ing.

[0006]

According to the above construction, the original whose one side is read by the reading means is sent to the reading means again with its front and back reversed so that the other side of the original is read. At that time, the reading of the other surface is opposite to the character arrangement direction. Therefore, the order of the read data is inverted by the data inverting means and converted into the normal order. With such a configuration, it is possible to realize a facsimile device that reads the front and back of a document with a single operation.

[0007]

[Embodiment] An embodiment of the present invention will now be described by taking the case of transmitting read data as an example.

FIG. 1 is a block diagram showing the outline of the present invention.
Is a casing that constitutes the facsimile apparatus of the present invention. An operation panel 12 is arranged on the top of the housing 11, and a plurality of switches (not shown) are provided on the operation panel 12. One of them is a double-sided reading switch that is operated when reading both sides of a document. Further, 13 is a document table, and a document 14 having both sides printed, for example, is placed on the document table 13.
In this case, the data on both sides of the original is to be transmitted, and the double-sided reading switch is set to ON so as to perform the reading operation on both sides of the original.

The original 14 placed on the original table 13 descends along the inclination of the original table 13 and moves to the rotary roller 15. Then, the rotation of the rotation roller 15 causes the rotation roller 15 to feed the interior of the housing 11. At that time, for example, the front side 14a of the document 14 facing downward in the drawing is read by the reading device 16. The document 14 whose front side 14a is read is further fed in the direction of arrow Y by the forward / reverse rotation roller 17. At this time,
The forward / reverse rotation roller 17 is rotating in the A direction in the figure.

Next, the document 14 is rotated by the document reversing roller 18, the front side 14a and the back side 14b of the document 14 are reversed, and the back side 14b of the document 14 faces downward in the drawing. Also,
The direction of travel also changes to the right. And the rotating roller 1
It is sent to the forward / reverse rotation roller 17 portion by 9, 20.
Note that the document detection sensor 21 is provided near the rotary roller 19.
Is provided.

The original detection sensor 21 detects whether or not one original has passed. When the double-sided reading switch is ON when the passage of an original is detected, the rotation of the forward / reverse rotation roller 17 is reversed. Clockwise (direction A) to clockwise (B
Direction). Therefore, the document is sent to the reading device 16 by the forward / reverse rotation roller 17 that rotates in the B direction, and the back side 14b of the document 14 is read.

By the way, when the back side 14b of the original 14 is read, when the front side of the original 14 is read, the front side and the back side are reversed, so the reading is performed in the direction opposite to the arrangement direction of the characters printed on the original. Be seen. Further, the document 14 whose back side 14b has been read is sent out of the housing 11 through the discharge port 22. A document presence / absence sensor 23 is disposed near the discharge port 22 inside the housing 11, and the document presence / absence sensor 23
It is confirmed whether the original 14 has completely passed through. When the document presence / absence sensor 23 confirms the passage of the document, it is determined that the reading of one document is completed. Then, the next original is sent to the reading device 16 by the rotating roller, and the above-described operation is repeated.

Reference numeral 24 denotes a thermal paper wound in a roll shape, which is sent to a printing unit 25 and printed when a document is sent from another facsimile device. Then, it is sent out from the discharge port 26.

By the way, since the reading direction of the manuscript is fixed in the reading device 16, when the back side of the manuscript is read even when the arrangement of the characters constituting the text of the manuscript is, for example, left to right. It reads in the opposite direction from right to left. Therefore, it is necessary to change the direction of the data read from the back side of the document to the reverse direction.

The operation of converting the read data in the opposite direction will be described with reference to FIG.

For example, the characters on the back side of the document are shown in FIG.
It is assumed that the printing is performed from the left to the right, that is, a, b, c ... X, y, z. Note that a, b, c ... x,
It is assumed that y and z correspond to the smallest one reading unit. In such a case, the reading device 16 is shown in FIG.
Read in the opposite direction like z, y, x ... c, b, a. Therefore, the contents read as shown in FIG. 2B are converted into those shown in FIG.
It will be converted into the order as shown in (a).

Here, an operation procedure for converting the read contents in the opposite direction will be described with reference to the flow chart of FIG.

First, the final address of the memory for recording the contents of the original read for one reading line is set (step 31). Further, the address of the buffer memory for recording the contents of the recorded original in the reverse order is set (step 32). Then, the read document contents are recorded in the memory set in step 31 (step 33). At this time, the read original contents are recorded in units of, for example, 8 bits (z to s, ..., H to a) as shown in FIG.

Next, bit exchange of the document contents recorded in step 33 is performed (step 34). The bit exchange is performed in units of 8 bits as in the case where the content of the document is recorded. For example, the first 8 bits (z,
..., s) is read and the order is reversed by bit exchange,
(S, ..., Z). Then, (s, ..., Z) is recorded in the last line of the buffer memory. Such bit exchange is sequentially performed in units of 8 bits, and is recorded in the address of the buffer memory set in step 32 as shown in FIG. 4B (step 35). When bits are exchanged in units of 8 bits, the recording address (FIG. 4a) of the document content recorded in step 33 is incremented by 1 (step 36), and the address of the buffer memory to which this is transferred is 1 in order. Each is decremented (step 37), and the arrangement order is converted.

It is judged whether or not the above operation is completed for one line (step 38), and if not completed, the operations from step 34 to step 37 are repeated until one line is completed. Also, if it is determined that one line has ended, for the next line,
The operations from step 31 to step 38 are performed.

By the above-mentioned operation, the reading direction is changed with respect to the reading of the back surface of the original.

Next, the operation for transmitting the data on both sides of the original will be described with reference to FIG. First, data calling is instructed (step 51). Then, the communication mode and the like are determined (step 52) and transmission is performed (step 5).
3). At this time, for the back side of the document, the direction is changed with respect to the content of the read document. The details of step 53 will be described later.

Next, the end of transmission is confirmed (step 5).
4) It is determined whether there is the next original (step 5).
5) If there is the next original, step 53 and step 5
4 is repeated. If it is determined in step 55 that there is no next original, the line is disconnected (step 56).

Details of step 53 of FIG. 5 for transmitting will be described with reference to FIG.

One line of the original to be transmitted is read (step 61). Then, it is judged whether the reading is on the back side of the document (step 62). If the original is the back side, the reading direction is converted as described above (step 63) and then encoded (step 6).
4). If the original is a front side, the read content is encoded as it is (step 64).

Then, the encoded data is transmitted (step 65). With the above operation, it is judged whether or not one page of the manuscript is finished (step 66). If not, step 61 to step 6 until one page is finished.
5 is repeated. When it is determined in step 66 that one page has been completed, it is determined whether the double-sided reading switch is set to ON (step 67). In the case of double-sided reading, the process returns to step 61 and the back side is read. At this time, it is determined in step 62 whether or not it is the back side of the document, and in step 63, the reading direction is converted.

According to the structure described above, even when data on both sides of a document is sent, both sides of the document can be sent by one operation of turning on the double-sided reading switch. Therefore, it is not necessary to manually turn over the original, which saves time and effort. Further, in the case of the content in which the front and back sides of the document are connected, the front and back sides of the document are continuously sent, so that the continuity of the data content is maintained. In the above embodiment, an example of transmitting the read data has been described, but the same applies to copying both sides of the document.

[0028]

According to the present invention, the operation for sending the data printed on both sides of the original becomes simple.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention.

FIG. 2 is a diagram illustrating the present invention.

FIG. 3 is a flow diagram illustrating the present invention.

FIG. 4 is a diagram illustrating the present invention.

FIG. 5 is a flow diagram illustrating the present invention.

FIG. 6 is a flow diagram illustrating the present invention.

[Explanation of Codes] 11 ... Casing 12 ... Operation Panel 13 ... Original Plate 14 ... Originals 15, 19, 20 ... Rotating Roller 16 ... Reading Device 17 ... Forward / Reverse Roller 18 ... Reverse Roller 21 ... Original Detection Sensor 22, 26 ... Ejection port 23 ... Document presence / absence sensor 24 ... Thermal paper 25 ... Printing section

Claims (1)

[Claims] 1. A reading unit for reading a document, a document feeding unit for feeding a document whose one side is read by the reading unit to the reading unit with its front and back reversed, and the reading unit by the document feeding unit. And a data reversing unit for reversing the reading order of the data read by the reading unit on the other surface of the original sent to the facsimile apparatus.