KR930001269B1 - Fax device - Google Patents

Abstract

The device for facsimile transmitting and receiving comprises a latch (36) pivoting on a pin (36'), a means (A) for pivoting the latch (36), a combination roller (35) for transmitting and receiving and for moving up and down by the latch (36), a means (B) for rotating the combination roller (35), feeding guide plates (46)(47) for feeding original paper and recording paper up and down, a contact image sensor (32) and a thermal print head (42) in contact position of the guide plates (46)(47) with the combination roller (35) respectively, an original paper sensor (31), a recording paper sensor (44) and a cutter (43) for cutting the recording paper.

Description

Fax receiver

1 is a front view of a transmitter of a conventional fax.

2 is a front view of a receiver of a conventional fax.

3 and 4 are front views showing the configuration of a facsimile transceiver according to the present invention, and FIG. 3 is a front view of a transmitting state.

4 is a front view of a state of receiving.

5 is a flow chart of the facsimile according to the present invention.

* Explanation of symbols for main parts of the drawings

31: Original sensor 32: Contact image sensor

33: drive motor 33a: drive gear

34: idler gear 35: dual transmission and reception roller

36: latch 36a: long hole

36 ': shaft pin 37: solenoid for transmission

38: Solenoid for reception 39: Auxiliary gear for transmission

40: receiving auxiliary gear 41: recording paper

42: thermal print head 43: cutter

44: recording sensor 46,47: upper and lower transfer guide board

The present invention relates to a facsimile transmission and reception device, which is installed to rotate the transmission and reception roller up and down by a latch, and the contact image sensor and the thermal print head are installed on the upper and lower portions of the transmission and reception roller, The present invention relates to a fax machine transmitting and receiving device which rotates a transmission / reception roller for up and down so as to transmit and receive a document and a recording sheet by rotating the transmission / reception roller.

The conventional fax transmission unit is an automatic document feeding sensor (1) for detecting the presence or absence of a document as shown in FIG. 1, an automatic paper feeder (2) and an automatic paper feed roller (3) for automatically feeding an original, Idle gears (4), (6), (10) and (12) to help drive the rollers, a feed roller (5) and a pinch roller (5 ') to feed the document, and a tip sensor to detect the leading edge of the document. (7), a trans meeting roller (8) for reading the original, a contact image sensor (CIS) 9, and a drive attached to the transmission motor for driving the rollers And a gear 11, a discharge roller 13 and a pinch roller 13 'for discharging the original.

Also, as shown in FIG. 2, the receiving unit includes a recording sheet guide tube 14, a recording sheet 15, a thermal print head 17 for recording, a head roller 16, and rollers. It consists of a drive gear 19 attached to the receiving motor for driving, an idle gear 18, 21, a cutter 20, a discharge roller 22 and a pinch roller 22 'for document ejection. do.

In the conventional facsimile as described above, when the original is placed between the automatic feed rubber 2 and the automatic feed roller 3, the automatic feed sensor 1 senses and the transmission motor is driven.

As a result, the automatic feed roller 3 rotates by a gear train, and the document is conveyed, continues to be fed by the feed roller 5 and the pinch roller 5 ', and passes through the tip sensor 7. As the sensor 9 is turned on, original reading starts.

When the reading of the document is finished, the contact image sensor 9 turns off the transmission motor and ends the operation.

In the case of reception, the recording paper 15 is recorded while passing between the head roller 16 and the thermal print head 17, and when the recording is completed, the recording paper 15 is cut by the cutter 20, and the eject controller 22 and the touch roller 22 Discharged by ').

As described above, in the related art, a structure for driving a plurality of rollers is complicated, making it difficult to miniaturize, simplify, lighten, and reduce the size of the fax. In addition, since a transmission drive motor and a reception drive motor are required, two motors must be used, the structure becomes more complicated and heavy, and the cost of the product increases.

The present invention has been made in order to solve the above-mentioned conventional defects, and installed so that the transmission and reception rollers can be rotated up and down by a latch, and the transmission and reception rollers to contact the upper and lower parts of the combined transmission and reception rollers By installing the contact image sensor and the thermal print head at the position where it can be transmitted, it is possible to transmit / receive the rollers up and down by sending / receiving the documents and recording paper by the rotational force of the rollers. The main purpose is to provide a transceiver of the facsimile machine that can be miniaturized, simplified, lightweight and inexpensive.

Another object of the present invention is to provide a transceiver of a facsimile machine that can further reduce the size, simplicity, light weight and cost of the product by driving the transmission and reception roller as a single drive motor during transmission and reception.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

3 and 4 are front views respectively showing a state of transmitting and receiving a configuration of a facsimile transceiver according to the present invention. As shown in FIG. And a latch 36 rotating around the latch 36, a latch rotation means A for rotating the latch 36, and a transmission / reception coupled to the front end of the latch 36 to be rotated up and down by the latch 36. The dual-purpose roller 35, the transmitting / receiving roller rotating means B for rotating the transmitting / receiving combined roller 35, and the transmitting / receiving dual-purpose roller 35 are disposed so as to be positioned above and below the document and the recording paper, respectively. The upper and lower transfer guide plates 46 and 47 for guiding the transfer of the upper and lower transfer guide plates 46 and 47, respectively, are installed at positions at which the transmitting and receiving rollers 35 are in contact with the middle portions of the upper and lower transfer guide plates 46 and 47, respectively. Original image contact image sensor (32) and recording thermal print It is installed on the head 42, the upper conveying guide plate 46 to the rear of the contact image sensor 32, and the thermal sensor on the lower conveying guide plate (4 7) and the document sensor 31 for detecting the presence of the document; The recording head sensor 44 is provided so as to be located in front of the print head 42 and guides the transfer of the recording paper. The cutter 43 is provided at the front of the recording paper sensor 44 to cut the recording paper.

In addition, the transmission auxiliary gear 39 and the reception auxiliary gear 40 for supporting the transmission and reception roller 35 to rotate in a fixed position are provided on one side of the upper and lower sides of the dual transmission and reception roller 35, respectively. The shaft 35 ′ of the dual-purpose transmission / reception roller 35 is inserted into the long hole 36a formed at the front end of the latch 36 so that the stop position can be adjusted while the dual-use transmission / reception roller 35 moves up and down. It is supposed to be.

In addition, the latch rotation means (A) is composed of a receiving solenoid (36) and a transmission solenoid (37) installed at the upper and lower portions of the latch (36). To engage with the drive motor 33, the drive gear 33a attached to the shaft of the drive motor 33, and the driven gear 35a formed on one side of the drive gear 33a and the dual-purpose transmission / reception roller 35; The idler gear 34 is installed.

45 shows the document transfer path, and 45 'shows the paper transfer path.

The transmission / reception combined roller 35, the drive gear 33a, and the idle gear 34 are installed between the upper and lower transfer guide plates 46 and 47, and the latch 36 is also the upper and lower transfer guide plate 46. It is provided between the 47, the upper portion of the latch 36, the receiving solenoid 37, the lower portion is provided with the transmitting solenoid 38.

The contact image sensor 32 and the thermal print head 42 are respectively installed on the upper and lower portions of the upper and lower transfer guide plates 46 and 47, and the dual-purpose transmission / reception roller 35 is a transmission / reception solenoid ( 37) (38) moves up and down while moving upward, and moves the document moving on the upper transfer guide plate 46 to the contact image sensor 32, and when moved downward, the lower transfer guide plate 47 The recording sheet 41, which moves on the sheet, is contacted with the thermal print head 42.

The document sensor 31 is installed to be located behind the contact image sensor 32, and the recording paper sensor 44 is installed to be located in front of the thermal print head 42, and the cutter 43 at the front thereof. Is installed.

5 is an operation sequence of the facsimile transceiver according to the present invention with reference to the operation of the present invention as follows.

First, in the case of transmission, when the user selects the transmission mode, the solenoid 27 is turned on by the control of the microcomputer. Then, the latch 36 rotates in the clockwise direction about the shaft pin 36 ', and thus the transmission / reception roller 35 may move upward to reach the transmission auxiliary gear 39 and transmit as shown in FIG. It is done.

Then, when the document sensor 31 is turned on, that is, the document is placed, the drive motor 33 drives the drive gear 33a counterclockwise while turning on the contact image sensor 32.

Then, the power is transmitted to the transmission / reception roller 35 by the idle gear 34, and the transmission / reception roller 35 rotates in the counterclockwise direction (solid line arrow direction shown) to convey the document forward.

The document is read by the contact image sensor 32 while moving forward, and when the end passes through the document sensor 31, the document sensor 31 is turned off, and when the document sensor 31 is turned off, the document is placed on the upper feed guide plate 46. The drive motor 33 is driven until it moves further by x, and then the drive motor 33 is turned off.

Then, the transmission solenoid 37 is turned off to complete the transmission.

And, in the case of reception, as shown in FIG. 4, the reception solenoid 38 is turned on to push the latch 36. Accordingly, the latch 36 rotates counterclockwise about the shaft pin 36 'and accordingly. Transmitting and receiving roller 35 is moved to the lower side to reach the receiving auxiliary gear 40 is to be able to receive.

Then, by the driving force of the drive motor 33, the drive gear 33a is rotated counterclockwise (in the direction of the dotted arrow). At this time, the tip of the recording paper 41 is in the position of the cutter 43 and is rearward by the transmitting / receiving roller 35 which receives power from the driving gear 33a via the idle gear 44, that is, the thermal print head 42. Is transferred to).

In this manner, when the tip of the recording sheet 41 passes the recording sheet sensor 44, the recording sheet sensor 44 is turned off, and when the recording sheet sensor 44 is turned off, the driving motor 33 is once stopped. At this time, since the tip of the recording paper 41 is located immediately behind the recording paper sensor 44, it is possible to prevent waste of the recording paper by the distance y from the cutter 43 to the recording paper sensor 44.

Then, when the thermal print head 42 is operated and the drive motor 33 is driven to drive the drive gear 33a in the clockwise direction (solid arrow direction shown), the power is transmitted and received by the idle gear 34. The transfer roller 35 is transmitted to the combined roller 35 and the transfer roller 35 transmits the recording sheet 41 forward while rotating clockwise, and the thermal print head 42 records.

When recording continues and a signal of end of page comes from the transmit group, the drive motor 33 moves the recording paper by z, which is the distance from the cutter 43 to the recording line of the thermal printhead 42. ) Is further driven and then stopped.

Then, the cutter 43 is operated to cut the recording sheet 41, the receiving solenoid 38 is turned off, and then reception is completed.

The facsimile transmitting and receiving device according to the present invention as described above is installed so that the transmission and reception roller to rotate up and down by a latch, the contact image sensor in the position where the transmission and reception dual roller can be in contact with the upper and lower parts of the dual transmission and reception roller And thermal print head, it is possible to send and receive rollers up and down when sending and receiving, and to transmit and receive documents and recording paper by the rotational force of the rollers for sending and receiving. There is an advantage that can be reduced.

In addition, the present invention has the advantage that the product can be further miniaturized, simplified, lightweight and inexpensive because it is configured to drive the transmission and reception roller as a single drive motor during transmission and reception.

Claims (5)

A latch 36 that rotates about an axis 36 ', a latch rotation means A that rotates the latch 36, and a front end of the latch 36 are coupled to each other by the latch 36. It is installed so as to be positioned up and down with the transmission and reception roller 35 rotating downward, the transmission and reception roller rotating means B for rotating the transmission and reception roller 35 and the transmission and reception roller 35 therebetween. And the upper and lower conveyance guide plates 46 and 47 for guiding the transport of the document and the recording paper, respectively, and the dual-transmitter / receiver roller 35 contacting the middle portions of the upper and lower conveyance guide plates 46 and 47, respectively. The document sensor 32 and the thermal print head 42 which are respectively installed at the position, and the upper sensor guide plate 46 to be located behind the contact image sensor 32 to detect the presence of the document ( 31) and the lower transfer guide plate 47 is installed so as to be located in front of the thermal print head 42. Transmission and reception of the facsimile apparatus, characterized by consisting of a sensor and the recording sheet 44 to detect the transfer fingers, cutter (43) for the recording paper is installed in the front portion of the sensor 44, the cut recording sheet. The facsimile transmitting and receiving device according to claim 1, wherein said latch rotating means (A) is a receiving solenoid (36) and a transmitting solenoid (37) provided above and below the latch (36). According to claim 1, wherein the transmission and reception roller rotating means (B) is one drive motor 33, a drive gear (33a) fixed to the shaft of the drive motor 33, and the drive gear (33a) and Fax machine, characterized in that consisting of the idle gear (34) which is installed to engage the driven gear (35a) formed on one side of the transmission and reception roller (35). The transmission auxiliary gear (39) and the reception auxiliary gear (40) for supporting the transmission / reception roller (35) to rotate in a right position on one side of the transmission / reception light roller (35). A fax transceiver. The long hole 36a is formed at the front end of the latch 36, and the shaft 35 'of the dual-purpose roller 35 is inserted into the long hole 36a of the latch 36. A fax transceiver.

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