KR930002194B1 - Fax-computer connecting device - Google Patents

Abstract

The apparatus for directly connecting the transmitter and receiver of a facsmile with a computer comprises two connection means (31,32) coupled with the transmitter and receiver of a facsmile, a switching means (33) for mutually switching two connection means, a control means (34) consisting of a microprocessor for controlling the processing sequence of the image information and coding the image information, a memory means (35) for storing the fonts and the program, a buffer (36), and a computer connection means (37) for connecting with the computer.

Description

Fax-Computer Interface

1 is a connection configuration diagram between an image input / output device using a conventional technology and a computer,

2 is a connection configuration diagram of the applied facsimile and the computer of the present invention,

3 is an overall functional block diagram of the present invention;

4 is a detailed configuration diagram of a transmitter connection unit, a receiver connection unit, and a switching circuit unit;

5 is a timing diagram of an operation signal showing an example of operation.

* Explanation of symbols for main parts of the drawings

1: Image input device 2: Image recording device

3: computer 4: adapter

5: counterpart facsimile 10: facsimile transmitter

20: facsimile receiving device 30: facsimile-computer connection device

31: transmitter connection part 32: receiver connection part

33: switching circuit 34: controller

35 memory unit 36 buffer unit

37: computer buffer unit

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a facsimile-computer connection device for connecting a facsimile and a computer so that the facsimile and the computer function as an image input / output and a transmission device. It relates to a computer connection device.

Conventionally, a device configuration for adding a separate device inside the computer or connecting the adapter to the outside of the computer for the connection between the computer and the facsimile is used. In these cases, since the technology of adding a separate device inside the computer is very cumbersome in use and very complicated in installation, the conventional art of connecting the facsimile and the outside of the computer will be described with reference to FIG. 1. In the drawing, reference numeral 1 denotes an image input apparatus, numeral 2 denotes an image recording apparatus, numeral 3 denotes a computer, numeral 4 an adapter, and numeral 5 a counterpart facsimile. In the transmission operation, the document created by the computer 3 is developed into image data and sent to the adapter 4 so that the adapter 4 converts the image data into facsimile transmission data and outputs it to the communication line through the modem. . However, the document created by the computer 3, which is a document generating means, can be transmitted to the other party's facsimile 5 through the adapter 4, but documents, such as photographs and drawings, which are difficult to prepare on the computer 3, may be transferred to a separate image input device ( This is possible only when 1) is connected to the computer 3. On the other hand, in order to record the image received through the adapter 4 in the counterpart facsimile 5, the image recording apparatus 2 is required rather than the general document recording apparatus. In this case, the expensive image input device 1 and the image recording device 2 must be provided, and the computer 3 has three drawbacks. In addition, since image data must be transmitted between the image input device 1 and the computer 3, between the computer 3 and the image recording device 2, and between the computer 3 and the adapter 4, it requires a lot of operating time. This requires complicated transmission procedures.

Accordingly, an object of the present invention is to solve the above-mentioned problems of the prior art, and by directly connecting a computer and a facsimile transmitting and receiving device to combine both an image input and output device and a transmission device, and a data processing procedure and The present invention provides a facsimile-computer connection device for facilitating installation by reducing time and improving performance while providing only one connection part for the facsimile transmission and reception device and a computer.

In order to achieve the above object, the present invention provides a facsimile-computer connection device for connecting a facsimile and a computer to construct an image information transmission system, wherein the facsimile transmission device is connected to a facsimile transmission device configured as a separate device and serves as a data information path. Means, a receiving device connecting means connected to a facsimile receiving device configured as a separate device to serve as a data information path, and a transmitting device connecting means and a receiving device connecting means connected to the transmitting device connecting means and the receiving device connecting means by a control signal. Switching circuit means for mutually switching the control means, the control means comprising a microprocessor connected to the switching circuit means in parallel to control the processing procedure of the internal image information, to expand the input document information into the image information, and to encode the image information; , ROM for font storage and ROM for program storage And a computer connection means connected to the memory means, the buffer means, the control means, the memory means, the buffer means, and the switching circuit means to exchange image information with a computer by RS232C communication.

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

2 is a connection diagram of a facsimile and a computer to which the present invention is applied. In the drawing, reference numeral 10 denotes a facsimile transmitter, 20 a facsimile receiver, and 30 a facsimile-computer connection apparatus according to the present invention.

The facsimile transmitter 10 or the facsimile receiver 20 is a facsimile device that can be separated from the transmitter and the receiver in order to perform only a function of transmission or reception so that any one or both can be connected and used at the request of the user.

The facsimile-computer connection device 30 of the present invention determines and executes a processing procedure for transferring image information between the computer 3, the facsimile transmitting apparatus 10, and the facsimile receiving apparatus 20, and determines the input / output direction of the information.

The computer 3 functions as an input device for document information and is composed of a general-purpose computer. Now, the configuration of the present invention will be described in detail with reference to FIG.

3 is a detailed block diagram of the present invention, in which reference numeral 31 denotes a transmitter connection part, 32 a receiver connection part, 33 a switching circuit part, 34 a controller, 35 a memory part, and 36 The buffer part 37 represents a connection part, respectively.

The transmitter connection unit 31 is used as a facsimile transmitter 10, and the receiver connection unit 32 is used as a path for inputting and outputting the image receiver and the control signal with the facsimile receiver 20, respectively. Is selected.

The switching circuit section 33 selectively switches the transmission device connection section 31 or the reception device connection section 32 according to the control signal of the computer 3 to determine the input / output direction of the image information.

The controller 34, the memory unit 35, and the buffer unit 36 temporarily store the document information among the signals input through the computer connection unit 37, and then expand the image information into image information, which is directly transmitted by the facsimile transmitter 10. Encoding is possible with image information. In addition, it is responsible for determining and controlling internal information processing procedures such as temporarily storing image information transmitted from the facsimile transmitting apparatus 10 or the facsimile receiving apparatus 20 and transmitting the image information to the computer through the computer connection unit 37. do. The controller 34 is a microprocessor, and the memory unit 35 is configured by using a font storage ROM and a program storage ROM. The computer connection unit 37 is responsible for an interface function for RS232C communication with the computer 3.

Referring to the processing procedure of the internal information, when the encoded image information and document information are input from the computer 3 through the computer connection unit 37, the controller 34, the memory unit 35, and the buffer unit 36 are document information. After coding into coded image information that can be developed into image information and directly transmitted by using a), the switching circuit unit 33 is controlled by a control signal and outputted to the transmitter connection unit 31 or the receiver connection unit 32.

When the image information is sent from the facsimile transmitting apparatus 10 or the facsimile receiving apparatus 20 to the computer 3, the image information input from each connection part 31, 32 is output to the computer 37 in accordance with a control signal. .

In addition, in the case where it is desired to send image information directly from the facsimile transmitter 10 to the facsimile receiver 20, the switching circuit unit 33 is controlled in accordance with a control signal so that the image information input from the transmitter connection unit 31 is received. Immediately output to the receiver connecting portion (32).

4 is a detailed configuration diagram of the transmitter connection part 31, the receiver connection part 32, and the switching circuit part 33. As shown in FIG. As shown in the figure, the transmitter connection part 31, the receiver connection part 32, and the controller 34 side connection part respectively transmit request signal (RTS), send command signal (CTS), transmit data (TXD), and receive data. It consists of signal lines which transmit four signals of (RXD), and each signal line is connected to each other via a bus buffer which can control the opening and closing. In addition, each bus buffer is switched as shown in Table 1 below according to the combination of control signals 1 and 2.

FIG. 5 shows an example of a timing diagram of the respective operation signals shown in FIG. 4, which shows a case where data is transmitted from the facsimile transmitter 10 or the facsimile receiver 20 to the facsimile computer access device 30. FIG. will be.

Periodically switching the switching circuit section 33 in the facsimile-computer connection device 30 periodically checks whether the transmission request signal (RTS) from the transmission device connection part 31 or the reception device connection part 32 is activated (H). To watch. If the transmission request signal RTS is activated (H), the transmission instruction signal CTS for fixing the control signal is activated. At this time, the facsimile transmission apparatus 10 or the facsimile reception apparatus 20 transmits transmission data according to the input transmission instruction signal. When the transmission data ends, the transmission request signal (RTS) is deactivated and the control signal is periodically switched again to monitor the transmission request signal. The same procedure is used to transfer data from the facsimile-computer connection apparatus 30 to the facsimile transmission / reception apparatus 10 or 20.

Therefore, the present invention, which is configured and operated as described above, reduces the connection part of a computer to simplify the installation and operation of the internal image information processing procedure and the like, thereby improving transmission performance through shortening of operation time. Applicable effect.

Claims (2)

A facsimile-computer connection apparatus for connecting a facsimile and a computer to construct an image information transmission system; Transmitter connecting means 31 connected to the facsimile transmitter 10 configured as a separate device to serve as a data information path, and a receiver connected to the facsimile receiver 20 configured as a separate device to serve as a data information path. A switching circuit connected to the connecting means 32, the transmitting device connecting means 31 and the receiving device connecting means 32, and mutually switching the transmitting device connecting means 31 and the receiving device connecting means 32 by a control signal. Control means composed of a microprocessor connected to the means 33 and the switching circuit means 33 respectively to control the processing procedure of the internal image information, to expand the input document information into the image information, and to encode the image information ( 34, a memory means 35 composed of a font storing ROM and a program storing ROM, and a buffer means 36, the control means 34, a memory means 35, a buffer means 36, a switching circuit means. RS connected to 33 A facsimile-computer connection device comprising a computer connection means (37) for sending and receiving image information to and from a computer (3) by a 232C communication method. 2. A bus buffer according to claim 1, wherein the singer transmitter connection means 31, the receiver connection means 32, and the switching circuit means 33 connect a data and control signal line group with the bus group. A facsimile-computer connection device comprising: