KR980013235A - Shared faxes and how they are delivered - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a facsimile machine, and more particularly, to a shared fax machine capable of transmitting a large amount of information by connecting a plurality of external terminals to a single facsimile machine. The shared fax of the present invention includes a plurality of port stages for receiving external data, a plurality of parallel sequential FIFO units for receiving data from the port stages and transmitting a signal to the first control means, A timer for controlling the operation time of the first control means, and a timer for controlling the operation of the first control means in accordance with the operation order of the first control means, And a FIFO unit. A method of transmitting a shared fax according to the present invention includes the steps of inputting data to a plurality of parallel sequential FIFO units of a facsimile via a plurality of external terminals, receiving data from a receiver timing control unit in each parallel sequential FIFO unit Generating a receiver start signal, determining a parallel sequential FIFO portion to be operated first through receiver start signals from each parallel sequential FIFO portion, sending each stop signal to a parallel sequential FIFO portion that is not selected for the line operation, The parallel sequential FIFO unit selected according to whether the line operation is performed transfers the received data to the fax memory unit until the predetermined timer time is completed. When the storage of the data in the parallel sequential FIFO unit is completed in the fax memory unit, And the fax control unit sends an interrupt signal After the last data stored in the memory if fax operates, including the step of generating a tag (tag).

Description

Shared faxes and how they are delivered

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a facsimile machine, and more particularly, to a shared fax machine capable of transmitting a large amount of information by connecting a plurality of external terminals to a single facsimile machine. Conventionally, a general fax information transfer method operates in such a manner that only one piece of information is received from one computer terminal by a single facsimile.

Conventionally, there is a problem that there is a limit to the amount of data that can be processed because only a piece of external information from a single terminal can be transmitted by a single facsimile. Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a shared fax machine capable of transmitting a large amount of data by sequentially transmitting information from a plurality of external terminals, The purpose is to provide.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a block diagram showing a fax information transmitting unit according to a first embodiment of the present invention; Fig.

FIG. 2 is a block diagram showing the inside of the parallel sequential FIFO unit of FIG. 1. FIG.

3 is a configuration diagram showing a data storage unit in the facsimile memory of the first embodiment of the present invention.

DESCRIPTION OF THE REFERENCE NUMERALS

20: first port stage 21: second port stage

22: third port stage 23: first parallel sequential FIFO unit

24: second parallel sequential FIFO unit 25: third parallel sequential FIFO unit

26: first control means section 27: timer

28: Prioritization register 29: Fax control and memory unit

30: second control means section 31: receiver timing control section

32: Status register 33: FIFO register

34: shift register 35: buffer register

36: FIFO memory unit 37: Data bus buffer unit

38: internal data bus buffer unit

The shared fax of the present invention includes a plurality of port stages for receiving external data, a plurality of parallel sequential FIFO units for receiving data from the port stage and transmitting a signal to the first control means, And a plurality of parallel sequential FIFO units for transmitting data to the facsimile control unit and the memory unit in accordance with the operation sequence of the first control unit unit and a timer for controlling the operation time of the first control unit unit . A method of transmitting a shared fax according to the present invention includes the steps of inputting data to a plurality of parallel sequential FIFO units of a facsimile via a plurality of external terminals, receiving data from a receiver timing control unit in each parallel sequential FIFO unit Generating a receiver start signal, determining each of the parallel sequential FIFO units, sending a stop signal to each of the parallel sequential FIFO units unselected in the line operation, selecting parallel sequential FIFO units according to whether the line is operated, When the data of the parallel sequential FIFO unit is stored in the facsimile memory unit, the first control unit sends an interrupt signal to the facsimile control unit, and the facsimile control unit sends the interrupt signal to the facsimile unit until the interruption is completed Generating a tag after the last stored data It characterized in that the operative included. The shared fax of the present invention and a method of transmitting the information will be described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a fax information transmitting unit according to a first embodiment of the present invention; FIG. FIG. 2 is a block diagram showing the inside of the parallel sequential FIFO unit of FIG. 1. FIG. 3 is a configuration diagram showing a data storage unit in the facsimile of the first embodiment of the present invention.

A first embodiment of the present invention is directed to a shared fax delivery unit in which one fax transmits data coming in from three external terminals. 1, the shared fax of the first embodiment of the present invention includes a first port terminal 20, a port portion including a second port terminal 21 and a second port terminal 22, The data received from each port of the port unit is supplied to the first parallel sequential FIFO unit 23, the second parallel sequential FIFO unit 24, the second parallel sequential FIFO unit 24, When only one of three signals input to the first control means section 26 and the first sequential FIFO section sent to the first control means section 26 in the form of a second signal of the first control section 25 is HIGH, A priority determination register 28 that operates only a parallel sequential FIFO unit having a higher priority than a parallel sequential FIFO unit having a higher priority than the parallel sequential FIFO unit, 1 control means 26 to control the operation time of one parallel sequential FIFO The data is configured to include a timer 27 to be able to deliver a fax memory (29).

2, the parallel sequential FIFO unit includes a receiver timing controller 31 for transmitting a start signal to the first control unit 26 when data is received from each port stage, A status register 32 for storing states such as start and stop of data received from the respective port stages and a parity error and the like, a FIFO memory unit 36 for storing data of each parallel sequential FIFO unit, A FIFO register 33 for recording the amount of data to be stored in the unit 36 and a shift register 34 for receiving data continuously received and switching to a parallel form when one byte is received and sending the data to the buffer jitterer 35; A buffer jitterter 35 for transferring the data received from the shift register 34 to the FIFO memory unit 36 and a buffer controller 35 for receiving data from the FIFO memory unit 35, And a data bus buffer unit 37 for transmission to the memory section 29 is constituted by a second control means unit 30 that controls each component in the inside of the parallel sequential FIFO section.

1 and 2, a method of transmitting a fax of a shared fax according to the present invention comprises the steps of: (1) transmitting a facsimile (fax) message through an external terminal of a first port stage 20, a second port stage 21 and a second port stage 22 The data is input to the first parallel sequential FIFO unit 23, the second parallel sequential FIFO unit 24 and the second parallel sequential FIFO unit 25, and the step of receiving data from the receiver timing control unit 31 in each parallel sequential FIFO unit 1 control means (26) for generating a first signal, a second signal and a second signal, respectively, and generating a first signal, a second signal and a second signal from each parallel sequential FIFO unit A step of determining a parallel sequential FIFO unit to be operated first through a unit 26, a step of sending a first stop signal, a second stop signal or a second stop signal corresponding to the parallel sequential FIFO unit not selected in the line operation, The parallel sequential FIFO section, which is selected according to whether or not the operation is performed, To the fax memory unit 29 until the time of the counter 27 is completed and when the data of the parallel sequential FIFO unit is stored in the fax memory unit 29, 29 and a step of generating a tag after the last data stored in the facsimile memory unit 29 until the facsimile control unit 29 is interrupted. In determining the parallel sequential FIFO unit to be operated first among the above-described operations, when two or more of the first signal inputted to the first control means unit 26 and the second signal and the second signal are HIGH, The first control means 26 is controlled by the control unit 28 to select the parallel sequential FIFO unit to be operated first. And then selects each parallel sequential FIFO unit from each of the external port stages. Describing the operation of each parallel sequential FIFO unit after the data is entered into each parallel sequential FIFO unit from each of the external port stages, data is input from the external port stage to the shift register 34 and data is transferred to the shift register 34 A step of generating a receiver start signal from the receiver timing control section 31 to the first control means section 26 and a step of starting and stopping data received from the receiver timing control section 31, 32), and when the data input to the shift register (34) becomes 1 byte, data is sent to the buffer register (35) to convert the data into parallel form, and the amount of data to be stored in the FIFO memory (36) 33) and storing the data converted into the parallel form in the FIFO memory unit (36) and storing the converted data in the FIFO memory unit 6 to the facsimile memory unit 29 via the data bus buffer unit 37. The data bus buffer unit 37 stores the one-byte data. Here, the operation of the status register 32, the FIFO register 33, and the FIFO memory unit 36 operates under the control of the second control unit 30 in the parallel sequential FIFO unit.

3, a facsimile unit 29 for receiving and storing data from a parallel sequential FIFO unit, which is a configuration of a facsimile control unit of the shared-type facsimile of the present invention and a stored data unit of the memory unit, Upon completion of the storage, the fax controller 29 generates a tag after the last data stored in the facsimile memory unit 29 to identify which parallel sequential FIFO unit the data received until the data is interrupted. Then, the next sequential FIFO part of this display word stores data.

The shared-type facsimile and its transmission method according to the present invention have an effect that data that can be processed by a plurality of existing faxes can be processed by only one fax by connecting a plurality of terminals to one fax.

Claims (7)

A facsimile machine for receiving external information, comprising: a plurality of port stages for receiving external data; a plurality of parallel sequential FIFO units for receiving data from the port stage and sending a signal to the first control means; A timer for controlling an operation time of the first control means, and a timer for controlling the operation of the first control means according to the control of the operation order of the first control means, And a parallel sequential FIFO unit. [2] The apparatus of claim 1, wherein the priority determination register determines a priority of an operation when the data of the parallel sequential FIFO unit transmitted to the first control means unit is simultaneously inputted with two or more HIGH signals, 1 to the control means. The parallel sequential FIFO unit of claim 1, wherein the parallel sequential FIFO unit comprises: a receiver timing unit for transmitting a start signal to the first control unit when data is received from the port stage; a start and stop of data received from a plurality of port stages; a FIFO memory unit for storing data of the parallel sequential FIFO unit; a FIFO register for recording an amount of data to be stored in the FIFO memory unit; A buffer register for transferring the data received from the shift register to the FIFO memory unit, and a buffer register for receiving data of the FIFO memory unit and transferring the data to the FAX control unit or the FAX memory unit A data bus buffer unit, a parallel sequential FIFO unit And a second control means for controlling each of the internal components. (1) receiving data into a plurality of parallel sequential FIFO units of a fax through a plurality of external terminals; (2) generating receiver start signals from a receiver timing control unit in each parallel sequential FIFO unit to a first control means; (3) determining the parallel sequential FIFO unit to be operated first via receiver start signals from each of the parallel sequential FIFO units; (4) (5) The parallel sequential FIFO unit selected according to the line operation transmits the received data to the fax memory unit until the predetermined timer time is completed. (6) The parallel sequential FIFO unit The first control means sends an interrupt signal of the fax control unit when the data is stored, (7) And generating a tag after the last data stored in the fax memory unit until the interrupt is interrupted. The method as claimed in claim 4, wherein, in step (1), after the data enters the plurality of parallel sequential FIFO units from a plurality of external terminals, the operation of the parallel sequential FIFO unit includes: (1) (2) generating a receiver start signal from the receiver timing controller to the first control means when data is input to the shift register; (3) storing states such as start, stop and parity errors of data received from the receiver timing controller (5) a step of storing the amount of data to be stored in the FIFO memory unit; (6) the step of storing data in a parallel form; Storing the converted data in the FIFO memory unit; (7) A shared information transmission method of a fax call via bus buffer comprising the step of transferring the fax memory. 6. The method of claim 5, wherein steps (3), (5), and (6) are performed under control of a second control means within the parallel sequential FIFO unit Delivery method. 6. The method as claimed in claim 5, wherein in step (4), when data is transmitted from the shift register to the buffer register, the data is transmitted when the amount of data becomes one byte. ※ Note: It is disclosed by the contents of the first application.