KR950007382A

KR950007382A - Digital telephones capable of changing the data rate and methods of changing the same

Info

Publication number: KR950007382A
Application number: KR1019930016545A
Authority: KR
Inventors: 임제상
Original assignee: 백중영; 금성통신 주식회사
Priority date: 1993-08-25
Filing date: 1993-08-25
Publication date: 1995-03-21

Abstract

본 발명은 디지탈 데이타를 송수신하려는 통신장치 예를 들어 PC와 같은 장치등이 접속가능한 디지탈 전화기에서의 데이타 전송속도 변경 방식에 관한 것으로, 통신장치와 비동기식 시리얼 데이타를 송수신하기 위한 시리얼 데이타 접속 수단과, 상기 시리얼 데이타 접속수단에서 인가받은 비동기식 데이타를 동기식 데이타로 변환하여 출력하고 동기식 데이타를 인가받아 비동기식 데이타로 변환하여 상기 시리얼 데이타 접속 수단에 인가하기 위한 데이타 변환 수단과, 교환시스템과 데이타 변환 수단사이에 데이타의 송수신을 위한 디지탈 데이타 송수신 수단과, 상기 데이타 변환 수단에서 데이타 변환 속도의 정도에 대한 제어데이타를 발생시키는 데이타 입력수단 및 상기 시리얼 데이타 접속 수단과 디지탈 데이타 송수신 수단의 상태 및 데이타를 검사하며 상기 데이타 입력수단로부터 제어데이타를 인가받아 상기 데이타 변환 수단에서의 데이타 변환 속도를 제어데이타에 대응하도록 변환속도를 제어하므로서 상기 통신장치에서 송신 또는 수신하는 데이타의 전송속도를 조절하기 위한 제어수단을 포함하는 것을 특징으로 하는 데이타 전송속도의 변경이 가능한 디지탈 전화기 및 그 방법을 제공하여 데이타 전송속도의 매칭을 위하여 전화통화를 하여야 하는 번거로움과 데이타 통신시 쌍방이 사용중이던 PC를 제어하여야 하는 종래의 문제점을 해소하는 효과가 있다.The present invention relates to a data transfer rate changing method in a digital telephone to which a communication device for transmitting and receiving digital data, for example, a device such as a PC, can be connected. A data conversion means for converting and outputting the asynchronous data received from the serial data connection means into synchronous data, receiving the synchronous data and converting the asynchronous data to the serial data connection means, and between the switching system and the data conversion means. Digital data transmission and reception means for transmitting and receiving data, data input means for generating control data on the degree of data conversion speed in the data conversion means, and status and data of the serial data connection means and digital data transmission and reception means. Control means for controlling the transmission speed of data transmitted or received by the communication device by controlling the conversion speed by receiving control data from the data input means and controlling the data conversion speed in the data conversion means to correspond to the control data. Providing a digital telephone and a method of changing the data transmission speed, characterized in that it includes the hassle of having to make a telephone call to match the data transmission speed and the prior art to control the PC used by both parties during data communication It is effective to solve the problem.

Description

Digital telephones capable of changing the data rate and methods of changing the same

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 데이타 전송속도의 변경가능한 디지탈 전화기를 사용한 PC통신망의 예시도,1 is an exemplary diagram of a PC communication network using a digital telephone having a variable data rate according to the present invention;

제2도는 본 발명에 따른 PC통신망 단말기의 구성 블럭도,2 is a block diagram of a PC communication terminal according to the present invention;

제3도는 본 발명에 따른 디지탈 전화기를 사용한 데이타 전송속도 변경과정의 동작순서도.3 is a flowchart illustrating a process of changing a data transmission rate using a digital telephone according to the present invention.

Claims

A telephone system for connecting a communication system capable of transmitting and receiving digital data in a communication network of digital data through a telephone line and communication devices for transmitting and receiving digital data, comprising: serial data connection means for transmitting and receiving asynchronous serial data with the communication device; Data conversion means for converting and outputting the asynchronous data received from the serial data connection means into synchronous data, and converting the synchronous data into asynchronous data and applying the same to the serial data connection means; Digital data transmission and reception means for transmitting and receiving data between the switching system and the data conversion means; Data input means for generating control data on the degree of data conversion speed in said data conversion means; And checking the status and data of the serial data connection means and the digital data transmission / reception means and receiving control data from the data input means to control the conversion speed so that the data conversion speed in the data conversion means corresponds to the control data. And a control means for adjusting the transmission rate of data transmitted or received by the apparatus.

A method of changing the data transfer rate in a method of transmitting / receiving asynchronous digital data by converting asynchronous data to be transmitted into synchronous data and transmitting the received synchronous data into asynchronous data. A first step of varying the synchronous conversion speed of the data; A second step of transmitting data conversion rate data corresponding to the data conversion rate changed in the first step to a counterpart desiring data communication; And a third step of receiving the data conversion rate data transmitted in the second step and varying transmission / reception data synchronization rate thereof.

※ Note: The disclosure is based on the initial application.