KR970013924A - Asynchronous communication control device of AV system - Google Patents

Asynchronous communication control device of AV system Download PDF

Info

Publication number
KR970013924A
KR970013924A KR1019950024157A KR19950024157A KR970013924A KR 970013924 A KR970013924 A KR 970013924A KR 1019950024157 A KR1019950024157 A KR 1019950024157A KR 19950024157 A KR19950024157 A KR 19950024157A KR 970013924 A KR970013924 A KR 970013924A
Authority
KR
South Korea
Prior art keywords
signal
collision
unit
window
detection unit
Prior art date
Application number
KR1019950024157A
Other languages
Korean (ko)
Inventor
류기웅
김정열
Original Assignee
구자홍
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 구자홍, 엘지전자 주식회사 filed Critical 구자홍
Priority to KR1019950024157A priority Critical patent/KR970013924A/en
Publication of KR970013924A publication Critical patent/KR970013924A/en

Links

Abstract

본 발명은 비동기 통신제어장치에 관한 것으로, 특히 복수개의 기기가 접속되어 있는 AV시스템에 공통 직렬 통신방식(Common Serial Communication Method)를 사용하여 각 기기에 동일 우선권을 부여함으로써 한기기의 통신라인의 독점을 피하고, 통신의 우선 선점에 따른 각 기지의 동작명령이나 상태를 파악하여 원하는 데이타를 원하는 기기에 전송하도록 한 AV시스템의 비동기 통신제어장치에 관한 것이다. 상기와 같은 목적을 달성하기 위한 본 발명의 AV시스템의 비동기 통신제어장치는 AV 시스템이나 HA(Home Automation)시스템에 있어어, 타기기의 제어신호 또는 본 기기의 제어신호와 본 기기의 제어신호를 비교, 합성하여 제1충돌신호를 검출하는 제1충돌검출부와, 상기 제1충돌검출부의 제1충돌신호를 받아 1/2 Tm윈도우신호를 발생하는 1/2윈도우신호발생부와, 상기 제1충돌검출부의 제1충돌신호를 받아 시간축 지연에 대한 보상을 하는 지연보상수단부와, 상기 지연보상수단부의 보상신호와 상기 1/2윈도우신호발생부의 1/2Tm윈도우신호를 비교, 합성하여 제1충돌보상신호를 출력하는 제1충돌보상수단부와, 상기 제1 충돌보상수단부의 제1충돌보상신호와 상기 1/2윈도우신호 발생부의 1/2Tm윈도우신호를 비교, 합성하여, 제2충돌신호를 검출하는 제2충돌검출부와, 상기 제2충돌검출부의 제2충돌신호를 윈도우(window)신호로 바꾸어주는 윈도우신호발생부와, 상기 윈도우신호발생부의 윈도우신호와 본기기의 제어신호를 비교, 합성하여 전송데이타 또는 무신호를 발생하는 송신판단부와, 상기 송신판단부에서 발생하는 신호를 송신하고, 타기기의 제어신호를 수신하거나, 본기기의 제어신호를 수신하여 본기기의 마이컴에 전달함과 동시에 상기 제1충돌검출부로 전달하는 송, 수신 판단부로 이루어짐을 특징으로 한다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an asynchronous communication control device, and more particularly, to monopolize a communication line of a device by giving the same priority to each device using a common serial communication method to an AV system to which a plurality of devices are connected. The present invention relates to an asynchronous communication control apparatus of an AV system which avoids the operation of each known base and the state of communication according to the preemption of communication, and transmits the desired data to a desired device. Asynchronous communication control apparatus of the AV system of the present invention for achieving the above object is in the AV system or HA (Home Automation) system, the control signal of the other device or the control signal of this unit and the control signal of the unit A first collision detection unit for comparing and synthesizing the first collision signal, a half window signal generator for generating a 1/2 Tm window signal in response to the first collision signal of the first collision detection unit, and the first collision signal Comparing and synthesizing the delay compensation means unit for compensating for the time axis delay by receiving the first collision signal of the collision detection unit, the compensation signal of the delay compensation unit and the 1 / 2Tm window signal of the 1/2 window signal generation unit A second collision signal by comparing and synthesizing a first collision compensation means unit for outputting a collision compensation signal, a first collision compensation signal of the first collision compensation means unit, and a 1/2 Tm window signal of the half window signal generation unit; A second collision detection unit for detecting Comparing and synthesizing the window signal generation unit for converting the second collision signal of the second collision detection unit to a window signal, the window signal of the window signal generation unit and the control signal of the device to generate transmission data or no signal A transmission determining unit and a signal generated by the transmission determining unit, receiving a control signal of another device, or receiving a control signal of the main unit and transmitting the signal to the microcomputer of the main unit, to the first collision detection unit. It is characterized by consisting of a transmission and reception determining unit for transmitting.

Description

에이브이(AV)시스템의 비동기 통신제어장치Asynchronous communication control device of AV system

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

제5도는 본 발명의 AV시스템의 비동기 통신제어장치에 대한 블록구성도,5 is a block diagram of an asynchronous communication control device of the AV system of the present invention;

제6도는 본 발명의 AV시스템의 비동기 통신제어장치에 대한 상세도,6 is a detailed view of the asynchronous communication control apparatus of the AV system of the present invention;

제7도는 본 발명의 AV시스템의 비동기 통신제어장치에 있어서, A, B기기간의 데이타 전송시 무충돌일 경우의 타이밍도,7 is a timing diagram when there is no conflict in data transfer between A and B devices in the asynchronous communication control apparatus of the AV system of the present invention.

제8도는 본 발명의 AV시스템의 비동기 통신제어장치에 있어서, A, B기기간의 데이타 전송시 충돌일 경우의 타이밍도.8 is a timing diagram in the case of a collision during data transmission between A and B devices in the asynchronous communication control apparatus of the AV system of the present invention.

Claims (3)

AV 시스템이나 HA(Home Automation)시스템에 있어서, 직렬통신방식의 CSMA/CD(Carrier Sense Multi Access/Collison Detection)방식을 구현하기 위해 타기기의 제어신호 또는 본 기기의 제어신호와 본 기기의 제어신호를 비교, 합성하여 제1충돌신호를 검출하는 제1충돌검출부와, 상기 제1충돌검출부의 제1총돌신호를 받아 1/2 Tm윈도우신호를 발생하는 1/2윈도우신호발생부와, 상기 제1충돌검출부의 제1충돌신호를 받아 시간축 지연에 대한 보상을 하는 지연보상수단부와, 상기 지연보상수단부의 보상신호와 상기 1/2Tm윈도우신호발생부의 1/2Tm윈도우신호를 비교, 합성하여 제1충돌보상신호를 출력하는 제1충돌보상수단부와, 상기 제1 충돌보상수단부의 제1충돌보상신호와 상기 1/2Tm윈도우신호 발생부의 1/2Tm윈도우신호를 비교, 합성하여, 제2충돌신호를 검출하는 제2충돌검출부와, 상기 제2충돌검출부의 제2충돌신호를 윈도우(window)신호로 바꾸어주는 윈도우신호발생부와, 상기 윈도우신호발생부의 윈도우신호와 본기기의 제어신호를 비교, 합성하여 전송데이타 또는 무신호를 발생하는 송신판단부와, 상기 송신판단부에서 발생하는 신호를 송신하고, 타기기의 제어신호를 수신하거나, 본기기의 제어신호를 수신하여 본기기의 마이컴에 전달함과 동시에 상기 제1충돌검출부로 전달하는 송, 수신 판단부로 이루어짐을 특징으로 하는 AV시스템의 비동기 통신제어장치.In an AV system or HA (Home Automation) system, in order to implement serial communication type CSMA / CD (Carrier Sense Multi Access / Collison Detection), the control signal of another device or the control signal of this unit and the control signal of this unit And a first collision detection unit for detecting and combining a first collision signal, a half window signal generator for generating a 1/2 Tm window signal by receiving a first total collision signal of the first collision detection unit, and the first collision detection unit. Comparing and synthesizing the delay compensation means unit for receiving the first collision signal of the collision detection unit and compensating for the time-base delay, the compensation signal of the delay compensation unit and the 1 / 2Tm window signal of the 1 / 2Tm window signal generator A first collision compensating unit for outputting a collision compensating signal, a first collision compensating unit for comparing the first collision compensating unit, and a 1 / 2Tm window signal for the 1 / 2Tm window signal generation unit are compared and synthesized to each other. A second collision detection unit for detecting a signal And comparing and synthesizing the window signal generator for converting the second collision signal of the second collision detection unit to a window signal, the window signal of the window signal generator and the control signal of the device, and transmitting the transmission data or no signal. The first collision detection unit transmits the transmission determination unit and the signal generated by the transmission determination unit, receives a control signal of another device, receives a control signal of the device, and transmits the signal to the microcomputer of the device. Asynchronous communication control device of the AV system, characterized in that consisting of the transmission and reception unit for transmitting. 제1항에 있어서, 제1충돌검출부는 인버터와 노아게이트(NOR)로 구성됨을 특징으로 하는 AV시스템의 비동기 통신제어장치.The asynchronous communication control apparatus of an AV system according to claim 1, wherein the first collision detection unit is composed of an inverter and a noor gate. 제1항에 있어서, 제1충돌보상수단부와, 제2충돌검출부와, 송신판단부는 일개의 노아게이트(NOR)로 이루어짐을 특징으로 하는 AV시스템의 비동기 통신제어장치.2. The asynchronous communication control apparatus for an AV system according to claim 1, wherein the first collision compensating means portion, the second collision detection portion, and the transmission determining portion are made of one NOR gate. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950024157A 1995-08-04 1995-08-04 Asynchronous communication control device of AV system KR970013924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950024157A KR970013924A (en) 1995-08-04 1995-08-04 Asynchronous communication control device of AV system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950024157A KR970013924A (en) 1995-08-04 1995-08-04 Asynchronous communication control device of AV system

Publications (1)

Publication Number Publication Date
KR970013924A true KR970013924A (en) 1997-03-29

Family

ID=66595213

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950024157A KR970013924A (en) 1995-08-04 1995-08-04 Asynchronous communication control device of AV system

Country Status (1)

Country Link
KR (1) KR970013924A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100484494B1 (en) * 2002-12-12 2005-04-20 한국전자통신연구원 Apparatus for protecting collision among Home network stations using carrier sense signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100484494B1 (en) * 2002-12-12 2005-04-20 한국전자통신연구원 Apparatus for protecting collision among Home network stations using carrier sense signal

Similar Documents

Publication Publication Date Title
KR970049636A (en) Data transmission system and method
KR960020204A (en) Multi Communication System
US5168272A (en) Network system for transmitting vehicle data
KR930022776A (en) Communication system between electronic control device and test device
KR970013924A (en) Asynchronous communication control device of AV system
EP0477916A2 (en) Clock generating apparatus, data transmitting/receiving apparatus and data transmitting/receiving method
US5400332A (en) Communication system between communication cards mounted separately in shelves
KR950022421A (en) Master-side transfer control between two buses with different data array positions
KR950023107A (en) Bus occupancy arbitration device on public bus
JP3916024B2 (en) Data destruction prevention method in multiplex communication device
KR0121161Y1 (en) Switching system in common parallel bus
KR100429185B1 (en) Packet routing system
JPS587097B2 (en) digital circuit
JPH0916517A (en) Bus interface
JP2949118B1 (en) Encoder data output method for bus communication type encoder device
KR0177757B1 (en) Serial data communication method using uni common line
JP2763407B2 (en) Multiplexer
KR950023069A (en) Interprocessor Communication in Distributed Multiprocessor Switching
RU2066066C1 (en) Serial-parallel interface device
KR970019243A (en) Polling communication method
SU739511A1 (en) Interface
KR930018402A (en) Asynchronous Communication Circuit and Method of POS System
KR950022340A (en) Data multiplexer
KR970040767A (en) Optical signal transmission circuit of electric vehicle
KR950026162A (en) Home Bus Interface Device

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination