[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

KR920013080A - Keyboard Connections and Methods for Terminals - Google Patents

Keyboard Connections and Methods for Terminals Download PDF

Info

Publication number
KR920013080A
KR920013080A KR1019900020170A KR900020170A KR920013080A KR 920013080 A KR920013080 A KR 920013080A KR 1019900020170 A KR1019900020170 A KR 1019900020170A KR 900020170 A KR900020170 A KR 900020170A KR 920013080 A KR920013080 A KR 920013080A
Authority
KR
South Korea
Prior art keywords
cpu
keyboard
input
output means
data
Prior art date
Application number
KR1019900020170A
Other languages
Korean (ko)
Other versions
KR930004422B1 (en
Inventor
조윤희
Original Assignee
심흥주
주식회사 큐닉스컴퓨터
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 심흥주, 주식회사 큐닉스컴퓨터 filed Critical 심흥주
Priority to KR1019900020170A priority Critical patent/KR930004422B1/en
Publication of KR920013080A publication Critical patent/KR920013080A/en
Application granted granted Critical
Publication of KR930004422B1 publication Critical patent/KR930004422B1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

내용 없음No content

Description

터미널의 키보드 연결장치 및 방법Keyboard Connections and Methods for Terminals

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

제1도는 본 발명이 적용된 키보드 및 터미널의 구성도, 제2도는 제1도의 UART와 키보드의 연결상태도, 제3도는 본 발명에 의한 키보드 연결방법의 흐름도.1 is a block diagram of a keyboard and a terminal to which the present invention is applied, FIG. 2 is a diagram illustrating a connection state between a UART and a keyboard of FIG. 1, and FIG.

Claims (2)

CPU(21), 상기 CPU(21)에 연결된 메모리수단(22), 및 상기 CPU(21)에 연결된 입출력수단(23)을 포함하여 구성된 터미널(1)과, 상기 입출력수단(23)에 연결되고 마이크로 프로세서(10)를 포함하여 구성된 키보드(1)와의 데이타 송수신을 위한 키보드 연결장치에 있어서, 상기 마이크로 프로세서(10)와 입출력수단(23)에 연결되어 클럭 및 데이타를 송수신하는 UART(Universal Asynchronous Receiver/Transmitter)(24)를 부가하여 구성하는 것을 특징으로 하는 키보드 연결장치.A terminal 1 comprising a CPU 21, a memory means 22 connected to the CPU 21, and an input / output means 23 connected to the CPU 21, and connected to the input / output means 23. In the keyboard connection device for transmitting and receiving data with the keyboard 1 including the microprocessor 10, UART (Universal Asynchronous Receiver) is connected to the microprocessor 10 and the input and output means 23 for transmitting and receiving clock and data And a transmitter (24). CPU(21), 상기 CPU(21)에 연결된 메모리수단(22), 상기 CPU(21)에 연결된 입출력수단(23), 및 상기 입출력수단(23)에 연결된 UART(24)로 구성된 터미널(1)과 상기 UART(24)에 클럭라인과 데이타라인을 통해 연결되고 마이크로 프로세서(10)를 포함하여 구성된 키보드(1)와의 데이타를 송수신을 위한 키보드 연결방법에 있어서, 상기 클럭라인이 액티브 상태인지 검색하는 제1단계, 상기 클럭라인이 액티브 상태이면 상기 클럭라인을 인액티브 상태로 만들고, 상기 데이타 라인으로 데이타를 전송하는 제2단계 및, 상기 클럭라인을 다시 액티브상태로 만드는 제3단계에 의해 수행되는 것을 특징으로 하는 키보드 연결방법.A terminal 1 composed of a CPU 21, a memory means 22 connected to the CPU 21, an input / output means 23 connected to the CPU 21, and a UART 24 connected to the input / output means 23. And a keyboard connection method for transmitting and receiving data to and from the keyboard 1 connected to the UART 24 through a clock line and a data line and including a microprocessor 10. A first step, if the clock line is in an active state, making the clock line in an inactive state, transferring a data to the data line, and a third step of making the clock line active again; Keyboard connection method characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900020170A 1990-12-08 1990-12-08 Keyboard connecting apparatus and method therefor KR930004422B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900020170A KR930004422B1 (en) 1990-12-08 1990-12-08 Keyboard connecting apparatus and method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900020170A KR930004422B1 (en) 1990-12-08 1990-12-08 Keyboard connecting apparatus and method therefor

Publications (2)

Publication Number Publication Date
KR920013080A true KR920013080A (en) 1992-07-28
KR930004422B1 KR930004422B1 (en) 1993-05-27

Family

ID=19307237

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900020170A KR930004422B1 (en) 1990-12-08 1990-12-08 Keyboard connecting apparatus and method therefor

Country Status (1)

Country Link
KR (1) KR930004422B1 (en)

Also Published As

Publication number Publication date
KR930004422B1 (en) 1993-05-27

Similar Documents

Publication Publication Date Title
KR880001154A (en) Remote control system
KR960006642A (en) Enhanced Peripherals for Use in Multimedia Conferencing Systems
KR890006048A (en) Modem device
KR920002393A (en) Automotive Input Interface
KR920013080A (en) Keyboard Connections and Methods for Terminals
KR910009006A (en) LAN controller
KR950005074A (en) Data communication system and apparatus for the system
KR890000958A (en) Card Reader for Terminal
KR850006090A (en) Data transmission system
KR950006570A (en) Keyboard interface
KR960027386A (en) Communication device with radio call function and its interface method
KR870009284A (en) Hangul code conversion device
KR890007518A (en) Maker communication interface circuit capable of requesting retransmission in case of error
KR850005113A (en) 4-wire keyboard communication method
KR880011680A (en) Interfacing method and circuit between high level data link controller and modem
KR880008569A (en) Signal Control Method between Digital Telephone and Asynchronous Data Terminal Access Device
KR960011680A (en) Parallel Downloading Device Using Computer
KR970049317A (en) Interface device of computer
KR920009115A (en) Data Bit Rate Selection Circuit
KR900001201A (en) Voice data transmission and reception method by computer
KR910010325A (en) Data transmission system using personal computer
KR920010447A (en) Data loss prevention circuit between CPUs using dual port RAM
KR920009125A (en) Communication method between DSP
KR880014477A (en) Computer interrupt extension circuit
KR930001614A (en) Multiple signal transmitter

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19960514

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee