KR910020540A - Kisscan expansion unit and its method - Google Patents

Kisscan expansion unit and its method Download PDF

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Publication number
KR910020540A
KR910020540A KR1019900008039A KR900008039A KR910020540A KR 910020540 A KR910020540 A KR 910020540A KR 1019900008039 A KR1019900008039 A KR 1019900008039A KR 900008039 A KR900008039 A KR 900008039A KR 910020540 A KR910020540 A KR 910020540A
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KR
South Korea
Prior art keywords
key
input
microcomputer
terminals
terminal
Prior art date
Application number
KR1019900008039A
Other languages
Korean (ko)
Other versions
KR930003829B1 (en
Inventor
류상원
Original Assignee
이헌조
주식회사 금성사
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.)
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Publication date
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Priority to KR1019900008039A priority Critical patent/KR930003829B1/en
Publication of KR910020540A publication Critical patent/KR910020540A/en
Application granted granted Critical
Publication of KR930003829B1 publication Critical patent/KR930003829B1/en

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    • 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

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  • 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

키스캔 확장 장치 및 그 방법Kisscan expansion unit and its method

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

제1도는 본 발명 장치의 회로도, 제2도는 본 발명 방법을 설명하기 위한 플로우챠트.1 is a circuit diagram of an apparatus of the present invention, and FIG. 2 is a flowchart for explaining the method of the present invention.

Claims (2)

마이컴(1)의 입, 출력단자(Io1-IO4및 Q1-Q4)의 교차점에 다수개의 키 스위치를 설치하여서된 기존의 제1키 입력부(2)와; 상기 마이컴(1)의 입, 출력단자 (Io1-Io4및 Q1-Q4)의 교차점에 다수개의 3접점 키 스위치를 설치하되 3접점 키 스위치의 중간 단자는 공통접속시켜 각각 다이오드(D1,D2)를 통해 마이컴(1)의 입력단자(Io1,Io2)에 연결하여서된 제2 및 3키 입력부(3,4)와를 구비하여서됨을 특징으로하는 키스캔 확장 장치.An existing first key input unit 2 provided with a plurality of key switches at intersections of the input and output terminals Io 1 -IO 4 and Q 1 -Q 4 of the microcomputer 1; Install a plurality of three-contact key switch at the intersection of the input and output terminals (Io 1 -Io 4 and Q 1 -Q 4 ) of the microcomputer (1), but the intermediate terminal of the three-contact key switch is connected to each other diode (D) And a second and third key input unit (3,4) connected to the input terminals (Io 1 , Io 2 ) of the microcomputer (1) through 1 , D 2 ). 마이컴(1)에서 기존의 제1키 입력부(2)의 키를 스캔하는 과정이후 마이컴(1)의 출력단자(Q1-Q4)를 디스에이블 시키고 이어서 입력단자(Io1)를 출력단자로 변환시켜 키 신호를 출력시켜며 다시 입력단자 (Io1-Io4)를 통해 키 신호를 입력받아 소정의 레지스터(C)에 기억시킨 다음 입력단자(Io2)를 출력단자로 변환시켜 키 신호를 출력시키고 다시 입력단자(Io1-Io4)를 통해 키 신호를 입력받아 소정의 레지스터(D)에 기억시킨 다음 제1 내지 제3키입력부(2-4)중 어느부의 키가 입력되었는가를 판별하여 키를 처리한후 종료하는 과정으로 이루어짐을 특징으로 하는 키스캔 확장 방법.After the process of scanning the existing key of the first key input unit 2 in the microcomputer 1, the output terminals Q 1 to Q 4 of the microcomputer 1 are disabled, and then the input terminal Io 1 is used as the output terminal. After converting the key signal, the key signal is inputted through input terminals (Io 1 -Io 4 ) and stored in a predetermined register (C), and then the input terminal (Io 2 ) is converted into an output terminal to convert the key signal. Outputs the key signal through the input terminals Io 1 -Io 4 and stores the key signal in a predetermined register D, and then determines which of the first to third key input units 2-4 is input. Kisscan expansion method characterized in that the process consisting of the process of closing the key after processing. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019900008039A 1990-05-31 1990-05-31 Key-scanning apparatus and method therefor KR930003829B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900008039A KR930003829B1 (en) 1990-05-31 1990-05-31 Key-scanning apparatus and method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900008039A KR930003829B1 (en) 1990-05-31 1990-05-31 Key-scanning apparatus and method therefor

Publications (2)

Publication Number Publication Date
KR910020540A true KR910020540A (en) 1991-12-20
KR930003829B1 KR930003829B1 (en) 1993-05-13

Family

ID=19299667

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900008039A KR930003829B1 (en) 1990-05-31 1990-05-31 Key-scanning apparatus and method therefor

Country Status (1)

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KR (1) KR930003829B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101408981B1 (en) * 2013-11-28 2014-06-17 주식회사 케빅 User manipulating apparatus for extensible audio matrix apparatus
KR101408980B1 (en) * 2013-11-28 2014-06-17 주식회사 케빅 Extensible audio matrix apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101408981B1 (en) * 2013-11-28 2014-06-17 주식회사 케빅 User manipulating apparatus for extensible audio matrix apparatus
KR101408980B1 (en) * 2013-11-28 2014-06-17 주식회사 케빅 Extensible audio matrix apparatus

Also Published As

Publication number Publication date
KR930003829B1 (en) 1993-05-13

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