KR910010294A - Hangul mode display circuit of computer keyboard - Google Patents

Hangul mode display circuit of computer keyboard Download PDF

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Publication number
KR910010294A
KR910010294A KR1019890017314A KR890017314A KR910010294A KR 910010294 A KR910010294 A KR 910010294A KR 1019890017314 A KR1019890017314 A KR 1019890017314A KR 890017314 A KR890017314 A KR 890017314A KR 910010294 A KR910010294 A KR 910010294A
Authority
KR
South Korea
Prior art keywords
circuit
computer
exclusive logic
hangul mode
logic circuit
Prior art date
Application number
KR1019890017314A
Other languages
Korean (ko)
Other versions
KR940002470B1 (en
Inventor
조희철
Original Assignee
김용원
대우전자 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 김용원, 대우전자 주식회사 filed Critical 김용원
Priority to KR1019890017314A priority Critical patent/KR940002470B1/en
Publication of KR910010294A publication Critical patent/KR910010294A/en
Application granted granted Critical
Publication of KR940002470B1 publication Critical patent/KR940002470B1/en

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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

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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 없음.No content.

Description

컴퓨터 키보드의 한글모드(MODE)표시회로Hangul mode display circuit of computer keyboard

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 회로도.1 is a circuit diagram of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 컴퓨터 2 : 키보드1: computer 2: keyboard

3 : 한글모드 변환키 4,7,11 : 배타논리(EXCLUSIVE OR)회로3: Hangul mode conversion key 4,7,11: Exclusive logic circuit

5,9 : 오어(OR)회로 6,10 : 적분회로5,9 OR circuit 6,10 Integral circuit

8 : 카운터회로 C1-C2: 콘덴서8: Counter circuit C 1 -C 2 : Condenser

D1-D2: 다이오도 LED : 발광다이오드D 1 -D 2 : Diode LED: Light Emitting Diode

Q : 트랜지스터 R1-R4: 저항Q: transistor R 1 -R 4 : resistance

Claims (2)

영문 및 한글변환 모드기능이 있는 통상 컴퓨터 연결키보드에 있어서 영문과 한글의 식별을 발광다이오드(LED) 사용하여서된 것을 특징으로 한 컴퓨터 키보드의 한글모드 표시회로.A Hangul mode display circuit of a computer keyboard characterized by using a light emitting diode (LED) to distinguish between English and Korean in an ordinary computer connection keyboard having an English and Korean conversion mode function. 1항에 있어서, 한글모드 변환키(3)의 조작에 따른 신호를 배타논리회로(4)와 오어회로(5)의 일측단에 인가하고 컴퓨터(1)에서 키보드(2)의 한글모드 변환키(3)에 전송되는 특정신호를 배타논리회로(4)의 타측단자로 인가하되 이의 출력단을 오어회로(5) 타측단에 접속되도록 하며 상기 오어회로(5)의 출력신호를 다이오드(D1)와 적분회로(5)를 거쳐 일측단에 전원(Vcc)이 입력되는 배타논리회로(7)에 인가하는 한편 컴퓨터(1)의 리셋신호를 오어회로(a) 양단에 입력하되 이의 출력단을 다이오드(D2)와 적분회로(10)를 통하여 일측단자에 전원(Vcc)이 인가되는 배타논리회로(11)에 연결하며 각 배타논리회로(7)(11)의 출력측을 카운터회로(8) 크럭(CLK)단과 클리어(CLR)단에 인가하는 한편 상기 카운터회로(8)의 출력신호를 저항(R3)을 거쳐 트랜지스터(Q)베이스에 인가하며 클렉터측은 발광다이오드(LED)를 접속하여서된 것을 특징으로 하는 컴퓨터 키보드의 한글모드 표시회로.The method according to claim 1, wherein a signal according to the operation of the Hangul mode conversion key (3) is applied to one end of the exclusive logic circuit (4) and the OR circuit (5), and the Hangul mode conversion key of the keyboard (2) on the computer (1). The specific signal transmitted to (3) is applied to the other terminal of the exclusive logic circuit 4, and its output terminal is connected to the other end of the OR circuit 5, and the output signal of the OR circuit 5 is diode D 1 . And the exclusive logic circuit 7 to which the power supply Vcc is input to one end through the integrating circuit 5 and input the reset signal of the computer 1 to the both ends of the circuit a. D 2 ) and the integrating circuit 10 to the exclusive logic circuit 11 to which a power supply (Vcc) is applied to one terminal, and the output side of each exclusive logic circuit (7) (11) counter (8) clock ( CLK) applied to the transistor (Q) based an output signal of the other hand, the counter circuit 8 applied to the end and clear (CLR) only via a resistance (R 3) and Large collector side of the light emitting diode (LED) connected to the hayeoseo characterized in Hangul mode indication circuit of a computer keyboard to the. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890017314A 1989-11-28 1989-11-28 Mode display circuit on the computer keyboard KR940002470B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890017314A KR940002470B1 (en) 1989-11-28 1989-11-28 Mode display circuit on the computer keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890017314A KR940002470B1 (en) 1989-11-28 1989-11-28 Mode display circuit on the computer keyboard

Publications (2)

Publication Number Publication Date
KR910010294A true KR910010294A (en) 1991-06-29
KR940002470B1 KR940002470B1 (en) 1994-03-24

Family

ID=19292156

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890017314A KR940002470B1 (en) 1989-11-28 1989-11-28 Mode display circuit on the computer keyboard

Country Status (1)

Country Link
KR (1) KR940002470B1 (en)

Also Published As

Publication number Publication date
KR940002470B1 (en) 1994-03-24

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