KR940009743B1 - Key-pad switch input system - Google Patents

Key-pad switch input system Download PDF

Info

Publication number
KR940009743B1
KR940009743B1 KR89019706A KR890019706A KR940009743B1 KR 940009743 B1 KR940009743 B1 KR 940009743B1 KR 89019706 A KR89019706 A KR 89019706A KR 890019706 A KR890019706 A KR 890019706A KR 940009743 B1 KR940009743 B1 KR 940009743B1
Authority
KR
South Korea
Prior art keywords
pad switch
key
data
micro processor
key pad
Prior art date
Application number
KR89019706A
Other languages
English (en)
Other versions
KR910012884A (ko
Inventor
Sang-Dae Choe
Original Assignee
Gold Star Co
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 Gold Star Co filed Critical Gold Star Co
Priority to KR89019706A priority Critical patent/KR940009743B1/ko
Publication of KR910012884A publication Critical patent/KR910012884A/ko
Application granted granted Critical
Publication of KR940009743B1 publication Critical patent/KR940009743B1/ko

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)
KR89019706A 1989-12-27 1989-12-27 Key-pad switch input system KR940009743B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR89019706A KR940009743B1 (en) 1989-12-27 1989-12-27 Key-pad switch input system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR89019706A KR940009743B1 (en) 1989-12-27 1989-12-27 Key-pad switch input system

Publications (2)

Publication Number Publication Date
KR910012884A KR910012884A (ko) 1991-08-08
KR940009743B1 true KR940009743B1 (en) 1994-10-17

Family

ID=19293812

Family Applications (1)

Application Number Title Priority Date Filing Date
KR89019706A KR940009743B1 (en) 1989-12-27 1989-12-27 Key-pad switch input system

Country Status (1)

Country Link
KR (1) KR940009743B1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100442370B1 (ko) * 2002-07-25 2004-07-30 엘지전자 주식회사 이동통신단말기의 키 스캔장치 및 방법

Also Published As

Publication number Publication date
KR910012884A (ko) 1991-08-08

Similar Documents

Publication Publication Date Title
KR850007154A (ko) Lsi메모리회로
KR960020510A (ko) 줄길이복호화기
EP0401521A3 (en) Semiconductor memory device
KR850002617A (ko) 마이크로 컴퓨터의 기억페이징 시스템
KR930011453A (ko) 비타비 복호 장치
KR940009743B1 (en) Key-pad switch input system
JPS6471338A (en) Circuit device for evaluating control signal
KR840001410A (ko) 프로그램 가능 논리장치
KR910006852A (ko) 메모리 제어 시스템 및 방법
JPS5616980A (en) Write-in system of one-bit of memory
KR910006993A (ko) 캐시 동작용 선택성 어드레스 전이 검출 회로를 갖고 있는 메모리
TW353175B (en) Decoding method of synchronous semiconductor memory device and decoding circuit thereof
TW332295B (en) Semiconductor memory with sensing stability
KR890005612A (ko) 메모리 뱅크 선택회로
EP0496002A4 (en) Register circuit
KR910012969A (ko) 양방향 병렬포트
JPS6479792A (en) Memory
KR910012880A (ko) I/o 포트를 통한 메모리 팩 인터페이스 로직회로
KR900011657A (ko) 엘리베이터의 신호 전송장치
KR840003373A (ko) 번지수 범위가 큰 메모리소자로된 다수 벵크(bank)메모리 시스템에서 일정번지수 영역을 공통벵크로 사용하는 회로
KR920004978A (ko) 마이크로 프로세서의 입출력 기능을 이용한 어드레스 확장법
KR950022598A (ko) 리셋 출력회로
KR920003714A (ko) 공간 분할 교환의 출력 경로 점유 지시 장치
JPS6455660A (en) Memory circuit
KR970051157A (ko) 반도체 메모리

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: 19971229

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee