KR910012884A - Keypad switch input system - Google Patents
Keypad switch input system Download PDFInfo
- Publication number
- KR910012884A KR910012884A KR1019890019706A KR890019706A KR910012884A KR 910012884 A KR910012884 A KR 910012884A KR 1019890019706 A KR1019890019706 A KR 1019890019706A KR 890019706 A KR890019706 A KR 890019706A KR 910012884 A KR910012884 A KR 910012884A
- Authority
- KR
- South Korea
- Prior art keywords
- data
- switch
- row
- input system
- keypad
- Prior art date
Links
Landscapes
- Input From Keyboards Or The Like (AREA)
Abstract
내용 없음.No content.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 본 발명의 키패드 스위치 입력 시스템 구성도.1 is a block diagram of the keypad switch input system of the present invention.
제2도는 제1도에 대한 신호흐름도.2 is a signal flow diagram for FIG.
Claims (2)
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 true KR910012884A (en) | 1991-08-08 |
KR940009743B1 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 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100442370B1 (en) * | 2002-07-25 | 2004-07-30 | 엘지전자 주식회사 | Key scan apparatus and method for mobile communication terminal |
-
1989
- 1989-12-27 KR KR89019706A patent/KR940009743B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100442370B1 (en) * | 2002-07-25 | 2004-07-30 | 엘지전자 주식회사 | Key scan apparatus and method for mobile communication terminal |
Also Published As
Publication number | Publication date |
---|---|
KR940009743B1 (en) | 1994-10-17 |
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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 |
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LAPS | Lapse due to unpaid annual fee |