GB2264801B - Computer keyboard - Google Patents

Computer keyboard

Info

Publication number: GB2264801B
Authority: GB; United Kingdom
Prior art keywords: computer keyboard; keyboard; computer
Prior art date: 1992-03-03
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

GB9301065A

Other versions

GB2264801A (en

GB9301065D0 (en

Inventor

Cheng-Wen Chen

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Silitek Corp

Original Assignee

Silitek Corp

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.)

1992-03-03

Filing date

1993-01-20

Publication date

1995-05-24

1993-01-20 Application filed by Silitek Corp filed Critical Silitek Corp

1993-03-10 Publication of GB9301065D0 publication Critical patent/GB9301065D0/en

1993-09-08 Publication of GB2264801A publication Critical patent/GB2264801A/en

1995-05-24 Application granted granted Critical

1995-05-24 Publication of GB2264801B publication Critical patent/GB2264801B/en

2013-01-20 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
- H03M11/20—Dynamic coding, i.e. by key scanning

Landscapes

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

GB9301065A 1992-03-03 1993-01-20 Computer keyboard Expired - Fee Related GB2264801B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19924206666 DE4206666A1 (en)	1992-03-03	1992-03-03	METHOD FOR PROCESSING THE SCAN, DETECTING PHANTOM BUTTONS AND CONTROLLING THE LED INDICATOR LAMPS IN A KEYBOARD INTERFACE BY MEANS OF TIMING TO IMPROVE THE PROCESSING TIME, THE CAPACITY OF THE INDIVIDUAL CHIPS AND THE FIRMWARE TO THE FIRMWARE

Publications (3)

Publication Number	Publication Date
GB9301065D0 GB9301065D0 (en)	1993-03-10
GB2264801A GB2264801A (en)	1993-09-08
GB2264801B true GB2264801B (en)	1995-05-24

Family

ID=6453119

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9301065A Expired - Fee Related GB2264801B (en)	1992-03-03	1993-01-20	Computer keyboard

Country Status (3)

Country	Link
CN (1)	CN1030628C (en)
DE (1)	DE4206666A1 (en)
GB (1)	GB2264801B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DD261452A1 (en) *	1987-05-25	1988-10-26	Dresden Geraetebau	CIRCUIT ARRANGEMENT OF A KEYBOARD ENTRY CHAIN CHAINED BY A DISPLAY UNIT
GB2222286A (en) *	1988-08-25	1990-02-28	Acer Inc	Method and apparatus for determining phanton switch condition

1992
- 1992-03-03 DE DE19924206666 patent/DE4206666A1/en not_active Ceased
- 1992-10-24 CN CN 92112593 patent/CN1030628C/en not_active Expired - Fee Related
1993
- 1993-01-20 GB GB9301065A patent/GB2264801B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
DE4206666A1 (en)	1993-09-09
GB2264801A (en)	1993-09-08
GB9301065D0 (en)	1993-03-10
CN1030628C (en)	1996-01-03
CN1076037A (en)	1993-09-08

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Legal Events

Date	Code	Title	Description
2000-09-06	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20000120