CN1737734B - 用于电子设备的、具有增加数目的按键的键盘 - Google Patents
用于电子设备的、具有增加数目的按键的键盘 Download PDFInfo
- Publication number
- CN1737734B CN1737734B CN2005100922823A CN200510092282A CN1737734B CN 1737734 B CN1737734 B CN 1737734B CN 2005100922823 A CN2005100922823 A CN 2005100922823A CN 200510092282 A CN200510092282 A CN 200510092282A CN 1737734 B CN1737734 B CN 1737734B
- Authority
- CN
- China
- Prior art keywords
- transmission line
- output
- input
- main
- key
- Prior art date
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims description 77
- 230000006870 function Effects 0.000 claims description 11
- 230000005055 memory storage Effects 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 2
- 230000000875 corresponding effect Effects 0.000 description 15
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- 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)
- Input From Keyboards Or The Like (AREA)
- Cash Registers Or Receiving Machines (AREA)
- Telephone Function (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0451483A FR2872932B1 (fr) | 2004-07-09 | 2004-07-09 | Clavier de saisie a nombre de touches accru, pour un equipement electronique a nombre de pattes de connexion limite |
FR0451483 | 2004-07-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1737734A CN1737734A (zh) | 2006-02-22 |
CN1737734B true CN1737734B (zh) | 2010-06-16 |
Family
ID=34947798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005100922823A Expired - Fee Related CN1737734B (zh) | 2004-07-09 | 2005-07-11 | 用于电子设备的、具有增加数目的按键的键盘 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7439955B2 (zh) |
EP (1) | EP1615344B1 (zh) |
CN (1) | CN1737734B (zh) |
AT (1) | ATE375629T1 (zh) |
DE (1) | DE602005002789T2 (zh) |
ES (1) | ES2296112T3 (zh) |
FR (1) | FR2872932B1 (zh) |
PT (1) | PT1615344E (zh) |
TW (1) | TWI369624B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009043197A1 (en) * | 2007-09-29 | 2009-04-09 | Zoran Corporation | Methods and systems of scanning an input device having multiple key switches |
CN102075195B (zh) * | 2009-11-19 | 2014-09-17 | 深圳富泰宏精密工业有限公司 | 按键编码电路 |
TWI644234B (zh) * | 2017-12-26 | 2018-12-11 | 群光電子股份有限公司 | 鍵盤控制系統及其電腦輸入系統 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4583092A (en) * | 1982-12-08 | 1986-04-15 | Tokyo Shibaura Denki Kabushiki Kaisha | Sweep circuit of key matrix |
EP0427364A2 (en) * | 1989-11-06 | 1991-05-15 | Acer Incorporated | An encoding circuit for a keyboard |
CN1055358C (zh) * | 1994-01-15 | 2000-08-09 | 联华电子股份有限公司 | 键盘扫描及附加输入检测的装置及方法 |
CN1087450C (zh) * | 1997-01-23 | 2002-07-10 | 盛群半导体股份有限公司 | 键盘扫描电路及扫描方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5553762A (en) * | 1978-10-14 | 1980-04-19 | Canon Inc | Computer with function for function |
JPS607808B2 (ja) * | 1979-08-24 | 1985-02-27 | 株式会社東芝 | キ−入力回路 |
US6630927B2 (en) * | 2001-02-15 | 2003-10-07 | Microsoft Corporation | Keyboard key discrimination employing drive line/sense line combinations and accomodating simultaneous key press conditions |
US7123241B2 (en) * | 2003-09-16 | 2006-10-17 | Microsoft Corporation | Quantitatively force-sensing computer keyboard |
-
2004
- 2004-07-09 FR FR0451483A patent/FR2872932B1/fr not_active Expired - Lifetime
-
2005
- 2005-07-05 US US11/175,011 patent/US7439955B2/en not_active Expired - Fee Related
- 2005-07-06 TW TW094122882A patent/TWI369624B/zh not_active IP Right Cessation
- 2005-07-07 ES ES05300566T patent/ES2296112T3/es active Active
- 2005-07-07 AT AT05300566T patent/ATE375629T1/de not_active IP Right Cessation
- 2005-07-07 PT PT05300566T patent/PT1615344E/pt unknown
- 2005-07-07 EP EP05300566A patent/EP1615344B1/fr active Active
- 2005-07-07 DE DE602005002789T patent/DE602005002789T2/de active Active
- 2005-07-11 CN CN2005100922823A patent/CN1737734B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4583092A (en) * | 1982-12-08 | 1986-04-15 | Tokyo Shibaura Denki Kabushiki Kaisha | Sweep circuit of key matrix |
EP0427364A2 (en) * | 1989-11-06 | 1991-05-15 | Acer Incorporated | An encoding circuit for a keyboard |
CN1055358C (zh) * | 1994-01-15 | 2000-08-09 | 联华电子股份有限公司 | 键盘扫描及附加输入检测的装置及方法 |
CN1087450C (zh) * | 1997-01-23 | 2002-07-10 | 盛群半导体股份有限公司 | 键盘扫描电路及扫描方法 |
Also Published As
Publication number | Publication date |
---|---|
US20060066577A1 (en) | 2006-03-30 |
DE602005002789D1 (de) | 2007-11-22 |
ATE375629T1 (de) | 2007-10-15 |
PT1615344E (pt) | 2008-01-15 |
FR2872932B1 (fr) | 2008-05-09 |
EP1615344B1 (fr) | 2007-10-10 |
EP1615344A1 (fr) | 2006-01-11 |
FR2872932A1 (fr) | 2006-01-13 |
TW200617752A (en) | 2006-06-01 |
ES2296112T3 (es) | 2008-04-16 |
TWI369624B (en) | 2012-08-01 |
CN1737734A (zh) | 2006-02-22 |
US7439955B2 (en) | 2008-10-21 |
DE602005002789T2 (de) | 2008-08-28 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: IPG ELECTRONIC 504 CO., LTD. Free format text: FORMER OWNER: TCL+ ALCATEL MOBILE PHONES CO., LTD. Effective date: 20090828 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20090828 Address after: Channel Islands Applicant after: TCL & Alcatel Mobile Phones Ltd. Address before: Hongkong Kowloon Applicant before: TCL & ALCATEL MOBILE PHONES Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: WEICHUANGLI INNOVATION DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: IPG ELECTRONICS 504 LIMITED Effective date: 20140605 Owner name: DRNC HOLDINGS, INC. Free format text: FORMER OWNER: Z124 COMPANY Effective date: 20140605 |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: Z124 COMPANY Free format text: FORMER NAME: IMERJ LTD. Owner name: IMERJ LTD. Free format text: FORMER NAME: WEICHUANGLI INNOVATION DEVELOPMENT CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Grand Cayman, Cayman Islands Patentee after: ImerJ Ltd. Address before: Grand Cayman, Cayman Islands Patentee before: Flextronics Innovation Development Co.,Ltd. Address after: Grand Cayman, Cayman Islands Patentee after: Z124 Co. Address before: Grand Cayman, Cayman Islands Patentee before: ImerJ Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20140605 Address after: Grand Cayman, Cayman Islands Patentee after: Flextronics Innovation Development Co.,Ltd. Address before: Channel Islands Patentee before: TCL & Alcatel Mobile Phones Ltd. Effective date of registration: 20140605 Address after: Delaware Patentee after: TAG-COMM Inc. Address before: Grand Cayman, Cayman Islands Patentee before: Z124 Co. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20180711 |