DE3576896D1 - Tastensteuerungsvorrichtung. - Google Patents
Tastensteuerungsvorrichtung.Info
- Publication number
- DE3576896D1 DE3576896D1 DE8585402460T DE3576896T DE3576896D1 DE 3576896 D1 DE3576896 D1 DE 3576896D1 DE 8585402460 T DE8585402460 T DE 8585402460T DE 3576896 T DE3576896 T DE 3576896T DE 3576896 D1 DE3576896 D1 DE 3576896D1
- Authority
- DE
- Germany
- Prior art keywords
- control device
- key control
- key
- control
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8419514A FR2575305B1 (fr) | 1984-12-20 | 1984-12-20 | Dispositif de commande par touches |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3576896D1 true DE3576896D1 (de) | 1990-05-03 |
Family
ID=9310815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585402460T Expired - Fee Related DE3576896D1 (de) | 1984-12-20 | 1985-12-10 | Tastensteuerungsvorrichtung. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0188151B1 (de) |
JP (1) | JPS61150022A (de) |
DE (1) | DE3576896D1 (de) |
FR (1) | FR2575305B1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2603718B1 (fr) * | 1986-09-04 | 1991-10-11 | Alexanian Serge | Clavier a gestion de touches |
JP2757992B2 (ja) * | 1988-02-12 | 1998-05-25 | キヤノン株式会社 | 入力装置 |
US4906993A (en) * | 1988-04-04 | 1990-03-06 | John Fluke Mfg. Co., Inc. | Keyboard scanner apparatus and method |
NL8901018A (nl) * | 1989-04-24 | 1990-11-16 | Philips Nv | Electronisch telefoontoestel. |
FR2650433A1 (fr) * | 1989-07-25 | 1991-02-01 | Alcatel Business Systems | Clavier de terminal grand public |
US4959831A (en) * | 1989-07-31 | 1990-09-25 | Chrysler Corporation | Single wire bus smart keypad controller system |
DE3937140A1 (de) * | 1989-11-08 | 1991-05-23 | Blaupunkt Werke Gmbh | Schaltungsanordnung zur abfrage des bedienungszustandes von funktionstasten |
AU677437B2 (en) * | 1993-11-11 | 1997-04-24 | Alcatel Australia Limited | Keyboard/microprocessor interface |
GB2283846B (en) * | 1993-11-11 | 1997-07-16 | Alcatel Australia | Arrangement for interfacing a keyboard with a microprocessor |
US5900829A (en) * | 1996-07-23 | 1999-05-04 | Motorola, Inc. | Method of and apparatus for detecting key actuations |
KR100387056B1 (ko) | 2001-01-10 | 2003-06-12 | 삼성전자주식회사 | 키 인식방법 및 장치 |
CN108491091B (zh) * | 2016-01-05 | 2019-10-18 | 湖南工业大学 | 一种独立式键盘状态识别及编码方法 |
CN105677050B (zh) * | 2016-01-05 | 2018-06-15 | 湖南工业大学 | 独立式键盘扫描电路及扫描编码方法 |
CN105677051B (zh) * | 2016-01-05 | 2018-06-15 | 湖南工业大学 | 独立式键盘扫描电路及编码电路 |
CN108572739B (zh) * | 2016-01-05 | 2021-03-16 | 湖南工业大学 | 一种矩阵式键盘扫描编码方法 |
CN105700695B (zh) * | 2016-01-05 | 2018-07-24 | 湖南工业大学 | 矩阵式键盘扫描电路及编码电路 |
CN108388353B (zh) * | 2016-01-05 | 2021-03-16 | 湖南工业大学 | 一种独立式键盘操作识别及编码方法 |
CN105677055B (zh) * | 2016-01-05 | 2018-06-15 | 湖南工业大学 | 矩阵式键盘扫描电路及方法 |
CN108509055B (zh) * | 2016-01-05 | 2021-03-16 | 湖南工业大学 | 一种独立式键盘扫描定位方法 |
CN108847847B (zh) * | 2016-01-05 | 2022-03-18 | 湖南工业大学 | 一种键盘状态变化脉冲产生方法 |
CN105700697B (zh) * | 2016-01-05 | 2018-05-25 | 湖南工业大学 | 独立式键盘扫描电路及方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2815234A1 (de) * | 1978-04-08 | 1979-10-18 | Bosch Gmbh Robert | Schaltungsanordnung zur eingabe von informationen in eine mikroprozessorschaltung |
-
1984
- 1984-12-20 FR FR8419514A patent/FR2575305B1/fr not_active Expired
-
1985
- 1985-12-10 DE DE8585402460T patent/DE3576896D1/de not_active Expired - Fee Related
- 1985-12-10 EP EP19850402460 patent/EP0188151B1/de not_active Expired - Lifetime
- 1985-12-19 JP JP60284533A patent/JPS61150022A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0188151A1 (de) | 1986-07-23 |
FR2575305B1 (fr) | 1987-02-13 |
EP0188151B1 (de) | 1990-03-28 |
FR2575305A1 (fr) | 1986-06-27 |
JPS61150022A (ja) | 1986-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |