FR2332655A1 - Clavier de codage anti-rebonds muni de touches de repetition - Google Patents
Clavier de codage anti-rebonds muni de touches de repetitionInfo
- Publication number
- FR2332655A1 FR2332655A1 FR7635410A FR7635410A FR2332655A1 FR 2332655 A1 FR2332655 A1 FR 2332655A1 FR 7635410 A FR7635410 A FR 7635410A FR 7635410 A FR7635410 A FR 7635410A FR 2332655 A1 FR2332655 A1 FR 2332655A1
- Authority
- FR
- France
- Prior art keywords
- switch
- switching element
- integrated circuitry
- data
- hysteresis
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
- H03K17/98—Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard
-
- 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
- H03M11/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Input From Keyboards Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/634,970 US4024534A (en) | 1975-11-24 | 1975-11-24 | Keyboard encoding with repeat key pause |
US05/634,976 US4037225A (en) | 1975-11-25 | 1975-11-25 | Keyboard encoding system with electronic hysteresis |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2332655A1 true FR2332655A1 (fr) | 1977-06-17 |
Family
ID=27092275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7635410A Withdrawn FR2332655A1 (fr) | 1975-11-24 | 1976-11-24 | Clavier de codage anti-rebonds muni de touches de repetition |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2332655A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0023271A1 (fr) * | 1979-07-30 | 1981-02-04 | International Business Machines Corporation | Clavier d'entrée de données à touches à impédance variable contrôlé par microprocesseur |
FR2463956A1 (fr) * | 1979-08-24 | 1981-02-27 | Illinois Tool Works | Clavier electrique |
EP0106153A2 (fr) * | 1982-09-14 | 1984-04-25 | Kabushiki Kaisha Toshiba | Dispositif de commande de répétition d'un clavier à interface sérielle |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3750113A (en) * | 1971-11-12 | 1973-07-31 | Becton Dickinson Co | Capacitive keyboard |
US3786497A (en) * | 1972-07-31 | 1974-01-15 | Ibm | Matrix keyboard method and apparatus |
-
1976
- 1976-11-24 FR FR7635410A patent/FR2332655A1/fr not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3750113A (en) * | 1971-11-12 | 1973-07-31 | Becton Dickinson Co | Capacitive keyboard |
US3786497A (en) * | 1972-07-31 | 1974-01-15 | Ibm | Matrix keyboard method and apparatus |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0023271A1 (fr) * | 1979-07-30 | 1981-02-04 | International Business Machines Corporation | Clavier d'entrée de données à touches à impédance variable contrôlé par microprocesseur |
US4305135A (en) | 1979-07-30 | 1981-12-08 | International Business Machines Corp. | Program controlled capacitive keyboard variable threshold sensing system |
FR2463956A1 (fr) * | 1979-08-24 | 1981-02-27 | Illinois Tool Works | Clavier electrique |
EP0106153A2 (fr) * | 1982-09-14 | 1984-04-25 | Kabushiki Kaisha Toshiba | Dispositif de commande de répétition d'un clavier à interface sérielle |
EP0106153A3 (en) * | 1982-09-14 | 1985-05-22 | Kabushiki Kaisha Toshiba | A repeat control apparatus for a serial interface keyboard apparatus |
US4609908A (en) * | 1982-09-14 | 1986-09-02 | Tokyo Shibaura Denki Kabushiki Kaisha | Repeat control apparatus for a polling type serial interface keyboard apparatus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4055755A (en) | Switching assembly in combination wristwatch and calculator | |
ES427912A1 (es) | Un interruptor de circuito impreso flexible. | |
FR2585487B1 (fr) | Claviers pour ordinateurs, < a 70 cm2 et a moins de 13 contacts actionnes de facon combinee par les doigts d'une seule main | |
US3255417A (en) | Combining circuit | |
ATE80495T1 (de) | Vorrichtung an elektronischen tastaturen zur quittierung der tastenbetaetigung. | |
CH616816GA3 (fr) | ||
FR2332655A1 (fr) | Clavier de codage anti-rebonds muni de touches de repetition | |
GB2040091A (en) | Keyboard construction | |
GB1350785A (en) | Switching apparatus | |
ES8507299A1 (es) | Perfeccionamientos en circuitos integrados | |
DE60233430D1 (de) | Einrichtung mit kontaktlosem messeingang | |
GB1360349A (en) | Data collection system | |
JPS5762628A (en) | Pressure detection switch circuit | |
SU518016A1 (ru) | Устройство дл блокировки электронной клавиатуры | |
US4546399A (en) | Tape recorder | |
JPS5489176A (en) | Starting point signal generating circuit | |
ES8405971A1 (es) | Terminal de una instalacion de tratamiento de datos | |
JPS56124943A (en) | Character code input device | |
JPS5523475A (en) | Measuring instrument for indentation hardness | |
SU1282109A1 (ru) | Устройство дл ввода информации | |
SU1156047A1 (ru) | Устройство дл защиты от дребезга контактов | |
SU732838A1 (ru) | Устройство ввода символьной информации | |
JPS57103465A (en) | Audible signal detecting circuit | |
JPS6433621A (en) | Data input device | |
GB900495A (en) | Improvements in or relating to encoder circuit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |