FR2501395B1 - - Google Patents
Info
- Publication number
- FR2501395B1 FR2501395B1 FR8203661A FR8203661A FR2501395B1 FR 2501395 B1 FR2501395 B1 FR 2501395B1 FR 8203661 A FR8203661 A FR 8203661A FR 8203661 A FR8203661 A FR 8203661A FR 2501395 B1 FR2501395 B1 FR 2501395B1
- Authority
- FR
- France
- 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
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8107181A GB2094529B (en) | 1981-03-06 | 1981-03-06 | Keyboard modules for use in data terminals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2501395A1 FR2501395A1 (fr) | 1982-09-10 |
| FR2501395B1 true FR2501395B1 (US20110009641A1-20110113-C00185.png) | 1984-11-02 |
Family
ID=10520214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8203661A Granted FR2501395A1 (fr) | 1981-03-06 | 1982-03-05 | Module de clavier pour terminal de traitement d'informations |
Country Status (4)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4595913A (en) * | 1983-02-10 | 1986-06-17 | Pie Associates | Capacitor touch activated switching system |
| SE443057B (sv) * | 1984-08-09 | 1986-02-10 | Tecator Ab | Anordning och sett for registrering av en utmed en strecka gjord analog legesangivelse som en digital signal |
| US4700377A (en) * | 1985-10-04 | 1987-10-13 | Sony Corporation | Selectively actuable electronic apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3244369A (en) * | 1964-09-25 | 1966-04-05 | Ibm | Input-output conversion apparatus |
| US3750113A (en) * | 1971-11-12 | 1973-07-31 | Becton Dickinson Co | Capacitive keyboard |
| US3921166A (en) * | 1972-09-15 | 1975-11-18 | Raytheon Co | Capacitance matrix keyboard |
| US3825926A (en) * | 1973-02-05 | 1974-07-23 | Ibm | Interfacing circuitry for connecting a remote keyboard with a data receiving buffer |
| GB1479584A (en) * | 1973-07-14 | 1977-07-13 | Solartron Electronic Group | Data terminals and data processing apparatus incorporating such terminals |
| US4078257A (en) * | 1976-08-23 | 1978-03-07 | Hewlett-Packard Company | Calculator apparatus with electronically alterable key symbols |
-
1981
- 1981-03-06 GB GB8107181A patent/GB2094529B/en not_active Expired
-
1982
- 1982-03-03 US US06/354,410 patent/US4494110A/en not_active Expired - Fee Related
- 1982-03-05 JP JP57035023A patent/JPS57174734A/ja active Granted
- 1982-03-05 FR FR8203661A patent/FR2501395A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2094529A (en) | 1982-09-15 |
| JPH0330890B2 (US20110009641A1-20110113-C00185.png) | 1991-05-01 |
| JPS57174734A (en) | 1982-10-27 |
| FR2501395A1 (fr) | 1982-09-10 |
| GB2094529B (en) | 1984-07-18 |
| US4494110A (en) | 1985-01-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |