FR2503495B1 - - Google Patents
Info
- Publication number
- FR2503495B1 FR2503495B1 FR8106758A FR8106758A FR2503495B1 FR 2503495 B1 FR2503495 B1 FR 2503495B1 FR 8106758 A FR8106758 A FR 8106758A FR 8106758 A FR8106758 A FR 8106758A FR 2503495 B1 FR2503495 B1 FR 2503495B1
- 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
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
- H03K17/9622—Capacitive touch switches using a plurality of detectors, e.g. keyboard
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8106758A FR2503495A1 (fr) | 1981-04-03 | 1981-04-03 | Dispositif d'elimination des parasites recus dans un clavier capacitif et procede de mise en oeuvre de ce dispositif |
| EP82400554A EP0062572B1 (fr) | 1981-04-03 | 1982-03-26 | Clavier capacitif à structure antiparasite |
| US06/362,290 US4543564A (en) | 1981-04-03 | 1982-03-26 | Interference suppression apparatus for a capacitive keyboard |
| DE8282400554T DE3273873D1 (en) | 1981-04-03 | 1982-03-26 | Capacitive keyboard with anti-parasite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8106758A FR2503495A1 (fr) | 1981-04-03 | 1981-04-03 | Dispositif d'elimination des parasites recus dans un clavier capacitif et procede de mise en oeuvre de ce dispositif |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2503495A1 FR2503495A1 (fr) | 1982-10-08 |
| FR2503495B1 true FR2503495B1 (fr) | 1985-03-22 |
Family
ID=9256995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8106758A Granted FR2503495A1 (fr) | 1981-04-03 | 1981-04-03 | Dispositif d'elimination des parasites recus dans un clavier capacitif et procede de mise en oeuvre de ce dispositif |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2503495A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8424023D0 (en) * | 1984-09-22 | 1984-10-31 | Nobbs M J | Switch |
| CN115033116B (zh) * | 2022-08-10 | 2023-07-25 | 荣耀终端有限公司 | 一种键盘、显示***及显示设备的控制方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2333260A1 (de) * | 1972-07-07 | 1974-01-24 | Redac Software Ltd | Elektrische schaltungsanordnung zum erfassen der arbeitsweise einer elektrischen schalteranordnung |
| US3815127A (en) * | 1973-03-20 | 1974-06-04 | Control Data Corp | Data entry device |
| US4225807A (en) * | 1977-07-13 | 1980-09-30 | Sharp Kabushiki Kaisha | Readout scheme of a matrix type thin-film EL display panel |
| US4145748A (en) * | 1977-12-23 | 1979-03-20 | General Electric Company | Self-optimizing touch pad sensor circuit |
-
1981
- 1981-04-03 FR FR8106758A patent/FR2503495A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2503495A1 (fr) | 1982-10-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |