JPS5245171B1 - - Google Patents
Info
- Publication number
- JPS5245171B1 JPS5245171B1 JP46073871A JP7387171A JPS5245171B1 JP S5245171 B1 JPS5245171 B1 JP S5245171B1 JP 46073871 A JP46073871 A JP 46073871A JP 7387171 A JP7387171 A JP 7387171A JP S5245171 B1 JPS5245171 B1 JP S5245171B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
- H03K17/972—Switches controlled by moving an element forming part of the switch using a magnetic 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
- H03M11/20—Dynamic coding, i.e. by key scanning
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7494970A | 1970-09-24 | 1970-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5245171B1 true JPS5245171B1 (ja) | 1977-11-14 |
Family
ID=22122613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46073871A Pending JPS5245171B1 (ja) | 1970-09-24 | 1971-09-23 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3668697A (ja) |
| JP (1) | JPS5245171B1 (ja) |
| CA (1) | CA939610A (ja) |
| DE (1) | DE2146012C3 (ja) |
| FR (1) | FR2131215A5 (ja) |
| GB (1) | GB1315885A (ja) |
| MY (1) | MY7500223A (ja) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4117438A (en) * | 1977-04-13 | 1978-09-26 | Datanetics Corporation | Contactless keyswitch for keyboards |
| JPS547717Y2 (ja) * | 1978-01-12 | 1979-04-10 | ||
| US4300127A (en) * | 1978-09-27 | 1981-11-10 | Bernin Victor M | Solid state noncontacting keyboard employing a differential transformer element |
| US4494109A (en) * | 1978-09-27 | 1985-01-15 | Bernin Victor M | Noncontacting keyboard employing a transformer element |
| US4283714A (en) * | 1979-08-08 | 1981-08-11 | Texas Instruments Incorporated | Magnetic keyboard system |
| US4401986A (en) * | 1979-12-26 | 1983-08-30 | Texas Instruments Incorporated | Position sensor and system |
| US4398180A (en) * | 1980-06-26 | 1983-08-09 | International Standard Electric Corporation | Contactless keyboard |
| DE3373990D1 (en) * | 1982-04-15 | 1987-11-12 | Standard Telephon & Radio Ag | Key element |
| DE3836733A1 (de) * | 1988-10-28 | 1990-05-03 | Mannesmann Kienzle Gmbh | Schaltungsanordnung zur einstellung des ausloesepunktes in einer induktiven tastatur |
| JP2733300B2 (ja) * | 1989-04-28 | 1998-03-30 | 松下電器産業株式会社 | キー入力装置 |
| WO2021081570A1 (en) | 2019-10-22 | 2021-04-29 | Azoteq (Pty) Ltd | Electronic device user interface |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2997703A (en) * | 1956-08-03 | 1961-08-22 | Clary Corp | Keyboard controlled circuitry |
| US3453598A (en) * | 1965-06-03 | 1969-07-01 | Nasco Design Corp | Credit card verifier using transformers |
| DE1549489B2 (de) * | 1967-03-18 | 1972-08-31 | Kienzle Apparate Gmbh, 7730 Villingen | Vorrichtung zur eingabe alphanumerischer informationen in datenverarbeitungsmaschinen |
| US3551865A (en) * | 1968-08-20 | 1970-12-29 | Transducer Systems Inc | Keyboard switch means |
-
1970
- 1970-09-24 US US74949A patent/US3668697A/en not_active Expired - Lifetime
-
1971
- 1971-08-31 CA CA121,855A patent/CA939610A/en not_active Expired
- 1971-09-13 GB GB4259171A patent/GB1315885A/en not_active Expired
- 1971-09-15 DE DE2146012A patent/DE2146012C3/de not_active Expired
- 1971-09-21 FR FR7133892A patent/FR2131215A5/fr not_active Expired
- 1971-09-23 JP JP46073871A patent/JPS5245171B1/ja active Pending
-
1975
- 1975-12-30 MY MY223/75A patent/MY7500223A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MY7500223A (en) | 1975-12-31 |
| DE2146012B2 (de) | 1974-07-18 |
| US3668697A (en) | 1972-06-06 |
| DE2146012A1 (de) | 1972-03-30 |
| GB1315885A (en) | 1973-05-02 |
| DE2146012C3 (de) | 1975-03-06 |
| CA939610A (en) | 1974-01-08 |
| FR2131215A5 (ja) | 1972-11-10 |