JPS4971826A - - Google Patents
Info
- Publication number
- JPS4971826A JPS4971826A JP48107426A JP10742673A JPS4971826A JP S4971826 A JPS4971826 A JP S4971826A JP 48107426 A JP48107426 A JP 48107426A JP 10742673 A JP10742673 A JP 10742673A JP S4971826 A JPS4971826 A JP S4971826A
- 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
- H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
- H03K17/969—Switches controlled by moving an element forming part of the switch using opto-electronic devices 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
- H03M11/26—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys using opto-electronic means
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Input From Keyboards Or The Like (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Push-Button Switches (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4396572A GB1418318A (en) | 1972-09-22 | 1972-09-22 | Keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4971826A true JPS4971826A (en) | 1974-07-11 |
Family
ID=10431159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48107426A Pending JPS4971826A (en) | 1972-09-22 | 1973-09-22 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS4971826A (en) |
| GB (1) | GB1418318A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5976052U (en) * | 1982-11-15 | 1984-05-23 | 株式会社サンパツク | Non-contact switch for strobe |
| JPS63201281A (en) * | 1987-02-06 | 1988-08-19 | 張 英升 | Lock structure of automobile |
| JP2000132317A (en) * | 1998-10-21 | 2000-05-12 | Sharp Corp | Area sensor and input device using the same |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2860644D1 (en) * | 1977-07-08 | 1981-08-06 | Battelle Memorial Institute | Photoelectric control device |
| GB2133137A (en) * | 1983-01-07 | 1984-07-18 | Plessey Co Plc | Fibre optic light switch |
| FR2604658B1 (en) * | 1986-10-02 | 1994-05-20 | Souloumiac Alain | MATRIX SCAN KEYBOARD |
| FR2647947B1 (en) * | 1989-05-30 | 1993-03-26 | Techniphone | INTERFACE SYSTEM BETWEEN A CONTROL MEMBER SUCH AS A PUSH BUTTON AND A DEVICE FOR CLOSING AND OPENING AN ELECTRIC CIRCUIT |
| EP0558871A1 (en) * | 1992-03-03 | 1993-09-08 | Elma Electronic Ag | Touch-key switch having a layered structure |
-
1972
- 1972-09-22 GB GB4396572A patent/GB1418318A/en not_active Expired
-
1973
- 1973-09-22 JP JP48107426A patent/JPS4971826A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5976052U (en) * | 1982-11-15 | 1984-05-23 | 株式会社サンパツク | Non-contact switch for strobe |
| JPS63201281A (en) * | 1987-02-06 | 1988-08-19 | 張 英升 | Lock structure of automobile |
| JP2000132317A (en) * | 1998-10-21 | 2000-05-12 | Sharp Corp | Area sensor and input device using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1418318A (en) | 1975-12-17 |