SE7501814L - - Google Patents
Info
- Publication number
- SE7501814L SE7501814L SE7501814A SE7501814A SE7501814L SE 7501814 L SE7501814 L SE 7501814L SE 7501814 A SE7501814 A SE 7501814A SE 7501814 A SE7501814 A SE 7501814A SE 7501814 L SE7501814 L SE 7501814L
- Authority
- SE
- Sweden
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
- 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
- H03K2017/9706—Inductive element
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742408000 DE2408000C2 (de) | 1974-02-20 | Kontaktlose Tastatur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7501814L true SE7501814L (https=) | 1975-08-21 |
| SE407297B SE407297B (sv) | 1979-03-19 |
Family
ID=5907865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7501814A SE407297B (sv) | 1974-02-20 | 1975-02-18 | Tangentbord utan kontakter |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH579799A5 (https=) |
| IT (1) | IT1029767B (https=) |
| SE (1) | SE407297B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398180A (en) | 1980-06-26 | 1983-08-09 | International Standard Electric Corporation | Contactless keyboard |
-
1975
- 1975-01-21 CH CH70275A patent/CH579799A5/xx not_active IP Right Cessation
- 1975-02-18 IT IT4822075A patent/IT1029767B/it active
- 1975-02-18 SE SE7501814A patent/SE407297B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT1029767B (it) | 1979-03-20 |
| SE407297B (sv) | 1979-03-19 |
| CH579799A5 (https=) | 1976-09-15 |
| DE2408000B1 (de) | 1975-07-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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