FR2518334B1 - Clavier electrique a commande magnetique - Google Patents
Clavier electrique a commande magnetiqueInfo
- Publication number
- FR2518334B1 FR2518334B1 FR8123372A FR8123372A FR2518334B1 FR 2518334 B1 FR2518334 B1 FR 2518334B1 FR 8123372 A FR8123372 A FR 8123372A FR 8123372 A FR8123372 A FR 8123372A FR 2518334 B1 FR2518334 B1 FR 2518334B1
- Authority
- FR
- France
- Prior art keywords
- magnetic control
- electric keyboard
- keyboard
- electric
- magnetic
- Prior art date
- 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
- H03K17/97—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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8123372A FR2518334B1 (fr) | 1981-12-15 | 1981-12-15 | Clavier electrique a commande magnetique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8123372A FR2518334B1 (fr) | 1981-12-15 | 1981-12-15 | Clavier electrique a commande magnetique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2518334A1 FR2518334A1 (fr) | 1983-06-17 |
FR2518334B1 true FR2518334B1 (fr) | 1986-02-14 |
Family
ID=9265028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8123372A Expired FR2518334B1 (fr) | 1981-12-15 | 1981-12-15 | Clavier electrique a commande magnetique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2518334B1 (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1591179A (fr) * | 1968-10-30 | 1970-04-27 | ||
US3623080A (en) * | 1970-01-02 | 1971-11-23 | Bunker Ramo | Self-encoding keyboard employing eddy current shorting |
GB1389729A (en) * | 1971-03-23 | 1975-04-09 | Denki Onkyo Co Ltd | Decimal to binary converter |
-
1981
- 1981-12-15 FR FR8123372A patent/FR2518334B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2518334A1 (fr) | 1983-06-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |