FR2010089A1 - - Google Patents

Info

Publication number
FR2010089A1
FR2010089A1 FR6918174A FR6918174A FR2010089A1 FR 2010089 A1 FR2010089 A1 FR 2010089A1 FR 6918174 A FR6918174 A FR 6918174A FR 6918174 A FR6918174 A FR 6918174A FR 2010089 A1 FR2010089 A1 FR 2010089A1
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.)
Withdrawn
Application number
FR6918174A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ferranti International PLC
Original Assignee
Ferranti PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ferranti PLC filed Critical Ferranti PLC
Publication of FR2010089A1 publication Critical patent/FR2010089A1/fr
Withdrawn legal-status Critical Current

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
FR6918174A 1968-06-04 1969-06-03 Withdrawn FR2010089A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73446568A 1968-06-04 1968-06-04

Publications (1)

Publication Number Publication Date
FR2010089A1 true FR2010089A1 (en) 1970-02-13

Family

ID=24951803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6918174A Withdrawn FR2010089A1 (en) 1968-06-04 1969-06-03

Country Status (4)

Country Link
US (1) US3522442A (en)
DE (1) DE1928294B2 (en)
FR (1) FR2010089A1 (en)
GB (1) GB1215114A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4494109A (en) * 1978-09-27 1985-01-15 Bernin Victor M Noncontacting keyboard employing a transformer element
US4300127A (en) * 1978-09-27 1981-11-10 Bernin Victor M Solid state noncontacting keyboard employing a differential transformer element
DE2905282C2 (en) * 1979-02-12 1982-05-27 W. Gessmann GmbH, 7105 Leingarten Switching device that generates an electrical output variable due to a mechanical movement
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
DE3836733A1 (en) * 1988-10-28 1990-05-03 Mannesmann Kienzle Gmbh CIRCUIT ARRANGEMENT FOR SETTING THE TRIGGER POINT IN AN INDUCTIVE KEYBOARD
DE4411758B4 (en) * 1994-04-06 2006-04-13 Siemens Ag Device for detecting a mechanical contact between two components, in particular for motor vehicles
JPH10228314A (en) * 1997-02-14 1998-08-25 Nippon Signal Co Ltd:The Monitor device for signal transmission system by transformer coupling

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2347315A (en) * 1940-08-02 1944-04-25 Ferrocart Corp Radio receiver
US3054976A (en) * 1958-11-18 1962-09-18 Schaevitz Engineering Differential transformer
US3142762A (en) * 1960-01-22 1964-07-28 Kelk Ltd George Magnetically actuated switch device
US3313877A (en) * 1964-07-10 1967-04-11 Walter G Finch Electronic organ keying device

Also Published As

Publication number Publication date
DE1928294A1 (en) 1970-02-19
GB1215114A (en) 1970-12-09
US3522442A (en) 1970-08-04
DE1928294B2 (en) 1971-06-24

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Legal Events

Date Code Title Description
ST Notification of lapse