CA1204840A - Clavier sans contact - Google Patents

Clavier sans contact

Info

Publication number
CA1204840A
CA1204840A CA000425273A CA425273A CA1204840A CA 1204840 A CA1204840 A CA 1204840A CA 000425273 A CA000425273 A CA 000425273A CA 425273 A CA425273 A CA 425273A CA 1204840 A CA1204840 A CA 1204840A
Authority
CA
Canada
Prior art keywords
key
signal
operated
multiplier
output signal
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
Application number
CA000425273A
Other languages
English (en)
Inventor
Johannes P. Rometsch
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of CA1204840A publication Critical patent/CA1204840A/fr
Expired 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
    • 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

Landscapes

  • Input From Keyboards Or The Like (AREA)
CA000425273A 1982-04-07 1983-04-06 Clavier sans contact Expired CA1204840A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2154/82-1 1982-04-07
CH215482 1982-04-07

Publications (1)

Publication Number Publication Date
CA1204840A true CA1204840A (fr) 1986-05-20

Family

ID=4227142

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000425273A Expired CA1204840A (fr) 1982-04-07 1983-04-06 Clavier sans contact

Country Status (4)

Country Link
EP (1) EP0105287A1 (fr)
CA (1) CA1204840A (fr)
IT (1) IT1163231B (fr)
WO (1) WO1983003725A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3698531A (en) * 1970-10-26 1972-10-17 Illinois Tool Works Solid state switch
DE2538531A1 (de) * 1975-08-29 1977-03-10 Siemens Ag Beruehrungslos arbeitender naeherungsschalter
US4398180A (en) * 1980-06-26 1983-08-09 International Standard Electric Corporation Contactless keyboard

Also Published As

Publication number Publication date
EP0105287A1 (fr) 1984-04-18
WO1983003725A1 (fr) 1983-10-27
IT8320467A0 (it) 1983-04-06
IT1163231B (it) 1987-04-08

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Legal Events

Date Code Title Description
MKEX Expiry