FR2156860A1 - - Google Patents

Info

Publication number
FR2156860A1
FR2156860A1 FR7237213A FR7237213A FR2156860A1 FR 2156860 A1 FR2156860 A1 FR 2156860A1 FR 7237213 A FR7237213 A FR 7237213A FR 7237213 A FR7237213 A FR 7237213A FR 2156860 A1 FR2156860 A1 FR 2156860A1
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Withdrawn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
FR7237213A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2156860A1 publication Critical patent/FR2156860A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/72—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/05—Tactile feedback electromechanical
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/06—Reflector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/01—Miscellaneous combined with other elements on the same substrate
    • H01H2239/012—Decoding impedances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
    • H01H3/503—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring making use of electromagnets
FR7237213A 1971-10-22 1972-10-20 Withdrawn FR2156860A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19192471A 1971-10-22 1971-10-22

Publications (1)

Publication Number Publication Date
FR2156860A1 true FR2156860A1 (en) 1973-06-01

Family

ID=22707475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7237213A Withdrawn FR2156860A1 (en) 1971-10-22 1972-10-20

Country Status (4)

Country Link
US (1) US3705367A (en)
JP (1) JPS4850269A (en)
DE (1) DE2251485A1 (en)
FR (1) FR2156860A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831730A (en) * 1973-01-31 1974-08-27 D Koeppe Keyboards
JPS534084Y2 (en) * 1973-06-09 1978-02-01
JPS5339203Y2 (en) * 1973-11-24 1978-09-22
US4405918A (en) * 1980-03-03 1983-09-20 Texas Instruments Incorporated Current sensing of capacitive keyboard arrays

Also Published As

Publication number Publication date
JPS4850269A (en) 1973-07-16
DE2251485A1 (en) 1973-04-26
US3705367A (en) 1972-12-05

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Legal Events

Date Code Title Description
ST Notification of lapse