CA2186789A1 - Clavier et touches ergonomiques - Google Patents

Clavier et touches ergonomiques

Info

Publication number
CA2186789A1
CA2186789A1 CA 2186789 CA2186789A CA2186789A1 CA 2186789 A1 CA2186789 A1 CA 2186789A1 CA 2186789 CA2186789 CA 2186789 CA 2186789 A CA2186789 A CA 2186789A CA 2186789 A1 CA2186789 A1 CA 2186789A1
Authority
CA
Canada
Prior art keywords
key
keyboard
computer keyboard
keys
membrane
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.)
Granted
Application number
CA 2186789
Other languages
English (en)
Other versions
CA2186789C (fr
Inventor
David Macdonald
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA 2186789 priority Critical patent/CA2186789C/fr
Publication of CA2186789A1 publication Critical patent/CA2186789A1/fr
Application granted granted Critical
Publication of CA2186789C publication Critical patent/CA2186789C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/016—Pressure reduction membrane; Spreader layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/044—Repetitive strain injury [RSI] considerations

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
CA 2186789 1996-09-30 1996-09-30 Clavier et touches ergonomiques Expired - Fee Related CA2186789C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2186789 CA2186789C (fr) 1996-09-30 1996-09-30 Clavier et touches ergonomiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2186789 CA2186789C (fr) 1996-09-30 1996-09-30 Clavier et touches ergonomiques

Publications (2)

Publication Number Publication Date
CA2186789A1 true CA2186789A1 (fr) 1998-03-31
CA2186789C CA2186789C (fr) 2006-01-31

Family

ID=4158986

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2186789 Expired - Fee Related CA2186789C (fr) 1996-09-30 1996-09-30 Clavier et touches ergonomiques

Country Status (1)

Country Link
CA (1) CA2186789C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230075496A1 (en) * 2021-09-08 2023-03-09 Illinois Tool Works Inc. Electrical contact assembly

Also Published As

Publication number Publication date
CA2186789C (fr) 2006-01-31

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed