GB2058458B - Key switch - Google Patents

Key switch

Info

Publication number
GB2058458B
GB2058458B GB8023892A GB8023892A GB2058458B GB 2058458 B GB2058458 B GB 2058458B GB 8023892 A GB8023892 A GB 8023892A GB 8023892 A GB8023892 A GB 8023892A GB 2058458 B GB2058458 B GB 2058458B
Authority
GB
United Kingdom
Prior art keywords
key switch
key
switch
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
GB8023892A
Other versions
GB2058458A (en
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
Publication of GB2058458A publication Critical patent/GB2058458A/en
Application granted granted Critical
Publication of GB2058458B publication Critical patent/GB2058458B/en
Expired 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
    • H01H13/02—Details
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H01H13/36—Snap-action arrangements depending upon deformation of elastic members using flexing of blade springs
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/032—Several contacts formed in one plate or layer
    • H01H2205/034—Several contacts formed in one plate or layer with snap action
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/028—Key stroke
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/032—Operating force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/03—Key modules mounted on support plate or frame
    • H01H2233/04—Key modules mounted on support plate or frame captured between assembled parts of support
    • H01H2233/042—Key modules mounted on support plate or frame captured between assembled parts of support with limited freedom
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/07—Cap or button on actuator part
    • H01H2233/074—Snap coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/022—Actuating striker
    • H01H2235/024—Actuating striker formed by knee or dimple of leaf spring
GB8023892A 1979-09-10 1980-07-22 Key switch Expired GB2058458B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7399479A 1979-09-10 1979-09-10

Publications (2)

Publication Number Publication Date
GB2058458A GB2058458A (en) 1981-04-08
GB2058458B true GB2058458B (en) 1983-12-14

Family

ID=22117061

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8023892A Expired GB2058458B (en) 1979-09-10 1980-07-22 Key switch
GB8112573A Expired GB2070864B (en) 1979-09-10 1980-07-22 Keyboard assembly

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8112573A Expired GB2070864B (en) 1979-09-10 1980-07-22 Keyboard assembly

Country Status (2)

Country Link
DE (1) DE3033808A1 (en)
GB (2) GB2058458B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4341934A (en) * 1980-11-21 1982-07-27 The Keyboard Company Actuator for keyboard switches
US4408252A (en) * 1982-02-16 1983-10-04 Becton Dickinson And Company Low profile keyboard switch
US4492829A (en) * 1982-02-25 1985-01-08 Rogers Corporation Tactile membrane keyboard with asymmetrical tactile key elements
US4436970A (en) * 1982-06-07 1984-03-13 Methode Electronics, Inc. Switch assemblies
IT1155954B (en) * 1982-09-28 1987-01-28 Olivetti & Co Spa CONTACT KEYBOARD
JPS59217914A (en) * 1983-05-25 1984-12-08 オータックス株式会社 Switch containing electronic circuit
GB2183916B (en) * 1985-11-13 1990-02-07 Devlin Electronics Limited Improvements relating to telephone keypads
JPH113627A (en) * 1997-06-10 1999-01-06 Alps Electric Co Ltd Switch
CN109599285A (en) * 2017-09-30 2019-04-09 北京小米移动软件有限公司 Press-key structure and electronic equipment

Also Published As

Publication number Publication date
GB2058458A (en) 1981-04-08
GB2070864B (en) 1983-12-21
GB2070864A (en) 1981-09-09
DE3033808A1 (en) 1981-04-02

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee