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GB2029105B - Electric contact array for telephone keypad - Google Patents

Electric contact array for telephone keypad

Info

Publication number
GB2029105B
GB2029105B GB7831809A GB7831809A GB2029105B GB 2029105 B GB2029105 B GB 2029105B GB 7831809 A GB7831809 A GB 7831809A GB 7831809 A GB7831809 A GB 7831809A GB 2029105 B GB2029105 B GB 2029105B
Authority
GB
United Kingdom
Prior art keywords
electric contact
telephone keypad
contact array
keypad
telephone
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
GB7831809A
Other versions
GB2029105A (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.)
STC PLC
Original Assignee
Standard Telephone and Cables 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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB7831809A priority Critical patent/GB2029105B/en
Priority to ZA793379A priority patent/ZA793379B/en
Priority to AU49173/79A priority patent/AU4917379A/en
Publication of GB2029105A publication Critical patent/GB2029105A/en
Application granted granted Critical
Publication of GB2029105B publication Critical patent/GB2029105B/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
    • H01H13/70—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
    • H01H13/7013—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 in which the movable contacts of each switch site or of a row of switch sites are formed in a single plate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/18—Contacts characterised by the manner in which co-operating contacts engage by abutting with subsequent sliding
GB7831809A 1978-08-01 1978-08-01 Electric contact array for telephone keypad Expired GB2029105B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB7831809A GB2029105B (en) 1978-08-01 1978-08-01 Electric contact array for telephone keypad
ZA793379A ZA793379B (en) 1978-08-01 1979-07-06 Electrical contact
AU49173/79A AU4917379A (en) 1978-08-01 1979-07-24 Electrical contact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7831809A GB2029105B (en) 1978-08-01 1978-08-01 Electric contact array for telephone keypad

Publications (2)

Publication Number Publication Date
GB2029105A GB2029105A (en) 1980-03-12
GB2029105B true GB2029105B (en) 1982-07-14

Family

ID=10498787

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7831809A Expired GB2029105B (en) 1978-08-01 1978-08-01 Electric contact array for telephone keypad

Country Status (3)

Country Link
AU (1) AU4917379A (en)
GB (1) GB2029105B (en)
ZA (1) ZA793379B (en)

Families Citing this family (4)

* 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
US4689608A (en) * 1985-01-22 1987-08-25 International Business Machines Corporation Magnetically snap actuated contact keyboard apparatus
US6064016A (en) * 1998-08-04 2000-05-16 Itt Manufacturing Enterprises, Inc. Wiper switch terminal and contact
FR2967290B1 (en) * 2010-11-10 2013-07-19 Seb Sa HOUSEHOLD APPLIANCE HOUSING COMPRISING A SWITCH

Also Published As

Publication number Publication date
AU4917379A (en) 1980-02-21
ZA793379B (en) 1980-07-30
GB2029105A (en) 1980-03-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee