CA998197A - Open contact matrix switch - Google Patents

Open contact matrix switch

Info

Publication number
CA998197A
CA998197A CA194,183A CA194183A CA998197A CA 998197 A CA998197 A CA 998197A CA 194183 A CA194183 A CA 194183A CA 998197 A CA998197 A CA 998197A
Authority
CA
Canada
Prior art keywords
open contact
matrix switch
contact matrix
switch
open
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
CA194,183A
Other versions
CA194183S (en
Inventor
Maurice D. Mccormick
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.)
GTE Automatic Electric Laboratories Inc
Original Assignee
GTE Automatic Electric Laboratories Inc
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 GTE Automatic Electric Laboratories Inc filed Critical GTE Automatic Electric Laboratories Inc
Application granted granted Critical
Publication of CA998197A publication Critical patent/CA998197A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch
CA194,183A 1973-07-18 1974-03-06 Open contact matrix switch Expired CA998197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US380432A US3863044A (en) 1973-07-18 1973-07-18 Open contact matrix switch

Publications (1)

Publication Number Publication Date
CA998197A true CA998197A (en) 1976-10-05

Family

ID=23501140

Family Applications (1)

Application Number Title Priority Date Filing Date
CA194,183A Expired CA998197A (en) 1973-07-18 1974-03-06 Open contact matrix switch

Country Status (2)

Country Link
US (1) US3863044A (en)
CA (1) CA998197A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7303599A (en) * 1973-03-15 1974-09-17
US4138197A (en) * 1975-12-22 1979-02-06 National Controls, Inc. Key actuator
US4141658A (en) * 1977-06-29 1979-02-27 Ricca Tom L Attachment for remote control of a keyboard
JPS5791981A (en) * 1980-11-28 1982-06-08 Takeda Chem Ind Ltd Novel polyglycidyl compound and its preparation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516772A (en) * 1948-04-10 1950-07-25 Bell Telephone Labor Inc Cross-wire switch
US2942068A (en) * 1955-01-19 1960-06-21 Itt Coordinate switching unit
US3157753A (en) * 1962-02-13 1964-11-17 Paul A Klann Electric switching assembly useful as a key action for organs
GB1116556A (en) * 1965-08-12 1968-06-06 Gen Electric Co Ltd Improvements in or relating to electromagnetic relays
FR1507212A (en) * 1966-10-20 1967-12-29 Constr Telephoniques Mechanically maintained cross-bar multi-selector
FR1527209A (en) * 1967-04-21 1968-05-31 Constr Telephoniques Miniature cross bar multiselector
US3445795A (en) * 1967-10-02 1969-05-20 Bell Telephone Labor Inc Crossbar switch
US3662301A (en) * 1970-05-27 1972-05-09 Frederick H Clymer Jr Switching system
BE786866A (en) * 1971-07-29 1973-01-29 Gte Automatic Electric Lab Inc MINIATURE CROSS-BAR SWITCH

Also Published As

Publication number Publication date
US3863044A (en) 1975-01-28

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