GB1197867A - Push-Button Matrix Switching Device - Google Patents

Push-Button Matrix Switching Device

Info

Publication number
GB1197867A
GB1197867A GB11463/69A GB1146369A GB1197867A GB 1197867 A GB1197867 A GB 1197867A GB 11463/69 A GB11463/69 A GB 11463/69A GB 1146369 A GB1146369 A GB 1146369A GB 1197867 A GB1197867 A GB 1197867A
Authority
GB
United Kingdom
Prior art keywords
carriers
contact
push
coupling members
contact units
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
GB11463/69A
Other languages
English (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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1197867A publication Critical patent/GB1197867A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006—Permanent magnet actuating reed switches
    • H01H36/004—Permanent magnet actuating reed switches push-button-operated, e.g. for keyboards

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
GB11463/69A 1968-03-07 1969-03-04 Push-Button Matrix Switching Device Expired GB1197867A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6803209A NL6803209A (de) 1968-03-07 1968-03-07

Publications (1)

Publication Number Publication Date
GB1197867A true GB1197867A (en) 1970-07-08

Family

ID=19802958

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11463/69A Expired GB1197867A (en) 1968-03-07 1969-03-04 Push-Button Matrix Switching Device

Country Status (11)

Country Link
US (1) US3539958A (de)
JP (1) JPS4617161B1 (de)
AT (1) AT292068B (de)
BE (1) BE729410A (de)
CH (1) CH497037A (de)
DE (1) DE1907743C3 (de)
ES (1) ES364391A1 (de)
FR (1) FR2003429A1 (de)
GB (1) GB1197867A (de)
NL (1) NL6803209A (de)
SE (1) SE384930B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702449A (en) * 1971-08-27 1972-11-07 Singer Co Keyboard assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL249801A (de) * 1959-03-21
GB1062504A (en) * 1965-10-01 1967-03-22 Standard Telephones Cables Ltd Improvements in or relating to push-button magnetic switches
US3292125A (en) * 1965-10-15 1966-12-13 Clary Corp Magnetically key operated switching device

Also Published As

Publication number Publication date
NL6803209A (de) 1969-09-09
ES364391A1 (es) 1971-02-01
SE384930B (sv) 1976-05-24
US3539958A (en) 1970-11-10
BE729410A (de) 1969-09-05
CH497037A (de) 1970-09-30
FR2003429A1 (de) 1969-11-07
AT292068B (de) 1971-08-10
JPS4617161B1 (de) 1971-05-12
DE1907743A1 (de) 1969-11-27
DE1907743B2 (de) 1979-07-05
DE1907743C3 (de) 1980-03-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee