NL7312430A - - Google Patents

Info

Publication number
NL7312430A
NL7312430A NL7312430A NL7312430A NL7312430A NL 7312430 A NL7312430 A NL 7312430A NL 7312430 A NL7312430 A NL 7312430A NL 7312430 A NL7312430 A NL 7312430A NL 7312430 A NL7312430 A NL 7312430A
Authority
NL
Netherlands
Application number
NL7312430A
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
Priority claimed from JP1973022310U external-priority patent/JPS5327328Y2/ja
Priority claimed from JP2093873A external-priority patent/JPS5331537B2/ja
Priority claimed from JP3406773U external-priority patent/JPS5327330Y2/ja
Priority claimed from JP1973037336U external-priority patent/JPS5512331Y2/ja
Priority claimed from JP3840373U external-priority patent/JPS5512332Y2/ja
Application filed filed Critical
Publication of NL7312430A publication Critical patent/NL7312430A/xx

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2237/00—Mechanism between key and laykey
NL7312430A 1973-02-20 1973-09-10 NL7312430A (enrdf_load_stackoverflow)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP1973022310U JPS5327328Y2 (enrdf_load_stackoverflow) 1973-02-20 1973-02-20
JP2093873A JPS5331537B2 (enrdf_load_stackoverflow) 1973-02-20 1973-02-20
JP3406773U JPS5327330Y2 (enrdf_load_stackoverflow) 1973-03-20 1973-03-20
JP1973037336U JPS5512331Y2 (enrdf_load_stackoverflow) 1973-03-27 1973-03-27
JP3840373U JPS5512332Y2 (enrdf_load_stackoverflow) 1973-03-29 1973-03-29

Publications (1)

Publication Number Publication Date
NL7312430A true NL7312430A (enrdf_load_stackoverflow) 1974-08-22

Family

ID=27520272

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7312430A NL7312430A (enrdf_load_stackoverflow) 1973-02-20 1973-09-10

Country Status (6)

Country Link
US (1) US3911233A (enrdf_load_stackoverflow)
DE (1) DE2345578A1 (enrdf_load_stackoverflow)
FR (1) FR2218636B1 (enrdf_load_stackoverflow)
GB (1) GB1396467A (enrdf_load_stackoverflow)
IT (1) IT1000056B (enrdf_load_stackoverflow)
NL (1) NL7312430A (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032728A (en) * 1974-12-20 1977-06-28 Olympia Werke Ag Push button switch
US4109118A (en) * 1976-09-01 1978-08-22 Victor Kley Keyswitch pad
US4242546A (en) 1978-11-06 1980-12-30 International Telephone And Telegraph Corporation Electrical push-button switch
US4418605A (en) * 1980-06-25 1983-12-06 Pratt-Read Corporation Keyboard for musical instrument
DE3123438C2 (de) * 1981-06-12 1985-02-07 Wilhelm Ruf KG, 8000 München Schaltanordnung
US4500756A (en) * 1982-03-19 1985-02-19 Pratt-Read Corporation Keyboard switch having a deformable membrane formed of cellular urethane
JPS59101724A (ja) * 1982-11-30 1984-06-12 日本メクトロン株式会社 キ−ボ−ドスイツチ
GB8303679D0 (en) * 1983-02-10 1983-03-16 Gould Instr Ltd Variable control device
US4456800A (en) * 1983-05-25 1984-06-26 Allen-Bradley Company Planar contact array switch having improved ground path for dissipating electrostatic discharges
CN86101312A (zh) * 1985-02-12 1986-10-22 日本乐器制造株式会社 电子乐器键板开关装置
JP3099165B2 (ja) * 1993-06-28 2000-10-16 セイコーインスツルメンツ株式会社 スイッチ機構を有する電子機器及び基板の製造方法
US6423918B1 (en) * 2000-03-21 2002-07-23 Lear Corporation Dome switch
TW554358B (en) * 2002-08-13 2003-09-21 Umax Data Systems Inc Structure of button and method of design the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2025981A (en) * 1935-05-29 1935-12-31 Fred I Getty Multiple circuit closer for steering wheels
US2848920A (en) * 1955-03-02 1958-08-26 John M Lester Key contact system for electronic organs
US3304386A (en) * 1964-06-25 1967-02-14 Jr Bernard Edward Shlesinger Multiple contact program system fluid pressure type
US3600528A (en) * 1969-09-25 1971-08-17 Lematex Corp Multiple switch construction
US3668337A (en) * 1971-01-18 1972-06-06 Thomas & Betts Corp Matrix switch with improved flexible insulative spacer arrangement
US3745536A (en) * 1971-03-01 1973-07-10 Burroughs Corp High speed serial scan and read-out of keyboards
US3743798A (en) * 1971-09-13 1973-07-03 North American Rockwell Elongated spring coil conductors applying tension force to pushbutton actuators in keyboard matrix switch assembly
US3773998A (en) * 1972-10-16 1973-11-20 Chomerics Inc Pedestal and spring member for key actuator of diaphragm switch

Also Published As

Publication number Publication date
FR2218636B1 (enrdf_load_stackoverflow) 1977-09-30
GB1396467A (en) 1975-06-04
US3911233A (en) 1975-10-07
IT1000056B (it) 1976-03-30
DE2345578A1 (de) 1974-09-05
FR2218636A1 (enrdf_load_stackoverflow) 1974-09-13

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Legal Events

Date Code Title Description
BV The patent application has lapsed