GB1431091A - Electrical keyboard - Google Patents

Electrical keyboard

Info

Publication number
GB1431091A
GB1431091A GB1424673A GB1424673A GB1431091A GB 1431091 A GB1431091 A GB 1431091A GB 1424673 A GB1424673 A GB 1424673A GB 1424673 A GB1424673 A GB 1424673A GB 1431091 A GB1431091 A GB 1431091A
Authority
GB
United Kingdom
Prior art keywords
contact
switches
circuit board
contacts
keyboard
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
GB1424673A
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.)
Mohawk Data Sciences Corp
Original Assignee
Mohawk Data Sciences 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 Mohawk Data Sciences Corp filed Critical Mohawk Data Sciences Corp
Publication of GB1431091A publication Critical patent/GB1431091A/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
    • H01H13/7006—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 comprising a separate movable contact element for each switch site, all other elements being integrated in layers
    • 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
    • B41J5/12—Construction of key buttons
    • 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
    • B41J5/16—Mounting or connecting key buttons on or to key levers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/012—Connections via underside of substrate
    • H01H2207/014—Plated through holes

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
GB1424673A 1972-04-19 1973-03-23 Electrical keyboard Expired GB1431091A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24557772A 1972-04-19 1972-04-19

Publications (1)

Publication Number Publication Date
GB1431091A true GB1431091A (en) 1976-04-07

Family

ID=22927237

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1424673A Expired GB1431091A (en) 1972-04-19 1973-03-23 Electrical keyboard

Country Status (6)

Country Link
US (1) US3749859A (enrdf_load_stackoverflow)
JP (1) JPS5418744B2 (enrdf_load_stackoverflow)
CA (1) CA1006211A (enrdf_load_stackoverflow)
DE (1) DE2319042B2 (enrdf_load_stackoverflow)
FR (1) FR2181098B1 (enrdf_load_stackoverflow)
GB (1) GB1431091A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2207554A (en) * 1987-05-12 1989-02-01 Schoeller & Co Elektrotech A push-button switch having cleaning means

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839785A (en) * 1971-06-01 1974-10-08 Texas Instruments Inc Pushbutton keyboard system
US4163125A (en) * 1971-06-01 1979-07-31 Texas Instruments Incorporated Pushbutton keyboard system
US3808384A (en) * 1971-06-01 1974-04-30 Texas Instruments Inc Pushbutton keyboard system
US4314112A (en) * 1971-08-23 1982-02-02 Hewlett-Packard Company Keyboard having switches with tactile feedback
BE795425A (fr) * 1972-11-20 1973-05-29 Texas Instruments Inc Systeme perfectionne de clavier a boutons-poussoirs
USRE30923E (en) * 1973-01-02 1982-05-04 Bowmar Instrument Corporation Calculator keyboard switch with disc spring contact and printed circuit board
USRE29440E (en) * 1973-01-02 1977-10-11 Bowmar Instrument Corporation Calculator keyboard switch with disc spring contact and printed circuit board
JPS5528377B2 (enrdf_load_stackoverflow) * 1973-03-16 1980-07-28
JPS5329226B2 (enrdf_load_stackoverflow) * 1973-08-23 1978-08-19
JPS5060564U (enrdf_load_stackoverflow) * 1973-09-29 1975-06-04
JPS5069271U (enrdf_load_stackoverflow) * 1973-10-26 1975-06-19
JPS50110318A (enrdf_load_stackoverflow) * 1974-02-07 1975-08-30
JPS50119967U (enrdf_load_stackoverflow) * 1974-03-15 1975-09-30
JPS50139267U (enrdf_load_stackoverflow) * 1974-05-01 1975-11-17
US4074088A (en) * 1974-05-21 1978-02-14 Texas Instruments Incorporated Keyboard apparatus and method of making
US3908109A (en) * 1974-06-14 1975-09-23 Mohawk Data Sciences Corp Dome shaped switch member
US4202640A (en) * 1974-08-22 1980-05-13 Kienzle Apparate Gmbh Keyboard assembly
US4124313A (en) * 1974-08-22 1978-11-07 Kienzle Apparate Gmbh Keyboard assembly
US4018999A (en) * 1974-09-12 1977-04-19 Mohawk Data Sciences Corporation Keyboard switch assembly having adhesive position retainer element
US3952174A (en) * 1974-11-29 1976-04-20 Texas Instruments Incorporated Pushbutton keyboard system
US4153987A (en) * 1974-12-09 1979-05-15 Texas Instruments Incorporated Method for assembling keyboard
JPS5175971U (enrdf_load_stackoverflow) * 1974-12-13 1976-06-15
US3995128A (en) * 1975-01-10 1976-11-30 Texas Instruments Incorporated Pushbutton keyboard system having preformed recessed support with contacts mounted on face and in recesses
US3962556A (en) * 1975-01-10 1976-06-08 Texas Instruments Incorporated Keyboard with versatile switch support structures
US3996427A (en) * 1975-01-10 1976-12-07 Texas Instruments Incorporated Pushbutton keyboard system and method of making same
US3973091A (en) * 1975-02-03 1976-08-03 Texas Instruments Incorporated Pushbutton keyboard assembly having pole and inner contacts simultaneously engaged by a bridging contact
US3996428A (en) * 1975-03-17 1976-12-07 Litronix, Inc. Pushbutton keyboard assembly with over center diaphragm contact
US3978297A (en) * 1975-03-31 1976-08-31 Chomerics, Inc. Keyboard switch assembly with improved pushbutton and associated double snap acting actuator/contactor structure
US3988551A (en) * 1975-04-03 1976-10-26 Magic Dot, Inc. Membrane keyboard apparatus having common apertured electrode, aperture inserted electrodes and conductive bubble contactors
US3995126A (en) * 1975-04-03 1976-11-30 Magic Dot, Inc. Membrane keyboard apparatus
US4021630A (en) * 1975-04-25 1977-05-03 Neomed Incorporated Hermetically sealed resilient contact switch having surgical applications
US3967084A (en) * 1975-05-12 1976-06-29 Kb-Denver, Inc. Keyboard switch assemblies having two foot support legs on dome-shaped contact member
US4034176A (en) * 1975-06-11 1977-07-05 Magic Dot, Inc. Membrane switch apparatus
US4065649A (en) * 1975-06-30 1977-12-27 Lake Center Industries Pressure sensitive matrix switch having apertured spacer with flexible double sided adhesive intermediate and channels optionally interposed between apertures
JPS5212868U (enrdf_load_stackoverflow) * 1975-07-16 1977-01-29
US4055735A (en) * 1975-10-23 1977-10-25 Honeywell Information Systems Inc. Touch sensitive device
JPS5212869U (enrdf_load_stackoverflow) * 1975-12-10 1977-01-29
US4046981A (en) * 1975-12-24 1977-09-06 Texas Instruments Incorporated Keyboard switch with printed wiring board structure and its method of manufacture
JPS52109425U (enrdf_load_stackoverflow) * 1976-02-12 1977-08-19
JPS5650647Y2 (enrdf_load_stackoverflow) * 1976-02-20 1981-11-27
FR2343323A1 (fr) * 1976-03-05 1977-09-30 Schoeller & Co Elektrotech Commutateur a declic notamment pour recepteurs de television et de radio
US4375017A (en) * 1976-12-06 1983-02-22 Rca Corporation Calculator type keyboard including printed circuit board contacts and method of forming
US4083100A (en) * 1977-01-24 1978-04-11 Mohawk Data Sciences Corporation Method of manufacturing a keyboard assembly
US4085306A (en) * 1977-06-09 1978-04-18 Kb-Denver, Inc. Keyboard switch assemblies
JPS5411480A (en) * 1977-06-29 1979-01-27 Oki Electric Ind Co Ltd Pushbutton switch
JPS5434069U (enrdf_load_stackoverflow) * 1977-08-11 1979-03-06
JPS5829868Y2 (ja) * 1978-08-17 1983-06-30 松下電器産業株式会社 プッシュ式スイッチ
US4435071A (en) 1978-09-11 1984-03-06 Kuehnle Manfred R Method and means for reducing frame effect in electrographic images on microfiche
US4254309A (en) * 1978-12-18 1981-03-03 Texas Instruments Incorporated Snap-through characteristic keyboard switch
US4319099A (en) * 1979-05-03 1982-03-09 Atari, Inc. Dome switch having contacts offering extended wear
US4343973A (en) * 1980-08-13 1982-08-10 Cherry Electrical Products Corp. Low cost electrical switch
FR2504721A1 (fr) * 1981-04-22 1982-10-29 Telecomm El Aeronaut Maritime Dispositif formant panneau pour clavier et/ou touches individuelles ou boutons-poussoirs associes
FR2511941B1 (fr) * 1981-09-01 1988-02-05 Telemecanique Electrique Clavier modulaire, etanche, a effet tactile
US4476355A (en) * 1981-11-09 1984-10-09 Grayhill, Inc. Keyboard assembly
US4430531A (en) * 1982-03-15 1984-02-07 Hewlett-Packard Company Snap disc keyboard
EP0092518B1 (de) * 1982-04-15 1987-10-07 Alcatel STR AG Tastenelement
DE3229348A1 (de) * 1982-08-06 1984-02-09 Preh, Elektrofeinmechanische Werke, Jakob Preh, Nachf. Gmbh & Co, 8740 Bad Neustadt Kontaktanordnung
US4681987A (en) * 1983-01-11 1987-07-21 Canon Kabushiki Kaisha Electronic equipment having a key input function
DE8302660U1 (de) * 1983-02-01 1983-06-16 Hans Widmaier Fabrik Fuer Apparate Der Fernmelde- Und Feinwerktechnik, 8000 Muenchen Tastenanordnung zur Auslösung von bestimmten Symbolen der Tastenoberfläche jeweils zugeordneten Schaltfunktionen oder Schaltsignalen.
US4501937A (en) * 1983-03-14 1985-02-26 Eaton Corporation Integral multiswitch display panel
US4468542A (en) * 1983-05-16 1984-08-28 Kb Denver, Inc. Keyboard assembly
EP0157037A3 (en) * 1984-03-29 1986-11-05 Bowmar Instrument Corporation Long-stroke push-button switch
JPH0664965B2 (ja) * 1986-08-21 1994-08-22 アルプス電気株式会社 電子機器
JPH01221825A (ja) * 1988-02-29 1989-09-05 Matsushita Electric Ind Co Ltd プッシュスイッチ
US5160270A (en) * 1989-06-13 1992-11-03 General Datacomm, Inc. Integrated circuit packages using tapered spring contact leads for direct mounting to circuit boards
FR2660484B1 (fr) * 1990-03-30 1993-08-06 Sextant Avionique Dispositif interrupteur miniature a effet tactile.
US6555774B1 (en) * 2000-07-28 2003-04-29 Microsoft Corporation Lever keyswitch
JP3765723B2 (ja) * 2000-11-15 2006-04-12 ホシデン株式会社 押しボタンスイッチ
JP2002270062A (ja) * 2001-03-06 2002-09-20 Citizen Electronics Co Ltd 押圧スイッチ
IT1391018B1 (it) * 2008-07-16 2011-10-27 Bticino Spa Interruttore a pulsante con dispositivo di protezione anti-inceppamento
CN101937789A (zh) * 2010-09-16 2011-01-05 鸿富锦精密工业（深圳）有限公司 按钮及应用该按钮的电子装置
CN203659712U (zh) * 2012-09-11 2014-06-18 罗技欧洲公司 用于柔性键盘的键架模块和柔性键盘
US20140261995A1 (en) * 2013-03-15 2014-09-18 Logitech Europe S.A. Systems and methods for imprinting font on a key cap
KR102558432B1 (ko) * 2022-01-03 2023-07-24 나노씰(주) 기계적 물성이 우수한 실링재 제조방법
KR102672197B1 (ko) * 2022-11-25 2024-06-07 나노씰(주) 실링재용 비드 조성물 제조방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2262777A (en) * 1940-09-21 1941-11-18 John M Roper Quick acting positive contact switch
US2424527A (en) * 1945-09-10 1947-07-22 Gen Electric Electric switch
US3591749A (en) * 1969-05-12 1971-07-06 Singer Co Printed circuit keyboard
US3684842A (en) * 1970-07-01 1972-08-15 Texas Instruments Inc Pushbutton keyboard switch assembly with improved over center diaphragm contact
US3657492A (en) * 1970-09-25 1972-04-18 Sperry Rand Corp Keyboard apparatus with moisture proof membrane
US3641286A (en) * 1970-10-05 1972-02-08 Selectro Corp Electromechanical keyboard independently operated switch mechanism with improved conductive resilient actuating means
US3643041A (en) * 1970-12-30 1972-02-15 Unidynamics Phoenix Pushbutton diaphragm switch with improved dimple actuator and/or capacitance-type switch contact structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2207554A (en) * 1987-05-12 1989-02-01 Schoeller & Co Elektrotech A push-button switch having cleaning means
GB2207554B (en) * 1987-05-12 1991-04-10 Schoeller & Co Elektrotech A push-button switch

Also Published As

Publication number Publication date
JPS5418744B2 (enrdf_load_stackoverflow) 1979-07-10
FR2181098B1 (enrdf_load_stackoverflow) 1977-04-29
JPS4920669A (enrdf_load_stackoverflow) 1974-02-23
DE2319042A1 (de) 1973-10-25
US3749859A (en) 1973-07-31
DE2319042B2 (de) 1976-08-19
FR2181098A1 (enrdf_load_stackoverflow) 1973-11-30
CA1006211A (en) 1977-03-01

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Legal Events

Date Code Title Description
49R Reference inserted (sect. 9/1949)
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee