GB1339223A - Code signal senders - Google Patents

Code signal senders

Info

Publication number
GB1339223A
GB1339223A GB919072A GB919072A GB1339223A GB 1339223 A GB1339223 A GB 1339223A GB 919072 A GB919072 A GB 919072A GB 919072 A GB919072 A GB 919072A GB 1339223 A GB1339223 A GB 1339223A
Authority
GB
United Kingdom
Prior art keywords
key
signal
bit
shift register
gating
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
GB919072A
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.)
Unisys Corp
Original Assignee
Burroughs 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 Burroughs Corp filed Critical Burroughs Corp
Publication of GB1339223A publication Critical patent/GB1339223A/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
    • H01H13/78—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 characterised by the contacts or the contact sites
    • H01H13/785—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 characterised by the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
    • 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
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
    • H01H13/063—Casings hermetically closed by a diaphragm through which passes an actuating member
    • 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
    • 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
    • H01H13/705—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 characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/20—Dynamic coding, i.e. by key scanning
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/01—Protective enclosure
    • H01H2201/012—Inert gas in contact space
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/022—Material
    • H01H2201/03—Composite
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/032—Several contacts formed in one plate or layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/006—Only mechanical function
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/05—Force concentrator; Actuating dimple
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/064—Limitation of actuating pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/002—Layer thickness
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/016—Switch site protrusions; Force concentrators

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
GB919072A 1971-03-01 1972-02-29 Code signal senders Expired GB1339223A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11949071A 1971-03-01 1971-03-01
FR7232827A FR2199895A5 (de) 1971-03-01 1972-09-15
NL727213330A NL154024B (nl) 1971-03-01 1972-10-03 Inrichting voor het invoeren van informatie door middel van toetsen.
DE2252127A DE2252127C2 (de) 1971-03-01 1972-10-24 Anordnung zur Ausgabe von Daten
US00337374A US3829632A (en) 1971-03-01 1973-03-02 Protective environment for keyboard actuatable switches

Publications (1)

Publication Number Publication Date
GB1339223A true GB1339223A (en) 1973-11-28

Family

ID=27510278

Family Applications (1)

Application Number Title Priority Date Filing Date
GB919072A Expired GB1339223A (en) 1971-03-01 1972-02-29 Code signal senders

Country Status (6)

Country Link
US (2) US3745536A (de)
CA (1) CA956238A (de)
DE (1) DE2252127C2 (de)
FR (1) FR2199895A5 (de)
GB (1) GB1339223A (de)
NL (1) NL154024B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136633A (en) * 1983-03-18 1984-09-19 Broderna Danielson Membrane switch assembly

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4390866A (en) * 1971-05-19 1983-06-28 Illinois Tool Works Inc. Keyboard with electronic hysteresis
USH1970H1 (en) * 1971-07-19 2001-06-05 Texas Instruments Incorporated Variable function programmed system
US3993884A (en) * 1972-09-15 1976-11-23 Victor Comptometer Corporation Detachably mounted keyboard pushbutton actuators and housing assembly
US3911233A (en) * 1973-02-20 1975-10-07 Matsushita Electric Ind Co Ltd Keyboard switch for desk top electronic calculators
DE2417280A1 (de) * 1973-04-09 1974-10-24 Alphameric Holdings Ltd Tastatur zur erzeugung elektrischer signale
IT980896B (it) * 1973-04-24 1974-10-10 Olivetti & Co Spa Perfezionamenti alle calcolatri ci elettroniche
GB1479026A (en) * 1973-08-24 1977-07-06 Giko Kk Push button switch
US3987416A (en) * 1973-09-24 1976-10-19 Vandierendonck Jerry L Electronic calculator with display and keyboard scanning signal generator in data memory
US3931610A (en) * 1973-11-29 1976-01-06 Teletype Corporation Capacitive keyswitch sensor and method
US3961147A (en) * 1974-04-10 1976-06-01 Teletype Corporation Keying contact assembly
US3890480A (en) * 1974-05-23 1975-06-17 Cincinnati Milacron Inc Hermetic sealing structure for electronic keyboard apparatus
US3950846A (en) * 1974-09-23 1976-04-20 Xerox Corporation Method of forming a deformed, integral switching device
US4028509A (en) * 1975-08-29 1977-06-07 Hughes Aircraft Company Simplified tabulator keyboard assembly for use in watch/calculator having transparent foldable flexible printed circuit board with contacts and actuator indicia
US4046975A (en) * 1975-09-22 1977-09-06 Chomerics, Inc. Keyboard switch assembly having internal gas passages preformed in spacer member
US4476541A (en) * 1977-12-02 1984-10-09 Texas Instruments Incorporated Variable function programmed system
US4471461A (en) * 1977-12-02 1984-09-11 Texas Instruments Incorporated Variable function programmed system
US4471460A (en) * 1977-12-02 1984-09-11 Texas Instruments Incorporated Variable function programmed system
US4494109A (en) * 1978-09-27 1985-01-15 Bernin Victor M Noncontacting keyboard employing a transformer element
US4300127A (en) * 1978-09-27 1981-11-10 Bernin Victor M Solid state noncontacting keyboard employing a differential transformer element
FR2443129A1 (fr) * 1978-11-29 1980-06-27 Serras Paulet Edouard Dispositif de commutation electrique ou electronique formant bouton-poussoir ou clavier a touches enfoncables
US4305135A (en) * 1979-07-30 1981-12-08 International Business Machines Corp. Program controlled capacitive keyboard variable threshold sensing system
US4376239A (en) * 1980-10-03 1983-03-08 Allen-Bradley Company Industrial membrane switch
US4351988A (en) * 1980-12-08 1982-09-28 Ncr Corporation Keyboard switch assembly
US4345119A (en) * 1981-02-19 1982-08-17 Motorola Inc. Membrane switch assembly with improved spacer
US4515999A (en) * 1983-01-24 1985-05-07 Rogers Corporation Full travel keyboard
US4581603A (en) * 1983-03-11 1986-04-08 The Maxi-Switch Company Switch matrix key closure validation device and method
KR900002525Y1 (ko) * 1984-07-11 1990-03-30 알프스덴기 가부시기 가이샤 푸시 버튼 스위치
JPS6132127A (ja) * 1984-07-24 1986-02-14 Alps Electric Co Ltd キーボードのキーコード出力装置
US4598181A (en) * 1984-11-13 1986-07-01 Gte Communication Systems Corp. Laminate switch assembly having improved tactile feel and improved reliability of operation
FR2576449A1 (fr) * 1985-01-18 1986-07-25 Hutchinson Clavier a elements de commande integres avec predetermination de la loi de mise sous pression de leur element electroconducteur, et procede de fabrication de ce clavier
US4833447A (en) * 1985-04-27 1989-05-23 Canon Kabushiki Kaisha Input device
JP2757992B2 (ja) * 1988-02-12 1998-05-25 キヤノン株式会社 入力装置
FI85072C (fi) * 1990-04-12 1992-02-25 Nokia Mobile Phones Ltd Kopplingsanordning.
US5340955A (en) * 1992-07-20 1994-08-23 Digitran Company, A Division Of Xcel Corp. Illuminated and moisture-sealed switch panel assembly
US5319996A (en) * 1993-08-13 1994-06-14 Kransco Debris resistant foot pedal switch assembly
US5563630A (en) * 1993-10-28 1996-10-08 Mind Path Technologies, Inc. Computer mouse
JP3782521B2 (ja) * 1996-08-23 2006-06-07 富士通コンポーネント株式会社 押釦構造およびキーボード
US6803903B1 (en) * 2000-08-17 2004-10-12 Nokia Mobile Phones, Ltd. Integration of organic light-emitting components into the keyboard of an electronic device
US7832628B2 (en) * 2005-10-21 2010-11-16 Verifone, Inc. Protective cover for terminal keypad security switches
DE112006003312T5 (de) * 2005-12-05 2008-10-23 OMRON DUALTEC Automotive Electronics Inc., Oakville Elektrischer Schalter
TWI320900B (en) * 2006-01-18 2010-02-21 Darfon Electronics Corp Key operated apparatus having shield and method of making the same
GB0703172D0 (en) 2007-02-19 2007-03-28 Pa Knowledge Ltd Printed circuit boards
US20090153491A1 (en) * 2007-12-14 2009-06-18 Research In Motion Limited Key in a keypad of an electronic device providing feedback
US8618420B2 (en) * 2008-08-18 2013-12-31 Semblant Global Limited Apparatus with a wire bond and method of forming the same
EP2327283A2 (de) * 2008-08-18 2011-06-01 Semblant Global Limited Halo-kohlenwasserstoffpolymerbeschichtung
US8995146B2 (en) 2010-02-23 2015-03-31 Semblant Limited Electrical assembly and method
CN201698936U (zh) * 2010-04-13 2011-01-05 深圳富泰宏精密工业有限公司 防水按键组件及其电子装置
JP5099244B2 (ja) * 2010-05-27 2012-12-19 株式会社デンソー 計器の操作ノブ構造
GB201621177D0 (en) 2016-12-13 2017-01-25 Semblant Ltd Protective coating
US10965287B2 (en) * 2018-12-20 2021-03-30 Dexin Electronic Ltd. Replaceable key structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136633A (en) * 1983-03-18 1984-09-19 Broderna Danielson Membrane switch assembly

Also Published As

Publication number Publication date
US3829632A (en) 1974-08-13
US3745536A (en) 1973-07-10
DE2252127B1 (de) 1974-04-18
NL154024B (nl) 1977-07-15
NL7213330A (de) 1974-04-05
DE2252127C2 (de) 1974-11-21
CA956238A (en) 1974-10-15
FR2199895A5 (de) 1974-04-12

Similar Documents

Publication Publication Date Title
GB1339223A (en) Code signal senders
US4628541A (en) Infra-red data communications system for coupling a battery powered data entry device to a microcomputer
US3526892A (en) Signalling system with upper and lower case designations
GB1430297A (en) Keyboard entry system with n-key rollover and n-key lockout protection
US3291910A (en) Encoder
US4121048A (en) Multiple shift electronic keyboard
US3721976A (en) Keyboard coding and interlock system
US3978474A (en) Keyboard with n-key lockout and two-key rollover protection
CA1085486A (en) Arrangements for coding of data characters
CA1215122A (en) Infra-red data communication system for coupling a battery powered data entry device to a microcomputer
GB1508502A (en) Keyboard
GB1486329A (en) Information input and display apparatus
US4390866A (en) Keyboard with electronic hysteresis
GB1419636A (en) Electronic circuit for activating an electric lock
SU1282109A1 (ru) Устройство дл ввода информации
SU881721A1 (ru) Устройство дл ввода информации
JPS55147877A (en) Digital line control unit
JPS5742879A (en) Confirmation system in case for setting time and date
JPS57196342A (en) Keyboard
SU1317428A1 (ru) Устройство дл ввода информации
JPS57136243A (en) Information input keyboard device of character, symbol and the like
JPS5690328A (en) Keyboard control system
SU1264234A1 (ru) Устройство дл индикации
SU1211714A1 (ru) Устройство дл ввода информации
JPS5759237A (en) Data transmitting and receiver

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee