BR7203542D0 - SELECTIVELY ACTIVE KEYBOARD AND ELECTRONIC CALCULATOR INCLUDING THE SAME - Google Patents

SELECTIVELY ACTIVE KEYBOARD AND ELECTRONIC CALCULATOR INCLUDING THE SAME

Info

Publication number
BR7203542D0
BR7203542D0 BR3542/72A BR354272A BR7203542D0 BR 7203542 D0 BR7203542 D0 BR 7203542D0 BR 3542/72 A BR3542/72 A BR 3542/72A BR 354272 A BR354272 A BR 354272A BR 7203542 D0 BR7203542 D0 BR 7203542D0
Authority
BR
Brazil
Prior art keywords
same
electronic calculator
selectively active
active keyboard
calculator including
Prior art date
Application number
BR3542/72A
Other languages
Portuguese (pt)
Inventor
H Boulanger
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of BR7203542D0 publication Critical patent/BR7203542D0/en

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
    • H01H13/7013—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 in which the movable contacts of each switch site or of a row of switch sites are formed in a single plate
    • 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
    • G06C7/08—Keyboards with one set of keys for all denominations, e.g. ten-key board
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • 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
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • 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
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/64—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member wherein the switch has more than two electrically distinguishable positions, e.g. multi-position push-button 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
    • H01H13/7006—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
    • 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
    • H01H2203/00—Form of contacts
    • H01H2203/006—Staples
BR3542/72A 1971-06-01 1972-05-31 SELECTIVELY ACTIVE KEYBOARD AND ELECTRONIC CALCULATOR INCLUDING THE SAME BR7203542D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14850371A 1971-06-01 1971-06-01

Publications (1)

Publication Number Publication Date
BR7203542D0 true BR7203542D0 (en) 1973-06-14

Family

ID=22526059

Family Applications (1)

Application Number Title Priority Date Filing Date
BR3542/72A BR7203542D0 (en) 1971-06-01 1972-05-31 SELECTIVELY ACTIVE KEYBOARD AND ELECTRONIC CALCULATOR INCLUDING THE SAME

Country Status (13)

Country Link
US (1) US3725907A (en)
JP (1) JPS5616446B1 (en)
KR (1) KR780000592B1 (en)
AR (1) AR202520A1 (en)
BR (1) BR7203542D0 (en)
CA (1) CA966181A (en)
DE (2) DE7220498U (en)
ES (1) ES403288A1 (en)
FR (1) FR2141133A5 (en)
GB (1) GB1395647A (en)
IT (1) IT958121B (en)
NL (1) NL167527C (en)
SU (1) SU704477A3 (en)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808384A (en) * 1971-06-01 1974-04-30 Texas Instruments Inc Pushbutton keyboard system
US3858202A (en) * 1971-06-01 1974-12-31 Texas Instruments Inc Pushbutton keyboard system
US3839785A (en) * 1971-06-01 1974-10-08 Texas Instruments Inc Pushbutton keyboard system
US4314112A (en) * 1971-08-23 1982-02-02 Hewlett-Packard Company Keyboard having switches with tactile feedback
CH560426A5 (en) * 1971-09-06 1975-03-27 Olivetti & Co Spa
US3846791A (en) * 1972-10-02 1974-11-05 R Foster Solid state keyboard
USRE29440E (en) * 1973-01-02 1977-10-11 Bowmar Instrument Corporation Calculator keyboard switch with disc spring contact and printed circuit board
USRE30923E (en) * 1973-01-02 1982-05-04 Bowmar Instrument Corporation Calculator keyboard switch with disc spring contact and printed circuit board
GB1460021A (en) * 1973-01-24 1976-12-31 Gen Electric Co Ltd Electric switches
US3886341A (en) * 1973-05-02 1975-05-27 Bowman Ali Inc Switch operating device for use with an over center diaphragm switch contact assembly with contact ramp camming surface
GB1435171A (en) * 1973-05-11 1976-05-12 Sumlock Anita Electronics Ltd Keyboards
US3858020A (en) * 1973-07-30 1974-12-31 Staco Switch Inc Pushbutton with spring contactor
US3867594A (en) * 1973-11-29 1975-02-18 Texas Instruments Inc Pressure sensitive switch with diaphragm and dish contact means
AR204336A1 (en) * 1973-12-17 1975-12-22 Texas Instruments Inc KEYBOARD PIECE
US3995123A (en) * 1974-01-09 1976-11-30 Wilson Charles H Telephone calculator
US4005299A (en) * 1974-04-29 1977-01-25 Texas Instruments Incorporated Electrical contact member having low electrical resistance
US4074088A (en) * 1974-05-21 1978-02-14 Texas Instruments Incorporated Keyboard apparatus and method of making
US4018999A (en) * 1974-09-12 1977-04-19 Mohawk Data Sciences Corporation Keyboard switch assembly having adhesive position retainer element
US4033030A (en) * 1974-09-12 1977-07-05 Mohawk Data Sciences Corporation Method of manufacturing keyswitch assemblies
FR2285764A1 (en) * 1974-09-17 1976-04-16 Picart Lebas Telephones Pushbutton dialling key board with signal generators - has resilient foil contacts on electronic assembly aligned with pushbutton assembly
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
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
US3955498A (en) * 1975-03-27 1976-05-11 Scott Thaddeus Leroy Electromagnetically actuated printer
US4032738A (en) * 1975-05-15 1977-06-28 Neomed Incorporated Electro-surgical instrument
US4071718A (en) * 1976-10-22 1978-01-31 Bowmar Instrument Corporation Flat keyboard assembly having cover type membrane with protrusions to align switch components
US4768284A (en) * 1979-02-06 1988-09-06 Texas Instruments Incorporated A method for making low profile microswitches, particularly useful for keyboards
US4349708A (en) * 1979-08-22 1982-09-14 Atari, Inc. Joystick control
US4271333A (en) * 1979-09-25 1981-06-02 Northern Telecom, Inc. Pushbutton dial assembly
US4343973A (en) * 1980-08-13 1982-08-10 Cherry Electrical Products Corp. Low cost electrical switch
US4436970A (en) * 1982-06-07 1984-03-13 Methode Electronics, Inc. Switch assemblies
US4734679A (en) * 1986-06-12 1988-03-29 Northern Telecom Limited Pushbutton keyboard assembly
GB9004532D0 (en) * 1990-02-28 1990-04-25 Lucas Ind Plc Switch assembly
US5184971A (en) * 1991-03-08 1993-02-09 Williams Susan A Toy telephone recorder with picture actuated recording and playback
US8072764B2 (en) 2009-03-09 2011-12-06 Apple Inc. Multi-part substrate assemblies for low profile portable electronic devices
US8339798B2 (en) * 2010-07-08 2012-12-25 Apple Inc. Printed circuit boards with embedded components
US20120048703A1 (en) * 2010-09-01 2012-03-01 Michael Kotson Printed circuit board and method for avoiding electromagnetic interference

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600528A (en) * 1969-09-25 1971-08-17 Lematex Corp Multiple switch construction
US3592979A (en) * 1969-11-05 1971-07-13 Ncr Co Elastomeric keyboard with improved printed circuit contact means
BE758202A (en) * 1969-11-24 1971-04-01 Sanders Associates Inc MONOLITHIC KEYBOARD AND METHOD FOR MANUFACTURING SUCH A KEYBOARD
US3617660A (en) * 1970-01-23 1971-11-02 Ibm Keyboard actuating mechanism for diaphragm electric switch contact array

Also Published As

Publication number Publication date
NL167527C (en) 1981-12-16
CA966181A (en) 1975-04-15
JPS5616446B1 (en) 1981-04-16
DE2226607A1 (en) 1972-12-14
ES403288A1 (en) 1976-01-16
US3725907A (en) 1973-04-03
KR780000592B1 (en) 1978-11-23
SU704477A3 (en) 1979-12-15
IT958121B (en) 1973-10-20
AR202520A1 (en) 1975-06-24
DE2226607B2 (en) 1977-07-28
AU6580374A (en) 1975-08-21
FR2141133A5 (en) 1973-01-19
DE7220498U (en) 1983-06-23
NL167527B (en) 1981-07-16
NL7207456A (en) 1972-12-05
GB1395647A (en) 1975-05-29

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