USRE32040E - Calculator apparatus with electronically alterable key symbols - Google Patents

Calculator apparatus with electronically alterable key symbols Download PDF

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Publication number
USRE32040E
USRE32040E US12441880A USRE32040E US RE32040 E USRE32040 E US RE32040E US 12441880 A US12441880 A US 12441880A US RE32040 E USRE32040 E US RE32040E
Authority
US
United States
Prior art keywords
key symbols
electronically alterable
calculator apparatus
alterable key
calculator
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 - Lifetime
Application number
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.)
HP 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
Priority claimed from US05/716,867 external-priority patent/US4078257A/en
Application filed filed Critical
Priority to US12441880 priority Critical patent/USRE32040E/en
Application granted granted Critical
Publication of USRE32040E publication Critical patent/USRE32040E/en
Anticipated expiration legal-status Critical
Assigned to HEWLETT-PACKARD COMPANY reassignment HEWLETT-PACKARD COMPANY MERGER (SEE DOCUMENT FOR DETAILS). Assignors: HEWLETT-PACKARD COMPANY
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H03M11/02—Details
    • H03M11/04—Coding of multifunction keys
    • H03M11/14—Coding of multifunction keys by using additional keys, e.g. shift keys, which determine the function performed by the multifunction key
    • H03M11/18—Coding of multifunction keys by using additional keys, e.g. shift keys, which determine the function performed by the multifunction key wherein the shift keys are operated before the operation of the multifunction keys
    • 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
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0238—Programmable keyboards
    • 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
    • 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
    • H03M11/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/024—Properties of the substrate
    • H01H2209/038—Properties of the substrate transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/068—Properties of the membrane
    • H01H2209/082—Properties of the membrane transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/01—Liquid crystal
    • H01H2219/012—Liquid crystal programmable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/014—LED
    • H01H2219/016—LED programmable

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
US12441880 1976-08-23 1980-02-25 Calculator apparatus with electronically alterable key symbols Expired - Lifetime USRE32040E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12441880 USRE32040E (en) 1976-08-23 1980-02-25 Calculator apparatus with electronically alterable key symbols

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/716,867 US4078257A (en) 1976-08-23 1976-08-23 Calculator apparatus with electronically alterable key symbols
US12441880 USRE32040E (en) 1976-08-23 1980-02-25 Calculator apparatus with electronically alterable key symbols

Publications (1)

Publication Number Publication Date
USRE32040E true USRE32040E (en) 1985-11-26

Family

ID=26822572

Family Applications (1)

Application Number Title Priority Date Filing Date
US12441880 Expired - Lifetime USRE32040E (en) 1976-08-23 1980-02-25 Calculator apparatus with electronically alterable key symbols

Country Status (1)

Country Link
US (1) USRE32040E (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853888A (en) 1984-12-31 1989-08-01 The Boeing Company Programmable multifunction keyboard
US5121472A (en) * 1989-05-31 1992-06-09 Polytel Computer Products Corporation Method for replacing keyboard data using single step process mode
US5396444A (en) * 1984-01-09 1995-03-07 Hewlett-Packard Company Terminator keys having reciprocal exponents in a data processing system
US5576981A (en) * 1993-11-17 1996-11-19 Intermec Corporation Portable computer with interchangeable keypad and method for operating same

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3158317A (en) * 1961-05-11 1964-11-24 Bunker Ramo Control device
US3394368A (en) * 1964-04-01 1968-07-23 Bosch Arma Corp Signal switching system and control keyboard suitable for use therein
GB1172222A (en) * 1965-08-05 1969-11-26 Mini Of Technology Touch Displays
US3670322A (en) * 1969-08-16 1972-06-13 Licentia Gmbh Programmable keyboard
US3760360A (en) * 1971-11-01 1973-09-18 E Systems Inc Matrix switch
US3772685A (en) * 1972-03-29 1973-11-13 Bunker Ramo Touch responsive electric switch and device for the use thereof
GB1337963A (en) * 1969-11-26 1973-11-21 Goldberg K M Credit card verifier
US3777222A (en) * 1972-05-12 1973-12-04 Ibm Modular touch sensitive indicating panels with touch and light transmissive overlay cover membrane containing visible printed indicia
GB1344649A (en) * 1971-12-16 1974-01-23 Marconi Co Ltd Programmable keyboard arrangements
GB1365795A (en) * 1971-12-20 1974-09-04 Ibm Data character display apparatus
US3855641A (en) * 1973-01-24 1974-12-24 Koehler Dayton Recirculating sewerage system
GB1385416A (en) * 1972-02-10 1975-02-26 Chan H Yeh Electronic data processing of chinese characters
US3911424A (en) * 1974-09-05 1975-10-07 Ibm Alphanumeric character display scheme for programmable electronic calculators
US3934247A (en) * 1973-11-05 1976-01-20 Chevron Research Company Alphanumeric display means for computer-linked typewriter consoles using a matrix array of light-emitting diodes (led's)
US3956745A (en) * 1971-12-16 1976-05-11 The Marconi Company Limited Programmable keyboard arrangements
GB1435265A (en) * 1974-10-01 1976-05-12 Ibm Touch keyboard
US4002892A (en) * 1973-09-15 1977-01-11 Zielinski Adolf H Portable calculator

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3187321A (en) * 1961-05-11 1965-06-01 Bunker Ramo Operator-computer communication console
US3158317A (en) * 1961-05-11 1964-11-24 Bunker Ramo Control device
US3394368A (en) * 1964-04-01 1968-07-23 Bosch Arma Corp Signal switching system and control keyboard suitable for use therein
GB1172222A (en) * 1965-08-05 1969-11-26 Mini Of Technology Touch Displays
US3670322A (en) * 1969-08-16 1972-06-13 Licentia Gmbh Programmable keyboard
GB1337963A (en) * 1969-11-26 1973-11-21 Goldberg K M Credit card verifier
US3760360A (en) * 1971-11-01 1973-09-18 E Systems Inc Matrix switch
US3956745A (en) * 1971-12-16 1976-05-11 The Marconi Company Limited Programmable keyboard arrangements
GB1344649A (en) * 1971-12-16 1974-01-23 Marconi Co Ltd Programmable keyboard arrangements
GB1365795A (en) * 1971-12-20 1974-09-04 Ibm Data character display apparatus
GB1385416A (en) * 1972-02-10 1975-02-26 Chan H Yeh Electronic data processing of chinese characters
US3772685A (en) * 1972-03-29 1973-11-13 Bunker Ramo Touch responsive electric switch and device for the use thereof
US3777222A (en) * 1972-05-12 1973-12-04 Ibm Modular touch sensitive indicating panels with touch and light transmissive overlay cover membrane containing visible printed indicia
US3855641A (en) * 1973-01-24 1974-12-24 Koehler Dayton Recirculating sewerage system
US4002892A (en) * 1973-09-15 1977-01-11 Zielinski Adolf H Portable calculator
US3934247A (en) * 1973-11-05 1976-01-20 Chevron Research Company Alphanumeric display means for computer-linked typewriter consoles using a matrix array of light-emitting diodes (led's)
US3934242A (en) * 1973-11-05 1976-01-20 Chevron Research Company Alphanumeric display means for computer-linked typewriter consoles using a matrix array of liquid-crystal devices
US3911424A (en) * 1974-09-05 1975-10-07 Ibm Alphanumeric character display scheme for programmable electronic calculators
GB1435265A (en) * 1974-10-01 1976-05-12 Ibm Touch keyboard

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5396444A (en) * 1984-01-09 1995-03-07 Hewlett-Packard Company Terminator keys having reciprocal exponents in a data processing system
US4853888A (en) 1984-12-31 1989-08-01 The Boeing Company Programmable multifunction keyboard
US5121472A (en) * 1989-05-31 1992-06-09 Polytel Computer Products Corporation Method for replacing keyboard data using single step process mode
US5576981A (en) * 1993-11-17 1996-11-19 Intermec Corporation Portable computer with interchangeable keypad and method for operating same

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Legal Events

Date Code Title Description
AS Assignment

Owner name: HEWLETT-PACKARD COMPANY, COLORADO

Free format text: MERGER;ASSIGNOR:HEWLETT-PACKARD COMPANY;REEL/FRAME:011523/0469

Effective date: 19980520