CA1023866A - Calculatrice electronique de faible consommation - Google Patents

Calculatrice electronique de faible consommation

Info

Publication number
CA1023866A
CA1023866A CA187,337A CA187337A CA1023866A CA 1023866 A CA1023866 A CA 1023866A CA 187337 A CA187337 A CA 187337A CA 1023866 A CA1023866 A CA 1023866A
Authority
CA
Canada
Prior art keywords
low power
power electronic
electronic calculator
calculator system
low
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
CA187,337A
Other languages
English (en)
Inventor
Glenn A. Hartsell
Roger J. Fisher
Jerry L. Vandierendonck
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.)
Texas Instruments Inc
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
Application granted granted Critical
Publication of CA1023866A publication Critical patent/CA1023866A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements
    • G11C17/10—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM
    • G11C17/12—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM using field-effect devices
    • G11C17/126—Virtual ground arrays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/317—Testing of digital circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/317—Testing of digital circuits
    • G01R31/31721—Power aspects, e.g. power supplies for test circuits, power saving during test
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Calculators And Similar Devices (AREA)
CA187,337A 1973-09-24 1973-12-04 Calculatrice electronique de faible consommation Expired CA1023866A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/400,437 US3987416A (en) 1973-09-24 1973-09-24 Electronic calculator with display and keyboard scanning signal generator in data memory

Publications (1)

Publication Number Publication Date
CA1023866A true CA1023866A (fr) 1978-01-03

Family

ID=23583614

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,337A Expired CA1023866A (fr) 1973-09-24 1973-12-04 Calculatrice electronique de faible consommation

Country Status (2)

Country Link
US (1) US3987416A (fr)
CA (1) CA1023866A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117542A (en) * 1977-07-07 1978-09-26 Judah Klausner Electronic pocket directory
JPS55129834A (en) * 1979-03-28 1980-10-08 Toshiba Corp Digital operation processor
US4837681A (en) * 1986-03-13 1989-06-06 Tandem Computers Incorporated Instruction sequencer branch mechanism
US5617574A (en) * 1989-05-04 1997-04-01 Texas Instruments Incorporated Devices, systems and methods for conditional instructions
US20060183090A1 (en) * 2005-02-15 2006-08-17 Nollan Theordore G System and method for computerized training of English with a predefined set of syllables
CN111724721B (zh) * 2020-07-14 2023-01-06 浙江虬晟光电技术有限公司 一种集成ic驱动的荧光显示屏装置及控制方法
US12495042B2 (en) * 2021-08-16 2025-12-09 Capital One Services, Llc Systems and methods for resetting an authentication counter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1242121A (en) * 1968-03-01 1971-08-11 Bell Punch Co Ltd Improvements in or relating to calculating machine
US3676656A (en) * 1969-06-30 1972-07-11 Gen Electric Electronic digital slide rule
US3631403A (en) * 1969-09-08 1971-12-28 Singer Co Retail sales transaction terminal
US3623082A (en) * 1970-05-27 1971-11-23 Clare & Co C P Keyboard assembly
US3702988A (en) * 1970-09-14 1972-11-14 Ncr Co Digital processor
US3800129A (en) * 1970-12-28 1974-03-26 Electronic Arrays Mos desk calculator
US3760171A (en) * 1971-01-12 1973-09-18 Wang Laboratories Programmable calculators having display means and multiple memories
US3745536A (en) * 1971-03-01 1973-07-10 Burroughs Corp High speed serial scan and read-out of keyboards
US3688263A (en) * 1971-04-19 1972-08-29 Burroughs Corp Method and apparatus for diagnosing operation of a digital processor
US3757308A (en) * 1971-09-03 1973-09-04 Texas Instruments Inc Data processor
US3748452A (en) * 1971-11-17 1973-07-24 Alan M Vorhee Electronic cash register
US3781852A (en) * 1972-11-21 1973-12-25 Bowmar Instrument Corp Calculator display circuit

Also Published As

Publication number Publication date
US3987416A (en) 1976-10-19

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