JPS5249288B1 - - Google Patents

Info

Publication number
JPS5249288B1
JPS5249288B1 JP45020302A JP2030270A JPS5249288B1 JP S5249288 B1 JPS5249288 B1 JP S5249288B1 JP 45020302 A JP45020302 A JP 45020302A JP 2030270 A JP2030270 A JP 2030270A JP S5249288 B1 JPS5249288 B1 JP S5249288B1
Authority
JP
Japan
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.)
Pending
Application number
JP45020302A
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 filed Critical
Priority to JP45020302A priority Critical patent/JPS5249288B1/ja
Priority to FR7108115A priority patent/FR2084368A5/fr
Priority to DE19712111520 priority patent/DE2111520C3/de
Priority to US00122666A priority patent/US3761918A/en
Publication of JPS5249288B1 publication Critical patent/JPS5249288B1/ja
Pending legal-status Critical Current

Links

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
    • H03M11/22—Static coding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/085—Error detection or correction by redundancy in data representation, e.g. by using checking codes using codes with inherent redundancy, e.g. n-out-of-m codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Calculators And Similar Devices (AREA)
JP45020302A 1970-03-10 1970-03-10 Pending JPS5249288B1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP45020302A JPS5249288B1 (ja) 1970-03-10 1970-03-10
FR7108115A FR2084368A5 (ja) 1970-03-10 1971-03-09
DE19712111520 DE2111520C3 (de) 1970-03-10 1971-03-10 Schaltung zum Erzeugen eines Warnoder Sperrsignales beim gleichzeitigen Betätigen von mindestens zwei ausgewählten Tasten insbesondere einer Schreib- oder Rechenmaschine
US00122666A US3761918A (en) 1970-03-10 1971-03-10 Concurrent entry preventing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45020302A JPS5249288B1 (ja) 1970-03-10 1970-03-10

Publications (1)

Publication Number Publication Date
JPS5249288B1 true JPS5249288B1 (ja) 1977-12-16

Family

ID=12023339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45020302A Pending JPS5249288B1 (ja) 1970-03-10 1970-03-10

Country Status (3)

Country Link
US (1) US3761918A (ja)
JP (1) JPS5249288B1 (ja)
FR (1) FR2084368A5 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USH1970H1 (en) 1971-07-19 2001-06-05 Texas Instruments Incorporated Variable function programmed system
GB35278A (ja) * 1972-07-26
US4833446A (en) * 1979-11-21 1989-05-23 Ergoplic Ltd. Keyboard apparatus and method
US4680572A (en) * 1981-12-14 1987-07-14 Ncr Corporation Chord entry keying of data fields
US8281041B2 (en) * 2006-11-22 2012-10-02 Carefusion 303, Inc. System and method for preventing keypad entry errors
TWI345168B (en) * 2007-09-27 2011-07-11 Sunplus Innovation Technology Inc Tilt-wheel mouse circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735091A (en) * 1956-02-14 burkhart
US2603746A (en) * 1950-10-13 1952-07-15 Monroe Calculating Machine Switching circuit
US2737647A (en) * 1952-10-25 1956-03-06 Monroe Calculating Machine Keyboard alarm
US2718633A (en) * 1952-10-25 1955-09-20 Monroe Calculating Machine Keyboard circuit for electronic computers and the like
US3483553A (en) * 1967-06-08 1969-12-09 Scantlin Electronics Inc Keyboard input system

Also Published As

Publication number Publication date
DE2111520A1 (de) 1971-09-30
US3761918A (en) 1973-09-25
FR2084368A5 (ja) 1971-12-17
DE2111520B2 (de) 1975-07-10

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