FR1604517A - - Google Patents

Info

Publication number
FR1604517A
FR1604517A FR1604517DA FR1604517A FR 1604517 A FR1604517 A FR 1604517A FR 1604517D A FR1604517D A FR 1604517DA FR 1604517 A FR1604517 A FR 1604517A
Authority
FR
France
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
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
Application granted granted Critical
Publication of FR1604517A publication Critical patent/FR1604517A/fr
Expired 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
FR1604517D 1965-09-22 1966-09-21 Expired FR1604517A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48919665A 1965-09-22 1965-09-22

Publications (1)

Publication Number Publication Date
FR1604517A true FR1604517A (fr) 1971-11-29

Family

ID=23942801

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1604517D Expired FR1604517A (fr) 1965-09-22 1966-09-21

Country Status (3)

Country Link
US (1) US3456077A (fr)
DE (1) DE1524201A1 (fr)
FR (1) FR1604517A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH486173A (de) * 1968-02-02 1970-02-15 Siemens Ag Schaltungsanordnung zur tastengesteuerten elektronischen parallelen Abgabe von telegraphischen Impulsen
US3582945A (en) * 1968-04-29 1971-06-01 Msi Data Corp Input device
GB1182879A (en) * 1968-05-30 1970-03-04 Creed & Co Ltd Improvements in Data Transmitting Apparatus.
US3614315A (en) * 1968-08-26 1971-10-19 Teletype Corp Character repeat circuit
DE1932518C3 (de) * 1969-06-26 1974-02-07 Ecofon Verkaufsgesellschaft Probst Kg, 8000 Muenchen Elektrische Schreibmaschine
US3624645A (en) * 1969-12-15 1971-11-30 Sperry Rand Corp Oscillator keyboard with roll and double-strike control
USRE31942E (en) * 1971-03-01 1985-07-09 High speed serial scan and readout of keyboards
CA960587A (en) * 1971-10-08 1975-01-07 Kosei Nomiya Key input circuit system for electronic apparatus
IT954791B (it) * 1972-04-28 1973-09-15 Olivetti & Co Spa Tastiera per macchine calcolatrici contabili e simili macchine per ufficio
US3778816A (en) * 1972-05-03 1973-12-11 Gen Electric Keyboard data entry device employing reactive coupling circuits
DE2756327C2 (de) * 1977-12-17 1979-11-15 Deutsche Itt Industries Gmbh, 7800 Freiburg Schaltung sanordnung für eine Eingabetastatur
US4725816A (en) * 1984-12-10 1988-02-16 John Fluke Mfg. Co., Inc. Matrix keyboard encoder circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE551314A (fr) * 1953-01-23
US2927960A (en) * 1956-03-29 1960-03-08 Teletype Corp Telegraph system
US2942253A (en) * 1956-11-19 1960-06-21 Hupp Corp Switching system control
US3206743A (en) * 1958-08-08 1965-09-14 Link Division Of General Prec Binary universal code keyer
US3115583A (en) * 1960-04-18 1963-12-24 Ibm Information-gated flip-flop adapted to generate output in response to millimicrosecond sampling pulse from blocking oscillator
US3214735A (en) * 1960-04-29 1965-10-26 Westinghouse Electric Corp Double binary coding and decoding system employing nor logic
US3239608A (en) * 1964-01-03 1966-03-08 Navigation Computer Corp Electronic recorder systems
US3232222A (en) * 1964-04-02 1966-02-01 Navigation Computer Corp Printing system having storage and blocking means
US3350688A (en) * 1964-09-30 1967-10-31 Amtron Matrix circuitry controlled by timing modules having individual time duration outputs

Also Published As

Publication number Publication date
US3456077A (en) 1969-07-15
DE1524201A1 (de) 1970-07-09

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Legal Events

Date Code Title Description
ST Notification of lapse