CA922386A - Gate control apparatus - Google Patents

Gate control apparatus

Info

Publication number
CA922386A
CA922386A CA120474A CA120474A CA922386A CA 922386 A CA922386 A CA 922386A CA 120474 A CA120474 A CA 120474A CA 120474 A CA120474 A CA 120474A CA 922386 A CA922386 A CA 922386A
Authority
CA
Canada
Prior art keywords
control apparatus
gate control
gate
control
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
CA120474A
Other languages
English (en)
Other versions
CA120474S (en
Inventor
T. Band Ian
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
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of CA922386A publication Critical patent/CA922386A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
CA120474A 1970-09-04 1971-08-11 Gate control apparatus Expired CA922386A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6953470A 1970-09-04 1970-09-04

Publications (1)

Publication Number Publication Date
CA922386A true CA922386A (en) 1973-03-06

Family

ID=22089638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA120474A Expired CA922386A (en) 1970-09-04 1971-08-11 Gate control apparatus

Country Status (7)

Country Link
US (1) US3693097A (ja)
JP (1) JPS5219471B1 (ja)
CA (1) CA922386A (ja)
DE (1) DE2142053A1 (ja)
FR (1) FR2105257B1 (ja)
GB (1) GB1358194A (ja)
MY (1) MY7500221A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1485377A (en) * 1973-11-30 1977-09-08 Lucas Industries Ltd Apparatus for generating a dc signal proportional to an input frequency
US4090242A (en) * 1976-07-15 1978-05-16 Odetics, Inc. Method and means for evaluating phase encoded communication systems
US4128892A (en) * 1977-09-07 1978-12-05 Fairchild Camera And Instrument Corporation Pulse width measurement circuitry
CA1145399A (en) * 1980-10-28 1983-04-26 Hendrik M. Wondergem Frequency counter
FR3123044B1 (fr) 2021-05-20 2024-04-12 Psa Automobiles Sa Dispositif de renfort de train arriere de vehicule, notamment automobile

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1047534A (en) * 1964-05-25 1966-11-09 Standard Telephones Cables Ltd Improvements in or relating to digital counting equipments

Also Published As

Publication number Publication date
DE2142053A1 (de) 1972-03-09
GB1358194A (en) 1974-06-26
JPS5219471B1 (ja) 1977-05-27
FR2105257A1 (ja) 1972-04-28
US3693097A (en) 1972-09-19
FR2105257B1 (ja) 1975-02-07
MY7500221A (en) 1975-12-31

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