FR2105257B1 - - Google Patents

Info

Publication number
FR2105257B1
FR2105257B1 FR7131909A FR7131909A FR2105257B1 FR 2105257 B1 FR2105257 B1 FR 2105257B1 FR 7131909 A FR7131909 A FR 7131909A FR 7131909 A FR7131909 A FR 7131909A FR 2105257 B1 FR2105257 B1 FR 2105257B1
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
FR7131909A
Other versions
FR2105257A1 (fr
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
Publication of FR2105257A1 publication Critical patent/FR2105257A1/fr
Application granted granted Critical
Publication of FR2105257B1 publication Critical patent/FR2105257B1/fr
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)
FR7131909A 1970-09-04 1971-09-03 Expired FR2105257B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2105257A1 FR2105257A1 (fr) 1972-04-28
FR2105257B1 true FR2105257B1 (fr) 1975-02-07

Family

ID=22089638

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7131909A Expired FR2105257B1 (fr) 1970-09-04 1971-09-03

Country Status (7)

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

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 (fr) * 1980-10-28 1983-04-26 Hendrik M. Wondergem Frequencemetre
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
JPS5219471B1 (fr) 1977-05-27
MY7500221A (en) 1975-12-31
DE2142053A1 (de) 1972-03-09
GB1358194A (en) 1974-06-26
CA922386A (en) 1973-03-06
US3693097A (en) 1972-09-19
FR2105257A1 (fr) 1972-04-28

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Legal Events

Date Code Title Description
ST Notification of lapse