FR2213502B1 - - Google Patents

Info

Publication number
FR2213502B1
FR2213502B1 FR7342346A FR7342346A FR2213502B1 FR 2213502 B1 FR2213502 B1 FR 2213502B1 FR 7342346 A FR7342346 A FR 7342346A FR 7342346 A FR7342346 A FR 7342346A FR 2213502 B1 FR2213502 B1 FR 2213502B1
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
FR7342346A
Other languages
French (fr)
Other versions
FR2213502A1 (cg-RX-API-DMAC10.html
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.)
Łukasiewicz Research Network - Industrial Research Institute for Automation and Measurements
Original Assignee
Przemyslowy Instytut Automatyki I Pomiarow MERA PIAP
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 Przemyslowy Instytut Automatyki I Pomiarow MERA PIAP filed Critical Przemyslowy Instytut Automatyki I Pomiarow MERA PIAP
Publication of FR2213502A1 publication Critical patent/FR2213502A1/fr
Application granted granted Critical
Publication of FR2213502B1 publication Critical patent/FR2213502B1/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
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
FR7342346A 1973-01-06 1973-11-28 Expired FR2213502B1 (cg-RX-API-DMAC10.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL16018673 1973-01-06

Publications (2)

Publication Number Publication Date
FR2213502A1 FR2213502A1 (cg-RX-API-DMAC10.html) 1974-08-02
FR2213502B1 true FR2213502B1 (cg-RX-API-DMAC10.html) 1976-06-25

Family

ID=19961365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7342346A Expired FR2213502B1 (cg-RX-API-DMAC10.html) 1973-01-06 1973-11-28

Country Status (7)

Country Link
JP (1) JPS5053076A (cg-RX-API-DMAC10.html)
DD (1) DD111249A5 (cg-RX-API-DMAC10.html)
DE (1) DE2400369A1 (cg-RX-API-DMAC10.html)
FR (1) FR2213502B1 (cg-RX-API-DMAC10.html)
GB (1) GB1452078A (cg-RX-API-DMAC10.html)
IT (1) IT1002165B (cg-RX-API-DMAC10.html)
NL (1) NL7316109A (cg-RX-API-DMAC10.html)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1053444A (cg-RX-API-DMAC10.html) * 1900-01-01
US3597730A (en) * 1968-12-23 1971-08-03 Houston Engineering & Research Vehicle speed indicator system
US3704445A (en) * 1971-07-20 1972-11-28 Richard R Lanham Digital read out indicator for vehicles

Also Published As

Publication number Publication date
IT1002165B (it) 1976-05-20
JPS5053076A (cg-RX-API-DMAC10.html) 1975-05-10
GB1452078A (en) 1976-10-06
DE2400369A1 (de) 1974-07-25
DD111249A5 (cg-RX-API-DMAC10.html) 1975-02-05
NL7316109A (cg-RX-API-DMAC10.html) 1974-07-09
FR2213502A1 (cg-RX-API-DMAC10.html) 1974-08-02

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Legal Events

Date Code Title Description
ST Notification of lapse