FR41234E - Tachymètre électrique - Google Patents

Tachymètre électrique

Info

Publication number
FR41234E
FR41234E FR41234DA FR41234E FR 41234 E FR41234 E FR 41234E FR 41234D A FR41234D A FR 41234DA FR 41234 E FR41234 E FR 41234E
Authority
FR
France
Prior art keywords
electric tachometer
tachometer
electric
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
Other languages
English (en)
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.)
C E M A CONST ELECTRO MECANIQU
Original Assignee
C E M A CONST ELECTRO MECANIQU
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 C E M A CONST ELECTRO MECANIQU filed Critical C E M A CONST ELECTRO MECANIQU
Application granted granted Critical
Publication of FR41234E publication Critical patent/FR41234E/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR41234D 1931-06-09 1931-06-09 Tachymètre électrique Expired FR41234E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41234T 1931-06-09

Publications (1)

Publication Number Publication Date
FR41234E true FR41234E (fr) 1932-12-02

Family

ID=8677416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41234D Expired FR41234E (fr) 1931-06-09 1931-06-09 Tachymètre électrique

Country Status (1)

Country Link
FR (1) FR41234E (fr)

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