FR502558A - Speed indicator - Google Patents

Speed indicator

Info

Publication number
FR502558A
FR502558A FR502558A FR502558DA FR502558A FR 502558 A FR502558 A FR 502558A FR 502558 A FR502558 A FR 502558A FR 502558D A FR502558D A FR 502558DA FR 502558 A FR502558 A FR 502558A
Authority
FR
France
Prior art keywords
speed indicator
indicator
speed
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
FR502558A
Other languages
French (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.)
AERA SOC
Original Assignee
AERA SOC
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 AERA SOC filed Critical AERA SOC
Application granted granted Critical
Publication of FR502558A publication Critical patent/FR502558A/en
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
    • G01P3/02—Devices characterised by the use of mechanical means
    • G01P3/04—Devices characterised by the use of mechanical means by comparing two speeds
    • G01P3/06—Devices characterised by the use of mechanical means by comparing two speeds using a friction gear

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR502558A 1915-12-04 1915-12-04 Speed indicator Expired FR502558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR502558T 1915-12-04

Publications (1)

Publication Number Publication Date
FR502558A true FR502558A (en) 1920-05-19

Family

ID=8906450

Family Applications (1)

Application Number Title Priority Date Filing Date
FR502558A Expired FR502558A (en) 1915-12-04 1915-12-04 Speed indicator

Country Status (1)

Country Link
FR (1) FR502558A (en)

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