FR2213501A1 - - Google Patents

Info

Publication number
FR2213501A1
FR2213501A1 FR7238671A FR7238671A FR2213501A1 FR 2213501 A1 FR2213501 A1 FR 2213501A1 FR 7238671 A FR7238671 A FR 7238671A FR 7238671 A FR7238671 A FR 7238671A FR 2213501 A1 FR2213501 A1 FR 2213501A1
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.)
Granted
Application number
FR7238671A
Other languages
French (fr)
Other versions
FR2213501B1 (Direct
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to FR7238671A priority Critical patent/FR2213501B1/fr
Publication of FR2213501A1 publication Critical patent/FR2213501A1/fr
Application granted granted Critical
Publication of FR2213501B1 publication Critical patent/FR2213501B1/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
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR7238671A 1972-10-31 1972-10-31 Expired FR2213501B1 (Direct)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7238671A FR2213501B1 (Direct) 1972-10-31 1972-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7238671A FR2213501B1 (Direct) 1972-10-31 1972-10-31

Publications (2)

Publication Number Publication Date
FR2213501A1 true FR2213501A1 (Direct) 1974-08-02
FR2213501B1 FR2213501B1 (Direct) 1975-11-07

Family

ID=9106490

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7238671A Expired FR2213501B1 (Direct) 1972-10-31 1972-10-31

Country Status (1)

Country Link
FR (1) FR2213501B1 (Direct)

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
REVUE BRITANNIQUE ELECTRONICS WEEKLY, 6 OCTOBRE 1971, NO. 579, PAGE 3 'MARCONI DEVELOP OPTICAL *
SPEED METER') *

Also Published As

Publication number Publication date
FR2213501B1 (Direct) 1975-11-07

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Legal Events

Date Code Title Description
ST Notification of lapse