GB1411439A - Optical velocity measuring apparatus - Google Patents

Optical velocity measuring apparatus

Info

Publication number
GB1411439A
GB1411439A GB3916772A GB3916772A GB1411439A GB 1411439 A GB1411439 A GB 1411439A GB 3916772 A GB3916772 A GB 3916772A GB 3916772 A GB3916772 A GB 3916772A GB 1411439 A GB1411439 A GB 1411439A
Authority
GB
United Kingdom
Prior art keywords
photo
cells
mirrors
velocity
screen
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
GB3916772A
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.)
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 GB3916772A priority Critical patent/GB1411439A/en
Priority to FR7330645A priority patent/FR2197172B1/fr
Priority to US390793A priority patent/US3902804A/en
Priority to DE19732342696 priority patent/DE2342696C3/de
Publication of GB1411439A publication Critical patent/GB1411439A/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
    • G01P3/36—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)
  • Length Measuring Devices By Optical Means (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
GB3916772A 1972-08-23 1972-08-23 Optical velocity measuring apparatus Expired GB1411439A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB3916772A GB1411439A (en) 1972-08-23 1972-08-23 Optical velocity measuring apparatus
FR7330645A FR2197172B1 (enExample) 1972-08-23 1973-08-23
US390793A US3902804A (en) 1972-08-23 1973-08-23 Optical velocity measuring apparatus
DE19732342696 DE2342696C3 (de) 1972-08-23 1973-08-23 Vorrichtung zur optischen Geschwindigkeitsmessung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3916772A GB1411439A (en) 1972-08-23 1972-08-23 Optical velocity measuring apparatus

Publications (1)

Publication Number Publication Date
GB1411439A true GB1411439A (en) 1975-10-22

Family

ID=10408045

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3916772A Expired GB1411439A (en) 1972-08-23 1972-08-23 Optical velocity measuring apparatus

Country Status (3)

Country Link
US (1) US3902804A (enExample)
FR (1) FR2197172B1 (enExample)
GB (1) GB1411439A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130453A (en) * 1982-11-12 1984-05-31 Zumbach Electronic Ag Movement detection

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509649A (en) * 1994-10-11 1996-04-23 Buhrkuhl; David R. Device and method for measuring the velocity and zonal position of a pitched ball
IL139695A0 (en) * 2000-11-15 2002-02-10 Technion R & D Foundation Ltd Method and apparatus for micro-machined sensors using enhanced modulated integrative differential optical sensing
DE102009047198A1 (de) * 2009-11-26 2011-06-01 Universität Rostock Mikroarraybasiertes Ortsfilter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049612B (enExample) * 1959-01-29
US2136486A (en) * 1934-02-14 1938-11-15 Blondin Michel Charles Automatic apparatus for direct observation of picture strips and the like
US2439295A (en) * 1943-06-14 1948-04-06 Hammond Instr Co Speed responsive apparatus
US3031351A (en) * 1957-02-18 1962-04-24 Oran T Mcilvaine Light control devices and methods of manufacturing same
US3059521A (en) * 1960-01-21 1962-10-23 John E Clemens Ground speed-altitude indicator
GB1307431A (en) * 1970-06-19 1973-02-21 Secr Defence Optical masking devices and apparatus using such devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130453A (en) * 1982-11-12 1984-05-31 Zumbach Electronic Ag Movement detection

Also Published As

Publication number Publication date
FR2197172A1 (enExample) 1974-03-22
DE2342696A1 (de) 1974-03-21
DE2342696B2 (de) 1976-08-19
US3902804A (en) 1975-09-02
FR2197172B1 (enExample) 1976-06-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee