GB2235844B - Optical equipment - Google Patents

Optical equipment

Info

Publication number
GB2235844B
GB2235844B GB9017736A GB9017736A GB2235844B GB 2235844 B GB2235844 B GB 2235844B GB 9017736 A GB9017736 A GB 9017736A GB 9017736 A GB9017736 A GB 9017736A GB 2235844 B GB2235844 B GB 2235844B
Authority
GB
United Kingdom
Prior art keywords
optical equipment
optical
equipment
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 - Fee Related
Application number
GB9017736A
Other versions
GB9017736D0 (en
GB2235844A (en
Inventor
Leslie Ernest Drain
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of GB9017736D0 publication Critical patent/GB9017736D0/en
Publication of GB2235844A publication Critical patent/GB2235844A/en
Application granted granted Critical
Publication of GB2235844B publication Critical patent/GB2235844B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
GB9017736A 1989-08-18 1990-08-13 Optical equipment Expired - Fee Related GB2235844B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898918856A GB8918856D0 (en) 1989-08-18 1989-08-18 Optical equipment

Publications (3)

Publication Number Publication Date
GB9017736D0 GB9017736D0 (en) 1990-09-26
GB2235844A GB2235844A (en) 1991-03-13
GB2235844B true GB2235844B (en) 1993-07-14

Family

ID=10661817

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898918856A Pending GB8918856D0 (en) 1989-08-18 1989-08-18 Optical equipment
GB9017736A Expired - Fee Related GB2235844B (en) 1989-08-18 1990-08-13 Optical equipment

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898918856A Pending GB8918856D0 (en) 1989-08-18 1989-08-18 Optical equipment

Country Status (1)

Country Link
GB (2) GB8918856D0 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2112932A (en) * 1981-12-22 1983-07-27 Ca Atomic Energy Ltd Multiple measuring control volume laser doppler anemometer
US4632548A (en) * 1985-01-18 1986-12-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Projection lens scanning laser velocimeter system
EP0248277A2 (en) * 1986-06-03 1987-12-09 Optra, Inc. Two-frequency laser rotation sensor system
GB2194112A (en) * 1986-07-18 1988-02-24 Malvern Instr Ltd Laser doppler velocimetry

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2112932A (en) * 1981-12-22 1983-07-27 Ca Atomic Energy Ltd Multiple measuring control volume laser doppler anemometer
US4632548A (en) * 1985-01-18 1986-12-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Projection lens scanning laser velocimeter system
EP0248277A2 (en) * 1986-06-03 1987-12-09 Optra, Inc. Two-frequency laser rotation sensor system
GB2194112A (en) * 1986-07-18 1988-02-24 Malvern Instr Ltd Laser doppler velocimetry

Also Published As

Publication number Publication date
GB8918856D0 (en) 1989-09-27
GB9017736D0 (en) 1990-09-26
GB2235844A (en) 1991-03-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950813