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GB2313662B - Optical transducer and method - Google Patents

Optical transducer and method

Info

Publication number
GB2313662B
GB2313662B GB9608370A GB9608370A GB2313662B GB 2313662 B GB2313662 B GB 2313662B GB 9608370 A GB9608370 A GB 9608370A GB 9608370 A GB9608370 A GB 9608370A GB 2313662 B GB2313662 B GB 2313662B
Authority
GB
United Kingdom
Prior art keywords
optical transducer
transducer
optical
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 - Lifetime
Application number
GB9608370A
Other versions
GB9608370D0 (en
GB2313662A (en
Inventor
Ian Hugh White
Roger Phillip Griffiths
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.)
R D P ELECTRONICS Ltd
Original Assignee
R D P ELECTRONICS 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 R D P ELECTRONICS Ltd filed Critical R D P ELECTRONICS Ltd
Priority to GB9608370A priority Critical patent/GB2313662B/en
Publication of GB9608370D0 publication Critical patent/GB9608370D0/en
Priority to PCT/GB1997/001123 priority patent/WO1997040344A1/en
Priority to AU23970/97A priority patent/AU2397097A/en
Priority to EP97919531A priority patent/EP1012540A1/en
Publication of GB2313662A publication Critical patent/GB2313662A/en
Application granted granted Critical
Publication of GB2313662B publication Critical patent/GB2313662B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB9608370A 1996-04-23 1996-04-23 Optical transducer and method Expired - Lifetime GB2313662B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9608370A GB2313662B (en) 1996-04-23 1996-04-23 Optical transducer and method
PCT/GB1997/001123 WO1997040344A1 (en) 1996-04-23 1997-04-23 Optical transducer, method and laser diode arrangement
AU23970/97A AU2397097A (en) 1996-04-23 1997-04-23 Optical transducer, method and laser diode arrangement
EP97919531A EP1012540A1 (en) 1996-04-23 1997-04-23 Optical transducer, method and laser diode arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9608370A GB2313662B (en) 1996-04-23 1996-04-23 Optical transducer and method

Publications (3)

Publication Number Publication Date
GB9608370D0 GB9608370D0 (en) 1996-06-26
GB2313662A GB2313662A (en) 1997-12-03
GB2313662B true GB2313662B (en) 2000-04-12

Family

ID=10792499

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9608370A Expired - Lifetime GB2313662B (en) 1996-04-23 1996-04-23 Optical transducer and method

Country Status (1)

Country Link
GB (1) GB2313662B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0209721A1 (en) * 1985-06-26 1987-01-28 Rockwell International Corporation Laser sensor
EP0212915A2 (en) * 1985-08-06 1987-03-04 American Micro-Optical, Inc. Fiber laser sensor
EP0228773A1 (en) * 1985-10-10 1987-07-15 British Aerospace Public Limited Company Movement sensing
WO1995013638A1 (en) * 1993-11-08 1995-05-18 International Business Machines Corporation Hybrid external coupled cavity semiconductor laser device
US5456112A (en) * 1993-12-21 1995-10-10 Alliedsignal Inc. High accuracy laser accelerometer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0209721A1 (en) * 1985-06-26 1987-01-28 Rockwell International Corporation Laser sensor
EP0212915A2 (en) * 1985-08-06 1987-03-04 American Micro-Optical, Inc. Fiber laser sensor
EP0228773A1 (en) * 1985-10-10 1987-07-15 British Aerospace Public Limited Company Movement sensing
WO1995013638A1 (en) * 1993-11-08 1995-05-18 International Business Machines Corporation Hybrid external coupled cavity semiconductor laser device
US5456112A (en) * 1993-12-21 1995-10-10 Alliedsignal Inc. High accuracy laser accelerometer

Also Published As

Publication number Publication date
GB9608370D0 (en) 1996-06-26
GB2313662A (en) 1997-12-03

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20160422