GB2054995B - Optical position encoder arrangement - Google Patents

Optical position encoder arrangement

Info

Publication number
GB2054995B
GB2054995B GB7924591A GB7924591A GB2054995B GB 2054995 B GB2054995 B GB 2054995B GB 7924591 A GB7924591 A GB 7924591A GB 7924591 A GB7924591 A GB 7924591A GB 2054995 B GB2054995 B GB 2054995B
Authority
GB
United Kingdom
Prior art keywords
optical position
position encoder
encoder arrangement
arrangement
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
Application number
GB7924591A
Other versions
GB2054995A (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 GB7924591A priority Critical patent/GB2054995B/en
Publication of GB2054995A publication Critical patent/GB2054995A/en
Application granted granted Critical
Publication of GB2054995B publication Critical patent/GB2054995B/en
Expired 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
    • G01D5/268—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 using optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0402—Recording geometries or arrangements
    • G03H2001/0415—Recording geometries or arrangements for recording reflection holograms
    • G03H2001/0417—Recording geometries or arrangements for recording reflection holograms for recording single beam Lippmann hologram wherein the object is illuminated by reference beam passing through the recording material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0402—Recording geometries or arrangements
    • G03H2001/0439—Recording geometries or arrangements for recording Holographic Optical Element [HOE]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/26—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with weighted coding, i.e. the weight given to a digit depends on the position of the digit within the block or code word, e.g. there is a given radix and the weights are powers of this radix
GB7924591A 1979-07-14 1979-07-14 Optical position encoder arrangement Expired GB2054995B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7924591A GB2054995B (en) 1979-07-14 1979-07-14 Optical position encoder arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7924591A GB2054995B (en) 1979-07-14 1979-07-14 Optical position encoder arrangement

Publications (2)

Publication Number Publication Date
GB2054995A GB2054995A (en) 1981-02-18
GB2054995B true GB2054995B (en) 1983-06-29

Family

ID=10506510

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7924591A Expired GB2054995B (en) 1979-07-14 1979-07-14 Optical position encoder arrangement

Country Status (1)

Country Link
GB (1) GB2054995B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59501639A (en) * 1982-09-25 1984-09-13 レニシヨウ　パブリツク　リミテツド　カンパニ− displacement measuring device
FR2553878B1 (en) * 1983-10-25 1987-04-17 Telecommunications Sa OPTICAL POSITION MARKING SYSTEM
US4671603A (en) * 1983-11-17 1987-06-09 Pilkington P.E. Limited Optical filters and multiplexing-demultiplexing devices using the same
IT1185455B (en) * 1985-10-16 1987-11-12 Pirelli Cavi Spa OPTICAL POSITION SENSOR
FR2589233B1 (en) * 1985-10-29 1990-05-25 Mcb ANALOGUE OPTICAL POSITION MARKING ENCODER
GB2209101A (en) * 1987-08-23 1989-04-26 Schlumberger Ind Ltd Optical transducer sensing
GB8904320D0 (en) * 1989-02-24 1989-07-05 Pilkington Plc Holographic exposure method and apparatus
US4953933A (en) * 1989-07-10 1990-09-04 The Boeing Company Optical encoder reading device
GB9205575D0 (en) * 1992-03-13 1992-04-29 Lucas Ind Plc Position encoder
US5541405A (en) * 1994-07-27 1996-07-30 Parker-Hannifin Corporation Method and device for continuous pattern sensing using fiber optics
JP4695592B2 (en) * 2003-07-21 2011-06-08 ケンブリッジ エンタープライズ リミテッド Holographic sensor
EP2746730B1 (en) * 2012-12-21 2015-11-18 SICK STEGMANN GmbH Drive system with an angle encoder

Also Published As

Publication number Publication date
GB2054995A (en) 1981-02-18

Similar Documents

Publication Publication Date Title
GB2076147B (en) Position encoder
GB2098332B (en) Position sensor
JPS55114088A (en) Information encoder
DE3060666D1 (en) Optical commutator
JPS5628590A (en) Optical switch
JPS53110338A (en) Encoder
JPS5458457A (en) Optical rotary encoder
JPS5658627A (en) Optical sensor
JPS56129998A (en) Optical position converter
JPS564899A (en) Optical fiber type encoder
JPS56168296A (en) Optical position sensor
JPS55144511A (en) Optical sensor
GB2054995B (en) Optical position encoder arrangement
JPS5641541A (en) Semiconductorrlaser optical readdhead
DE3065156D1 (en) Optical scanning devices
DE3066750D1 (en) Optical switch
JPS5643504A (en) Optical sensor
JPS55162173A (en) Optical scanner
JPS53128294A (en) Optical encoder
JPS55114055A (en) Information encoder
GB2056672B (en) Optical fibre sensor
JPS5755441A (en) Position encoder
JPS5640236A (en) Reembedding siliconnwafer groove
GB2057119B (en) Fibre optic digital positional encoder
GB2046470B (en) Optical interferometers

Legal Events

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