DE3682181D1 - Positionssensor und -system. - Google Patents

Positionssensor und -system.

Info

Publication number
DE3682181D1
DE3682181D1 DE8686904711T DE3682181T DE3682181D1 DE 3682181 D1 DE3682181 D1 DE 3682181D1 DE 8686904711 T DE8686904711 T DE 8686904711T DE 3682181 T DE3682181 T DE 3682181T DE 3682181 D1 DE3682181 D1 DE 3682181D1
Authority
DE
Germany
Prior art keywords
moving member
sensor
digital signal
remote
image
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
DE8686904711T
Other languages
English (en)
Inventor
P Harrell
L Michalsky
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.)
HARE NEAL T
Original Assignee
HARE NEAL T
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 HARE NEAL T filed Critical HARE NEAL T
Application granted granted Critical
Publication of DE3682181D1 publication Critical patent/DE3682181D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01D5/32—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 with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34776—Absolute encoders with analogue or digital scales

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Amplifiers (AREA)
  • Vehicle Body Suspensions (AREA)
  • Burglar Alarm Systems (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Optical Transform (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE8686904711T 1985-07-16 1986-07-16 Positionssensor und -system. Expired - Fee Related DE3682181D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/755,489 US4731744A (en) 1985-07-16 1985-07-16 Position sensor and system
PCT/US1986/001523 WO1987000619A1 (en) 1985-07-16 1986-07-16 Position sensor and system

Publications (1)

Publication Number Publication Date
DE3682181D1 true DE3682181D1 (de) 1991-11-28

Family

ID=25039366

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686904711T Expired - Fee Related DE3682181D1 (de) 1985-07-16 1986-07-16 Positionssensor und -system.

Country Status (7)

Country Link
US (1) US4731744A (de)
EP (1) EP0229175B1 (de)
AT (1) ATE68878T1 (de)
AU (1) AU6149586A (de)
DE (1) DE3682181D1 (de)
NO (1) NO172010C (de)
WO (1) WO1987000619A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2022272B3 (es) * 1986-12-22 1991-12-01 Siemens Ag Indicador de posicion de angulo de gran exactitud con trazas palpables de forma fotoelectrica
US4868401A (en) * 1988-10-03 1989-09-19 Erickson Ronnie D Method and means for measuring distance of a moving object from a fixed point of reference
US5825496A (en) * 1996-08-29 1998-10-20 The United States Of America As Represented By The United States Department Of Energy Borehole optical lateral displacement sensor
EP1270870B1 (de) * 2001-06-22 2006-08-16 Cooper Cameron Corporation Testvorrichtung für Ausbruchpreventer
US7194913B2 (en) * 2002-08-26 2007-03-27 Shell Oil Company Apparatuses and methods for monitoring stress in steel catenary risers
MX2007004548A (es) * 2004-11-03 2007-05-23 Shell Int Research Aparato y metodo para instalar retraoactivamente sensores en elementos marinos.
US20080040070A1 (en) * 2006-08-11 2008-02-14 Varco I/P, Inc. Position Indicator for a Blowout Preventer
US7897907B1 (en) 2008-04-24 2011-03-01 The United States Of America As Represented By The Secretary Of The Navy System and method for increasing signal-to-noise ratio in optical-based sensor systems
US8219215B2 (en) * 2008-05-22 2012-07-10 Microsoft Corporation Electronic device properties control
US9500762B2 (en) * 2011-09-19 2016-11-22 Precision Energy Services, Inc. Borehole resistivity imager using discrete energy pulsing
SG11201502134PA (en) * 2012-09-19 2015-05-28 Halliburton Energy Services Inc Subsea dummy run elimination assembly and related method
EP2900901A4 (de) * 2012-12-14 2016-06-08 Halliburton Energy Services Inc Anordnung zur entfernung eines unterwasser-probelaufs und zugehöriges verfahren unter verwendung eines aufzeichnungsvorrichtung
US9587461B1 (en) * 2015-09-11 2017-03-07 Cameron International Corporation Systems and methods for monitoring blowout preventer equipment
US10208555B2 (en) 2016-09-27 2019-02-19 Cameron International Corporation Blowout preventer monitoring systems and methods
US10871384B2 (en) 2019-02-26 2020-12-22 Thomas P. Moyer Apparatus and methods utilizing emissive patterns to determine positional information

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970849C (de) * 1952-10-12 1958-11-06 Siemens Ag Verfahren zur Fernuebertragung von Messwerten nach dem Fernsehprinzip
US3226476A (en) * 1964-03-16 1965-12-28 Roy H Tyler Television scanning device for providing remote motor indication
AU5240069A (en) * 1969-03-24 1971-06-17 LINDSAY CHITTICK and BARRY FRANK LAMBERT RONALD Improved electro-optical measuring system
US3768911A (en) * 1971-08-17 1973-10-30 Keuffel & Esser Co Electro-optical incremental motion and position indicator
US3922539A (en) * 1974-04-02 1975-11-25 Pitney Bowes Inc Improved circuit for detecting the passage of an article beating a repetitive marking
US4163970A (en) * 1975-05-23 1979-08-07 Allinquant F M Pneumatic springs and other telescopic systems
US4344091A (en) * 1979-05-17 1982-08-10 Ncr Corporation Random access memory imaging system
US4429219A (en) * 1981-04-10 1984-01-31 Harris Corporation Apparatus for determining and indicating the position of a movable member
US4337653A (en) * 1981-04-29 1982-07-06 Koomey, Inc. Blowout preventer control and recorder system
SE8103773L (sv) * 1981-06-16 1982-12-17 Asea Ab Optisk digitizer/legesmetare
US4396944A (en) * 1981-09-15 1983-08-02 Phillips Petroleum Company Video image size scaling
US4441125A (en) * 1981-11-03 1984-04-03 Micron Technology, Inc. Image sensor using dynamic random access memory

Also Published As

Publication number Publication date
US4731744A (en) 1988-03-15
WO1987000619A1 (en) 1987-01-29
NO871043D0 (no) 1987-03-13
NO172010B (no) 1993-02-15
NO172010C (no) 1993-05-26
ATE68878T1 (de) 1991-11-15
NO871043L (no) 1987-05-13
EP0229175B1 (de) 1991-10-23
AU6149586A (en) 1987-02-10
EP0229175A1 (de) 1987-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee