NO172010C - Posisjonsfoeler - Google Patents

Posisjonsfoeler

Info

Publication number
NO172010C
NO172010C NO871043A NO871043A NO172010C NO 172010 C NO172010 C NO 172010C NO 871043 A NO871043 A NO 871043A NO 871043 A NO871043 A NO 871043A NO 172010 C NO172010 C NO 172010C
Authority
NO
Norway
Prior art keywords
moving member
sensor
digital signal
remote
image
Prior art date
Application number
NO871043A
Other languages
English (en)
Other versions
NO172010B (no
NO871043D0 (no
NO871043L (no
Inventor
Jr John P Harrell
Douglas Michalsky
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
Publication of NO871043D0 publication Critical patent/NO871043D0/no
Publication of NO871043L publication Critical patent/NO871043L/no
Publication of NO172010B publication Critical patent/NO172010B/no
Publication of NO172010C publication Critical patent/NO172010C/no

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)
  • Burglar Alarm Systems (AREA)
  • Vehicle Body Suspensions (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Optical Transform (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NO871043A 1985-07-16 1987-03-13 Posisjonsfoeler NO172010C (no)

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 (4)

Publication Number Publication Date
NO871043D0 NO871043D0 (no) 1987-03-13
NO871043L NO871043L (no) 1987-05-13
NO172010B NO172010B (no) 1993-02-15
NO172010C true NO172010C (no) 1993-05-26

Family

ID=25039366

Family Applications (1)

Application Number Title Priority Date Filing Date
NO871043A NO172010C (no) 1985-07-16 1987-03-13 Posisjonsfoeler

Country Status (7)

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

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 (en) * 2001-06-22 2006-08-16 Cooper Cameron Corporation Blow out preventer testing apparatus
US7194913B2 (en) * 2002-08-26 2007-03-27 Shell Oil Company Apparatuses and methods for monitoring stress in steel catenary risers
WO2006050488A1 (en) * 2004-11-03 2006-05-11 Shell Internationale Research Maatschappij B.V. Apparatus and method for retroactively installing sensors on marine elements
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
BR112015005998B1 (pt) * 2012-09-19 2020-11-17 Halliburton Energy Services, Inc unidade e método para determinar a colocação de uma árvore de teste submarino dentro de um controlador preventivo de erupção
US9598953B2 (en) 2012-12-14 2017-03-21 Halliburton Energy Services, Inc. Subsea dummy run elimination assembly and related method utilizing a logging assembly
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
DE3682181D1 (de) 1991-11-28
NO172010B (no) 1993-02-15
ATE68878T1 (de) 1991-11-15
EP0229175B1 (en) 1991-10-23
NO871043D0 (no) 1987-03-13
EP0229175A1 (en) 1987-07-22
AU6149586A (en) 1987-02-10
WO1987000619A1 (en) 1987-01-29
NO871043L (no) 1987-05-13

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Free format text: LAPSED IN JANUARY 2002