CH668678GA3 - - Google Patents

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Publication number
CH668678GA3
CH668678GA3 CH79787A CH79787A CH668678GA3 CH 668678G A3 CH668678G A3 CH 668678GA3 CH 79787 A CH79787 A CH 79787A CH 79787 A CH79787 A CH 79787A CH 668678G A3 CH668678G A3 CH 668678GA3
Authority
CH
Switzerland
Prior art keywords
detection sensor
photo
disposed
light beam
opening
Prior art date
Application number
CH79787A
Other languages
English (en)
French (fr)
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 filed Critical
Priority to CH79787A priority Critical patent/CH668678GA3/fr
Priority to US07/159,085 priority patent/US4868402A/en
Priority to EP88102882A priority patent/EP0283760B1/fr
Priority to DE8888102882T priority patent/DE3864863D1/de
Priority to JP63047348A priority patent/JPS63243814A/ja
Publication of CH668678GA3 publication Critical patent/CH668678GA3/fr
Priority to HK178496A priority patent/HK178496A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • G01V8/14—Detecting, e.g. by using light barriers using one transmitter and one receiver using reflectors
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/008—Mounting, assembling of components
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Electromechanical Clocks (AREA)
  • Optical Transform (AREA)
  • Electric Clocks (AREA)
  • Cookers (AREA)
  • Vehicle Body Suspensions (AREA)
  • Body Structure For Vehicles (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
CH79787A 1987-03-03 1987-03-03 CH668678GA3 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH79787A CH668678GA3 (ja) 1987-03-03 1987-03-03
US07/159,085 US4868402A (en) 1987-03-03 1988-02-23 Device for detecting the transit of a mobile member through a reference position
EP88102882A EP0283760B1 (fr) 1987-03-03 1988-02-26 Dispositif de détection du passage d'un organe mobile par une position de référence
DE8888102882T DE3864863D1 (de) 1987-03-03 1988-02-26 Vorrichtung zur feststellung des durchgangs eines bewegenden organs durch eine referenzposition.
JP63047348A JPS63243814A (ja) 1987-03-03 1988-02-29 可動部材の基準位置通過を検出する装置
HK178496A HK178496A (en) 1987-03-03 1996-09-26 Device for detecting the passage of a moving organ in a reference position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH79787A CH668678GA3 (ja) 1987-03-03 1987-03-03

Publications (1)

Publication Number Publication Date
CH668678GA3 true CH668678GA3 (ja) 1989-01-31

Family

ID=4195408

Family Applications (1)

Application Number Title Priority Date Filing Date
CH79787A CH668678GA3 (ja) 1987-03-03 1987-03-03

Country Status (6)

Country Link
US (1) US4868402A (ja)
EP (1) EP0283760B1 (ja)
JP (1) JPS63243814A (ja)
CH (1) CH668678GA3 (ja)
DE (1) DE3864863D1 (ja)
HK (1) HK178496A (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH680696B5 (ja) * 1989-11-03 1993-04-30 Rolex Montres
GB2238611B (en) * 1989-11-22 1993-10-06 Univ Bristol Position checking
NL9001253A (nl) * 1990-06-01 1992-01-02 Philips Nv Inrichting voor het optisch bepalen van de positie en stand van een voorwerp en optisch inschrijf- en/of weergaveapparaat voorzien van een dergelijke inrichting.
SE500882C2 (sv) * 1992-02-27 1994-09-26 Rydborn S A O Anordning för alstring av en elektrisk signal i motsvarighet till rörelse i en viss riktning av ett föremål, t ex en tråd
NL9200449A (nl) * 1992-03-11 1993-10-01 Nedap Nv Inrichting voor detectie van de positie van een beweegbaar lichaam.
US5792077A (en) * 1997-03-31 1998-08-11 Bel-Art Products, Inc. Feedback goniometer for measuring flexibility of member movement
JP2000147021A (ja) * 1998-11-11 2000-05-26 Ando Electric Co Ltd 電気光学サンプリングオシロスコープ用受光回路
GB2448869A (en) * 2007-04-20 2008-11-05 Sharp Kk Stray light compensation in ambient light sensor
EP2264898B1 (en) * 2009-06-17 2013-05-22 OSRAM Opto Semiconductors GmbH Optical proximity sensor
EP2869140B1 (fr) * 2013-10-30 2016-04-06 The Swatch Group Research and Development Ltd. Dispositif de détection de la position des aiguilles d'une montre
US11395566B2 (en) 2016-04-11 2022-07-26 Gpcp Ip Holdings Llc Sheet product dispenser
US11412900B2 (en) 2016-04-11 2022-08-16 Gpcp Ip Holdings Llc Sheet product dispenser with motor operation sensing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420263A (en) * 1981-12-23 1983-12-13 Eta S.A., Fabriques D'ebauches Electronic watch with means for detecting the movement of a hand through a reference position
JPS6076612A (ja) * 1983-09-30 1985-05-01 Matsushita Electric Works Ltd 光学的ロ−タリエンコ−ダ
US4593194A (en) * 1983-10-05 1986-06-03 Quantum Corporation Optical encoder with digital gain compensation controlling source intensity

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3421009A (en) * 1966-06-14 1969-01-07 Felix P Caruthers Temperature compensated photosensor system
JPS4897557A (ja) * 1972-03-27 1973-12-12
US3931513A (en) * 1974-09-23 1976-01-06 Ampex Corporation Sensing circuit for tape position markers
US4659930A (en) * 1985-12-27 1987-04-21 Honeywell Inc. Radiation hard visible light readout circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420263A (en) * 1981-12-23 1983-12-13 Eta S.A., Fabriques D'ebauches Electronic watch with means for detecting the movement of a hand through a reference position
JPS6076612A (ja) * 1983-09-30 1985-05-01 Matsushita Electric Works Ltd 光学的ロ−タリエンコ−ダ
US4593194A (en) * 1983-10-05 1986-06-03 Quantum Corporation Optical encoder with digital gain compensation controlling source intensity

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 217 (P-385)[1940], 4 septembre 1985; & JP-A-60 76 612 (MATSUSHITA DENKO K.K.) 01-05-1985 *

Also Published As

Publication number Publication date
HK178496A (en) 1996-10-04
US4868402A (en) 1989-09-19
JPS63243814A (ja) 1988-10-11
EP0283760B1 (fr) 1991-09-18
DE3864863D1 (de) 1991-10-24
EP0283760A1 (fr) 1988-09-28

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