SE8200144L - Optisk forskjutnings- resp forflyttningsomvandlare - Google Patents

Optisk forskjutnings- resp forflyttningsomvandlare

Info

Publication number
SE8200144L
SE8200144L SE8200144A SE8200144A SE8200144L SE 8200144 L SE8200144 L SE 8200144L SE 8200144 A SE8200144 A SE 8200144A SE 8200144 A SE8200144 A SE 8200144A SE 8200144 L SE8200144 L SE 8200144L
Authority
SE
Sweden
Prior art keywords
light beam
reference position
circular path
displacement
grating
Prior art date
Application number
SE8200144A
Other languages
Unknown language ( )
English (en)
Inventor
D A Rush
R D Swadling
Original Assignee
Smiths Industries Plc
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 Smiths Industries Plc filed Critical Smiths Industries Plc
Publication of SE8200144L publication Critical patent/SE8200144L/sv

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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2454—Encoders incorporating incremental and absolute signals
    • G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
    • G01D5/2457—Incremental encoders having reference marks
    • 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
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • G01D5/34723—Scale reading or illumination devices involving light-guides

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
SE8200144A 1981-01-13 1982-01-13 Optisk forskjutnings- resp forflyttningsomvandlare SE8200144L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8100961A GB2090968B (en) 1981-01-13 1981-01-13 Optical displacement transducers

Publications (1)

Publication Number Publication Date
SE8200144L true SE8200144L (sv) 1982-07-14

Family

ID=10518946

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8200144A SE8200144L (sv) 1981-01-13 1982-01-13 Optisk forskjutnings- resp forflyttningsomvandlare

Country Status (6)

Country Link
US (1) US4388613A (sv)
DE (1) DE3200204A1 (sv)
FR (1) FR2497945A1 (sv)
GB (1) GB2090968B (sv)
IT (1) IT1149427B (sv)
SE (1) SE8200144L (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3428474A1 (de) * 1984-08-02 1986-02-06 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Messeinrichtung
DE3720142A1 (de) * 1987-06-16 1988-12-29 Rottenkolber Holo System Gmbh Holographische messeinrichtung
US4831376A (en) * 1987-08-05 1989-05-16 Center For Innovative Technology Optical analog-to-digital converter and transducer
DE3822007A1 (de) * 1988-06-30 1990-01-04 Bodenseewerk Geraetetech Digitaler lagesignalgeber
DE3829647A1 (de) * 1988-09-01 1990-03-15 Bodenseewerk Geraetetech Bewegungssensor
US5038031A (en) * 1989-06-22 1991-08-06 Optec D.D. Melco Laboratory Co., Ltd. Optical rotary encoder having large and small numerical aperture fibers
AT410485B (de) * 1997-07-30 2003-05-26 Rsf Elektronik Gmbh Positionsmesseinrichtung
US6552809B1 (en) 2000-09-18 2003-04-22 Institut National D'optique Position encoding optical device and method
DE10106699C2 (de) * 2001-02-14 2003-11-27 Leica Microsystems Berührungssensor und Vorrichtung zum Schutz eines hervorstehenden Bauteils
US7204137B1 (en) * 2003-08-20 2007-04-17 Essex, Inc. Thread breakage detection systems and methods

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098152A (en) * 1957-10-01 1963-07-16 Continental Elektro Ind Ag Means for measuring scale motions
US3165730A (en) * 1959-04-15 1965-01-12 Bendix Corp Encoder
US3461307A (en) * 1964-01-21 1969-08-12 Imp Smelting Corp Ltd Radiation sensitive integrating device using synchronously driven rotating members
US3831169A (en) * 1972-05-15 1974-08-20 W Raser Opaque-vane analog to digital converter

Also Published As

Publication number Publication date
IT8219041A0 (it) 1982-01-08
IT1149427B (it) 1986-12-03
GB2090968A (en) 1982-07-21
DE3200204A1 (de) 1982-08-12
GB2090968B (en) 1985-03-13
FR2497945A1 (fr) 1982-07-16
US4388613A (en) 1983-06-14

Similar Documents

Publication Publication Date Title
SE8200144L (sv) Optisk forskjutnings- resp forflyttningsomvandlare
JP4780825B2 (ja) 回転部材用回転角センサー
US5153437A (en) Optical encoder having a transparent lens plate with an array of lenses
IT1236791B (it) Dispositivo di controllo del gioco dell'anello delle palette di turbina, con taratura automatica.
FR2349152A1 (fr) Objectif a focale variable avec dispositif de reglage
DE69021532D1 (de) Digitalsignaldetektor mit variabler Bandbreite.
BR8301977A (pt) Transmissao automatica de relacao variavel e bicicleta
CA1003672A (en) Optical sensor for determining the focussing error in an optical illumination system embodying a projection lens
US2685083A (en) Photoelectric signal generator for position indicators
JPH08278167A (ja) 光学スケール及びそれを用いたロータリーエンコーダ
EP0131900A3 (en) Incremental angular encoder
KR970066626A (ko) 정/역 회전을 검출하기 위한 엔코더
EP0090576A3 (en) A pulse encoder
FR2677770B1 (fr) Detecteur de variations de vitesse a aimant cylindrique.
JP3095759B2 (ja) 光学式移動量検出装置
GB1438068A (en) Servomechanism
JPS5242116A (en) Diaphragm interlocking device for convertible lens
SU1103274A1 (ru) Преобразователь угла поворота вала в код
FR2345607A1 (fr) Dispositif d'actionnement rotatif a tige de piston annulaire
JPS6110912Y2 (sv)
SU464882A1 (ru) Объектив с переменным фокусным рассто нием
JPS5227646A (en) Optical device
JPS57133799A (en) Electroacoustic transducer
JPS6010909A (ja) パルス発生装置
SU140113A1 (ru) Устройство дл автоматической коррекции угловой погрешности передач в кинематических системах

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8200144-7