DE3480948D1 - Optisches verfahren und vorrichtung zum messen von kleinen verschiebungen. - Google Patents
Optisches verfahren und vorrichtung zum messen von kleinen verschiebungen.Info
- Publication number
- DE3480948D1 DE3480948D1 DE8484306497T DE3480948T DE3480948D1 DE 3480948 D1 DE3480948 D1 DE 3480948D1 DE 8484306497 T DE8484306497 T DE 8484306497T DE 3480948 T DE3480948 T DE 3480948T DE 3480948 D1 DE3480948 D1 DE 3480948D1
- Authority
- DE
- Germany
- Prior art keywords
- shiftings
- optical method
- measuring small
- measuring
- small
- 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
Links
- 230000003287 optical effect Effects 0.000 title 1
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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB838325921A GB8325921D0 (en) | 1983-09-28 | 1983-09-28 | Optical method of measuring displacement |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3480948D1 true DE3480948D1 (de) | 1990-02-08 |
Family
ID=10549392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484306497T Expired - Fee Related DE3480948D1 (de) | 1983-09-28 | 1984-09-24 | Optisches verfahren und vorrichtung zum messen von kleinen verschiebungen. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4652747A (de) |
EP (1) | EP0140574B1 (de) |
JP (1) | JPS6095322A (de) |
DE (1) | DE3480948D1 (de) |
GB (2) | GB8325921D0 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8531149D0 (en) * | 1985-12-18 | 1986-01-29 | Smiths Industries Plc | Optical transducers |
GB8610654D0 (en) * | 1986-05-01 | 1986-08-20 | Bicc Plc | Movement detection |
US4931636A (en) * | 1988-08-26 | 1990-06-05 | The Boeing Company | Two wavelength optical sensor and sensing system |
FR2644239B1 (fr) * | 1989-03-13 | 1994-04-01 | Spectec Sa | Chaine de mesure d'angle ou de position optique et a transmission par fibres optiques intrinsequement lineaire et reference utilisant une ou plusieurs sources lumineuses |
US5068528A (en) * | 1990-08-28 | 1991-11-26 | The Boeing Company | Encoded surface position sensor with multiple wavelengths and reference beam |
US5223708A (en) * | 1991-10-04 | 1993-06-29 | The Boeing Company | Alignment insensitive optical position sensor |
US5345076A (en) * | 1991-11-06 | 1994-09-06 | The Boeing Company | Optically trimmed sensor for reducing influence of differential node losses |
US5235180A (en) * | 1992-03-05 | 1993-08-10 | General Scanning, Inc. | Rotary motor having an angular position transducer and galvanometer scanning system employing such motor |
US6921893B1 (en) | 2000-06-15 | 2005-07-26 | Scanlab Ag | Position detector for a scanning device |
US7196320B1 (en) | 2005-03-14 | 2007-03-27 | Robert Rickenbach | Fiber optic encoder for position sensing |
DE102004018106B4 (de) * | 2004-04-14 | 2008-08-07 | Markus Guggenmos | Hochgenauer optischer Positionsdetektor für Galvanometer-Drehantiebe |
KR20090023706A (ko) * | 2006-06-19 | 2009-03-05 | 지에스아이 그룹 코포레이션 | 반사 조명을 이용한 광학 위치 변환기 시스템 및 방법 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3399347A (en) * | 1964-01-09 | 1968-08-27 | Bausch & Lomb | Photoelectric system for generating a signal proportional to the movement of a meter |
US3455637A (en) * | 1964-08-07 | 1969-07-15 | Giannini Controls Corp | Method and apparatus for measuring the opacity of sheet material |
US3983391A (en) * | 1975-05-21 | 1976-09-28 | Itek Corporation | Optical encoder of the reflective type |
US4091280A (en) * | 1976-09-13 | 1978-05-23 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic position sensing and indicating apparatus for electrical interference sensitive environments |
SE411955B (sv) * | 1978-06-02 | 1980-02-11 | Asea Ab | Fiberoptiskt metdon med hogst tva fibrer |
SE415397B (sv) * | 1978-06-02 | 1980-09-29 | Asea Ab | Fiberoptiskt metdon |
US4302109A (en) * | 1979-06-19 | 1981-11-24 | The Marconi Company Limited | Position encoders |
US4262198A (en) * | 1979-07-30 | 1981-04-14 | California Institute Of Technology | Broadband optical radiation detector |
JPS5686323A (en) * | 1979-12-17 | 1981-07-14 | Sharp Corp | Optical temperature detector |
DE3170955D1 (en) * | 1980-12-17 | 1985-07-18 | Ici Plc | Apparatus for gathering data from a plurality of condition responsive optical sensors |
GB2124757A (en) * | 1982-05-21 | 1984-02-22 | Marconi Avionics | Measuring displacements optically |
-
1983
- 1983-09-28 GB GB838325921A patent/GB8325921D0/en active Pending
-
1984
- 1984-09-24 EP EP84306497A patent/EP0140574B1/de not_active Expired - Lifetime
- 1984-09-24 GB GB08424131A patent/GB2147414B/en not_active Expired
- 1984-09-24 DE DE8484306497T patent/DE3480948D1/de not_active Expired - Fee Related
- 1984-09-25 US US06/654,640 patent/US4652747A/en not_active Expired - Fee Related
- 1984-09-28 JP JP59203925A patent/JPS6095322A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0140574A3 (en) | 1986-06-04 |
GB2147414B (en) | 1986-12-03 |
EP0140574B1 (de) | 1990-01-03 |
GB8325921D0 (en) | 1983-11-02 |
EP0140574A2 (de) | 1985-05-08 |
US4652747A (en) | 1987-03-24 |
GB2147414A (en) | 1985-05-09 |
GB8424131D0 (en) | 1984-10-31 |
JPS6095322A (ja) | 1985-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: GEC-MARCONI LTD., STANMORE, GB |
|
8339 | Ceased/non-payment of the annual fee |