BE660478A - - Google Patents
Info
- Publication number
- BE660478A BE660478A BE660478DA BE660478A BE 660478 A BE660478 A BE 660478A BE 660478D A BE660478D A BE 660478DA BE 660478 A BE660478 A BE 660478A
- Authority
- BE
- Belgium
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
- G01D5/36—Forming the light into pulses
- G01D5/363—Direction discrimination
-
- 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
- G01D5/36—Forming the light into pulses
- G01D5/38—Forming the light into pulses by diffraction gratings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH338164A CH426285A (de) | 1964-03-16 | 1964-03-16 | Digitale Winkelmesseinrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
BE660478A true BE660478A (zh) | 1965-07-01 |
Family
ID=4254717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE660478D BE660478A (zh) | 1964-03-16 | 1965-03-02 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3388262A (zh) |
BE (1) | BE660478A (zh) |
CH (1) | CH426285A (zh) |
GB (1) | GB1097494A (zh) |
NL (1) | NL6501853A (zh) |
SE (1) | SE323814B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3529170A (en) * | 1965-08-06 | 1970-09-15 | Nat Res Dev | Apparatus for signalling the instantaneous position of an object movable along a predetermined path |
US3487400A (en) * | 1966-06-30 | 1969-12-30 | Gen Electric | System for extended resolution of a binary coded pattern device |
CH499091A (de) * | 1968-03-15 | 1970-11-15 | Contraves Ag | Digitale Winkelmesseinrichtung |
US3622788A (en) * | 1969-08-11 | 1971-11-23 | Hughes Aircraft Co | Target search and track system with dual mode scan capability |
US3742486A (en) * | 1971-02-03 | 1973-06-26 | C Skidmore | Analog to digital converter |
US3723748A (en) * | 1971-06-23 | 1973-03-27 | Ibm | Digital tachometer with symmetrical output |
US3748043A (en) * | 1972-03-20 | 1973-07-24 | Bendix Corp | Photoelectric interpolating arrangement for reading displacements of divided scales |
US4021116A (en) * | 1975-09-02 | 1977-05-03 | Bausch & Lomb Incorporated | High resolution distance measuring apparatus |
US4346447A (en) * | 1979-12-28 | 1982-08-24 | Nippon Kogaku K.K. | Divisional reading device for sine signals |
SE457568B (sv) * | 1987-06-03 | 1989-01-09 | Facit Ab | Optisk givare foer avkaenning av ett skrivhuvuds laege eller roerelse relativt en referens |
US4819051A (en) * | 1987-06-29 | 1989-04-04 | Honeywell Inc. | Compensated rotary position encoder |
US6102516A (en) * | 1997-03-17 | 2000-08-15 | Lexmark International, Inc. | Fiducial system and method for conducting an inspection to determine if a second element is properly aligned relative to a first element |
DE19907326B4 (de) | 1999-02-20 | 2013-04-04 | Dr. Johannes Heidenhain Gmbh | Winkelmeßsystem |
EP1640693A1 (en) * | 2004-09-28 | 2006-03-29 | FAGOR, S.Coop | Optical position sensor with three photodetectors |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2788519A (en) * | 1954-12-10 | 1957-04-09 | Telecomputing Corp | Position indicating device |
US3153111A (en) * | 1958-06-26 | 1964-10-13 | Nat Res Dev | Measurement of displacements |
US3175093A (en) * | 1960-06-25 | 1965-03-23 | Philips Corp | Photosensitive device for digital measurement of the displacement of an object |
GB991907A (en) * | 1961-02-08 | 1965-05-12 | Cooke Conrad Reginald | Apparatus for detecting and indicating the extent of relative movement |
GB950652A (en) * | 1961-03-29 | 1964-02-26 | Ferranti Ltd | Improvements relating to measuring apparatus |
US3166624A (en) * | 1961-05-05 | 1965-01-19 | Bausch & Lomb | Moire fringe device having line grids of gradually changing pitch |
-
1964
- 1964-03-16 CH CH338164A patent/CH426285A/de unknown
- 1964-12-09 US US417012A patent/US3388262A/en not_active Expired - Lifetime
-
1965
- 1965-02-15 NL NL6501853A patent/NL6501853A/xx unknown
- 1965-03-02 BE BE660478D patent/BE660478A/xx not_active IP Right Cessation
- 1965-03-05 SE SE2859/65A patent/SE323814B/xx unknown
- 1965-03-10 GB GB10166/65A patent/GB1097494A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH426285A (de) | 1966-12-15 |
SE323814B (zh) | 1970-05-11 |
US3388262A (en) | 1968-06-11 |
NL6501853A (zh) | 1965-09-17 |
GB1097494A (en) | 1968-01-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: CONTRAVES A.G. Effective date: 19840302 |