GB2276719B - An optical pick-off for gyros - Google Patents
An optical pick-off for gyrosInfo
- Publication number
- GB2276719B GB2276719B GB9406147A GB9406147A GB2276719B GB 2276719 B GB2276719 B GB 2276719B GB 9406147 A GB9406147 A GB 9406147A GB 9406147 A GB9406147 A GB 9406147A GB 2276719 B GB2276719 B GB 2276719B
- Authority
- GB
- United Kingdom
- Prior art keywords
- gyros
- optical pick
- pick
- optical
- 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
- 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
- G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/02—Rotary gyroscopes
- G01C19/04—Details
- G01C19/28—Pick-offs, i.e. devices for taking-off an indication of the displacement of the rotor axis
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
- H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
- H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
- H03M1/301—Constructional details of parts relevant to the encoding mechanism, e.g. pattern carriers, pattern sensors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Theoretical Computer Science (AREA)
- Optical Transform (AREA)
- Navigation (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4310405A DE4310405C1 (en) | 1993-03-31 | 1993-03-31 | Optical tap |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9406147D0 GB9406147D0 (en) | 1994-05-18 |
GB2276719A GB2276719A (en) | 1994-10-05 |
GB2276719B true GB2276719B (en) | 1996-09-25 |
Family
ID=6484280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9406147A Expired - Fee Related GB2276719B (en) | 1993-03-31 | 1994-03-29 | An optical pick-off for gyros |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE4310405C1 (en) |
FR (1) | FR2703452B1 (en) |
GB (1) | GB2276719B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19607421A1 (en) * | 1996-02-28 | 1997-09-04 | Kammerer Gmbh M | Unit for detecting actual position of adjusting elements in regulation stretches |
DE19750474C2 (en) * | 1997-11-14 | 2000-08-10 | Stegmann Max Antriebstech | Encoder |
DE29908796U1 (en) | 1999-05-19 | 1999-08-05 | Max Stegmann GmbH Antriebstechnik-Elektronik, 78166 Donaueschingen | Encoder |
CN112304252B (en) * | 2020-10-30 | 2022-03-22 | 维沃移动通信有限公司 | Folding angle determining method, folding equipment and electronic equipment |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2506007A1 (en) * | 1981-05-18 | 1982-11-19 | Telecommunications Sa | DEVICE FOR MEASURING COORDINATES OF A ROTATING SPHERE AND METHOD FOR MANUFACTURING A PART OF SAID DEVICE |
DE3308358A1 (en) * | 1983-03-09 | 1984-09-13 | Fa. C. Plath, 2000 Hamburg | Method and device for determining the course of vehicles by means of a gyro compass |
GB8513982D0 (en) * | 1985-06-04 | 1985-07-10 | British Aerospace | Gyroscopes |
-
1993
- 1993-03-31 DE DE4310405A patent/DE4310405C1/en not_active Expired - Fee Related
-
1994
- 1994-03-28 FR FR9403595A patent/FR2703452B1/en not_active Expired - Fee Related
- 1994-03-29 GB GB9406147A patent/GB2276719B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2703452B1 (en) | 1995-08-18 |
GB9406147D0 (en) | 1994-05-18 |
GB2276719A (en) | 1994-10-05 |
FR2703452A1 (en) | 1994-10-07 |
DE4310405C1 (en) | 1994-09-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20000329 |