SE8200144L - Optisk forskjutnings- resp forflyttningsomvandlare - Google Patents
Optisk forskjutnings- resp forflyttningsomvandlareInfo
- 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
Links
- 230000003287 optical effect Effects 0.000 title abstract 4
- 238000006073 displacement reaction Methods 0.000 abstract 4
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)
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)
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)
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 |
-
1981
- 1981-01-13 GB GB8100961A patent/GB2090968B/en not_active Expired
- 1981-12-30 US US06/335,977 patent/US4388613A/en not_active Expired - Fee Related
-
1982
- 1982-01-07 DE DE19823200204 patent/DE3200204A1/de not_active Withdrawn
- 1982-01-08 IT IT19041/82A patent/IT1149427B/it active
- 1982-01-13 SE SE8200144A patent/SE8200144L/sv not_active Application Discontinuation
- 1982-01-13 FR FR8200552A patent/FR2497945A1/fr active Pending
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8200144-7 |