CH488172A - Dispositif de mesure de la position relative de deux organes - Google Patents
Dispositif de mesure de la position relative de deux organesInfo
- Publication number
- CH488172A CH488172A CH384568A CH384568A CH488172A CH 488172 A CH488172 A CH 488172A CH 384568 A CH384568 A CH 384568A CH 384568 A CH384568 A CH 384568A CH 488172 A CH488172 A CH 488172A
- Authority
- CH
- Switzerland
- Prior art keywords
- organs
- measuring
- relative position
- relative
- Prior art date
Links
- 210000000056 organ Anatomy 0.000 title 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10831—Arrangement of optical elements, e.g. lenses, mirrors, prisms
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB02093/67A GB1223141A (en) | 1967-03-15 | 1967-03-15 | Reading head |
Publications (1)
Publication Number | Publication Date |
---|---|
CH488172A true CH488172A (fr) | 1970-03-31 |
Family
ID=9998289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH384568A CH488172A (fr) | 1967-03-15 | 1968-03-15 | Dispositif de mesure de la position relative de deux organes |
Country Status (5)
Country | Link |
---|---|
US (1) | US3553468A (fr) |
CH (1) | CH488172A (fr) |
DE (1) | DE1673987B2 (fr) |
FR (1) | FR1556770A (fr) |
GB (1) | GB1223141A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57152074A (en) * | 1981-03-16 | 1982-09-20 | Nippon Denso Co Ltd | Bar code reader |
FR2555337A1 (fr) * | 1983-11-18 | 1985-05-24 | Thomson Brandt | Dispositif guide de lecture optique de codes a barres |
DE3930303A1 (de) * | 1989-09-11 | 1991-03-14 | Litton Precision Prod Int | Elektrooptische abtasteinheit fuer ein laengen- oder winkelmessgeraet |
US20040135076A1 (en) * | 2003-01-15 | 2004-07-15 | Xerox Corporation | Method and apparatus for obtaining a high quality sine wave from an analog quadrature encoder |
US7399956B2 (en) | 2005-11-28 | 2008-07-15 | Avago Technologies Ecbuip Pte Ltd | Optical encoder with sinusoidal photodetector output signal |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2948890A (en) * | 1956-04-26 | 1960-08-09 | Dell Brothers O | Position meter |
US3122686A (en) * | 1959-08-07 | 1964-02-25 | Richards & Co Ltd George | Position signal generating apparatus |
-
1967
- 1967-03-15 GB GB02093/67A patent/GB1223141A/en not_active Expired
-
1968
- 1968-03-15 US US713342A patent/US3553468A/en not_active Expired - Lifetime
- 1968-03-15 FR FR1556770D patent/FR1556770A/fr not_active Expired
- 1968-03-15 CH CH384568A patent/CH488172A/fr not_active IP Right Cessation
- 1968-03-15 DE DE1968R0048244 patent/DE1673987B2/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE1673987A1 (de) | 1971-08-05 |
DE1673987B2 (de) | 1977-05-12 |
GB1223141A (en) | 1971-02-24 |
FR1556770A (fr) | 1969-02-07 |
US3553468A (en) | 1971-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |