CH488172A - Dispositif de mesure de la position relative de deux organes - Google Patents

Dispositif de mesure de la position relative de deux organes

Info

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
Application number
CH384568A
Other languages
English (en)
Inventor
John Dench Michael
Original Assignee
Richards & Co Ltd George
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Richards & Co Ltd George filed Critical Richards & Co Ltd George
Publication of CH488172A publication Critical patent/CH488172A/fr

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods 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
    • G06K7/10821Methods 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
    • G06K7/10831Arrangement of optical elements, e.g. lenses, mirrors, prisms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/347Mechanical 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
    • G01D5/34707Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715Scale reading or illumination devices
CH384568A 1967-03-15 1968-03-15 Dispositif de mesure de la position relative de deux organes CH488172A (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
CH474053A (de) Kraftmesseinrichtung
FR1529822A (fr) Dispositif de mesure de phase
CH466593A (de) Optisch-Elektrische-Winkelmesseinrichtung
CH508199A (fr) Dispositif photo-électrique de mesure de déplacements
CH467992A (de) Längenmessgerät
CH518521A (fr) Transformateur de mesure de position
CH492195A (de) Verfahren zur interferometrischen Messung
FR1522471A (fr) Dispositif de mesure de contrainte
CH484413A (fr) Appareil pneumatique différentiel de mesure
CH488172A (fr) Dispositif de mesure de la position relative de deux organes
CH486018A (de) Gerät zur Messung der Kontrastübertragungsfunktion
CH472678A (de) Navigationsvorrichtung
CH529995A (fr) Dispositif de mesure de parcours
CH514850A (fr) Dispositif de mesure par ultra-sons de déplacements
FR1544836A (fr) Dispositif de mesure d'une forme de lumière
CH432306A (fr) Dispositif de mesure de positions
CH503280A (de) Signalmessvorrichtung
CH474747A (de) Abstandsmessinstrument
FR95874E (fr) Dispositif de mesure numérique de position.
CH473023A (fr) Cuiller de mesure
BE751443A (fr) Dispositif de mesure pneumatique
CH453730A (de) Registriereinrichtung für Messwerte
FR1478483A (fr) Dispositif de mesure de déphasages
FR1409805A (fr) Dispositif de mesure de distance
CH475107A (de) Feststellvorrichtung für an fahrbaren Gegenständen angebrachte Lenkrollen

Legal Events

Date Code Title Description
PL Patent ceased