GB1207174A - Improvements in or relating to a method of, and apparatus suitable for use in measuring any change in length of an optical path between a source of optical radiation and a primary image of the source - Google Patents

Improvements in or relating to a method of, and apparatus suitable for use in measuring any change in length of an optical path between a source of optical radiation and a primary image of the source

Info

Publication number
GB1207174A
GB1207174A GB1363270A GB1363270A GB1207174A GB 1207174 A GB1207174 A GB 1207174A GB 1363270 A GB1363270 A GB 1363270A GB 1363270 A GB1363270 A GB 1363270A GB 1207174 A GB1207174 A GB 1207174A
Authority
GB
United Kingdom
Prior art keywords
source
change
optical path
length
disc
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
Application number
GB1363270A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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
Priority claimed from FR77149A external-priority patent/FR1545565A/fr
Application filed by Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Publication of GB1207174A publication Critical patent/GB1207174A/en
Expired legal-status Critical Current

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
    • G01D5/28—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 deflection of beams of light, e.g. for direct optical indication
    • G01D5/30—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 deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB1363270A 1966-09-21 1967-09-21 Improvements in or relating to a method of, and apparatus suitable for use in measuring any change in length of an optical path between a source of optical radiation and a primary image of the source Expired GB1207174A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR77149A FR1545565A (fr) 1966-09-21 1966-09-21 Capteur optique de position et ses applications
FR102612A FR92726E (fr) 1966-09-21 1967-04-13 Capteur optique de position et ses applications.

Publications (1)

Publication Number Publication Date
GB1207174A true GB1207174A (en) 1970-09-30

Family

ID=26173214

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1363270A Expired GB1207174A (en) 1966-09-21 1967-09-21 Improvements in or relating to a method of, and apparatus suitable for use in measuring any change in length of an optical path between a source of optical radiation and a primary image of the source
GB4310367A Expired GB1207173A (en) 1966-09-21 1967-09-21 Improvements in or relating to a method of and apparatus suitable for use in measuring any change in length of an optical path between a source of optical radiation and a primary image of the source

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB4310367A Expired GB1207173A (en) 1966-09-21 1967-09-21 Improvements in or relating to a method of and apparatus suitable for use in measuring any change in length of an optical path between a source of optical radiation and a primary image of the source

Country Status (8)

Country Link
BE (1) BE704089A (enrdf_load_stackoverflow)
CH (1) CH486004A (enrdf_load_stackoverflow)
DE (1) DE1572620A1 (enrdf_load_stackoverflow)
FR (1) FR92726E (enrdf_load_stackoverflow)
GB (2) GB1207174A (enrdf_load_stackoverflow)
LU (1) LU54491A1 (enrdf_load_stackoverflow)
NL (1) NL6712737A (enrdf_load_stackoverflow)
SE (1) SE329921B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR92726E (fr) 1968-12-20
DE1572620A1 (de) 1970-02-19
NL6712737A (enrdf_load_stackoverflow) 1968-03-22
SE329921B (enrdf_load_stackoverflow) 1970-10-26
CH486004A (fr) 1970-02-15
BE704089A (enrdf_load_stackoverflow) 1968-03-20
LU54491A1 (enrdf_load_stackoverflow) 1967-12-22
GB1207173A (en) 1970-09-30

Similar Documents

Publication Publication Date Title
GB1362319A (en) Apparatus and method for measuring the width of a strip
GB1305310A (enrdf_load_stackoverflow)
JPS55154439A (en) Method and apparatus for measuring moisture content of paper
GB1332419A (en) Electro-optical feeler of probe devices
GB1421571A (en) Apparatus for measuring the speed and direction of movement of an object
GB1223453A (en) Apparatus for sensing the turbidity of a fluid
GB1485428A (en) Fluid analysers
US3027457A (en) Non-contacting tubing gage
GB1377783A (en) Radiation detecting apparatus
GB1385038A (en) Speed measuring arrangement including apparatus for measuring the speed of relative movement between two parts
ES416112A1 (es) Aparato para detectar tensiones en un objeto transparente.
ES387036A1 (es) Procedimiento no destructivo para la medida del estado de superficies, y aparato para la aplicacion practica del pro- cedimiento.
GB1521268A (en) Distance detecting apparatus
GB1399706A (en) Optical scanning device
GB1213145A (en) Apparatus for the detection of flaws in a transparent material
GB1271172A (en) An arrangement for measuring the refractive index of liquids
GB1207174A (en) Improvements in or relating to a method of, and apparatus suitable for use in measuring any change in length of an optical path between a source of optical radiation and a primary image of the source
GB1246426A (en) A method of measuring a dimension of an object
GB1282516A (en) Improvements in or relating to methods and apparatus for measuring surface roughness
GB1375021A (enrdf_load_stackoverflow)
JPS5610201A (en) Object dimension measuring device
ES372098A1 (es) Un procedimiento para detectar defectos en material en la- mina de vidrio.
JPS6461622A (en) Temperature measuring instrument
GB1263324A (en) Circular dichroism measurement system
GB1436314A (en) Apparatus for measuring the speed of light

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees