GB1207173A - 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
GB1207173A
GB1207173A GB4310367A GB4310367A GB1207173A GB 1207173 A GB1207173 A GB 1207173A GB 4310367 A GB4310367 A GB 4310367A GB 4310367 A GB4310367 A GB 4310367A GB 1207173 A GB1207173 A GB 1207173A
Authority
GB
United Kingdom
Prior art keywords
source
objective
photo
change
primary image
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
GB4310367A
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 GB1207173A publication Critical patent/GB1207173A/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)
GB4310367A 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 GB1207173A (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
GB1207173A true GB1207173A (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 Before (1)

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

Country Status (8)

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

Also Published As

Publication number Publication date
NL6712737A (fr) 1968-03-22
SE329921B (fr) 1970-10-26
LU54491A1 (fr) 1967-12-22
CH486004A (fr) 1970-02-15
FR92726E (fr) 1968-12-20
GB1207174A (en) 1970-09-30
BE704089A (fr) 1968-03-20
DE1572620A1 (de) 1970-02-19

Similar Documents

Publication Publication Date Title
US3807870A (en) Apparatus for measuring the distance between surfaces of transparent material
US3871771A (en) Optical apparatus for determining deviations from a predetermined form of a surface
US4079252A (en) Photoelectric grating displacement measuring apparatus
US3655989A (en) Radiation sensitive strip width measuring unit and split edge detector
GB1239715A (fr)
US3658426A (en) Alignment telescope
US3604811A (en) Shaft position encoders
CN105444702A (zh) 物体平整度光学检测系统
US3263087A (en) Electro-optical distance gage
US3554653A (en) Autocollimator
US3884581A (en) Diffractographic and other sensors utilizing diffraction waves
CN108759689B (zh) 基于双光路红外反射法的涂层测厚仪
GB1207173A (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
US3883249A (en) Z-factor and other diffractographic displacement and profile sensors
JPH0599659A (ja) 光ビーム入射角の測定方法、測定装置及び距離測定装置の使用
US3820902A (en) Measuring method and apparatus which compensate for abbe s error
GB2199404A (en) Refractive index measuring device
GB1065226A (en) Length measuring instrument
SU853382A1 (ru) Оптико-электронное устройство дл из-МЕРЕНи углОВОгО СМЕщЕНи Об'ЕКТА
GB1261924A (en) Apparatus for sensing a misalignment between an object movement and a beam of radiation
JPH0710278Y2 (ja) 屈折率測定装置
SU1548669A1 (ru) Оптический профилометр
SU406180A1 (ru) Двухкоординатный автоколлиматор
SU987381A1 (ru) Рефлектометр дл измерени параметров шероховатости сверхгладких поверхностей
SU104421A1 (ru) Оптический микрометр

Legal Events

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