FR2448731A1 - Autocollimateur photoelectrique - Google Patents

Autocollimateur photoelectrique

Info

Publication number
FR2448731A1
FR2448731A1 FR7903094A FR7903094A FR2448731A1 FR 2448731 A1 FR2448731 A1 FR 2448731A1 FR 7903094 A FR7903094 A FR 7903094A FR 7903094 A FR7903094 A FR 7903094A FR 2448731 A1 FR2448731 A1 FR 2448731A1
Authority
FR
France
Prior art keywords
autocollimator
photodiodes
return image
mirror
measure displacement
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.)
Granted
Application number
FR7903094A
Other languages
English (en)
Other versions
FR2448731B3 (fr
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.)
Barbier Benard & Turenne
Original Assignee
Barbier Benard & Turenne
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 Barbier Benard & Turenne filed Critical Barbier Benard & Turenne
Priority to FR7903094A priority Critical patent/FR2448731A1/fr
Publication of FR2448731A1 publication Critical patent/FR2448731A1/fr
Priority to FR8100012A priority patent/FR2497581A2/fr
Application granted granted Critical
Publication of FR2448731B3 publication Critical patent/FR2448731B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes

Abstract

DOMAINE DE L'INVENTION: INDUSTRIES DES APPAREILS D'OPTIQUE. AUTOCOLLIMATEUR DIGITAL DE VISEE D'AU MOINS UN MIROIR CIBLE COMPORTANT: UN MICROMETRE A FENTE MINCE ECLAIREE PAR UNE SOURCE LUMINEUSE DISPOSEE EN AVANT D'UN OBJECTIF PLACE EN REGARD DU MIROIR CIBLE OU DE CHACUNE DES MIROIRS CIBLES ASSOCIES A L'OBJET DONT ON VEUT MESURER LE DEPLACEMENT ET AU MOINS UN ORGANE DETECTEUR DE LA POSITION DE L'IMAGE OU DES IMAGES DISPOSE DANS LE PLAN FOCAL DE L'OBJECTIF ET CONSTITUE PAR UN RESEAU DE PHOTODIODES. APPLICATIONS: MESURE DE PRECISION DE DEPLACEMENT D'OBJETS ET NOTAMMENT DE LEURS VIBRATIONS DANS DES CHAMPS IMPORTANTS ET A L'INTERIEUR D'UNE BANDE PASSANTE TRES ETALEE.
FR7903094A 1979-02-07 1979-02-07 Autocollimateur photoelectrique Granted FR2448731A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7903094A FR2448731A1 (fr) 1979-02-07 1979-02-07 Autocollimateur photoelectrique
FR8100012A FR2497581A2 (fr) 1979-02-07 1981-01-02 Autocollimateur photo-electrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7903094A FR2448731A1 (fr) 1979-02-07 1979-02-07 Autocollimateur photoelectrique

Publications (2)

Publication Number Publication Date
FR2448731A1 true FR2448731A1 (fr) 1980-09-05
FR2448731B3 FR2448731B3 (fr) 1981-11-20

Family

ID=9221687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7903094A Granted FR2448731A1 (fr) 1979-02-07 1979-02-07 Autocollimateur photoelectrique

Country Status (1)

Country Link
FR (1) FR2448731A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2576471C2 (ru) * 2014-04-01 2016-03-10 Владимир Аминович Подгорнов Способ обнаружения объектов с повышенным быстродействием на высококонтрастном динамически изменяемом фоне

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2576471C2 (ru) * 2014-04-01 2016-03-10 Владимир Аминович Подгорнов Способ обнаружения объектов с повышенным быстродействием на высококонтрастном динамически изменяемом фоне

Also Published As

Publication number Publication date
FR2448731B3 (fr) 1981-11-20

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