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.)
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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Filing date
Publication date
Application filed by Compteurs Schlumberger SAfiledCriticalCompteurs Schlumberger SA
Priority to FR956502ApriorityCriticalpatent/FR1386398A/fr
Application grantedgrantedCritical
Publication of FR1386398ApublicationCriticalpatent/FR1386398A/fr
G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
G02B27/642—Optical derotators, i.e. systems for compensating for image rotation, e.g. using rotating prisms, mirrors
G—PHYSICS
G02—OPTICS
G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
Astronomy & Astrophysics
(AREA)
FR956502A1963-12-091963-12-09Procédé et dispositif pour l'observation d'objet
ExpiredFR1386398A
(fr)