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.)
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Rank Precision Industries Ltd
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Rank Precision Industries Ltd
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Publication date
Priority claimed from GB1412/60Aexternal-prioritypatent/GB953867A/en
Application filed by Rank Precision Industries LtdfiledCriticalRank Precision Industries Ltd
Application grantedgrantedCritical
Publication of FR1267356ApublicationCriticalpatent/FR1267356A/fr
G02B15/00—Optical objectives with means for varying the magnification
G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
H04N23/50—Constructional details
H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Landscapes
Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Multimedia
(AREA)
Signal Processing
(AREA)
General Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
FR832958A1960-01-141960-07-13Perfectionnements aux caméras, notamment pour télévision
ExpiredFR1267356A
(fr)