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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Kodak Pathe SA
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Kodak Pathe SA
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Publication date
Application filed by Kodak Pathe SAfiledCriticalKodak Pathe SA
Application grantedgrantedCritical
Publication of FR791477ApublicationCriticalpatent/FR791477A/fr
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
G03B13/18—Focusing aids
G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR791477D1934-06-201935-06-20Perfectionnements aux viseurs télémétriques pour appareils photographiques
ExpiredFR791477A
(fr)