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.)
Rollei Werke Franke und Heidecke GmbH and Co KG
Original Assignee
Rollei Werke Franke und Heidecke GmbH and Co KG
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 Rollei Werke Franke und Heidecke GmbH and Co KGfiledCriticalRollei Werke Franke und Heidecke GmbH and Co KG
Priority to FR844309ApriorityCriticalpatent/FR1281966A/en
Application grantedgrantedCritical
Publication of FR1281966ApublicationCriticalpatent/FR1281966A/en
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
G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR844309A1960-11-181960-11-18
Focusing device for dual lens reflex camera
ExpiredFR1281966A
(en)