Photographic camera

• US 3,088,388 A
• Filed: 07/18/1960
• Issued: 05/07/1963
• Est. Priority Date: 07/18/1959
• Status: Expired due to Term

• Current Assignee: Karl Tredopp
• Original Assignee: Karl Tredopp
• Inventors: KARL TREDOPP
• Application Number:
  US04/043,474
• Time in Patent Office: 1,023 Days
• US Class Current: 396/263
• CPC Class Codes: G03B 17/24 with means for separately producing marks on the film, e.g. title, time of exposure
• CPC Class Codes: G03B 17/42 Interlocking between shutter operation and advance of film or change of plate or cut-film

Claims

7. IN A CAMERA HAVING A SHUTTER AND A FILM FEED, AN ELECTIC SHUTTER AND FILM FEED DRIVE SYSTEM COMPRISING:

A SHUTTER DRIVE ELECTRIC MOTOR HAVING A ROTARY ARMATURE AND A DRIVE SHAFT AFFIXED THERETO AND OPERATIVELY CONNECTED WITH SAID SHUTTER, A FILM FEED ELECTRIC MOTOR HAVING A ROTARY ARMATURE AND A DRIVE SHAFT OPERATIVELY CONNECTED WITH SAID DRIVE SHAFT OF SAID SHUTTER DRIVE ELECTRIC MOTOR, AND ELECTROMECHANICAL MEANS FOR CONTROLLING THE ACTION OF SAID FILM FEED MOTOR, SAID MEANS INCLUDING AN ELECTRICAL CONTACT SWITCH MECHANISM CONNECTED WITH SAID DRIVE SHAFT OF SAID SHUTTER DRIVE ELECTRIC MOTOR AND RESPONSIVE TO THE ANGULAR POSITION THEREOF TO EFFECT NECESSARY ELECTRICAL CONNECTIONS TO OPERATE SAID FILM FEED ELECTRIC MOTOR.