Film cassette and a photographing device using the same
Patent 4500183 Issued on February 19, 1985. Estimated Expiration Date: 
January 6, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 6, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3439598 3592535 3593635 Indication of scenes on a projector programmed on the basis of scenes Apparatus for displaying alphanumeric information coded on a film cartridge Patent #: 4173401 InventorAssigneeApplicationNo. 06/456103 filed on 01/06/1983US Classes:396/208, Electrical component on or in film container242/344, With indicator or detector396/284, Film condition indicator396/515Including film use indicatorExaminersPrimary: Perkey, William B.Attorney, Agent or FirmInternational ClassesG03B 17/30 (20060101)G03B 17/18 (20060101) G03B 17/24 (20060101) A61B 1/04 (20060101) G03B 7/08 (20060101) G03B 7/24 (20060101) Foreign Application Priority Data1980-05-02 JPAbstractA film cassette provided with a RAM semiconductor memory for storing data relative to a film contained in the film cassette. The data stored in the RAM is updated at every photographing shot, and the updated data is displayed on a display device. | |
