G - Physics – 03 – B
Patent
G - Physics
03
B
95/61, 352/10.1
G03B 17/24 (2006.01) G03B 27/46 (2006.01) G03B 31/06 (2006.01) G03C 11/02 (2006.01) G03D 15/00 (2006.01) G03D 17/00 (2006.01) G11B 23/44 (2006.01) G11B 27/32 (2006.01)
Patent
CA 1314325
-0- FILM INFORMATION EXCHANGE SYSTEM USING DEDICATED MAGNETIC TRACKS ON FILM WITH VIRTUAL DATA IDENTIFIERS ABSTRACT A virtually transparent magnetic layer is included as an additional layer in a color negative film. Information exchange between various users of the film--such as (for example) the film manufacturer, the camera user, the dealer and photofinisher--is carried via plural longitudinal magnetic tracks on the film, each track being dedicated to the writing and reading of a predetermined set of related parameters. The photofinisher-dedicated track locations fill the exposed image area of each frame. The camera-dedicated tracks lie along the edges of the film between the film perforations, the perforations being widely spaced for this purpose. All data is recorded as individual pieces of information individually identified by virtual data identifiers so as to minimize the recording overhead of non-information-bearing data.
612918
Eastman Kodak Company
Gowling Lafleur Henderson Llp
LandOfFree
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