Instant-Printing Film and Camera

The present invention provides a novel instant-printing film with sound recording media thereon and cameras therefor with which the photographer can take pictures and at the same time can record sound, for example, during waiting for the instant developing of the film. Thereby, besides the photographic scenery, the sound or voice around the time of or after the photographing can be recorded without carrying a tape recorder, but simply with a camera of the present invention.

(via original patent application)

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