| 摘要 |
Sensor apparatus is intended to be used with a film cassette which includes optically readable film information indicia and a viewing aperture for viewing the film information indicia. The sensor apparatus comprises an optoelectronic sensor for reading the film information indicia, and a mount for the optoelectronic sensor complementarily shaped with respect to the viewing aperture to fit only part way into the viewing aperture to critically position the optoelectronic sensor relative to the film information indicia.
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