초록 ▼

A photographic apparatus for facilitating the calibrating and/or testing of a taking lens of a photographic camera comprises a photographic camera having a film chamber adapted to receive a conventional film cartridge having a code pattern on its surface. The camera includes a microprocessor provide

A photographic apparatus for facilitating the calibrating and/or testing of a taking lens of a photographic camera comprises a photographic camera having a film chamber adapted to receive a conventional film cartridge having a code pattern on its surface. The camera includes a microprocessor provided with a first mode of operation for completing a picture taking cycle and a second mode of operation for facilitating the calibration and/or testing of the taking lens. The film chamber is provided with a plurality of electrical contacts for sensing the code pattern on the film cartridge. The photographic apparatus further includes a cartridge facsimile similar in shape and size to the conventional film cartridge. The cartridge facsimile has a diode attached thereto such that when the cartridge facsimile is inserted into the film chamber the diode will make contact between two of the electrical contacts. The microprocessor is programmed such that when it senses the presence of the diode, the microprocessor will be rendered operative in its second mode of operation, whereby a shutter opening blade is unlatched in response to a signal from the microprocessor to uncover the lens allowing an operator to calibrate the lens.

대표청구항 ▼

Photographic apparatus comprising: a camera adapted to receive a film cartridge having a surface provided with a code pattern; control means for controlling the operation of the camera, said control means having a first mode of operation for recording an image on light sensitive film and a second mo

Photographic apparatus comprising: a camera adapted to receive a film cartridge having a surface provided with a code pattern; control means for controlling the operation of the camera, said control means having a first mode of operation for recording an image on light sensitive film and a second mode of operation for facilitating calibration and/or testing of the camera; circuit means having predetermined electrical characteristics adapted to be inserted into the camera in place of said cartridge; sensing means for sening said code pattern and for sensing said electrical characteristics; and means responsive to sensing of said code pattern by said sensing means for rendering said control means operative in said first mode, and to sensing of said electrical characteristics by said sensing means for rendering said control means operative in said second mode.