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Camera having a load prevention member capable of controlling film cartridge loading based on whether the film is new or used
Camera having a load prevention member capable of controlling film cartridge loading based on whether the film is new or used
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机译:具有防负载部件的照相机,该防负载部件能够基于胶片是新的还是旧的来控制胶卷盒的加载
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摘要
The present invention is directed to a camera having a cartridge chamber, which is formed as a hole in the body of the camera, into which a film cartridge is inserted along its axial direction through an access opening of the hole. The cartridge has an identifying mechanism for indicating whether the film in the cartridge has been used. The camera includes a load prevention member provided in the cartridge chamber that engages the identifying mechanism of the cartridge and prevents insertion of the cartridge into the chamber when the identifying mechanism indicates that the film has been used. The camera also includes a signal output circuit for outputting a load signal when the cartridge is loaded into the cartridge chamber and a non-load signal when the cartridge is unloaded from the cartridge chamber. The signal output circuit outputs the load signal before the cartridge engages the load prevention member.
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