JPH023529U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the overall structure of a camera film rewinding device according to the present invention, and FIG. 2 is a flowchart showing the operating sequence of the embodiment shown in FIG. 1... Winding end detection unit, 2... Rewinding switch, 3
...Motor, 4...Rewinding mechanism section, 5... Termination detection section, 6
... Winding completion detection unit, 7... End mode changeover switch, 8... Rewinding control unit (CPU).

Claims (1)

[Scope of utility model registration request] In a film rewinding device that rewinds the film wound during shooting, etc. into a cartridge using a motor built into the camera, a film shooting end detection system detects that all frames of the film have been shot. an externally operable manual rewinding means for activating the rewinding operation regardless of the number of frames taken of the film; An end detection means outputs an end detection signal when the film is in an end state with a small amount left outside the cartridge, and outputs a winding completion signal when the film is in an endless state where all of the film is wound into the film cartridge. winding completion detection means for detecting winding completion, and a first signal or a second signal for instructing in advance the winding state of the end portion of the film when the film is rewound.
The rewind operation is started in the manual mode and the automatic mode, respectively, upon receiving outputs from the externally operable terminal state selection means which outputs a signal, the manual rewind starting means, and the film shooting termination means. and the distinction between the manual rewinding mode and the automatic rewinding mode is stored, and in the case of rewinding operation in the manual rewinding mode, regardless of whether the output from the terminal state selection means is the first signal or the second signal. When the termination detection signal is received, the rewinding operation is stopped, and in the case of the rewinding operation in the automatic mode, if the output from the termination state selection means is the first signal, the termination detection signal is At the time of receiving
If it is a second signal, the rewinding control means controls to stop the rewinding operation at the time of receiving the winding completion signal, and the output from the terminal state selection means is controlled to stop the rewinding operation when the winding completion signal is received. 2, the film is rewound to an endless state and an end state depending on the automatic mode and manual mode of the rewinding operation, respectively, and the output of the end state selection means is the first signal. In some cases, the film rewinding device for a camera is configured to rewind the film in the end state regardless of whether the rewinding operation is in an automatic mode or a manual mode.