发明名称 |
Camera using a film having a magnetic recording portion |
摘要 |
In a camera, whether a film has been partially exposed or not is checked, and if the check fails, a use status on a film cartridge is rotated to an optimum position such as a position indicating an exposed status. Thus, double exposure of the film is prevented.
|
申请公布号 |
US5598236(A) |
申请公布日期 |
1997.01.28 |
申请号 |
US19950580274 |
申请日期 |
1995.12.27 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
UEDA, TOSHIHARU;EGAWA, AKIRA |
分类号 |
G03B17/24;(IPC1-7):G03B7/00;G03B17/26 |
主分类号 |
G03B17/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|