Photography – Flash system responsive to focal length or distance
Patent
1997-12-18
2000-06-06
Lee, Eddie C.
Photography
Flash system responsive to focal length or distance
396 62, 396175, 396349, 396379, G03B 1502, G03B 1506, G03B 1310
Patent
active
060729546
ABSTRACT:
A camera interlocking mechanism adjusts a visual field angle of a finder and/or an irradiation angle of a strobe in synchronization with a lens barrel being further extended from a photographable position upon telephoto photographing. A driving gear and a driven gear are provided with a thin tooth to temporarily keep a driving force of the driving gear from being transmitted to the driven gear, thus allowing the driving gear to idle. Consequently, a finder lens and a strobe flash bulb do not move more than necessary, whereby the space for installing the finder and strobe can be minimized, thus allowing the camera to have a smaller size.
REFERENCES:
patent: 4944030 (1990-07-01), Haraguchi et al.
patent: 5083146 (1992-01-01), Ueda
patent: 5570149 (1996-10-01), Wakabayashi et al.
patent: 5727235 (1998-03-01), Ishikawa et al.
patent: 5790908 (1998-08-01), Matsuda
Fuji Photo Optical Co., Ltd.
Lee Eddie C.
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