1979-08-23
1980-12-09
Gellner, Michael L.
354 60E, 354289, G03B 1720
Patent
active
042381460
ABSTRACT:
An alarm device in a camera comprises a shutter speed manual/auto change-over dial having a first Auto position and a second Auto position, and alarm sound generating circuit operatively associated with the change-over dial so as to become operative in the first Auto position and to become non-operative in the second Auto position, and means for visually displaying the sound alarm non-operation condition which is operatively associated with the change-over dial so as to become non-operative in the first Auto position and to become operative in the second Auto position.
REFERENCES:
patent: 3592113 (1971-07-01), Wasielewski
patent: 4037235 (1977-07-01), Ueda
Akasaka Shigeo
Kitamura Yasunori
Motoori Ryuzo
Ohtsubo Yoshiaki
Takemae Mikio
Gellner Michael L.
Nippon Kogaku K.K.
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