发明名称 Battery powered camera
摘要 A battery powered camera with a collapsible handgrip movable between a closed and an extended position is equipped with a battery checker that signals when the battery drops in capacity to a predetermined level. The battery checker is operable only during the period in which the handgrip is moved between the closed and extended position or vice versa. The battery powered camera further comprises means for signalling a switching state in which the main power switch remains closed. The signalling means is also operable only when the handgrip is being moved between closed and extended positions.
申请公布号 US4375914(A) 申请公布日期 1983.03.08
申请号 US19810298000 申请日期 1981.08.31
申请人 OSAWA PRECISION INDUSTRIES, LTD. 发明人 MILLER, GARY E.;HASEGAWA, IWAO
分类号 G03B17/18;G03B17/56;(IPC1-7):G03B17/18;G03B17/00 主分类号 G03B17/18
代理机构 代理人
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