发明名称 |
Camera power supply maintaining circuit |
摘要 |
A power supply maintaining circuit in a camera having an electric source, and a power switch provided between the electric source and a shutter control circuit or a display circuit. The power supply maintaining circuit comprises a timer circuit connected in parallel to the shutter control or display circuit and a transistor is connected in parallel to the power switch. The transistor is controlled by the timer circuit.
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申请公布号 |
US4250413(A) |
申请公布日期 |
1981.02.10 |
申请号 |
US19780947314 |
申请日期 |
1978.09.29 |
申请人 |
ASAHI KOGAKU KOGYO K K |
发明人 |
KAWASAKI, MASAHIRO;SAWADA, YOSHIO |
分类号 |
G03B17/00;G03B9/58;G03B17/18;H03K17/28;(IPC1-7):H03K5/13;H03K5/15 |
主分类号 |
G03B17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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