发明名称 |
Battery compartment adapter cap for control of electric power and device equipped therewith |
摘要 |
A signalling device comprising an emission module operative on the application of battery power from a battery pack for the emission of a signal from at least one electromagnetic radiation emitting element, a battery compartment and a cap for retaining said battery pack in said battery compartment. The cap comprises at least one sensor and a switch for controlling the application of battery power. The switch is actuated when the at least one sensor detects a change in the environment in the vicinity of the device. Alternatively, the switch can be actuated remotely through a wireless interface or via a trip wire.
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申请公布号 |
US7459666(B2) |
申请公布日期 |
2008.12.02 |
申请号 |
US20050056088 |
申请日期 |
2005.02.14 |
申请人 |
THE FLEWELLING FORD FAMILY TRUST |
发明人 |
FORD TIMOTHY D. F.;GASCON STEPHANE |
分类号 |
H03K17/78;G01J1/32;H01J5/02 |
主分类号 |
H03K17/78 |
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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