Intrusion sensing apparatus for security fence
US9830786B2 · kind B2 · utility
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5Claims
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Assignee
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Key dates
| Filing date | Oct 22, 2014 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | Oct 22, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B13/122
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention provides an intrusion sensing apparatus for a security fence, the apparatus detecting the distribution characteristic of a frequency component of an output signal in a charge amplifier connected to a shielding multi-core cable united with a security fence, and thereby determining whether the output signal is a signal caused by the overall vibration of and a partial impact on the security fence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.