发明名称 |
Intrusion detection system |
摘要 |
An intrusion detection system comprises a pair of optical lenses arranged a predetermined distance apart and having overlapping fields of view within an area to be monitored to form a common field of view; at least one light-sensitive device responsive to light from each of the optical lenses; a range detector responsive to signals from the light-sensitive device and operable to determine a range to an object within the common field of view; and a range discriminator for setting at least one range gate to sense objects within the common field of view at predetermined ranges and for ignoring objects outside of the predetermined ranges.
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申请公布号 |
US2004169131(A1) |
申请公布日期 |
2004.09.02 |
申请号 |
US20030750469 |
申请日期 |
2003.12.31 |
申请人 |
HARDIN LARRY C.;NASH LAWRENCE V. |
发明人 |
HARDIN LARRY C.;NASH LAWRENCE V. |
分类号 |
G01P3/38;G01P3/68;G01S11/12;G08B13/00;G08B13/194;H01J40/14;H04N13/00;(IPC1-7):G06M7/00 |
主分类号 |
G01P3/38 |
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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