Title:
光ファイバ監視システム
Document Type and Number:
Japanese Patent JP4526537
Kind Code:
B2
Abstract:
A fiber-optic surveillance system (10) includes a fiber-optic sensor (15) comprising a serial array (15) of fiber-optic point-sensors (16), successive point-sensors being linked by a distributed fiber-optic sensor (18). The system allows the location of intruder events along the sensor to be determined, and provides a reduction in the incidence of false-alarms compared to prior art systems.
Inventors:
Hill, David Jiyoung
Natsyuyu, Philip Jiyoung
Natsyuyu, Philip Jiyoung
Application Number:
JP2006527475A
Publication Date:
August 18, 2010
Filing Date:
September 24, 2004
Export Citation:
Assignee:
Kinetic Limited
International Classes:
G01D5/353; G01L1/24; G08B13/12; G08B13/186
Domestic Patent References:
| JP2003254724A |
Foreign References:
| WO1997048994A1 | ||||
| US4812645 |
Attorney, Agent or Firm:
Yoshio Kawaguchi
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura