Title: Security system and its method
Application Number: 97181449 Application Date: 1997.12.12
Publication Number: 1244937 Publication Date: 2000.02.16
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G08B13/186
Applicant(s) Name: Socoa International Holding S. A. Address:
Inventor(s) Name: Johannes Dijkstra
Attorney & Agent: ma gao
Abstract:
    Security system, comprising: a transmitter for transmitting radiation in a wavelength range in the order of magnitude of about 630-660 nm; a cable permeable to the radiation which is connected to the transmitter and has a thickness in the order of magnitude of 0.5-1 mm; and a receiver for receiving the radiation passed through the cable, which is connected to the cable; and means for adjusting the degree of sensitivity of the cable.
Time: 8