Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2007-08-14
2007-08-14
Lee, Benjamin C. (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S541000, C340S545600
Reexamination Certificate
active
11005901
ABSTRACT:
The present invention relates to an anti-theft device which is a transmission line mounted on an object to be protected against theft, such as a door or a window, wherein a safety system is connected to the elongated metal to supply power to the anti-theft circuit of the elongated metal and to detect and judge the signal of the anti-theft circuit of the elongated metal. When the window or the door is broken, the anti-theft device will be easily torn at the respective apertures. At this moment, the safety system cannot receive the signal from the anti-theft device, so it will identify the intrusion of theft and notify the security or guard. Thereby providing an anti-theft function.
REFERENCES:
patent: 4319232 (1982-03-01), Westphal et al.
patent: 4677371 (1987-06-01), Imaizumi
patent: 4999608 (1991-03-01), Galomb
patent: 5712621 (1998-01-01), Andersen
Huang Chao-Chun
Tsai Hui-Ming
Apex Juris pllc
Bugg George A.
E-Chuang Tech. Ltd., Co.
Heims Tracy M.
Lee Benjamin C.
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