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An electrochromic window assembly includes a security system for monitoring breakage of the electrochromic window assembly. Control circuitry is connected to the electrochromic window assembly for monitoring an electrical characteristic of one or more conductive coatings within the electrochromic wi

An electrochromic window assembly includes a security system for monitoring breakage of the electrochromic window assembly. Control circuitry is connected to the electrochromic window assembly for monitoring an electrical characteristic of one or more conductive coatings within the electrochromic window assembly, such as electrical resistance. Upon detecting a change in the electrical resistance, such as that caused by a break in one or more conductive coating, an alarm signal is generated and is sent to an alarm trigger circuit for activating an alarm. A method for monitoring penetration or breakage of an electrochromic window assembly is also provided, which method involves applying electrical activation to an electrochromic assembly and monitoring for a change in an electrical characteristic based on the applied electrical potential. Electrochromic window assemblies incorporating security alarm features in accordance with the present invention are particularly useful in automobile applications.

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An electrochromic window assembly includes a security system for monitoring breakage of the electrochromic window assembly. Control circuitry is connected to the electrochromic window assembly for monitoring an electrical characteristic of one or more conductive coatings within the electrochromic wi

An electrochromic window assembly includes a security system for monitoring breakage of the electrochromic window assembly. Control circuitry is connected to the electrochromic window assembly for monitoring an electrical characteristic of one or more conductive coatings within the electrochromic window assembly, such as electrical resistance. Upon detecting a change in the electrical resistance, such as that caused by a break in one or more conductive coating, an alarm signal is generated and is sent to an alarm trigger circuit for activating an alarm. A method for monitoring penetration or breakage of an electrochromic window assembly is also provided, which method involves applying electrical activation to an electrochromic assembly and monitoring for a change in an electrical characteristic based on the applied electrical potential. Electrochromic window assemblies incorporating security alarm features in accordance with the present invention are particularly useful in automobile applications. id trailer circuits include an electric brake circuit; and b) said blue diode indicates the condition of said electric brake circuit. 10. An electrical tell tale system as in claim 8, wherein: a) said trailer circuits include a brake lights circuit; and b) said red diode indicates the condition of said brake lights circuit. 11. An electrical tell tale system as in claim 8, wherein: a) said trailer circuits include a turn indicator circuit; and b) said green diode indicates the condition of said turn indicator circuit. 12. An electrical tell tale system as in claim 8, wherein: a) said trailer circuits include a parking light circuit; and b) said yellow diode indicates the condition of said parking light circuit. 13. An electrical tell tale system as in claim 1, wherein said tell tale monitor includes a buzzer. 14. An electrical tell tale system as in claim 1, wherein said tell tale monitor is compact such as to be easily mounted anywhere in the vehicle in view of the driver. 15. An electrical tell tale system as in claim 1, wherein said light emitting diodes are visible day or night. 2, 19961200, Shea et al., 324/722; US-5602520, 19970200, Baiatu et al., 338/022.R; US-5644283, 19970700, Grosse-Wilde et al., 338/020; US-5777541, 19980700, Vekeman d circuit comprises a comparator circuit, a level output circuit, a count driving circuit, and an oscillating circuit; said comparator circuit being connected to said level output circuit, said count driving circuit, and said oscillating circuit; said oscillating circuit receiving a signal output by said comparator circuit and performing an oscillatory process to said received signal, and outputting said processed signal to said count driving circuit; said count driving circuit receiving said signal output by said oscillating circuit, and said signal received by said count driving circuit from said oscillating circuit and a signal received by said count driving circuit from said comparator circuit being counted and fed back by said count driving circuit to said comparator circuit for signal comparison; and said comparator circuit outputting a processed resultant signal to said level output circuit for the latter to output a driving signal to said driver. 7. The wave-discriminating inductive electronic device as claimed in claim 6, wherein said driving unit comprises a plurality of light-emitting diodes, a plurality of speakers, and a plurality of servo motors, and said light-emitting diodes, said speakers and said servo motors appropriately emitting flashes, producing voices or sounds, and generating vibration and rotation, respectively, in response to signals sent by said driver. , 1998. Williamson, T., et al., "A Specialized Multibaseline Stereo Technique for Obstacle Detection," Robotics Institute, Carneige Mellon University, Pittsburgh, PA, 1998. Williamson, T., et al., "Detection of Small Obstacles at Long Range Using Multibaseline Stereo," Robotics Institute, Carnegie Mellon University, Pittsburgh, PA. IEEE/IEEJ/JSAI International Conference on Intelligent Transportation Systems, held in Tokyo, Japan from Oct. 5-8, 1999. Williamson, T., "A High Performance Stereo Vision System for Obstacle Detection," doctoral dissertation, tech. report CMU-RI-TR-98-24, Robotics Institute, Carnegie Mellon University, Sep. 1998. K. Kanatani, "Gazo Rikai," Morikita Publishing, Tokyo, May 24, 1990. Dickmanns, E., et al., "Recursive 3-D Road and Relative Ego-State Recognition," IEEE Transactions of Pattern Analysis and Machine Intelligence, vol. 14, No. 2, Feb. 1992. Alcatel USA, White Paper "iMLS--Intelligent Mobile Location Server", 14 pages, May 2000. Alcatel USA, "Intelligent Mobile Location Server-Enbaling Location Services", 24 pages, May 2000. English language translation JP 10-222679.