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US2008042826A1
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Security system interface module
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US6812836B2
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Alarm system armed and disarmed by a door contact
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CA2383407A1
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Alarm system armed and disarmed by a deadbolt on a door
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US6494425B2
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Apparatus and method of installing an alarm sensor to a corner wall
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US6225903B1
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Alarm system armed and disarmed by a deadbolt on a door
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US6198389B1
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Integrated individual sensor control in a security system
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US6177925B1
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Customized overlay template for alarm control panel keypad
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US5764143A
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Combination temperature unit/intruder sensor utilizing common components
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US5684458A
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Microwave sensor with adjustable sampling frequency based on environmental conditions
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US5331308A
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Automatically adjustable and self-testing dual technology intrusion detection system for minimizing false alarms
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US5008840A
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Multi-zone microprocessor fire control apparatus
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US4833450A
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Fault detection in combination intrusion detection systems
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US4804942A
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Verifying automatic line integrity diagnostic (V.A.L.I.D.) apparatus and methods for intrusion detection systems
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US4742183A
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Methods and techniques for fabricating foldable printed circuit boards
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US4667183A
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Keyboard hold-down functions for a multi-zone intrusion detection system
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US4622541A
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Intrusion detection system
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US4498075A
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Fault indicator apparatus for a multi-zone intrusion system
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US4361740A
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Seismic sensor apparatus
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US4145581A
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Automatic telephone dialer for use in intrusion detection systems
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US4156235A
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Apparatus for activating or deactivating an intrusion detection system from a plurality of remote locations
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