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Vehicle alarm system having a coded visual response
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Quick stacking filing trays
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Prealarm system for an anti-theft alarm
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Super-thin type file holder
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Car alarm control system
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Error-free control circuit for alarm detectors
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Remote control for arming and disarming an alarm system
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Coding inductance coupling remote control system - has transmitter with encoder, oscillator and antenna and receiver to decode transmitted signal
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A universal interface for controlling power door locks with an automobile burglar alarm
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Means for controlling power door locks with an automobile burglar alarm
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Two-step alarm disarming device with automatic rearming feature
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Main battery disconnection alarm and headlight warning circuit
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Active entry delay device for an alarm system
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Interruption demonstrating and multi-phase burglar detecting alarm
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Burglar alarm with a multi-phase circuit, fail-safe control circuit, automatic rearm circuit and two-step disarming circuit
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Structure of vibration sensor
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Device to facilitate the arming of an alarm system and to provide lock-out protection
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Environmental interference detection device
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An environmental interference detection device
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GB8516158D0
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Alarm systems
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