Security system keypad illuminated by proximate motion
First Claim
1. A keypad for controlling a security system that issues alarm signals indicating predetermined detected events, the keypad including a light source operative to illuminate the keypad;
- characterized in that;
said keypad includes a proximity detector sensing a human approach to said keypad, and said proximity detector operates said light source independent of the alarm signals to increase illumination of said keypad in response to said human approach.
1 Assignment
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Accused Products
Abstract
A security interface device, such as a keypad, includes a proximity detector sensing a human approach and operating a light source to enhance illumination of the device in response to such approach. A timing device switches the illumination source off after the expiration of a predetermined time period and the proximity detector switches said illumination source on, or enhances the illumination, in response to the detection of movement in the vicinity of the pad. The proximity detector has a short range, and the range preferably does not intercept the floor or ceiling, to reduce triggering by pets, fans, ceiling lights and other non-human sources.
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Citations
19 Claims
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1. A keypad for controlling a security system that issues alarm signals indicating predetermined detected events, the keypad including a light source operative to illuminate the keypad;
- characterized in that;
said keypad includes a proximity detector sensing a human approach to said keypad, and said proximity detector operates said light source independent of the alarm signals to increase illumination of said keypad in response to said human approach. - View Dependent Claims (2, 3, 4, 5)
- characterized in that;
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6. A communication pad for use with a security system that detects security threatening events, the pad including an illumination source for illuminating at least one section of the pad independent of said threatening event detection;
- characterized in that;
a timing device coupled to said communication pad detects the expiration of a predetermined time period and, in response to said expiration, switches said illumination source to a reduced-illuminating state; and
,a proximity detector coupled to said communication pad detects human presence in the vicinity of said pad and, in response to said detection, switches said illumination source to an increased illuminating state. - View Dependent Claims (7, 8, 9, 10)
- characterized in that;
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11. A security system comprising:
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a control panel; a plurality of event detectors coupled to said panel, said detectors communicating an alarm signal to said panel in response to movement in a protected region; a keypad coupled to said control panel, said keypad including input elements for controlling said system and display elements indicating the status of said system, said keypad further including an illumination source having an off state and an on state, said illuminating source in said on state illuminating at least a respective one of said input elements and said display elements; and
,a proximity detector coupled to said keypad, said proximity detector detecting movement in the vicinity of said keypad and, in response to said detection, switching said illumination source to said on state independent of said alarm signal. - View Dependent Claims (12, 13, 14, 15)
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16. A security system comprising:
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a control panel; a plurality of event detectors coupled to said panel, said detectors communicating alarm signals to said panel in response to movement in a protected region; a keypad coupled to said control panel, said keypad including input elements for controlling said system and display elements indicating the status of said system, said keypad further including an illumination source operative to increase illumination of at least a respective one of said input elements and said display elements; and
,a passive motion sensor supported by said keypad, said motion sensor detecting movement within a range not greater than five feet from said keypad, said motion sensor operating said illumination source, in response to said detected movement and independent of any said alarm signal, to increase said illumination. - View Dependent Claims (17, 18, 19)
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Specification