Infrared sentry with voiced radio dispatched alarms

Details Infrared sentry with voiced radio dispatched alarms Infrared sentry with voiced radio dispatched alarms

1991-05-31

1994-02-01

Peng, John K.

Communications: electrical

Condition responsive indicating system

With particular system function

340460, 340506, 340531, 340539, 340565, 340692, 381110, G08B 1900

Patent

active

052835499

ABSTRACT:
An electronic security sentry for monitoring a designated area to detect unauthorized intruders comprises a housing that contains a microprocessor controller, a power source, and a two-way radio transmitter coupled to the microprocessor. The microprocessor controller includes storage for storing the digital equivalents of a predetermined set of verbal commands. A set of passive infrared detectors are coupled to the controller and mounted to the housing such that their fields of coverage span the area to be monitored. Upon detection by the sensors of an unauthorized intruder, a signal is conveyed to the microprocessor which selects a predetermined set of digitized verbal commands from its memory, activates the two-way radio in its transmit mode, and conveys the commands in a predetermined sequence to the two-way radio. The sequence of verbal commands are then transmitted by the radio for receipt by the security guards of an adjunct guard force, who can respond to the alarm accordingly. A number of different types of sensors, such as temperature sensors, moisture sensors, tilt sensors, and the like are also coupled to the controller and predetermined messages corresponding to activation of these sensors can be broadcast when one of the sensors is activated.

REFERENCES:
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patent: 4455551 (1984-06-01), Lemelson
patent: 4494111 (1985-01-01), Rocci et al.
patent: 4631527 (1986-12-01), De Witt et al.
patent: 4724425 (1988-02-01), Gerhart et al.
patent: 4734680 (1988-03-01), Gehman et al.
patent: 4772875 (1988-09-01), Maddox et al.
patent: 4821027 (1989-04-01), Mallory et al.
patent: 4894642 (1990-01-01), Ashbaugh et al.
Brochure "Guardzone" Fast Portable Security by GEC Marconi Limited 1990 (4 pages).
Pamphlet: "Someone to Watch Over Us . . . Guardian" by ML Aviation Limited, Security Products Div., 945 Concord St., Farmingham, MA 01701, (2 pages).

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