Modular emergency or weather alert interface system

Communications: electrical – Condition responsive indicating system – Specific condition

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Details

340539, 34030915, 455 571, 379 37, G01W 100

Patent

active

054444330

ABSTRACT:
This invention relates to an automatic, emergency or weather alert interface system between a first communication system, on which an emergency alert signaling tone is transmitted to indicate the occurrence of an emergence condition, and a second communication system, different from the first communication system. In operation, an emergency alert signaling tone is received from the first communication system by the emergency alert interface system which causes a prerecorded alert message to automatically be transmitted on the second communication system for an adjustable number of cycles wherein the audio from the prerecorded alert message is mixed with the audio from the second communication system so as to permit both audio messages to simultaneously be transmitted on the second communication system. Additional features taught herein include the transmission of a subaudible signaling tone on the second communication system to permit listeners on the second communication system to filter out all non emergency communication on that system until the subaudible signal is transmitted and the ability to permit a second communication system listener to access and link and the first communication system to the second communication system to permit immediate access to the alert message on the first communication system through the second communication system.

REFERENCES:
patent: 3626098 (1971-12-01), Lee
patent: 3975583 (1976-08-01), Meadows
patent: 4031467 (1977-06-01), Singleton
patent: 4524243 (1985-06-01), Shapiro
patent: 5148491 (1992-09-01), Sakamoto et al.
The "Bearcat Alert" receiver--User's manual--1994.
ACC Reporter Controller Owner's Manual p. 8-4, Apr. 1987.

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