Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1994-12-20
1997-02-11
Hofsass, Jeffery
Communications: electrical
Condition responsive indicating system
Specific condition
340638, 340529, 340693, 361 93, G08B 2100
Patent
active
056025327
ABSTRACT:
An electrically powered annunciating system, for use in electrical panel boxes, having a sensing circuit including a first acoustical transducer to transmit a sonic signal to an annunciating circuit having a second acoustical transducer at a spaced distance from the first transducer to operate the annunciating circuit responsive to a sonic signal received from the first transducer. The sensing circuit powers the first acoustical transducer to produce a sonic signal responsive to a sensed electrical event such as termination of power to an electrical component. The annunciating circuit includes a tuned amplifier for signal purification and amplification, a time delay integrator to prevent accidental circuit operation caused by noise and an annunciator and a communication interface activated responsive to a sonic signal received by the second transducer. The annunciating system is particularly adapted for use in electrical panel boxes having multiple electrical components that are coupled by post and bus bar type connections, to alleviate the use of flexible wiring in the box for annunciating circuits.
REFERENCES:
patent: 3337992 (1967-08-01), Tolson
patent: 3955405 (1976-05-01), Couture
patent: 4191947 (1980-03-01), Bouchard et al.
patent: 4417235 (1983-11-01), Del Grande
patent: 4602357 (1986-07-01), Yang et al.
patent: 4612535 (1986-09-01), Sequin et al.
patent: 4698621 (1987-10-01), Masot
patent: 4794485 (1988-12-01), Bennett
patent: 4876626 (1989-10-01), Kaczmarek
patent: 4912590 (1990-03-01), Misencik
patent: 5177461 (1993-01-01), Budzyna et al.
A.C. Data Systems of Idaho, Inc.
Hofsass Jeffery
Lee Benjamin C.
LandOfFree
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