Communications: electrical – Systems – Periodic or flashing
Patent
1991-10-29
1993-01-05
Coles, Sr., Edward L.
Communications: electrical
Systems
Periodic or flashing
340539, 340691, 340628, 340332, 34081511, 40457, G08B 108
Patent
active
051774615
ABSTRACT:
A flashing alarm device responsive to audible signals produced by a smoke detector when the smoke detector senses a smoke condition, the alarm device including a circuit with a microphone portion for responding to audible signals produced by the smoke detector and an amplifier circuit portion for amplifying signals produced by the microphone, a switch circuit portion having a control input connected to the output of the amplifier circuit portion, and another circuit portion including a battery, a timer circuit, and a light bulb, the battery having a connection to the amplifier circuit and to the timer circuit, the timer circuit and the light bulb being connected in series with the switch circuit portion for energizing and de-engergizing the light bulb whenever the switch circuit portion is in its conducting condition. The device may also include a housing for the components and the device may optionally be constructed to operate on transmitted and received radio frequency signals.
REFERENCES:
patent: 3810170 (1974-05-01), Zinsmeister
patent: 3913092 (1975-10-01), Klingenberg
patent: 4160246 (1979-07-01), Martin et al.
patent: 4258291 (1981-03-01), Scott et al.
patent: 4297677 (1981-10-01), Lewis et al.
patent: 4417235 (1983-11-01), Del Grande
patent: 4514725 (1985-04-01), Bristley
patent: 4524304 (1985-06-01), Todd
patent: 4531114 (1985-07-01), Topol et al.
patent: 4570155 (1986-02-01), Skarmen et al.
patent: 4612535 (1986-09-01), Sequin et al.
patent: 4630248 (1986-12-01), Scott
patent: 4633234 (1986-12-01), Gagnon
patent: 4730184 (1988-03-01), Bach
patent: 4736186 (1988-04-01), Jones
patent: 4763115 (1988-08-01), Cota
Budzyna W. James
Howe David J.
Johnson William A.
Coles Sr. Edward L.
Jackson Jill
Universal Electronics Inc.
Vigil Thomas R.
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