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Visual fire alarm apparatus

  • US 4,649,376 A
  • Filed: 06/19/1984
  • Issued: 03/10/1987
  • Est. Priority Date: 06/19/1984
  • Status: Expired due to Fees
First Claim
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1. A smoke alarm system, comprisinga portable visual means having an outer housing having a back portion and a forward flat wall portion and inclined sidewalls to establish maximum forward projection of light to persons trapped by a fire within an enclosure, a smoke alarm detector mounted adjacent an upper portion of the enclosure, low voltage lead means connecting said alarm detector to actuate said visual means, said visual means including a high intensity lamp unit, said visual means being mounted in remote relationship to such detector unit so as to locate the high intensity light below the normal smoke level within the enclosure at advanced stages of combustion, a support unit within said housing for said visual means, a pulsed power supply means mounted to said support unit and connected to create bursts of light from said high intensity lamp unit at a frequency such that the pulses are readily distinguishable but are sufficiently close as to avoid any possibility that the illumination would be missed by a person'"'"'s rapid review of the environment, and a low voltage D.C. battery means mounted on said support unit and connected to operate said supply means and said lamp unit.

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