Communications: electrical – Systems – Portable self-contained
Patent
1995-02-21
1997-05-27
Crosland, Donnie L.
Communications: electrical
Systems
Portable self-contained
340331, 340332, 340691, 340693, 34081545, 34081555, 34081573, 34081576, 362 833, 362157, 362800, G08B 500
Patent
active
056336233
ABSTRACT:
A safety device in the form of a compact, battery-operated, personal signalling system for providing light signals for personnel monitoring and detection purposes while operating under hazardous conditions. The device includes a light source that can emit either visible light or non-visible infrared light as periodic flashes. A light emission multiplier is provided between the light source and a protective, overlying panel to increase the visibility of the emitted light. The light emission multiplier is in the form of a thin sheet of vinyl plastic that includes a plurality of pyramidal microprisms on an outwardly facing surface. The microprisms operate to multiply the number of light emission points, thereby increasing the visibility of the safety device.
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Brochure--Reflexite High Visibility Retroreflective Products, Refelxite Technology Center, Avon, CT, Feb. 1993.
Crosland Donnie L.
Mangels Alfred J.
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