Education and demonstration – Occupation – Fire fighting
Patent
1997-03-27
1998-12-08
Hafer, Robert A.
Education and demonstration
Occupation
Fire fighting
G09B 1900
Patent
active
058460853
ABSTRACT:
Firefighter training device for limiting a trainee's vision and simulating firefighting conditions across a trainee's field of view. The device includes a view-limiting simulation mask which is worn by a trainee (e.g., respirator mask, glasses, or goggles). The mask houses a voltage controlled liquid crystal (LC) lens system, either single or multi-layered, which is divided into various individually and electronically controllable segments. Host dyes might be injected into LC materials to produce colors in the lens segments. Pre-programmed and random pattern control of lens segments occludes the trainee's vision and simulates smoke and/or fires. Sound and strobes might be added to simulate explosions and other firefighting conditions. A transmitter, which includes switchable controls, can be used to send control signals to the mask. The training device can effectively be used indoors or outdoors. Audio devices may accompany the visual trainer, providing alarms and simulating the sounds of actual firefighting conditions.
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Flameco, Inc.
Hafer Robert A.
Rovnak John Edmund
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