Defogging and deicing shield structure

Details Defogging and deicing shield structure Defogging and deicing shield structure

1986-04-17

1987-07-21

Goldberg, E. A.

Electric heating

Heating devices

Combined with diverse-type art device

2435, 219201, 219548, 219203, H05B 326

Patent

active

046820078

ABSTRACT:
An improved defogging and deicing shield structure suitable for use as a face shield in combination with a protective helmet or for use in goggles having at least two spaced coextensive lenses. The inner surface of one lens is imprinted with an electrical circuit in a predetermined pattern. The resistance of the circuit being sufficient to generate heat effective to defog or deice the exterior surface of the other lens when the circuit is connected to a direct current power source.

REFERENCES:
patent: 3024341 (1962-03-01), Ogle
patent: 3027561 (1962-04-01), Senne
patent: 3609293 (1971-09-01), Stewart
patent: 4035608 (1977-07-01), Stromquist
patent: 4584721 (1986-04-01), Yamamoto

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