Mirror defogger

Details Mirror defogger Mirror defogger

1989-02-21

1990-09-11

Walberg, Teresa J.

Electric heating

Heating devices

Combined with diverse-type art device

H05B 384

Patent

active

049565427

ABSTRACT:
A mirror defogger assembly having a plurality of adhesively coated elements for covering a variety of mirror shapes. Mirror heating elements are activated by means of a humidistat signaling a control module when humidity reaches a preset level. Heating elements are capable of front or rear mounting on the mirror. Humidistat signal can be electronic pulse, ultra-sound transmission, infrared beam, or radio signal. Control module operates on alternating current and has the ability to respond to manual command. Heating elements are provided with an automatic shut off sensor to prevent overheating damage.

REFERENCES:
patent: 1933173 (1933-10-01), Hunt
patent: 2564836 (1951-08-01), Elsenheimer
patent: 3052787 (1962-09-01), Williams
patent: 3160736 (1964-12-01), Catterson
patent: 3530275 (1970-09-01), Rust
patent: 3806702 (1974-04-01), Spencer
patent: 3839620 (1974-10-01), Seibel
patent: 3881788 (1975-06-01), Seibel
patent: 3934111 (1976-01-01), Roselli
patent: 4631391 (1986-12-01), Tiepke
patent: 4665304 (1987-05-01), Spencer

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