Optical: systems and elements – Protection from moisture or foreign particle – Humidity or temperature control
Patent
1993-06-29
1995-08-08
Ben, Loha
Optical: systems and elements
Protection from moisture or foreign particle
Humidity or temperature control
219219, 219548, H05B 384
Patent
active
054404258
ABSTRACT:
The rearview mirror consists of a base attached to a motor vehicle; a supporting structure attached to the base, a mirror plate held in the supporting structure, and a self-controlled heater for defrosting and defogging located between the mirror plate and the supporting structure. The self-controlled heater includes a polymeric semiconductor substrate containing a conductive lampblack, a conductor track including a plurality of electrically conductive bands made with silver ink printed on the semiconductor substract and a terminal for each conductive band. The conductive track has interpenetrating portions spaced at intervals from each other and structured and dimension to provide sufficient heat transfer for defogging and defrosting the mirror plate.
REFERENCES:
patent: 5198639 (1993-03-01), Smuckler
patent: 5206482 (1993-04-01), Smuckler
Da Costa Olavo N.
Kadooka Humberto T.
Moreno Ricardo P.
Ben Loha
Metagal Industria E Commercio LTDA
Phan James
Striker Michael J.
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