Electric heating – Heating devices – Combined with diverse-type art device
Patent
1994-05-23
1995-04-11
Reynolds, Bruce A.
Electric heating
Heating devices
Combined with diverse-type art device
219522, 219543, H05B 100, H05B 316
Patent
active
054060494
ABSTRACT:
The mirror assembly uses a non-reflective conductive coating as a heating element for preventing fog formation on a mirror exposed to a humid environment such as is found in a bathroom. As compared to conductive reflective mirror coatings, the non-reflective conductive coatings used in this invention have a relatively high resistance, which allows high reflectivity mirrors to be made fog-free. The conductive coatings may be split into separate conductive elements with one or more scribe lines in order to control the length of the conductive path from inlet bus to outlet bus. The buses may be made from an ultra thin foil tape, which can be adhered to the conductive coatings, and which is solderable for securement of power lines thereto. Such a bus tape possesses both in plane and through plane conductive characteristics and can easily be cut to any length desired for the mirror sizes being produced. Highly conductive plated layers may be deposited on the conductive surfaces where the foil buses are attached to enhance the contact between the buses and the conductive mirror surfaces. The foil buses are connected to electrical conductor wires from the power source.
REFERENCES:
patent: 3790748 (1974-02-01), Van Laetham
patent: 4352006 (1982-09-01), Zega
patent: 5083009 (1992-01-01), Reiser et al.
patent: 5347106 (1994-09-01), Reiser et al.
Reiser Carl
Sawyer Richard
Jones William W.
Reynolds Bruce A.
Switzer Michael D.
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