H - Electricity – 05 – B
Patent
H - Electricity
05
B
309/4
H05B 3/20 (2006.01) A47G 1/00 (2006.01) H05B 3/84 (2006.01)
Patent
CA 1227520
ABSTRACT A heating element for bathroom and similar mirros is formed as a laminate placed behind a conventional mirror glass. The laminate has outer insulating layers encap- sulating separate foil conductor patterns forming distri- bution and return conductors for the supply current, and a continuous conductor layer formed by a higher resistivity conducting paint or coating extending between the conductor patterns. Preferably the conductor patterns are formed as longitudinal bands on a continuous web of insulative sub- strate material which is then cut into lengths which are mounted on backing sheets of appropriate size and which carry buses to establish connection between the conductor bands and an electrical supply, the backing and substrate layers being bonded together to provide the encapsulating insulating layers.
480516
Ridout & Maybee Llp
Spencer A. George
LandOfFree
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