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US 6,617,550 B2Granted
Electrically heated blanket
OwnerYoshiji Sowa, Hiroaki Sowainventors
Life of this patent
Estimating the term…
Abstract
An electrically heated blanket which is able to adjust temperature by means of a controller comprising a main blanket body composing of fabrics, two heater cables arranged over the main blanket body which form a configuration of a concave or a U-letter in a plan view. The two heater cables are arranged adjacent and in parallel to each other, beginning ends thereof being connected to the controller and the terminal ends thereof being connected to each other in which electric current flows in opposite directions.
Claims6
An electrically heated blanket structured to be able to control temperature by a controller, comprising;
- a main blanket body, and
- two heater cables arranged over the main blanket body to form a space of a concave or a U-letter configuration in a plan view,
- said two heater cables being arranged adjacent in parallel to each other and their beginning ends being connected to the controller and their terminal ends being connected to each other so as to flow electric current therein in opposite directions.
Dependencies are inferred from the claim text.