Patent ID: 7173223

Claim:
A method of fabricating a flexible electro-heating apparatus, comprising the steps of: by using at least M first yarns, weaving a fabric-type heating device via a textile process, wherein the heating device has a first side and a second side opposite to the first side, each of the first yarns substantially consists of first textile fibers and metal fibers or one of metallic fibers, N first yarns of the M first yarns are woven through the heating device from the first side to the second side, M and N are natural numbers respectively, and N is less than or equal to M; by using at least one pair of terminals, disposing each pair of terminals respectively and oppositely on the first side and the second side of the heating device; providing a power supply, one of two electrodes of the power supply being detachably and electrically connected to the terminals disposed on the first side of the heating device, another of two electrodes of the power supply being detachably and electrically connected to the terminals disposed on the second side of the heating device; and wherein when the power supply electrically connects to the terminals disposed on the first side and the second side of the heating device, the power supply is capable of applying a voltage between the first side and second side of heating device such that an electric current resulting from the voltage flows through the N first yarns woven through the heating device from the first side to the second side, the N first yarns then generate a heat induced by the electric current wherein the fabric-type heating device is configured for forming a garment and wherein the textile process is one selected from the group consisting of a weaving process, a knitting process and a sewing process.