A seat heater (10) that is provided on a seat (1) including a seat cushion (2) and a seat back (3) includes a first heating element (12U) provided in an upper section (3Lu) of a backrest (3L) in the seat back (3) and a second heating element (12L) provided...

A seat heater includes first heat-generating elements 11-15 embedded in a seat so as to correspond to first sites of a seat occupant, second heat-generating elements 20, 21 embedded in the seat so as to correspond to second sites of the seat occupant, and ...

A self-regulating flexible heater construction for producing heat when connected to an electrical power source comprises a flexible fabric substrate (10), a layer of a positive temperature coefficient (PTC) material (12), and a conductive material layer (1...

The monitoring device has at least one electrical tapping (AB1,AB2) between at least two heating elements (HE1-HE3) that is electrically connected to an evaluation unit (A1,A2), whereby the evaluation unit compares the tapped signals with internal threshol...