The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 19, 2013
Filed:
Dec. 21, 2009
Thomas Fischer, Wenden, DE;
Christian a Fischer, Remscheid, DE;
Marcel Fruend, Remscheid, DE;
Kai Niederhagen, Wuppertal, DE;
Thomas Fischer, Wenden, DE;
Christian A Fischer, Remscheid, DE;
Marcel Fruend, Remscheid, DE;
Kai Niederhagen, Wuppertal, DE;
Delphi Technologies, Inc., Troy, MI (US);
Abstract
An occupant detection system and method are provided for detecting an occupant seated in a vehicle seat. An electrode is arranged in a seat proximate to an expected location of an occupant for sensing an occupant proximate thereto. The electrode may be integrated with a seat heater. Control circuitry controls the seat heater. A signal generator is coupled to the electrode and configured output to the electrode a plurality of signals at a plurality of frequencies. Occupant detection circuitry detects voltages responsive to the plurality of signals at the plurality of frequencies and detects a state of occupancy based on the detected voltages. An LC circuit coupled to the electrode and the control circuitry suppresses capacitance generated by the control circuitry.