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:
Jul. 19, 1983
Filed:
Apr. 29, 1981
Robert R Williams, Green Camp Township, Marion County, OH (US);
Whirlpool Corporation, Benton Harbor, MI (US);
Abstract
A capacitive touch panel control provided with first and second conductive circuit pads on opposite faces of a thin dielectric sheet in the form of a film secured to a dielectric panel by adhesive. The panel is provided with a touch pad. The circuit pads are disposed so that at least a portion of each is in appositional facial registration with the touch pad and out of appositional facial registration with each other so as to provide a variable capacitance between the circuit pads as an incident of selective touching and non-touching of the touch pad by a user. The circuit pads may form a portion of a printed circuit on the film which further includes electrical conductors for making connection to associated apparatus. Ground conductors may be provided on the film adjacent the output voltage conductors of the circuit to reduce leakage between the circuit conductors. The provision of the circuit pads on opposite faces of the film permits electrically insulated crossover of the conductors for facilitated layout of the circuit.