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:
Nov. 04, 2003
Filed:
Jan. 10, 2002
Keith W. Kawate, Attleboro Falls, MA (US);
Gerhard A. Foelsche, Rehoboth, MA (US);
Lidu Huang, Palatine, IL (US);
Gerald H. Fleischfresser, Wheaton, IL (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A differential pulse transformer having a drive coil ( ) and differential sense coils ( ) are disposed on a planar surface with a target ( ) movable over the sense coils to cause an imbalance in magnetic field when a large di/dt pulse is generated in the drive coil. A detection circuit senses the imbalance and provides a digital output accurately identifying the position of the target. Coil and target embodiments include relatively small secondary coils and relatively long targets ( and ) and relatively large secondary coils and short targets ( and ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile