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. 15, 2005
Filed:
Jun. 15, 2004
Arthur Monroe Turner, Allen, TX (US);
Andrew Steven Dewa, Plano, TX (US);
Mark W. Heaton, Irving, TX (US);
Philip A. Roden, Plano, TX (US);
Carter Bruce Simpson, Celina, TX (US);
Arthur Monroe Turner, Allen, TX (US);
Andrew Steven Dewa, Plano, TX (US);
Mark W. Heaton, Irving, TX (US);
Philip A. Roden, Plano, TX (US);
Carter Bruce Simpson, Celina, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
System and method for establishing and maintaining resonant oscillations of a torsional hinged device such as a pivotally hinged mirror. The system and methods comprise a permanent magnet mounted to the pivoting mirror that interacts with an electromagnetic coil. The magnetic coil is periodically connected and disconnected from a DC power supply in response to a series of drive pulses having a timing and duration such that the magnetic forces generated by the interaction of the permanent magnet and the electromagnetic coil maintains resonant oscillations of the device.