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. 12, 2002
Filed:
Apr. 05, 2000
Martin E. Beck, Manhattan Beach, CA (US);
Ashley Powers Danial, Redondo Beach, CA (US);
TRW Inc., Redondo Beach, CA (US);
Abstract
A position sensor determines relative changes in position of a first member and a second member. A first conductor is movable with one of the members and a second conductor is energized in response to a first electrical signal coupled to the first conductor across a gap. The coupling induces a current in the first conductor having a current value which varies in response to relative changes in the position of the first and second members. A power supply furnishes a predetermined supply voltage and a pulse generator generates output pulses at a predetermined repetition rate. A resonant circuit has a center resonant frequency within a range of resonant frequencies that include the repetition rate of the pulse generator. The resonant circuit generates the first signal with a voltage greater than the supply voltage so that the induced current value is sufficiently large to facilitate further processing.