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:
Sep. 08, 2009
Filed:
Oct. 28, 2003
Applicant:
Mark Pereira, Livermore, CA (US);
Inventor:
Mark Pereira, Livermore, CA (US);
Assignee:
NVIDIA Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Embodiments of the present invention provide an audio-based position tracking system. The position tracking systems comprises one or more speakers, an array of microphones and a computing device. The speaker is located at a fixed position and transmits an audio signal. The microphone array is mounted upon a moving object and receives the audio signal. The computing device determines a position of the moving object as a function of the delay of the audio signal received by each microphone in the array.