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:
Mar. 25, 2014
Filed:
Apr. 06, 2009
Applicants:
Tobias Dahl, Oslo, NO;
Geir Birkedal, Oslo, NO;
Bjorn Cato Syversrud, Oslo, NO;
Inventors:
Assignee:
Elliptic Laboratories AS, Oslo, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 15/00 (2006.01); G01S 15/88 (2006.01);
U.S. Cl.
CPC ...
G01S 15/88 (2013.01);
Abstract
Estimating the impulse response of a channel by providing an initial signal (); applying a time-shift function to the initial signal () to produce a transmit signal (); transmitting the transmit signal (); receiving a received signal; calculating an impulse response from the received signal as if the received signal had been produced by the initial signal; and using the impulse response to distinguish between received signals arising from reflections from objects () at different ranges.