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.

Date of Patent:
Sep. 17, 2019

Filed:

Apr. 08, 2015
Applicant:

University of Waikato, Hamilton, NZ;

Inventors:

Adrian Andrew Dorrington, Auckland, NZ;

Lee Vincent Streeter, Hamilton, NZ;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01S 7/491 (2006.01); G01S 7/497 (2006.01); G01S 17/36 (2006.01); G01S 17/89 (2006.01);
U.S. Cl.
CPC ...
G01S 7/497 (2013.01); G01S 7/4911 (2013.01); G01S 7/4915 (2013.01); G01S 17/36 (2013.01); G01S 17/89 (2013.01);
Abstract

In one aspect the invention provides a time of flight camera system which includes a time of flight transmitter arranged to transmit modulated radiation at a target, and a phase adjustment element configured to adjust the phase of a source modulation signal used to modulate the radiation transmitted at the target. This phase adjustment element provides a set of phase separated output signals, each output signal provided having one of a set phase offsets values applied, where at least one of these phase offset values is the cancellation phase value of another member of the set of phase offset values. The camera system also includes an image sensor modulated with the source modulation signal and configured to measure radiation reflected from a target, and a processor arranged to receive the image sensor measurements and being programmed to resolve range information from the measurements received by the image sensor.


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Dorrington, Adrian. (2019). Signal harmonic error cancellation method and apparatus (U.S. Patent No. 10416297). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10416297

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