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:
Apr. 10, 2018

Filed:

Apr. 14, 2015
Applicant:

Stmicroelectronics (Research & Development) Limited, Marlow, GB;

Inventors:

Adam Caley, Fife, GB;

Colin Campbell, Darvel, GB;

Christopher Townsend, Edinburgh, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 3/08 (2006.01); G01S 17/08 (2006.01); G01S 7/481 (2006.01); G01S 7/497 (2006.01);
U.S. Cl.
CPC ...
G01S 17/08 (2013.01); G01S 7/4813 (2013.01); G01S 7/4814 (2013.01); G01S 7/4816 (2013.01); G01S 7/4972 (2013.01);
Abstract

A time of flight detector includes an electromagnetic radiation emitter configured to emit a beam of radiation. A first optical element receives the beam of radiation and generates a collimated beam of radiation. A second optical element defines a narrow imaging field of view sufficient to capture reflected electromagnetic radiation from the collimated beam. An electromagnetic radiation sensor then senses the captured reflected electromagnetic radiation from the collimated beam in the narrow imaging field of view. Further narrowing of the imaging field of view is accomplished by selective enabling a sub-array of photosensitive elements with the electromagnetic radiation sensor.


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