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:
Jun. 15, 2021

Filed:

Nov. 03, 2016
Applicant:

Rambus Inc., Sunnyvale, CA (US);

Inventors:

Patrick R. Gill, Sunnyvale, CA (US);

David G. Stork, Portola Valley, CA (US);

John Eric Linstadt, Palo Alto, CA (US);

Assignee:

Rambus Inc., San Jose, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/18 (2006.01); H04N 5/225 (2006.01); G02B 13/14 (2006.01); G03H 1/04 (2006.01);
U.S. Cl.
CPC ...
G02B 5/1871 (2013.01); G02B 13/14 (2013.01); G03H 1/0465 (2013.01); H04N 5/2254 (2013.01); G03H 2001/045 (2013.01);
Abstract

An imaging system includes a phase grating overlying a two-dimensional array of pixels, which may be thermally sensitive pixels for use in infrared imaging. The phase grating comprises a two-dimensional array of identical subgratings that define a system of Cartesian coordinates. The subgrating and pixel arrays are sized and oriented such that the pixels are evenly distributed with respect to the row and column intersections of the subgratings. The location of each pixel thus maps to a unique location beneath a virtual archetypical subgrating. Portions of the phase grating extend beyond the edges of the pixels array to interference pattern in support of Fourier-domain imaging.


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