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:
May. 09, 2017

Filed:

Mar. 27, 2015
Applicant:

Raytheon Company, Waltham, MA (US);

Inventors:

Martin S. Denham, Bend, OR (US);

Bruce E. Bozovich, Northridge, CA (US);

Assignee:

RAYTHEON COMPANY, Waltham, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 7/06 (2006.01); H04N 5/3745 (2011.01); H04N 5/357 (2011.01);
U.S. Cl.
CPC ...
H03K 7/06 (2013.01); H04N 5/357 (2013.01); H04N 5/37455 (2013.01);
Abstract

According to one aspect, embodiments herein provide a current to frequency converter comprising a node configured to be coupled to a photodetector and to receive a photo-current from the photodetector, a capacitor having a first terminal and a second terminal and configured to accumulate electrical charge derived from the photo-current on the first terminal and the second terminal, a switch network configured to selectively couple one of the first terminal and the second terminal to the node, and a Master-Slave (MS) Flip Flop (FF) coupled to the switch network and configured to operate the switch network to toggle which of the first terminal and the second terminal is coupled to the node based on a voltage at the node.


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