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:
Apr. 07, 2015
Filed:
Aug. 23, 2011
Michael S. Lackey, Torrance, CA (US);
Thomas H. Alford, Lomita, CA (US);
Robert F. Stiffler, Lakewood, CA (US);
David Filgas, Newbury Park, CA (US);
Michael S. Lackey, Torrance, CA (US);
Thomas H. Alford, Lomita, CA (US);
Robert F. Stiffler, Lakewood, CA (US);
David Filgas, Newbury Park, CA (US);
Raytheon Company, Waltham, MA (US);
Abstract
Provided are assemblies and processes for activating light emitting devices. A first current sink is in electrical communication with a common source through a current node and configured to draw a first current through the current node in response to a respective control signal. A second current sink is also provided in electrical communication with the current node and in parallel with the first current sink, also configured to draw a second current through the current node in response to a respective control signal. An aggregate current is drawn through the array, determined as a combination of the first and second currents. A commanded current from the first current sink can be shunted around the second array and the second current sink, providing a capability to series both the first and second laser diode light-emitting arrays, while simultaneously drawing different current amplitudes through each array from a common potential source.