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:
Nov. 09, 2004
Filed:
Aug. 27, 2001
Thomas P. Glenn, Gilbert, AZ (US);
Roy Dale Hollaway, Chandler, AZ (US);
Steven Webster, Muntinlupa, PH;
Amkor Technology, Inc., Chandler, AZ (US);
Abstract
A VCSEL package includes a substrate and a VCSEL device coupled to the substrate. The VCSEL device includes a first VCSEL and a calibration VCSEL. A sensor is coupled to the substrate such that a sensor area of the sensor is aligned with the calibration VCSEL. The sensor measures light from the calibration VCSEL to determine the power output of light emitted from the first VCSEL. The measured light is subsequently used to adjust the electrical power input to the VCSEL device to maintain the power output of the light emitted from the first VCSEL at a fixed or constant value.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile