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:
Mar. 26, 2002

Filed:

Jun. 26, 2000
Applicant:
Inventors:

Paul D. Biernacki, Alexandria, VA (US);

Paul J. Matthews, Springfield, VA (US);

Michael E. Gingerich, Dumfries, VA (US);

Michael L. Frankel, Baltimore, MD (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/12 ;
U.S. Cl.
CPC ...
H03M 1/12 ;
Abstract

A circuit for selectably generating a plurality of preselected digital output signals which are precise and accurate, and among which the circuit can switch rapidly. In one embodiment, the outputs are connected to analog circuit signals, and drive a optical laser such that choice of the particular outputs of the circuit permits controllable switching of the laser output wavelength.


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