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:
Feb. 24, 2004
Filed:
Jan. 29, 2002
Applicant:
Inventors:
Robert C. Keller, Plano, TX (US);
Luisa Angelica Zepeda, Dallas, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 2/608 ;
U.S. Cl.
CPC ...
G02B 2/608 ;
Abstract
An optical system includes a light source , such as a laser diode. A rotatable mirror is positioned to receive a light beam from the light source . A collimating lens is positioned to receive a reflected light beam from the rotatable mirror . The collimating lens preferably has a focal length that is about equal to the sum of the distance between the light source and the mirror and the mirror and the lens