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:
May. 04, 2004
Filed:
Feb. 27, 2002
Applicant:
Inventors:
Assignee:
Hon Hai Precision Ind. Co., Ltd., Taipei Hsien, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/00 ;
U.S. Cl.
CPC ...
G02B 6/00 ;
Abstract
A variable optical attenuator ( ) comprises a holder ( ), a rotatable mechanism ( ), a refractor ( ), an input port ( ) and an output port ( ). The input port and the output port are engaged with corresponding upright beams ( ) of the holder, which hold the input port and the output port in alignment with each other. The refractor is mounted on the rotatable mechanism by adhering to or soldering on a groove ( ) of the rotatable mechanism, wherein the rotatable mechanism mates with a through hole ( ) of the holder to make the center of the refractor and the optical axis of input and output collimators ( ) of the input and output ports in line.