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:
Jun. 17, 2003
Filed:
Nov. 12, 1999
Applicant:
Inventors:
Assignee:
California Institute of Technology, Pasadena, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/26 ; G02B 6/293 ;
U.S. Cl.
CPC ...
G02B 6/26 ; G02B 6/293 ;
Abstract
A resonator, e.g., a silica microsphere or disk, is used between two fiber optic cables to form an add/drop filter. The resonator is resonant with the frequency to be added or dropped. In this way, only that particular channel is added or dropped as needed.