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. 13, 2001
Filed:
Jan. 06, 1999
Applicant:
Inventors:
Kerry J. Vahala, San Gabriel, CA (US);
Roberto Paiella, Milan, IT;
Guido Hunziker, Altadena, CA (US);
Assignee:
California Institute of Technology, Pasadena, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/39 ;
U.S. Cl.
CPC ...
G02F 1/39 ;
Abstract
A channel-obtaining device takes the desired channel and uses a resonant semiconductor device to mix the channel to a different frequency. The dropped channel is sufficiently removed from the other channels in frequency that it can be effectively separated.