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. 02, 2006
Filed:
May. 13, 2005
Applicants:
Satoru Hirano, Yamagata, JP;
Akira Yoshida, Kanagawa, JP;
Sinya Hasuo, Kanagawa, JP;
Keiichi Tanabe, Ibaraki, JP;
Inventors:
Satoru Hirano, Yamagata, JP;
Akira Yoshida, Kanagawa, JP;
Sinya Hasuo, Kanagawa, JP;
Keiichi Tanabe, Ibaraki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/00 (2006.01); H03M 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a superconducting multi-stage sigma-delta modulator including a first superconducting sigma-delta modulator having a first integrator and a first comparator and outputting a sigma-delta modulated signal and a second superconducting sigma-delta modulator having a second integrator and a second comparator and outputting a sigma-delta modulated signal. The first integrator and the second integrator are magnetically coupled.