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, 2000
Filed:
Jan. 12, 1998
Applicant:
Inventors:
Takafumi Yamaji, Yokohama, JP;
Hiroshi Tanimoto, Kawasaki, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H03H / ;
U.S. Cl.
CPC ...
327237 ; 231552 ; 231557 ;
Abstract
By disposing the first filter circuit and the second filter circuit whose connection structures are the same and whose element values are different on an integrated circuit, a phase shifter with output signals whose frequency characteristics and errors of phase shift characteristics equally vary can be accomplished.