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:
Aug. 09, 2005
Filed:
Oct. 18, 2002
Applicants:
Yasuhiro Ito, Tokyo, JP;
Yasuaki Nishida, Tokyo, JP;
Takashi Ando, Tokyo, JP;
Kazuhiro Daikoku, Tokyo, JP;
Shinichi Hosoya, Tachikawa, JP;
Inventors:
Yasuhiro Ito, Tokyo, JP;
Yasuaki Nishida, Tokyo, JP;
Takashi Ando, Tokyo, JP;
Kazuhiro Daikoku, Tokyo, JP;
Shinichi Hosoya, Tachikawa, JP;
Assignees:
Nippon Hoso Kyokai, Tokyo, JP;
NHK Engineering Services, Inc., Tokyo, JP;
RCOM Corporation, Tokyo, JP;
Japan Kyastem Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03D001/04 ;
U.S. Cl.
CPC ...
Abstract
To improve the quality of the demodulated signal without altering the form in which an AM radio wave is transmitted, the received amplitude-modulated signal is converted to a single-sideband signal, and the information signal demodulated from the phase term of this converted single-sideband signal.