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. 09, 2009
Filed:
Dec. 13, 2005
Masaaki Noda, Gifu, JP;
Motoyoshi Kitagawa, Gifu, JP;
Masaaki Noda, Gifu, JP;
Motoyoshi Kitagawa, Gifu, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A high frequency receiver capable of stably canceling interference by a transmission signal even if a transmission signal input from a TV antenna is changed. Phase shifter () for changing a phase of an interfering distributed transmission signal, detector () for detecting a level of a transmission signal included in a receive signal input via an antenna, and level regulator () for changing a level of the distributed transmission signal in accordance with this level are provided. A signal input via level regulator () and phase shifter () and a receive signal are synthesized to be input into mixer (). Since a transmission signal can be cancelled even if a transmission signal input from an antenna is changed, a high frequency receiver can receive a signal stably when a transmission signal is changed.