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:
Apr. 29, 2008
Filed:
Oct. 14, 2004
Yoshihisa Amano, Nara, JP;
Yoshihisa Amano, Nara, JP;
Sharp Kabushiki Kaisha, Osaka-shi, JP;
Abstract
In the radio communication device of the present invention, a first carrier transmission modulation wave outputted from a first signal generatoris amplified by a first power amplifierand transmitted from a first antenna elementthrough a first duplexer. A second carrier transmission modulation wave outputted from a second signal generatoris amplified by a second power amplifierand transmitted from a second antenna elementthrough a second duplexer. Then, transmission modulation waves with the first and second carriers are subjected to spatial power combining after being transmitted from the two antenna elementsandthat permit diversity reception. As a result, the radio communication device, which uses two or more carriers (carrier waves), can achieve highly efficient power amplification with a small-sized low-cost circuit means.