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:
Jan. 17, 2012
Filed:
Apr. 29, 2010
Joong Jin Nam, Seoul, KR;
Youn Suk Kim, Gyunggi-do, KR;
Hyo Gun Bae, Seoul, KR;
Jae Hyouck Choi, Gyunggi-do, KR;
Jun Goo Won, Gyunggi-do, KR;
Young Jean Song, Gyunggi-do, KR;
Ki Joong Kim, Gyunggi-do, KR;
Sang Hee Kim, Gyunggi-do, KR;
Joong Jin Nam, Seoul, KR;
Youn Suk Kim, Gyunggi-do, KR;
Hyo Gun Bae, Seoul, KR;
Jae Hyouck Choi, Gyunggi-do, KR;
Jun Goo Won, Gyunggi-do, KR;
Young Jean Song, Gyunggi-do, KR;
Ki Joong Kim, Gyunggi-do, KR;
Sang Hee Kim, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Gyunggi-Do, KR;
Abstract
Disclosed herein is a power amplifier. The power amplifier includes N power amplification means, a transformer, and a harmonic elimination unit. Each of the N power amplification means amplifies an input signal into a predetermined level. The transformer includes N/2 primary windings respectively connected to the output terminals of the power amplification means and a secondary winding configured such that coil elements are connected in series between an output terminal and a ground, and sums power transmitted from the primary windings. The harmonic elimination unit is disposed across both ends of the secondary winding of the transformer, and eliminates the output of the harmonic frequencies of a preset frequency.