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:
Sep. 18, 2012
Filed:
Apr. 26, 2011
Jun Kyung NA, Gyunggi-do, KR;
Youn Suk Kim, Gyunggi-do, KR;
Sang Hoon Ha, Gyunggi-do, KR;
Shinichi Iizuka, Gyunggi-do, KR;
Sang Wook Park, Gyunggi-do, KR;
Jun Kyung Na, Gyunggi-do, KR;
Youn Suk Kim, Gyunggi-do, KR;
Sang Hoon Ha, Gyunggi-do, KR;
Shinichi Iizuka, Gyunggi-do, KR;
Sang Wook Park, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Gyunggi-do, KR;
Abstract
There is provided a power amplifying apparatus including: a power amplifier; a power regulator providing a driving voltage and a driving current corresponding to a control voltage to the power amplifier; a current sensing unit sensing a current and a voltage corresponding to the driving current and controlling the driving voltage according to the sensed current; a current control unit controlling a current bias according to the sensed voltage of the current sensing unit; and a current bias circuit unit controlling a bias current of the power amplifier according to the controlling of the current control unit.