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:
Mar. 15, 2005
Filed:
May. 07, 2003
Bong Soo Jeong, Incheon, KR;
Bong Soo Jeong, Incheon, KR;
PULSUS Technologies, Seoul, KR;
Abstract
Disclosed is a demodulation apparatus for a digital audio amplifier capable of solving a space, cost and heat generation of the digital audio amplifier. The demodulation apparatus includes a first inductor connected between a positive digital audio signal output terminal and one end of a load, a second inductor connected between a negative digital audio signal output terminal and the other end of the load, and magnetically coupled to the first inductor, a first capacitor connected between the one end of the load and ground and coupled to the first inductor for serving as a low-pass filter, and a second capacitor connected between the other end of the load and ground and connected to the second inductor for serving as a low-pass filter.