公开(公告)号：US07095862B2

公开(公告)日：2006-08-22

申请号：US10062950

申请日：2002-01-31

Applicant: Richard Stinnett ,  Albert Ray Trussell ,  Russell D. Bellin

Inventor： Richard Stinnett ,  Albert Ray Trussell ,  Russell D. Bellin

IPC: H03F21/00

CPC classification number: H03F1/52 ,  H03F3/68

Abstract: A compact portable stereo headphone amplifier system for use with a conventional stereo audio source, such as a cassette or compact disc player, in which components are located on both sides of a circuit board and in which left channel components and right channel components are located on opposite sides of the circuit board thereby providing a compact unit.