78093837
Nov 16, 2001
Sep 20, 2005
Audio apparatus and electronic equipment for converting signals and formats, namely, analog to digital and digital to analog converters, analog to USB (Universal Serial Bus) converters, analog to IEEE1394 converters, digital format converters, digital recording and processing devices, namely, computer terminal emulators, digital signal processors (DSPs), microphone pre-amplifiers, audio filters, digital and analog and digital processors
Electrical and Scientific Apparatus