Audio microphone system with digital output and volume control f
Audio muting circuit and audio muting method
Audio processing system
Audio receiver and detachable battery pack
Audio signal editing device for use with a television
Auto gain controller and control method thereof
Auto tuning apparatus
Auto tuning receiver with a tuning information memory
Auto-scan changeover system for two-band radio receiver employin
Auto-selecting circuit of an intermediate frequency
Auto-tuning amplifier
Auto-tuning system for an on-chip RF filter
Autodyne receiver
Automated system and method for optimizing receive system perfor
Automated system for testing radio receivers
Automatic adapt circuit for circumventing demodulator...
Automatic adjusting circuit for an analog filter
Automatic adjustment radio apparatus
Automatic AFT defeat circuit
Automatic air/cable mode selection apparatus for a television tu