| Patent No. | Patent Title: |
| 5815585 | Adaptive arrangement for correcting the transfer characteristic o... |
| 5757930 | Apparatus and method for testing attenuation of in-use insert hea... |
| 5745580 | Reduction of computational burden of adaptively updating control ... |
| 5703956 | External memory control circuit for sound field processing digita... |
| 5673323 | Analog spread spectrum wireless speaker system |
| 5666426 | Automatic volume control to compensate for ambient noise variatio... |
| 5633938 | Audio track mixing processor |
| 5619577 | Transmission system, and a transmitter and a receiver for use in ... |
| 5619581 | Active noise and vibration cancellation system |
| 5610986 | Linear-matrix audio-imaging system and image analyzer |
| 5610991 | Noise reduction system and device, and a mobile radio station |
| 5606619 | Circuit arrangement for deriving a signal indicating noise in a r... |
| 5606625 | Digital circuit to regulate the gain of an amplifier stage |
| 5604811 | Stethoscope and headset system |
| 5602923 | Theater sound system with upper surround channels |
| 5598175 | Display apparatus for vehicle |
| 5596649 | Sound concentrator for selectively collecting sound and concentra... |
| 5596645 | Sound image localization control device for controlling sound ima... |
| 5590203 | Pilot signal detection circuit |
| 5586192 | Method of and device for detecting pulsatory interference signals... |
| 5583943 | Active noise control system with detouring sound apparatus |
| 5583942 | Device of the dummy head type for recording sound |
| 5581621 | Automatic adjustment system and automatic adjustment method for a... |
| 5581617 | System for short-range transmission of signals over the air using... |
| 5579397 | Amplifier device for a condenser microphone |
| 5579396 | Surround signal processing apparatus |
| 5577126 | Overload protection circuit for transducers |
| 5574792 | Volume and tone control circuit for acoustic reproduction sets |
| 5572592 | Remote control audio apparatus for hunters |
| 5570425 | Transducer daisy chain |
| 5570114 | Control panel illumination |
| 5557340 | Noise reduction in video signals |
| 5557682 | Multi-filter-set active adaptive control system |
| 5557680 | Loudspeaker system for producing multiple sound images within a ... |
| 5557683 | In-vehicle drum simulator and mixer |
| 5546468 | Portable speaker and amplifier unit |
| 5541999 | Audio apparatus having a karaoke function |
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| 5539476 | Color signal processing with luminance signal correction |
| 5537131 | Character generating method and apparatus |
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