ear coverage area antenna system for a CDMA communication systemUS5602874 *14 Feb 199511 Feb 1997Motorola, Inc.Method and apparatus for reducing quantization noiseUS5602903 *28 Sep 199411 Feb 1997Us West Technologies, Inc.Positioning system and methodUS5603113 *9 Feb 199511 Feb 1997Oki TelecomAutomatic gain control circuit for both receiver and transmitter adjustable amplifiers including a linear