ymbol Technologies, Inc.Combined biometric reader/RFID circuitUS6677852Sep 22, 1999Jan 13, 2004Intermec Ip Corp.System and method for automatically controlling or configuring a device, such as an RFID readerUS6687293Jun 23, 2000Feb 3, 2004Microchip Technology IncorporatedMethod, system and apparatus for calibrating a pulse position modulation (PPM) decoder to a PPM signalUS6693539Nov 29, 2000Feb 1