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| Number | Title | Issue Date |
| 5903819 | Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal A noise suppressor, and associated method, suppresses periodic noise components of a communication signal. The period of the periodic noise components of the communication signal is determined by correlating the communication signal with the communication... | 05/11/1999 |
| 5752204 | Antenna assembly for radiotelephonic device An antenna assembly, and an associated method, facilitates communication of a radiotelephone operable in a satellite communication system, such as a satellite-cellular communication system. A patch antenna is rotatably coupled to a radiotelephonic housing... | 05/12/1998 |
| 5740537 | Method and circuitry for selectively permitting communication in a multi-user communication system Circuitry, and an associated method for a multi-user communication system, such as a cellular communication system. Additional communication is selectively permitted in the communication system through operation of the circuitry. Levels of communication q... | 04/14/1998 |
