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| Number | Title | Issue Date |
| 6084946 | Qualifying a telephone line for digital transmission service A telephone wire pair is qualified for digital signal transmission by central office testing. The tip-to-ring capacitance of the wire pair is measured while applying an test signal in the 20-30 Hz range to the wire pair. The tip-to-ring capacitance is use... | 07/04/2000 |
| 5755749 | Change control method using three-dimensional 1/F fluctuation, recording medium storing the method, and change control device using three-dimensional 1/F fluctuation A method for controlling changes in stimulation of every sort and kind including electrical stimulation, utilizes a three-dimensional 1/f fluctuation. The method is a change control method for controlling changes in stimulation to an object using a three-... | 05/26/1998 |
| 5691744 | Processor system comprising a processor and a memory field for containing a computer interface Known processor systems comprising a processor and memory fields for containing computer interface profiles each having a number of elements each representing a function are static systems. The processor system according to the invention is a dynamic syst... | 11/25/1997 |
| 5659583 | Tone canceller for QAM demodulator Techniques in a QAM digital communication system for canceling one or more interference tones in an incoming signal to produce an output signal by generating an estimate of the interference tone during the current processing interval, subtracting the esti... | 08/19/1997 |
| 5617565 | Broadcast interactive multimedia system A procedure for selecting and storing data elements communicated from a common database to users of the database utilizing a communication link between each transmitter and a concomitant receiver accessible by the user. The transmitted information is augm... | 04/01/1997 |
