1
Charles H Hustig, Jeffrey L Ward, Donald W Moses, Robert S Bradford: Data and voice communications system. Applied Spectrum Technologies, Dorsey & Whitney, June 9, 1987: US04672605 (365 worldwide citation)

A high speed and relatively error free communications system is disclosed which enables the high speed transmission of data at a 19.2 kilobit per second rate. The data is transmitted over the same communications medium as voice transmissions, the data transmission being virtually imperceptible to th ...


2
Donald W Moses, Charles Hustig, C Ray Ballard: Simultaneous transmission of two information signals within a band-limited communications channel. Applied Spectrum Technologies, Dorsey & Whitney, January 10, 1984: US04425642 (328 worldwide citation)

A co-channel communications system is disclosed which permits a digital data signal to be simultaneously transmitted with a communications medium signal such as telephone voice or television video. The data signal or signals are converted into very low multifrequency signals consisting of fundamenta ...


3
Donald W Moses: Simultaneous transmission of data and audio signals by means of perceptual coding. Warren B Kice, David L McCombs, Brandi W Sarfatis, April 4, 1995: US05404377 (247 worldwide citation)

A communication system for simultaneously transmitting data and audio signals via a conventional audio communications channel using perceptual coding techniques is disclosed. In a preferred embodiment, a first artificial neural network (NN) at an encoder monitors an audio channel to detect "opportun ...


4
Donald W Moses: Simultaneous transmission of data and audio signals by means of perceptual coding. Haynes and Boone, December 5, 1995: US05473631 (216 worldwide citation)

A communication system for simultaneously transmitting data and audio signals via a conventional audio communications channel using perceptual coding techniques Is disclosed. In a preferred embodiment, a first artificial neural network (NN) at an encoder monitors an audio channel to detect "opportun ...


5
Donald W Moses, Robert Moses, James W Kinne, Charles H Hustig, Wayne P Olson, Alan M Doberstein, Robert S Bradford: Bi-directional data telemetry system. Applied Spectrum Technologies, Dorsey & Whitney, February 9, 1988: US04724435 (201 worldwide citation)

The data telemetry system disclosed is a complete data communications systems suitable for use by utilities such as electric companies, gas companies and water companies which can be used for meter reading and load management at individual subscribers premises. Elements of the system can also be use ...


6
Donald W Moses, Charles Hustig, C Ray Ballard: Data under voice communications system. Applied Spectrum Technologies, Dorsey & Whitney, January 10, 1984: US04425661 (168 worldwide citation)

A communications system capable of simultaneously transmitting voice and data information. The spectral energy of the data signal is smeared by spreading it in a spectrum with energy packed in the lower frequency range under the conventional voice signal frequency in a manner which complements the s ...


7
Donald W Moses, Charles Hustig, C Ray Ballard: Telephone line interface circuit. Applied Spectrum Technologies, Dorsey & Whitney, February 21, 1984: US04433212 (80 worldwide citation)

A circuit for coupling digital or analog data signals to a telephone line. A direct coupled transistorized circuit is disclosed having three different impedance conditions: on-hook, off-hook, and loop-test. Consequently, data can be transmitted regardless of the on-hook or off-hook status of the ass ...


8
Donald W Moses, Robert W Moses: System for providing a digital watermark in an audio signal. Intel Corporation, Blakely Sokoloff Taylor & Zafman, May 27, 2003: US06571144 (78 worldwide citation)

The foregoing problems are solved and a technical advance is achieved by a computer-implemented system for providing a digital watermark in an audio signal. In a preferred embodiment, a audio file, such as a .WAV file, representing an audio signal to be watermarked is preprocessed using an algorithm ...


9
Donald W Moses: Digital subscriber communication system. Seismograph Service Corporation, Dorsey & Whitney, June 28, 1983: US04390986 (43 worldwide citation)

A digital subscriber communications system for transmitting voice and data information is disclosed. The signal transmissions, on any suitable medium, are in an optimized sixteen bit per frame format with a framing bit in each frame. The framing bit is detected with unique circuitry and used to phas ...


10
Donald W Moses, Charles H Hustig, James Kinne, Hossein L Najafi: Dynamic digital filter using neural networks. Wadia Digital Corporation, Dorsey & Whitney, July 2, 1996: US05532950 (22 worldwide citation)

The present invention provides an apparatus for decoding and classifying a digital audio input signal and for reconstructing the digital audio input signal, so that when the reconstructed signal is converted to an analog signal by a digital to analog converter ("DAC"), the analog signal can drive a ...



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