Thomas W Getzinger, Hans L Habereder, R Loyd Harrison, Donald M Hopp, David L Mitchell, Chao Kuang Pian, John A Propster: Data flow signal processor method and apparatus. Hughes Aircraft Company, Wanda K Denson Low, November 20, 1990: US04972314 (151 worldwide citation)

A single instruction stream multiple data steam data flow signal processor and method for implementing macro data flow control, in which a plurality of data processors have contentionless access to global memory data. Data processing tasks for the data processors, such as primitive executions togeth ...

John A Propster, John H Rowan: Modular programmable signal processor. Hughes Aircraft Company, W J Adam, E F Oberheim, A W Karambelas, September 10, 1985: US04541048 (62 worldwide citation)

A signal processing system that has an improved modular architecture so that a selected number of arithmetic element (AE) units may be utilized with a single arithmetic element controller (AEC) unit to provide a system that can be readily expanded or decreased on computational ability. All of the AE ...

Barry E Williams, Norol T Evans, John A Propster: Signal skimming system. Hughes Aircraft Company, Robert Thompson, A W Karambelas, December 20, 1983: US04422074 (2 worldwide citation)

1. A system responsive to a composite signal including first signals in the presence of second signals and detecting the presence of said first signals with a selected threshold level ratio of signal voltage to noise voltage comprising