1
Michael F Jeffers, Jacob Shekel, Charles L Dages, Joseph Glaab: System arrangement for distribution and use of video games. Jerrold Electronics Corporation, Hopgood Calimafde Kalil Blaustein & Lieberman, January 27, 1981: US04247106 (198 worldwide citation)

An improved system arrangement for distributing and permitting use of an ensemble of program controlled television games includes head end apparatus for impressing an array of game-regulating programs onto an electronic distribution system, e.g., by time division multiplexing into an assigned freque ...


2
Joseph B Glaab, Michael F Jeffers: Television signal switching apparatus. Jerrold Electronics Corporation, Stephen B Judlowe, January 19, 1982: US04312016 (97 worldwide citation)

Switching apparatus for selectively applying either video game signals or conventional television program signals to a television receiver includes a pair of complementary filters to respectively pass and block the transmission of signals within a selected game-display channel. A switch may be selec ...


3
Michael F Jeffers: Amplifier circuit with distortion cancellation. General Instrument Corporation Jerrold Comminications, Marshall O Toole Gerstein Murray & Borun, November 2, 1993: US05258722 (14 worldwide citation)

A circuit for amplifying an input signal includes an output amplifier that develops an output signal including distortion at a first magnitude and phase displacement when a signal of a second magnitude is applied thereto and a further amplifier wherein the amplifiers have substantially identical gai ...


4
Michael F Jeffers: Method and apparatus for redundant communication of optical signals with distortion cancellation. General Instrument Corporation, Barry R Litsitz, June 30, 1992: US05126871 (11 worldwide citation)

A fiber optic communication system provides parallel paths to enable cancellation of even order harmonic distortion components. A pair of parallel optical fibers is provided. Each of the fibers is coupled to a corresponding transmitter at one end of the pair and to a corresponding receiver at the ot ...


5