1
Ralph P Harney, Stanley E Guif: Catv sine wave coding system. Oak, Kinzer Plyer Dorn & McEachran, May 17, 1977: US04024575 (122 worldwide citation)

A means for decoding a generally constant frequency sine wave scrambled television signal uses an automatic gain control circuit in a closed loop. The scrambling, applied at the head end of the television system, applies a greater scrambling level to the audio carrier than it does to the video carri ...


2
Ralph P Harney, Michael L Hightower, Anthony J Wechselberger: Universal decoder. OCI Communcations, Kinzer Plyer Dorn McEachran & Jambor, May 12, 1992: US05113440 (28 worldwide citation)

A microprocessor based decoder module for television video signals which have been encoded by suppressing sync pulses and/or inverting picture video. The decoder modules generates sync restoration gates and/or video inversion gates developed from timing signals present in the VBI of the encoded vide ...


3
Ralph P Harney, Clifford E Mensing: Data entry system for micro-computer based controllers. Intermatic Incorporated, McCaleb Lucas & Brugman, June 12, 1984: US04454505 (6 worldwide citation)

A simplified data entry system, particularly for a lawn sprinkler timer, employing three data entry push buttons cooperative with a multiple position mode switch having manual selector controls operable to present various program modes or segments and associated display legends, one by one, to a dat ...