Combination switching and display electronic modular control uni

Details Combination switching and display electronic modular control uni Combination switching and display electronic modular control uni

1982-02-19

1984-12-11

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340711, 34082556, 364149, 377112, G09G 300

Patent

active

044881487

ABSTRACT:
This invention relates to a modular electronic unit which provides a combined switching and display function for controlling equipment of all kinds. The unit may be used alone to control equipment as desired, or several such units may be combined to control several pieces of equipment with a single master unit, including a microcontroller which controls the master unit, plus several slave units. The unit of the invention uses a microcontroller in combination with a non-volatile random access memory to provide fully programmable switching codes and display messages. The unit of the invention may be included in new equipment or as a retrofit for existing equipment.

REFERENCES:
patent: 3594761 (1971-07-01), Boesen et al.
patent: 4193120 (1980-03-01), Yello
patent: 4274145 (1981-06-01), Hendricks et al.
patent: 4375651 (1983-03-01), Templin et al.
"A Low Cost, High Performance Digital TV Tuning System", IEEE Transactions On Consumer Electronics, Feb. 1977, Dreiske.

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