System for controlling terminal equipment

Details System for controlling terminal equipment System for controlling terminal equipment

1991-09-20

1993-02-23

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082557, 34082563, G05B 2300

Patent

active

051894092

ABSTRACT:
A terminal equipment control system which controls the operation state of multiple terminals having data communication with master equipment. A control signal of a specified duration is output from the master equipment to each of a plurality of multiple terminals, and the duration of the each control signal is measured by a measuring device provided in each terminal such that the current operation state of each terminal is changed when the measurement by the measuring device becomes equal to or larger than the specified duration.

REFERENCES:
patent: 3187234 (1965-06-01), Muranak et al.
patent: 3511923 (1970-05-01), Ameau
patent: 3671939 (1972-06-01), Trimble
patent: 4430652 (1984-02-01), Rothenbuhler et al.
patent: 4652875 (1987-03-01), Waki
patent: 4668949 (1987-05-01), Akahori et al.
patent: 4794371 (1988-12-01), Yamamoto
patent: 4873518 (1989-10-01), Mehnert
Patent Abstracts of Japan, vol. 8, No. 49, Mar. 6, 1984 containing Abstract of Japanese Doc. 58-201450 dated Nov. 24, 1983.
Funkschau, vol. 12, 1980, pp. 101-102.

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