Method of and apparatus for controlling a plurality of mutually

Details Method of and apparatus for controlling a plurality of mutually Method of and apparatus for controlling a plurality of mutually

1997-03-31

2000-01-11

Gaffin, Jeffrey

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

307117, 70264, H02H 504

Patent

active

060143045

ABSTRACT:
The invention relates to a method of and an apparatus for controlling a plurality of mutually communicating actuators, each of the actuators having at least one signal sensor for determining the state of the actuator, with at least one control apparatus generating, in accordance with the state of at least one of the actuators, control signals used for driving controllers of the actuators. In order to avoid overheating of the individual actuators or the control apparatus in case of a large number of actuations by a user, it is provided to determine the temperature of the actuators and the control apparatus cooperating with the actuators and, in case a predetermined temperature threshold value is exceeded in an actuator or the control apparatus, to generate a control signal for non-driving the controllers of the actuators until the excessive temperature detected drops below the temperature threshold value by a defined temperature value. Preferably, a safety actuation of the actuators is possible after the temperature threshold value has been exceeded.

REFERENCES:
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patent: 5101315 (1992-03-01), Ishikawa et al.
patent: 5369584 (1994-11-01), Kajiwara
patent: 5397923 (1995-03-01), Christensen
patent: 5414416 (1995-05-01), Yamakita et al.
patent: 5762384 (1998-06-01), Bartel

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