Electronic device for controlling actuators

Details Electronic device for controlling actuators Electronic device for controlling actuators

2005-02-01

2009-08-25

Leja, Ronald W (Department: 2836)

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

Reexamination Certificate

active

07580236

ABSTRACT:
A device (1) for controlling inductive loads (111, 112), includes:several control stages (321, 322) having a bonding pad (331, 332) for an inductive load (321, 322), a receive input (301, 302) for a conduction activate signal, a switch (121, 122) including control and output electrodes;an enabling circuit (181, 182) measuring the voltage applied to the pad (331, 332) and generating an enabling signal;a conduction re-activate circuit (2) common to the control stages, limiting the voltage on the pad of the various stages to a common level and applying a conduction activate signal to the control electrode of a switch when the enabling signal is generated. The device can be used in particular to ensure an identical duration of supply to loads connected to the bonding pad.

REFERENCES:
patent: 5936827 (1999-08-01), Dressler et al.
patent: 7057870 (2006-06-01), Meyer et al.
patent: 37 02 680 (1987-10-01), None
patent: 1 260 694 (2002-11-01), None
patent: 2004-011494 (2004-01-01), None

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