Electromechanical door solenoid current surge booster circuit

Details Electromechanical door solenoid current surge booster circuit Electromechanical door solenoid current surge booster circuit

2011-01-04

2011-01-04

Estremsky, Gary (Department: 3677)

Closure fasteners

Bolts

Emergency operating means

C292S201000

Reexamination Certificate

active

07862091

ABSTRACT:
An apparatus, circuit and method for operating a solenoid-actuated electromechanical door latching mechanism that includes a capacitor to meet the power surge requirements needed to move a door latching mechanism. A power supply at one end of a transmission line is coupled with a capacitor adjacent the solenoid at the other end of the transmission line to reduce the need for a larger capacity power, heavy gauge transmission lines and increases the distance at which a power supply may be located from a door latching device.

REFERENCES:
patent: 3643479 (1972-02-01), Solow
patent: 4220022 (1980-09-01), Willach
patent: 5879036 (1999-03-01), Moline et al.

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