Drive assembly for a covering of an architectural opening

Details Drive assembly for a covering of an architectural opening Drive assembly for a covering of an architectural opening

2006-01-10

2006-01-10

Masih, Karen (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

Radiant energy

C318S469000, C318S434000

Reexamination Certificate

active

06984951

ABSTRACT:
An electrically-operated architectural covering that can be powered by a low current or voltage source includes a motor, an accumulator connected to the motor, a power source, and an electrical circuit connecting the power source to the accumulator. The electrical circuit includes a step-up converter, which preferably includes an input terminal connected to the power source; an output terminal with a supply voltage connected to the accumulator; an inductive element; a first switch having a gate electrode for opening and closing of the switch when a control voltage of a first level is applied to the gate; and an oscillator.

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