Electric lamp and discharge devices: systems – With radiant energy sensitive control means
Reexamination Certificate
2011-01-18
2011-01-18
Owens, Douglas W (Department: 2821)
Electric lamp and discharge devices: systems
With radiant energy sensitive control means
C315S158000, C315S291000
Reexamination Certificate
active
07872423
ABSTRACT:
A load control device for controlling the amount of power delivered from an AC power source to an electrical load comprises a rotary actuator, such as a rotary knob or a rotary wheel. The load control device increases and decreases the amount of power delivered to the electrical load in response to rotations of the rotary knob in first and second directions, respectively. The load control device accelerates the rate of change of the amount of power delivered to the load in response to the angular velocity of the rotary actuator. The load control device generates a ratcheting sound when the rotary actuator is rotated in the first direction at a high-end intensity of the load control device. The load control device is operable to control the electrical load in response to both actuations of the rotary actuator and digital messages received via a communication link.
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European Patent Office, International Search Report and Written Opinion for International Patent Application No. PCT/US2009/001041, Nov. 17, 2009, 18 pages.
Biery Ethan Charles
Flowers Maureen E.
Knode Galen Edgar
Lopez Clive Elton
Spira Joel S.
Le Tung X
Lutron Electronics Co. Inc.
Owens Douglas W
Rose Mark E.
Smith Philip N.
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