Supplemental dimming circuit for electronic LED driver
First Claim
1. A supplemental dimming circuit for an electronic led driver comprising a universal control section having:
- a. a VCC3 startup and low conduction period circuit for providing a current during start-up and during low conduction periods;
b. a CC hold current circuit for providing a hold current for the dimmer at low conduction periods;
c. a latch circuit for providing a current draw latch on;
d. a PWM synchronized dimming circuit for providing a PWM signal dependent on the conduction period of the dimmer in real time.
1 Assignment
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Accused Products
Abstract
A supplemental dimming circuit for an electronic led driver comprising a universal control section has a VCC3 startup and low conduction period circuit for providing a current during start-up and during low conduction periods; a CC hold current circuit for providing a hold current for the dimmer at low conduction periods; a latch circuit for providing a current draw latch on; and a PWM synchronized dimming circuit for providing a PWM signal dependent on the conduction period of the dimmer in real time. The supplemental dimming circuit also has a socket and a plug. The universal control section is on a daughter board that is pluggable to the socket. The VCC3 startup and low conduction period circuit creates a low AC voltage dummy load, which is a resistive load. The CC hold current circuit creates a low AC current dummy load that is a constant current load.
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Citations
16 Claims
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1. A supplemental dimming circuit for an electronic led driver comprising a universal control section having:
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a. a VCC3 startup and low conduction period circuit for providing a current during start-up and during low conduction periods; b. a CC hold current circuit for providing a hold current for the dimmer at low conduction periods; c. a latch circuit for providing a current draw latch on; d. a PWM synchronized dimming circuit for providing a PWM signal dependent on the conduction period of the dimmer in real time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification