Inventor

DRAPER WILLIAM A

US7 patents

⚠️ This page may combine multiple inventors who share the name “DRAPER WILLIAM A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DRAPER WILLIAM A

3 patents

US8482223B2Jul 9, 2013

Calibration of lamps

DRAPER WILLIAM A27 citations90

US8487591B1Jul 16, 2013

Power control system with power drop out immunity and uncompromised startup time

DRAPER WILLIAM A10 citations82

US9155174B2Oct 6, 2015

Phase control dimming compatible lighting systems

DRAPER WILLIAM A15 citations78

CIRRUS LOGIC INC

1 patent

US8362707B2Jan 29, 2013

Light emitting diode based lighting system with time division ambient light feedback response

CIRRUS LOGIC INC90 citations97

HE ZHAOHUI

1 patent

US9307601B2Apr 5, 2016

Input voltage sensing for a switching power converter and a triac-based dimmer

HE ZHAOHUI4 citations70

GRISAMORE ROBERT T

1 patent

US8680771B2Mar 25, 2014

Controller customization system with phase cut angle communication customization data encoding

GRISAMORE ROBERT T3 citations61

KONINKLIJKE PHILIPS NV

1 patent

US9515485B1Dec 6, 2016

Power control system with power drop out immunity and uncompromised startup time

KONINKLIJKE PHILIPS NV0 citations51