Inventor
KACHMARIK DAVID J
US27 patents
⚠️ This page may combine multiple inventors who share the name “KACHMARIK DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN ELECTRIC
26 patentsUS5488269AJan 30, 1996
Multi-resonant boost high power factor circuit
GEN ELECTRIC71 citations96
US5408403AApr 18, 1995
Power supply circuit with power factor correction
GEN ELECTRIC68 citations96
US6459215B1Oct 1, 2002
Integral lamp
GEN ELECTRIC62 citations95
US5917289AJun 29, 1999
Lamp ballast with triggerless starting circuit
GEN ELECTRIC28 citations92
US5723953AMar 3, 1998
High voltage IC-driven half-bridge gas discharge lamp ballast
GEN ELECTRIC22 citations92
US5719471AFeb 17, 1998
Three-way dimming circuit for compact fluorescent lamp
GEN ELECTRIC44 citations92
US6686705B2Feb 3, 2004
Ballast circuit with multiple inverters and dimming controller
GEN ELECTRIC22 citations91
US5807121ASep 15, 1998
Junction component for connecting the electrical leads of a printed circuit board and a separate electrical unit
GEN ELECTRIC21 citations91
US5703440ADec 30, 1997
Compact fluorescent lamp and ballast arrangement with inductor directly between lamp ends
GEN ELECTRIC34 citations91
US5629581AMay 13, 1997
Lamp cathode-to-ballast interconnect and method
GEN ELECTRIC34 citations91
US5712536AJan 27, 1998
Reduced bus voltage integrated boost high power factor circuit
GEN ELECTRIC47 citations90
US5691598ANov 25, 1997
Fluorescent lamp with thermal heat shield between lamp tube and ballast circuitry
GEN ELECTRIC23 citations90
US5719472AFeb 17, 1998
High voltage IC-driven half-bridge gas discharge ballast
GEN ELECTRIC18 citations84
US7772780B2Aug 10, 2010
Lamp igniter module and transformer carrier
GEN ELECTRIC9 citations77
US6525488B2Feb 25, 2003
Self-oscillating synchronous boost converter
GEN ELECTRIC9 citations74
US6465972B1Oct 15, 2002
Electronic elimination of striations in linear lamps
GEN ELECTRIC12 citations74
US6150769ANov 21, 2000
Gas discharge lamp ballast with tapless feedback circuit
GEN ELECTRIC8 citations74
US6057648AMay 2, 2000
Gas discharge lamp ballast with piezoelectric transformer
GEN ELECTRIC7 citations74
US5357173AOct 18, 1994
Ballast circuit arrangement for a high pressure sodium lamp
GEN ELECTRIC13 citations74
US5367228ANov 22, 1994
High-pressure sodium lamp control circuit providing constant peak current and color
GEN ELECTRIC12 citations73
US5483125AJan 9, 1996
Ballast circuit for a gas discharge lamp having a cathode pre-heat arrangement
GEN ELECTRIC10 citations72
US5914570AJun 22, 1999
Compact lamp circuit structure having an inverter/boaster combination that shares the use of a first n-channel MOSFET of substantially lower on resistance than its p-channel counterpart
GEN ELECTRIC5 citations63
US5357174AOct 18, 1994
Feedback-controlled circuit and method for powering a high intensity discharge lamp
GEN ELECTRIC5 citations63
US7102298B2Sep 5, 2006
Integral lamp
GEN ELECTRIC2 citations62
US6756746B2Jun 29, 2004
Method of delaying and sequencing the starting of inverters that ballast lamps
GEN ELECTRIC6 citations61
US6621238B2Sep 16, 2003
Power factor correction circuit with faster bus charging rate during startup
GEN ELECTRIC4 citations61