Electric lamp and discharge devices
With optical device or special ray transmissive envelope
Polarizer or special ray transmission
Inventor
active
Filament switching device
Incandescent light source with transparent heat mirror
Multifilament bulb with filament switching device
Single supply direct drive amplifier
No associations
LandOfFree
Ronald Koo does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Ronald Koo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ronald Koo will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-954851