Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
Inventor
active
Electro-magnetic drive unit comprising a pivotable armature
Looking slide drive for a disc scanner
Optical scanning device
Optical scanning unit for reading information from an optical re
Swing-arm device for an optical scanning unit
No associations
LandOfFree
Johannes T. A. Van de Veerdonk does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Johannes T. A. Van de Veerdonk, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Johannes T. A. Van de Veerdonk will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-874357