Telephonic communications
Supervisory or control line signaling
Signal reception at substation
Inventor
active
Circuit utilizing open-base transistor as leakage bypass device
Integrated circuit interface stage for high noise environment
Integrated circuit overvoltage protection circuit
Telephone caller screening device
Telephone ring signal detector
No associations
LandOfFree
William Folsom Davis does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with William Folsom Davis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and William Folsom Davis will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-404257