Communications – electrical: acoustic wave systems and devices – Transponders – With plurality of transponders
Patent
1989-03-16
1991-04-16
Pihulic, Daniel T.
Communications, electrical: acoustic wave systems and devices
Transponders
With plurality of transponders
H04B 159
Patent
active
050088602
ABSTRACT:
A position and velocity determining system, that uses two functioned receiver-transmitters. In performing a first function, each receiver-transmitter transmits an acoustic pulse at a unique frequency, in response to a first received accoustic pulse. In performing a second function, each receiver-transmitter transmits a continuous acoustic signal at a unique frequency, in response to a second received acoustic pulse.
REFERENCES:
patent: 4176338 (1979-11-01), Spindel et al.
patent: 4214314 (1980-07-01), Spiess et al.
Buffman Martin
Cyr Reginald J.
Riley Thomas P.
Pihulic Daniel T.
Tarlano John P.
United States of America
Wohlfarth Robert M.
LandOfFree
Position and velocity measuring system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Position and velocity measuring system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Position and velocity measuring system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-426441