Inventor · disambiguated record
David R. Rodal
Also filed as: RODAL DAVID · RODAL DAVID R
13 granted patents·268 citations·filing 1977–1992
93Inventor score
Top patents by PatentIndex Score
13 records- 0189US4481449APower fail servo systemAMPEX·Filed 1982·Granted Nov 6, 1984·36 cites·24 claims
- 0288US4767970ADynamic brake control for a tape drive systemAMPEX·Filed 1986·Granted Aug 30, 1988·38 cites·18 claims
- 0381US5255257AFrequency, phase and amplitude control apparatus and method for acousto-optic deflector optimizationLASERTAPE SYSTEMS INC·Filed 1992·Granted Oct 19, 1993·43 cites·43 claims
- 0477US4169276ADrive circuit for controlling a movable magnetic headAMPEX·Filed 1977·Granted Sep 25, 1979·18 cites·11 claims
- 0576US4749927AAdaptive digitally controlled motor drive system and methodAMPEX·Filed 1986·Granted Jun 7, 1988·35 cites·14 claims
- 0673US4672474ASynthetic control track signal producing apparatus for video tape machinesAMPEX·Filed 1985·Granted Jun 9, 1987·19 cites·32 claims
- 0770US4739948AReel servo control with resonance damping circuitAMPEX·Filed 1986·Granted Apr 26, 1988·18 cites·11 claims
- 0870US4730108AAmbient light insensitive circuit with frequency matchingAMPEX·Filed 1986·Granted Mar 8, 1988·16 cites·11 claims
- 0960US4800450AMethod and apparatus for controlling deployment of a tape transport memberAMPEX·Filed 1986·Granted Jan 24, 1989·11 cites·23 claims
- 1056US4679098AVideo tape transport servo for variable tape speed controlAMPEX·Filed 1986·Granted Jul 7, 1987·10 cites·12 claims
- 1155US5248112ATape transport control system with a feedforward capstan drive to the reel motorsAMPEX SYSTEMS CORP·Filed 1990·Granted Sep 28, 1993·11 cites·16 claims
- 1244US4866547ACircuit for detecting the end of a tape by counting reel revolutionsRODAL DAVID R·Filed 1988·Granted Sep 12, 1989·7 cites·20 claims
- 1344US4751586ARotary head tape transport servo system having high speed servo lock capabilityAMPEX·Filed 1986·Granted Jun 14, 1988·6 cites·25 claims
Join the waitlist — get patent alerts
Get an alert when David R. Rodal files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →