Inventor · disambiguated record
William A. Buchan
Also filed as: BUCHAN WILLIAM · BUCHAN WILLIAM A
17 granted patents·395 citations·filing 1974–2006
95Inventor score
Top patents by PatentIndex Score
17 records- 0196US7755863B2Adjacent track readersQUANTUM CORP·Filed 2006·Granted Jul 13, 2010·73 cites·36 claims
- 0291US4644420ACircuit and methodology for reading and tracking binary data from magnetic tape independently of the data pattern on the tapeARCHIVE CORP·Filed 1984·Granted Feb 17, 1987·39 cites·20 claims
- 0387US5006819ATrack and hold phase locked loop circuitARCHIVE CORP·Filed 1990·Granted Apr 9, 1991·66 cites·11 claims
- 0484US4466027ADigital tape erasure conditioning systemARCHIVE CORP·Filed 1981·Granted Aug 14, 1984·27 cites·13 claims
- 0582US6061199AMethod and arrangement for servoing and formatting magnetic recording tapeSEAGATE TECHNOLOGY·Filed 1999·Granted May 9, 2000·28 cites·8 claims
- 0681US3959815AArrangements for time base error compensationBASF AG·Filed 1974·Granted May 25, 1976·23 cites·6 claims
- 0779US5796537AMethod and arrangement for servoing and formatting magnetic recording tapeSEAGATE TECHNOLOGY·Filed 1995·Granted Aug 18, 1998·26 cites·8 claims
- 0875US3947873AMethod and circuit for detecting and compensating for drop-out and distortion of frequency modulated video signalsBASF AG·Filed 1974·Granted Mar 30, 1976·17 cites·4 claims
- 0972US5255130AAdjustable write equalization for tape drivesARCHIVE CORP·Filed 1991·Granted Oct 19, 1993·23 cites·14 claims
- 1071US4090215AElectronic time base error correction methods and arrangementsBASF AG·Filed 1976·Granted May 16, 1978·19 cites·26 claims
- 1170US5001580AMethod to compensate for tape slope and head azimuth errorsARCHIVE CORP·Filed 1989·Granted Mar 19, 1991·17 cites·6 claims
- 1263US5675447AMethod and arrangement for initiating search for start of data in arcuately recorded data tracksSEAGATE TECHNOLOGY·Filed 1995·Granted Oct 7, 1997·16 cites·6 claims
- 1362US5267096AAdjustable write equalization for tape drivesARCHIVE CORP·Filed 1992·Granted Nov 30, 1993·15 cites·10 claims
- 1439US4123773AServo arrangement for the recording tape drive in broadband signal reproducing systemsBASF AG·Filed 1977·Granted Oct 31, 1978·5 cites·13 claims
- 1533US6031681AMethod and arrangement for servoing and formatting magnetic recording tapeSEAGATE TECHNOLOGY·Filed 1998·Granted Feb 29, 2000·1 cites·14 claims
- 1630US4082237ASafety picker for magnetic tape leaderBASF AG·Filed 1977·Granted Apr 4, 1978·0 cites·7 claims
- 1719US5532886AData stream smoothing method and circuit for a tape driveCONNER PERIPHERALS INC·Filed 1992·Granted Jul 2, 1996·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →