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| Number | Title | Issue Date |
| 7957370 | Synchronous read channel A synchronous read channel having a single chip integrated circuit digital portion which provides digital gain control, timing recovery, equalization, digital peak detection, sequence detection, RLL(1,7) encoding and decoding, error-tolerant synchronization and chan... | 06/07/2011 |
| 7885255 | Synchronous read channel A synchronous read channel having a single chip integrated circuit digital portion which provides digital gain control, timing recovery, equalization, digital peak detection, sequence detection, RLL(1,7) encoding and decoding, error-tolerant synchronization and chan... | 02/08/2011 |
| 7379452 | Synchronous read channel A synchronous read channel having a single chip integrated circuit digital portion which provides digital gain control, timing recovery, equalization, digital peak detection, sequence detection, RLL(l,7) encoding and decoding, error-tolerant synchronization and chan... | 05/27/2008 |
| 6021011 | Synchronous read channel employing a digital center frequency setting for a variable frequency oscillator in discrete time timing recovery A synchronous read channel is disclosed which samples an analog read signal from a magnetic read head positioned over a magnetic disk medium, filters the sample values according to a desired partial response, extracts timing information from the filtered ... | 02/01/2000 |
| 5978162 | Synchronous read channel integrated circuit employing a channel quality circuit for calibration A synchronous read channel is disclosed which samples an analog read signal from a magnetic read head positioned over a magnetic disk medium, filters the sample values according to a desired partial response, extracts timing information from the filtered ... | 11/02/1999 |
| 5966257 | Synchronous read channel integrated circuit employing discrete time timing recovery A synchronous read channel is disclosed which samples an analog read signal from a magnetic read head positioned over a magnetic disk medium, filters the sample values according to a partial response of the form (1-D)(1+D)n where n>1, extracts ... | 10/12/1999 |
| 5844738 | Synchronous read channel employing a sequence detector with programmable detector levels A synchronous read channel is disclosed which samples an analog read signal from a magnetic read head positioned over a magnetic disk medium, filters the sample values according to a desired partial response, extracts timing information from the filtered ... | 12/01/1998 |
| 5761212 | Channel quality A measurement circuit is provided to obtain data for monitoring the quality of performance from a digital read channel. Elements of the digital read channel including a sequence detector are incorporated into an integrated circuit together with the measur... | 06/02/1998 |
