| Patent Number |
Title Of Patent |
Date Issued |
| 7372791 |
Recording/reproducing apparatus and cross talk cancel method |
May 13, 2008 |
| The present invention is directed to a recording/reproducing apparatus having a Read After Write function which simultaneously performs recording operation and reproduction operation, and is such that, in a reproducing system (120) of a tape streamer (100) which performs Read After W |
| 6996168 |
Signal-processing circuit, and recording and playback apparatus employing the same |
February 7, 2006 |
| A signal-processing circuit in which two-stage equalization is performed by using first and second equalization circuits provided on upstream and downstream sides from a phase-locked loop circuit, respectively, the first equalization circuit on the upstream side including a transversal |
| 6954334 |
Magnetic head and rotary head drum device |
October 11, 2005 |
| A magnetic head mounted on a rotary head drum device comprises a head chip, and a magnetic shield disposed to surround all or a part of the surfaces other than a front surface of the head chip. The magnetic shield comprises a magnetic flux absorber made of ferrite and an electromagnetic |
| 6134691 |
NLTS correction circuit |
October 17, 2000 |
| An NLTS (non-linear transition shift) correction circuit for hard disk drives improves flexibility in modifying algorithm of the data pattern analysis utilized therein and NLTS correction precision thereof. The NLTS correction circuit of the present invention uses a data pattern analyzer |
| 6127869 |
Circuit for calibrating delay lines and method |
October 3, 2000 |
| A circuit for calibration of the NLTS correction value provided for the NLTS correction circuit to realize its high precision of the amount of the NLTS correction. The circuit for calibrating the NLTS correction value of the present invention comprises a duty cycle-voltage converter (D/V |
| 6124997 |
Data reproducing apparatus equipped with adaptive processing circuit |
September 26, 2000 |
| In a data reproducing apparatus compatibility among plural recording media can be improved. In the data reproducing apparatus, the latest tap coefficient is stored as a tap coefficient in a transversal filter during the normal reproducing operation. This latest tap coefficient is used as |
