Tape surface constraint of lateral transients
US6754033B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2000 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Jul 30, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B15/605
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A tape movement constraint is provided for a tape drive system which moves a tape longitudinally along a tape path across a tape head, the tape having longitudinal tracks. The tape head has a track following servo system for moving the head laterally for following lateral movement of the tracks, where the tape is subject to lateral transient movement. A tape roller bearing closely adjacent the tape head is rotatable about a central axis parallel to the cylindrical peripheral surface, allowing the tape freedom of movement in the longitudinal direction. The tape roller bearing has a frictional cylindrical peripheral surface for contacting and engaging the surface of the tape and constraining movement of the tape in the lateral direction, thereby reducing the rate of the lateral transient movement of the tape to allow the track following servo system to follow the reduced rate lateral transient movement of the longitudinal tracks. Any potential air bearing that could form between the surface of the tape and the surface of the roller bearing is collapsed to insure that the roller bearing frictionally contacts and engages the surface of the tape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.