Apparatus and method for instrumented radial translation of a read/write transducer at start-up of a rotating disk file
CA 1236570 A · Owner: Hitachi Global Storage Technologies Netherlands B.V. · Inventors: Cameron, Jay T.; Lee, Sylvia L.; Deckert, Kenneth L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The start-up of a rotating disk file is controlled by first moving the sliders (30, 32, 40 42) supporting, the read/write heads radially outwardly from the inside diameter (20) of the disks (10, 12, 14) by applying a voltage from voltage source (70) to voice coil motors (34, 44), sensing the position of the sliders (30 32, 40, 42) on the disk surfaces with a position sensor (80) initiating rotation of the disk drive motor (18) when the sliders (30, 32, 40, 42) have moved a dewetting distance and terminating radial translation of the sliders (30 32, 40, 42) when the disk drive motor (18) has reached operating speed and the sliders (30, 32 40, 42) are, riding on a bearing of air above the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 10, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2005.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.