04783705 is referenced by 118 patents and cites 6 patents.

A disk data storage subsystem includes a head and disk assembly. A plurality of sectors in data tracks include a servo portion containing a prerecorded pattern of a plurality of repeating, time staggered, non-phase-coherent bursts, each burst having a predetermined integral fraction radial offset relative to the other bursts. The head is positionable relative to the tracks by a voice coil in response to information derived from a servo portion, a programmed microcontroller supervisor receives operational data storage and retrieval commands from a host system with which the subsystem is operationally associated and controls the position of the head during track seeking and following operations in response to servo information read by the head from each servo portion and further in response to the commands, an interface, with an SCSI interface controller, under the control of the microcontroller supervisor receives the commands and data blocks from the host system and for sending commands, status words and data blocks to the host system, a data sequencer and memory controller under the control of the microcontroller manages flow of data blocks to and from the disk via the head.

Title
High capacity disk file with embedded sector servo and SCSI interface
Application Number
834009
Publication Number
4783705
Application Date
May 19, 1987
Publication Date
November 8, 1988
Inventor
Hoa V Luong
Milpitas
CA, US
Tuong T Quan
San Jose
CA, US
Steven G Campbell
San Jose
CA, US
Gregg J Uhlendorf
San Jose
CA, US
Mark E Strysko
Sunnyvale
CA, US
Curtis H Bruner
Los Gatos
CA, US
Patrick M Weiher
Los Altos
CA, US
Thomas G Cooper
Palo Alto
CA, US
Michael G Machado
San Jose
CA, US
Ronald R Moon
Santa Clara
CA, US
Agent
David B Harrison
Assignee
Quantum Corporation
CA, US
IPC
G06F 13/00
G11B 5/55
G11B 5/596
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