Patent · US Expired

Bang-bang controlled velocity command generator

US4638230A · kind A · utility

21Cited by
10References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 8, 1985
Grant dateJan 20, 1987
Priority date
Expiry dateNov 8, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B2219/41086
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

In a disc information storage system which employs a servo data disc, a servo data head and a moveable carriage assembly for transporting a plurality of magnetic heads radially across the surface of the disc in response to a control signal produced in connection with a velocity command signal, an improved method and apparatus for production of a velocity command signal wherein one or a plurality of discrete velocity steps are added to the velocity command signal in a region which would otherwise indicate only a single value for velocity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.