Patent · US Expired

Guidance of an optical scanning device

US7216354B2 · kind B2 · utility

3Cited by
12References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 11, 2001
Grant dateMay 8, 2007
Priority date
Expiry dateOct 25, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B7/08582
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An optical scanning device for reading data stored on a rotating recording medium having a scanning head; at least one guide device for guiding the scanning head along a predefined track; at least one bearing device connected to the scanning head for supporting the at least one guide device and having at least one elastic prestressing device to provide a static prestress on the at least one guide device to prestress the same and the at least one bearing device connected to the scanning head against each other to eliminate a relative displacement.

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