Patent · US Expired

An.cndot.isotropic damper

US5915662A · kind A · utility

15Cited by
8References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 20, 1997
Grant dateJun 29, 1999
Priority date
Expiry dateAug 20, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B33/08
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

To provide an an.isotropic damper using an elastic member having an E value two times or more larger than that of an elastic member for damping the vibration in the vertical direction to a portion for supporting the rotary part of an optical disk or the like and a mechanical chassis mounting an optical pickup and to the portion for damping the vibration in the planar direction, and comprising two types of elastic members for controlling the fluctuation in the relative distance between the optical pickup and the disk.

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