Title:
DRIVING DEVICE FOR OBJECTIVE LENS IN OPTICAL INFORMATION READER
Document Type and Number:
Japanese Patent JPS5850631
Kind Code:
A
Abstract:
PURPOSE: To prevent the abnormal oscillations of an elastic support which supports an objective lens so as to displace the same in parallel with an information recording plane by burying said support in a viscous body.
CONSTITUTION: A lens frame 2 which holds an objective lens 1 is supported to a supporting means 8 by means of an elastic support 10 using two sheets of leaf springs 11a, 11b movably to the right and left. The support 10 is located between two cylindrical frames 9, and a viscous body 12 is filled in the spacing between both to prevent the abnormal oscillation of the elastic support.
Inventors:
NARUMI ICHIROU
ARAKI YOSHITSUGU
ARAKI YOSHITSUGU
Application Number:
JP14976481A
Publication Date:
March 25, 1983
Filing Date:
September 21, 1981
Export Citation:
Assignee:
UNIVERSAL PIONEER CORP
International Classes:
G02B7/28; G11B7/09; (IPC1-7): G02B7/02; G02B7/11
Domestic Patent References:
| JPS5161726A | 1976-05-28 |
Attorney, Agent or Firm:
Hiroo Otsu