Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
OPTICAL DISK DEVICE
Document Type and Number:
Japanese Patent JPH04129081
Kind Code:
A
Abstract:
PURPOSE:To clean an optical disk at the best timing by providing at optical disk device with a cleaning management means which reads cleaning history information to perform the cleaning management of the optical disk. CONSTITUTION:Cleaning history information of a cartridge is stored in a cleaning history information storage part 6 provided in a cartridge 3, and a cleaning management means 7 provided in an optical disk device 5 reads this cleaning history information to perform the cleaning management of an optical disk 2. Consequently, the optical disk in each cartridge is cleaned at proper intervals. Thus, the optical disk is cleaned at the proper timing.

Inventors:
MIZOBUCHI EIJI
ICHII HIROSHI
Application Number:
JP24775590A
Publication Date:
April 30, 1992
Filing Date:
September 18, 1990
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FUJITSU LTD
International Classes:
G11B23/50; G11B7/00; G11B7/004; (IPC1-7): G11B7/00; G11B23/50
Attorney, Agent or Firm:
Dobashi Akira



 
Previous Patent: JPH04129080

Next Patent: POSTRECORDING DEVICE FOR DAT