Title:
【発明の名称】光ピックアップ装置
Document Type and Number:
Japanese Patent JP2613577
Kind Code:
B2
Inventors:
Toshishi Usui
Application Number:
JP8441388A
Publication Date:
May 28, 1997
Filing Date:
April 06, 1988
Export Citation:
Assignee:
Nippon Columbia Co., Ltd.
International Classes:
G02B7/28; G11B7/09; (IPC1-7): G11B7/09; G02B7/28
Domestic Patent References:
| JP1173330A | ||||
| JP60163240A | ||||
| JP62239330A | ||||
| JP62128027A | ||||
| JP62171019U |
Attorney, Agent or Firm:
Minoru Hayashi