Title:
光ヘッド用対物レンズ、これを用いた光ヘッドおよび光ディスク装置
Document Type and Number:
Japanese Patent JP4050030
Kind Code:
B2
More Like This:
| JP3603002 | Optical pickup device and its light receiving method |
| JPS55127522 | LIGHT DEFLECTING DEVICE |
| JP2004117827 | IMAGING APPARATUS |
Inventors:
Takashi Yamanouchi
Koichi Maruyama
Koichi Maruyama
Application Number:
JP2001308463A
Publication Date:
February 20, 2008
Filing Date:
October 04, 2001
Export Citation:
Assignee:
Pentax Co., Ltd.
International Classes:
G02B5/18; G02B13/00; G02B13/18; G11B7/135
Domestic Patent References:
| JP10319318A | ||||
| JP2000260056A | ||||
| JP8179198A | ||||
| JP9054247A | ||||
| JP2001243651A | ||||
| JP2001266393A |
Foreign References:
| WO1998013826A1 |
Attorney, Agent or Firm:
Hideyuki Kanai