Invention Grant
- Patent Title: Holographic recording device
- Patent Title (中): 全息记录装置
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Application No.: US12194804Application Date: 2008-08-20
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Publication No.: US07715074B2Publication Date: 2010-05-11
- Inventor: Hiroyasu Yoshikawa , Kouichi Tezuka , Kazushi Uno , Yasumasa Iwamura , Yuzuru Yamakage
- Applicant: Hiroyasu Yoshikawa , Kouichi Tezuka , Kazushi Uno , Yasumasa Iwamura , Yuzuru Yamakage
- Applicant Address: JP Kawasaki
- Assignee: Fujitsu Limited
- Current Assignee: Fujitsu Limited
- Current Assignee Address: JP Kawasaki
- Agency: Greer, Burns & Crain, Ltd.
- Main IPC: G03H1/28
- IPC: G03H1/28
Abstract:
A holographic recorder can vary the optical distance between an object lens and a relay lens near the object lens. This arrangement allows defocus-multiplexing utilizing state variations in the laser beam when the beam reaches a storage medium.
Public/Granted literature
- US20080309999A1 HOLOGRAPHIC RECORDING DEVICE Public/Granted day:2008-12-18
Information query
