Holographic ROM system

Details Holographic ROM system Holographic ROM system

2007-09-25

2007-09-25

Tran, Thang V. (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S103000, C369S112220

Reexamination Certificate

active

10847879

ABSTRACT:
A holographic ROM system of the present invention includes a lens unit for filtering and collimating an output radiation diffracted from a holographic disk in order to produce an output data beam. The lens unit includes an objective lens for collimating the output radiation and a filtering film for filtering the output radiation. The objective lens and the filtering film are formed in a single body.

REFERENCES:
patent: 3530442 (1970-09-01), Collier et al.
patent: 5793734 (1998-08-01), Tsuchiya et al.
patent: 6452890 (2002-09-01), Kawano et al.
patent: 2002/0015376 (2002-02-01), Liu et al.
patent: 0936604 (1999-08-01), None
patent: 1 271 266 (2003-02-01), None
patent: 10302294 (1998-11-01), None
patent: 10-340479 (1998-12-01), None
patent: 200-259070 (2000-09-01), None
patent: 2000-0015991 (2000-03-01), None
patent: WO99/16063 (1999-04-01), None

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