| 摘要 |
PURPOSE: A data recording/reproducing method of a holographic storage device is provided to improve data processing speed. CONSTITUTION: The data recording/reproducing is made in the process; after separating each pick cell of the information element into plural groups of pick cells, the pick cells in the group are divided into a dummy pick cell which is indicated black at all times and the data pick cells which are indicated white or black depending upon the nature of the information; inputting reproduced pick cell images in the photo detector after reproducing the above hologram. |
