| US 7,576,760 B2 | ||
| Multi-level optical writer | ||
| Minoru Koshimizu, Kanagawa (Japan); Tsutomu Ishii, Kanagawa (Japan); Yasunori Saito, Kanagawa (Japan); and Ikutaroh Nagatsuka, Kanagawa (Japan) | ||
| Assigned to Fuji Xerox Co., Ltd., Tokyo (Japan) | ||
| Filed on Nov. 09, 2005, as Appl. No. 11/269,534. | ||
| Claims priority of application No. 2005-134087 (JP), filed on May 02, 2005. | ||
| Prior Publication US 2006/0244698 A1, Nov. 02, 2006 | ||
| Int. Cl. G09G 3/30 (2006.01); G09G 3/36 (2006.01); G02F 1/135 (2006.01); G02F 1/1335 (2006.01); G02F 1/13 (2006.01) | ||
| U.S. Cl. 345—695 [345/81; 345/89; 349/2; 349/12; 349/25; 349/29; 359/294] | 19 Claims |
| 1. A multi-level optical writer for writing an image by illuminating an optical-write-type recording medium including a display
layer having a memory nature and a photoconductive layer, the optical writer comprising:
a holding portion that holds the optical-write-type recording medium; and
a write section that writes a multi-level image to the display layer by applying, to the photoconductive layer, an image light
having optical dots different in size in accordance with gray levels of pixels of the multi-level image.
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