| 发明名称 |
DISPLAY ELEMENT WITH NOTCHED DISK |
| 摘要 |
A rotor presents bright and dark sides of a flat disk to a viewer. When the bright side is presented this side plus a stationary panel form a bright viewing area. When the dark side is presented the panel is occluded.
|
| 申请公布号 |
CA2013663(C) |
申请公布日期 |
1993.06.15 |
| 申请号 |
CA19902013663 |
申请日期 |
1990.04.02 |
| 申请人 |
NEI CANADA LIMITED |
发明人 |
BROWNE, JOHN |
| 分类号 |
G02B26/02;G08G1/00;G08G1/095;G09F9/305;G09F9/37;G09F11/23;G09F13/00;(IPC1-7):G09F9/30 |
主分类号 |
G02B26/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
