| 发明名称 |
LIGHT TABLE WITH MULTIPLE AXIS TILTING, AND TENSION CONTROL OF TRAVELING ILLUMINATED MEDIA |
| 摘要 |
The invention concerns a light table having capability for adjustable tilting in multiple modes and to extreme angularity relative to horizontal, and with further provision for rapid reversal of film travel at any speed without loss of film tension, both hand and motor operation being enabled.
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| 申请公布号 |
US3680805(A) |
申请公布日期 |
1972.08.01 |
| 申请号 |
USD3680805 |
申请日期 |
1969.09.03 |
| 申请人 |
INTEGRAPHIC INC. |
发明人 |
WILTON A. STEWART;YING-NIEN YU |
| 分类号 |
B42D19/00;(IPC1-7):B65H17/02;A47B37/00 |
主分类号 |
B42D19/00 |
| 代理机构 |
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