| 发明名称 |
Adjustable photography light that maintains constant color temperature |
| 摘要 |
An adjustable photography light including a light bulb having a ceramic layer coated over 180 DEG of its surface, which ceramic has the same expansion coefficient as the light bulb, and which acts alternatively as a white reflector or as a mask as the bulb is rotated.
|
| 申请公布号 |
US5165784(A) |
申请公布日期 |
1992.11.24 |
| 申请号 |
US19910730280 |
申请日期 |
1991.07.15 |
| 申请人 |
ARRIFLEX CORPORATION |
发明人 |
LOTH, STANISLAW;BAHNEMANN, VOLKER W. |
| 分类号 |
F21S8/00;F21V13/10;F21V17/04;H01J61/35 |
主分类号 |
F21S8/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
