发明名称 |
Photographic image exposing apparatus |
摘要 |
A photographic image exposing apparatus includes a white light source and a filtering device provided between the white light source and a photographic paper. The filtering device has color filters corresponding to respective light spectrums and is operable to interrupt a light beam traveling from the white light source to the photographic paper to separately allow the corresponding light spectrums to pass therethrough. A light amount adjuster is operable to change respective interrupting times of the color filters with respect to a predetermined exposing range.
|
申请公布号 |
US5790238(A) |
申请公布日期 |
1998.08.04 |
申请号 |
US19970790345 |
申请日期 |
1997.01.27 |
申请人 |
NORITSU KOKI CO., LTD. |
发明人 |
ISHIKAWA, MASAZUMI;TANIBATA, TORU |
分类号 |
B41J2/525;B41J2/44;G03B27/46;G03B27/72;G03B27/73;H04N1/23;(IPC1-7):G03B27/72 |
主分类号 |
B41J2/525 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|