Invention Grant
US3414730A Photorheostat including discharge lamp and masking means and utilizing length of discharge
失效
光电放大器包括放电灯和屏蔽装置,并利用放电长度
- Patent Title: Photorheostat including discharge lamp and masking means and utilizing length of discharge
- Patent Title (中): 光电放大器包括放电灯和屏蔽装置,并利用放电长度
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Application No.: US52333266Application Date: 1966-01-27
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Publication No.: US3414730APublication Date: 1968-12-03
- Inventor: MICHEL NICOLAS
- Applicant: CIE IND FRANCAISE TUBES ELECT
- Assignee: Cie Ind Francaise Tubes Elect
- Current Assignee: Cie Ind Francaise Tubes Elect
- Priority: FR4509 1965-02-05
- Main IPC: H01L31/16
- IPC: H01L31/16 ; H03G1/00
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