Invention Grant
US3214591A Circuit and structure for photo-amplifier using one large and one small photocell
失效
使用一个大的和一个小的光电管的光电放大器的电路和结构
- Patent Title: Circuit and structure for photo-amplifier using one large and one small photocell
- Patent Title (中): 使用一个大的和一个小的光电管的光电放大器的电路和结构
-
Application No.: US15774761Application Date: 1961-12-07
-
Publication No.: US3214591APublication Date: 1965-10-26
- Inventor: HADLEY CHARLES P
- Applicant: RCA CORP
- Assignee: RCA Corp
- Current Assignee: RCA Corp
- Priority: US15774761 1961-12-07
- Main IPC: G01D5/26
- IPC: G01D5/26 ; H01L31/12
Public/Granted literature
- US20180374448A1 ELECTRONIC DEVICE FOR DETECTING ACCESSORY DEVICE AND METHOD FOR OPERATING SAME Public/Granted day:2018-12-27
Information query