Invention Grant
US3399347A Photoelectric system for generating a signal proportional to the movement of a meter
失效
用于产生与电表的运动成比例的信号的光电系统
- Patent Title: Photoelectric system for generating a signal proportional to the movement of a meter
- Patent Title (中): 用于产生与电表的运动成比例的信号的光电系统
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Application No.: US33676464Application Date: 1964-01-09
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Publication No.: US3399347APublication Date: 1968-08-27
- Inventor: MARTENS ALEXANDER E
- Applicant: BAUSCH & LOMB
- Assignee: Bausch & Lomb
- Current Assignee: Bausch & Lomb
- Priority: US33676464 1964-01-09
- Main IPC: G01D5/347
- IPC: G01D5/347
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