Invention Grant
- Patent Title: Light-valve transmitter
- Patent Title (中): 光阀变送器
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Application No.: US20140027Application Date: 1927-06-25
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Publication No.: US1740352APublication Date: 1929-12-17
- Inventor: FRANCIS JENKINS CHARLES
- Applicant: JENKINS LAB
- Assignee: Jenkins Lab
- Current Assignee: Jenkins Lab
- Priority: US20140027 1927-06-25
- Main IPC: H04N5/30
- IPC: H04N5/30
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