Invention Grant
US3489863A Analog recorder apparatus and method utilizing magnetostrictive tube-shaped record media with fringe gap
失效
模拟记录仪和使用磁性管形记录介质与FRINGE GAP的方法
- Patent Title: Analog recorder apparatus and method utilizing magnetostrictive tube-shaped record media with fringe gap
- Patent Title (中): 模拟记录仪和使用磁性管形记录介质与FRINGE GAP的方法
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Application No.: US3489863DApplication Date: 1967-02-13
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Publication No.: US3489863APublication Date: 1970-01-13
- Inventor: PARKER WILLIAM D
- Applicant: US AIR FORCE
- Assignee: Us Air Force
- Current Assignee: Us Air Force
- Priority: US61644067 1967-02-13
- Main IPC: G11B5/027
- IPC: G11B5/027 ; G11B5/00
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