Invention Grant
- Patent Title: Sensing system for magnetically recorded signals
- Patent Title (中): 磁记录信号检测系统
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Application No.: US6934249Application Date: 1949-01-05
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Publication No.: US2496579APublication Date: 1950-02-07
- Inventor: CHENEY RAYMOND E , WAGNER JOHN L , LAWHEAD ROBERT E
- Applicant: IBM
- Assignee: Ibm
- Current Assignee: Ibm
- Priority: US6934249 1949-01-05
- Main IPC: B65G47/50
- IPC: B65G47/50 ; G01D15/12 ; G06K1/12 ; G06K7/08 ; G11B5/00 ; G11B5/02 ; H04N5/782
Information query
IPC分类:
