Invention Grant
- Patent Title: Optical data line counter
- Patent Title (中): 光学数据线计数器
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Application No.: US3439153DApplication Date: 1964-07-16
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Publication No.: US3439153APublication Date: 1969-04-15
- Inventor: LITZ FRANK A , LYNOTT JOHN J
- Applicant: IBM
- Assignee: Ibm
- Current Assignee: Ibm
- Priority: US38305964 1964-07-16; US38310564 1964-07-16; US38310664 1964-07-16; US78640659 1959-01-12
- Main IPC: G06K13/00
- IPC: G06K13/00 ; G06K17/00 ; G11B7/0033 ; G11B15/14 ; G11B27/00 ; G11C13/04 ; G11C17/00 ; H01J9/26 ; G06K7/00 ; G01N21/30
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