Invention Grant
- Patent Title: Magnetic patterns
- Patent Title (中): 磁性图案
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Application No.: US16168561Application Date: 1961-12-22
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Publication No.: US3150356APublication Date: 1964-09-22
- Inventor: NEWMAN ERNEST G
- Applicant: IBM
- Assignee: Ibm
- Current Assignee: Ibm
- Priority: US16168561 1961-12-22
- Main IPC: G02F1/09
- IPC: G02F1/09 ; G09F9/37 ; G09G3/34 ; G11C13/06 ; H04N5/78
Public/Granted literature
- US20190124457A1 SYSTEMS AND METHODS FOR ACCESSORY AND IMPEDANCE DETECTION Public/Granted day:2019-04-25
Information query
