Invention Grant
- Patent Title: Null coil pendulum magnetometer with means for establishing an alternating magnetic flux gradient through the null coil
- Patent Title (中): 具有用于通过空线圈建立交替磁通梯度的方法的空卷线器
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Application No.: US3431489DApplication Date: 1966-03-14
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Publication No.: US3431489APublication Date: 1969-03-04
- Inventor: BRIDGES THOMAS J , HEMPSTEAD CHARLES F
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US53420766 1966-03-14
- Main IPC: G01R33/12
- IPC: G01R33/12 ; G01R33/00 ; G01N27/00
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