Invention Grant
- Patent Title: Sensitivity recalibration system for body search metal detectors
- Patent Title (中): 身体检测金属探测器灵敏度重新校准系统
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Application No.: US757017Application Date: 1985-07-19
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Publication No.: US4600882APublication Date: 1986-07-15
- Inventor: Walker C. Cottrell, Jr.
- Applicant: Walker C. Cottrell, Jr.
- Assignee: Cottrell Jr Walker C
- Current Assignee: Cottrell Jr Walker C
- Main IPC: G01V13/00
- IPC: G01V13/00 ; G01R35/00
Abstract:
Metal detector sensitivity is checked by holding its sensing means adjacent to a test unit containing a metal body mounted closer to one side than the other and calibrated to give a desired range of response when the sensing means moves from one of the said sides to the other.
Public/Granted literature
- US5890403A Braking mechanism for power tongs Public/Granted day:1999-04-06
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