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(en )
1992-10-27
Rotational position sensor with a Hall effect device and shaped magnet
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(en )
1978-10-25
Magnet assembly for a nuclear resonance device
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(en )
2001-03-13
Device for determining the angular position of a rotating member utilizing a magnetic hall effect transducer
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(en )
2000-02-01
Shaft position detectors with stray magnetic field compensation
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(en )
1987-02-24
Tachometer indicator with uncompensated magnetic return to zero
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(en )
1978-05-16
Moving magnet meter having a closed magnetic circuit rotor
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(enrdf_load_stackoverflow )
US3720106A
(en )
1973-03-13
Fluid meter
CA1325113C
(en )
1993-12-14
Flow meter
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(en )
1984-08-07
Needle position detector
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(zh )
2023-04-07
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(en )
1978-05-24
Moving magnet current-measuring instrument
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(en )
1967-01-17
Electrical speedometer utilizing unsymmetrically positioned field coils
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(en )
1974-09-17
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(enrdf_load_stackoverflow )
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(en )
1959-05-19
Long scale electrical instrument
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(en )
2007-01-31
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(en )
1976-04-28
Electromagnetic rotational positioning device
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(en )
1968-02-21
Improvements in and relating to velocity measuring apparatus
GB400651A
(enrdf_load_stackoverflow )
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(en )
1965-09-02
Improvements in or relating to electrical measuring instruments
GB1001792A
(enrdf_load_stackoverflow )
GB862420A
(enrdf_load_stackoverflow )
US4276511A
(en )
1981-06-30
Magnetic systems for long scale electrical meter with multiple side coil sensing
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(en )
1978-12-06
Moving-coil electrical instruments