Hall effect stroboscope and magnetometer
First Claim
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1. AN ELECTRONIC STROBOSCOPE DEVICE FOR REPRODUCING THE AMPLITUDE AND FREQUENCY COMPONENTS OF A MAGNETIC FIELD OF ARBITARY WAVESHAPE HAVING FREQUENCY COMPONENTS UP TO SEVERAL MEGACYCLES PER SECOND, COMPRISING:
- (A) A HALL EFFECT CONVERTER, (B) SAID CONVERTER COMPRISING A THIN FILM INTERMETALLIC SEMICONDUCTOR HALL DETECTOR PLATE WHICH HAS A PAIR OF DRIVE CURRENT ELECTRODES AND A PAIR OF OUTPUT VOLTAGE ELECTRODES AND IS MOUNTED BETWEEN A PAIR OF STATIONARY MAGNETIC FIELD CORES AND IN INTIMATE AND DIRECT CONTACT THEREWITH, (C) SAID CORES ACTING AS A PATH FOR CONCENTRATING A MAGNETIC FIELD OF ARBITRARY WAVESHAPE TO BE MEASURED, (D) MEANS FOR APPLYING A PHASE MODULATED PULSE TRAIN OF CONSTANT AMPLITUDE AND REPETITION RATE SYNCHRO-
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1 Claim
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1. AN ELECTRONIC STROBOSCOPE DEVICE FOR REPRODUCING THE AMPLITUDE AND FREQUENCY COMPONENTS OF A MAGNETIC FIELD OF ARBITARY WAVESHAPE HAVING FREQUENCY COMPONENTS UP TO SEVERAL MEGACYCLES PER SECOND, COMPRISING:
- (A) A HALL EFFECT CONVERTER, (B) SAID CONVERTER COMPRISING A THIN FILM INTERMETALLIC SEMICONDUCTOR HALL DETECTOR PLATE WHICH HAS A PAIR OF DRIVE CURRENT ELECTRODES AND A PAIR OF OUTPUT VOLTAGE ELECTRODES AND IS MOUNTED BETWEEN A PAIR OF STATIONARY MAGNETIC FIELD CORES AND IN INTIMATE AND DIRECT CONTACT THEREWITH, (C) SAID CORES ACTING AS A PATH FOR CONCENTRATING A MAGNETIC FIELD OF ARBITRARY WAVESHAPE TO BE MEASURED, (D) MEANS FOR APPLYING A PHASE MODULATED PULSE TRAIN OF CONSTANT AMPLITUDE AND REPETITION RATE SYNCHRO-
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Current AssigneeHarry H. Wieder
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Original AssigneeHarry H. Wieder
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InventorsWieder, Harry H.
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Application NumberUS04/162,616Time in Patent Office1,448 DaysField of SearchUS Class Current324/251CPC Class CodesG01R 33/07 Hall effect devices
