MAGNETIC DETECTION DEVICE
PROBLEM TO BE SOLVED: To provide a technology for improving a magnetic oscillation sensor and a magnetic detection device so as to exhibit a characteristic of the magnetic oscillation sensor as much as possible.SOLUTION: In the magnetic detection device, operation amplifying circuits 8, 17, and 26 o...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a technology for improving a magnetic oscillation sensor and a magnetic detection device so as to exhibit a characteristic of the magnetic oscillation sensor as much as possible.SOLUTION: In the magnetic detection device, operation amplifying circuits 8, 17, and 26 of the magnetic oscillation sensors are respectively connected with electric connectors 1, 2, and 3 so as to configure an oscillation synchronization signal circuit network for unifying oscillation frequencies of a plurality of magnetic oscillation sensors. Respective cores 6, 15, and 24 of magnetic sensing elements 4, 13, and 22 are forcibly magnetized with a unified magnetic oscillation frequency by means of an excitation current formed by synthesizing the oscillation synchronization signal flowing in the oscillation synchronization signal circuit network and excitation currents output from the operation amplifying circuits 8, 17, and 26. |
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