Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor

Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor

A magnetic permeability detector (100) includes an LC oscillator circuit (301) including a coil (101) and a capacitor (103,104); and a resistor (102) connected in series with the coil (101).

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Bibliographische Detailangaben
Hauptverfasser: Hosokawa, Hiroshi, Katoh, Shunji, Nishizaki, Shingo, Watanabe, Masahiro, Hirota, Tetsuro, Yamane, Masayuki
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:A magnetic permeability detector (100) includes an LC oscillator circuit (301) including a coil (101) and a capacitor (103,104); and a resistor (102) connected in series with the coil (101).