Photocopying – Including fiber optics
Patent
1984-04-23
1986-04-15
Prescott, A. C.
Photocopying
Including fiber optics
355 14D, 118689, 118691, G03G 1500
Patent
active
045824150
ABSTRACT:
The gap between a magnetic sensor and a fitting member supporting the magnetic sensor and the surface of the magnetic sensor are coated with thin nonmagnetic coating materials having small surface friction to prevent the developer from being introduced into the gap and adhered therein. Smooth flow of the developer is maintained, and the stable and accurate detection of the condition or ratio of the developer is ensured.
REFERENCES:
patent: 4168901 (1979-09-01), Ito et al.
patent: 4273843 (1981-06-01), Fujita et al.
patent: 4364659 (1982-12-01), Noda
Hyodo Keiichiro
Ishida Hiroshi
Ueda Jun
Mita Industrial Co. Ltd.
Prescott A. C.
Warren David
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