Rotational speed detector having elongate detecting surface...

Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator

Reexamination Certificate

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Details

C324S207220, C073S431000, C073S493000

Reexamination Certificate

active

06844719

ABSTRACT:
A rotational speed detector such as a wheel speed detector has an elongate housing containing a detector unit therein. The detector unit is a molded unit having a sensor element and an integrated circuit chip for processing sensor signals. A front wall of the elongate housing faces a magnetized rotor rotated by a rotating object so that the rotational speed of the rotor is detected by the detector unit. After the housing and a center rod having a terminal wire for leading out the detected electrical signals are connected to each other, a resin mold covering an outside of the center rod and a part of the housing is formed to formulate a unitary body of the rotational speed detector.

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patent: A-2000-180460 (2000-06-01), None
patent: A-2000-310646 (2000-11-01), None

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