Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Reexamination Certificate
2009-04-24
2011-11-08
Tang, Minh N (Department: 2858)
Electricity: measuring and testing
Electrical speed measuring
Including speed-related frequency generator
C073S514390, C116S062100
Reexamination Certificate
active
08054063
ABSTRACT:
A motorcycle wheel speed transmission mechanism includes a gear housing affixed to the front fork of a motorcycle and having an outside receptacle and an outside sensor mount, a driven gear mounted inside the gear housing and rotatable with the front wheel of the motorcycle, an output gear mounted in the outside receptacle and meshed with the driven gear, an annular magnet holder mounted on the gear shaft of the output gear and defining therein a plurality of equiangularly spaced magnetic zones, and a speed sensor mounted in the sensor mount and electrically connected to an electronic speedometer of the motorcycle through a transmission line for detecting the revolving speed of the annular magnet holder and transmitting detected data to the electronic speedometer for display.
REFERENCES:
patent: 5880585 (1999-03-01), Oguro
patent: 7078891 (2006-07-01), Su et al.
Panochi Co., Ltd.
Rosenberg , Klein & Lee
Tang Minh N
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