Angle sensor

An angle sensor includes a first gear configured to be concentrically mounted to a rotor, a second gear configured to mesh with the first gear, and a first rotation angle detector configured to detect a rotation angle of the second gear, wherein the first rotation angle detector outputs absolute ang...

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Bibliographic Details
Main Author SAKABE TAKASHI
Format Patent
LanguageEnglish
Published 03.02.2005
Edition7
Subjects
ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
MOTOR VEHICLES
PERFORMING OPERATIONS
PHYSICS
TARIFF METERING APPARATUS
TESTING
TRAILERS
TRANSPORTING
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Summary:An angle sensor includes a first gear configured to be concentrically mounted to a rotor, a second gear configured to mesh with the first gear, and a first rotation angle detector configured to detect a rotation angle of the second gear, wherein the first rotation angle detector outputs absolute angle signals according to the rotation angle of the second gear, generates a first pulse based on rotation of the second gear, generates a second pulse having a different phase compared to the first pulse based on rotation of the second gear, generates a third pulse once per rotation of the second gear based on rotation of the second gear, varies each resolution of rotation angles of the first pulse, the second pulse, and the third pulse, and detects the rotation angle of the second gear in accordance with the resolution.
Bibliography:Application Number: US20040900378