Invention Grant
- Patent Title: Technique for sensing the rotational speed and angular position of a rotating wheel
- Patent Title (中): 用于感测旋转轮的旋转速度和角位置的技术
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Application No.: US11274919Application Date: 2005-11-14
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Publication No.: US07262591B2Publication Date: 2007-08-28
- Inventor: Lothar Blossfeld
- Applicant: Lothar Blossfeld
- Applicant Address: DE Freiburg
- Assignee: Micronas GmbH
- Current Assignee: Micronas GmbH
- Current Assignee Address: DE Freiburg
- Agency: O'Shea, Getz & Kosakowski, P.C.
- Main IPC: G01P3/48
- IPC: G01P3/48
Abstract:
A method of processing a pulse train output signal provided by a non-contact sensor that senses the rotational speed and angular position of a rotating wheel includes comparing the amplitudes of the pulses with a variable switching threshold value, and adjusting the value of the variable switching threshold value if the difference between the amplitudes of two successive pulses exceeds a maximum value.
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