发明名称 |
Pointer position detection using light emitting diodes |
摘要 |
An apparatus and method sensing the absolute position of a gauge. A pointer having a predefined rotation with a circular travel pattern. At least one light emitting diode that generates an optical signal. An optical sensor placed in a fixed position along the circular travel pattern of the pointer. A pointer driver for driving the pointer.
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申请公布号 |
US6741184(B1) |
申请公布日期 |
2004.05.25 |
申请号 |
US20020044536 |
申请日期 |
2002.01.11 |
申请人 |
DELPHI TECHNOLOGIES, INC. |
发明人 |
MILLER MARK J.;LIPPMANN RAYMOND;SELBY RONALD K.;SYLVESTER GAIL M. |
分类号 |
G01D13/26;G01R7/06;G08B5/24;(IPC1-7):G08B5/24;G01D11/28 |
主分类号 |
G01D13/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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