发明名称 |
Noise filter for zero crossing detector |
摘要 |
A noise filter for the zero crossing detector of a digitized sine wave signal uses an adjustable noise integrator. The noise integrator incorporates a counter. The integration characteristic of the counter is adjustable by selecting a count rate or a count limit from a microprocessor memory.
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申请公布号 |
US5043653(A) |
申请公布日期 |
1991.08.27 |
申请号 |
US19900466653 |
申请日期 |
1990.01.17 |
申请人 |
SUNDSTRAND CORPORATION |
发明人 |
FOSTER, JOSEPH E.;RASHID, ABDUL |
分类号 |
H03K5/1252 |
主分类号 |
H03K5/1252 |
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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