发明授权
- 专利标题: Digital time delay relay utilizing logic elements
- 专利标题(中): 数字时延延迟使用逻辑元件
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申请号: US501430申请日: 1974-08-29
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公开(公告)号: US3963947A公开(公告)日: 1976-06-15
- 发明人: George F. Bogel
- 申请人: George F. Bogel
- 申请人地址: PA Pittsburgh
- 专利权人: Westinghouse Electric Corporation
- 当前专利权人: Westinghouse Electric Corporation
- 当前专利权人地址: PA Pittsburgh
- 主分类号: H03K17/292
- IPC分类号: H03K17/292 ; H03K5/13 ; G05F1/40 ; H01H47/18
摘要:
Solid-state digital time delay relay having a pair of complementary contacts one of which breaks or opens before the other makes or closes. The switching or transfer function utilizes a light emitting diode in conjunction with a photosensitive resistive element for each set of contacts.
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