发明名称 |
SICHERHEITSBETRIEBSPRUEFUNG EINER GESTEUERTEN ANLAGE. |
摘要 |
A method of proving safe operation of a complex electronic circuit (2), and apparatus for carrying out the method, in which a proving signal having known characteristics is superimposed on an input (4) to the circuit (2) and the output is searched for said characteristics. An example involves the use of a microprocessor (2) arranged to evaluate a fast Fourier transform algorithm on the coded carrier signal (4) of a railway automatic train protection system or of railway a.c. track circuit arrangement. |
申请公布号 |
DE3484156(D1) |
申请公布日期 |
1991.04.04 |
申请号 |
DE19843484156 |
申请日期 |
1984.07.24 |
申请人 |
WESTINGHOUSE BRAKE AND SIGNAL HOLDINGS LTD., CHIPPENHAM, WILTSHIRE, GB |
发明人 |
BROWN, CHRISTOPHER ROBERT, BROMHAM WILTSHIRE, GB |
分类号 |
B61L1/18;B61L1/20;B61L3/00;B61L3/12;B61L3/24;G01R31/28;G06F11/00;G06F11/14 |
主分类号 |
B61L1/18 |
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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