DIFFERENCE-FREQUENCY RELAY,申请号RU20020107157-传众专利搜索

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发明名称	DIFFERENCE-FREQUENCY RELAY
摘要	FIELD: electrical engineering. SUBSTANCE: relay that functions as difference- frequency relay for peripheral generator and supply mains has four comparators, two pulse leading-edge shapers, two pulse trailing- edge shapers, four OR gates, two RS flip-flops, two AND gates, two counters, two averaging filters, subtraction unit, clock generator, monostable multivibrator, and two final elements. EFFECT: enlarged functional capabilities. 3 cl, 2 dwg
申请公布号	RU2208866(C1)	申请公布日期	2003.07.20
申请号	RU20020107157	申请日期	2002.03.22
申请人	BEREZOV VLADIMIR VLADIMIROVICH	发明人	BEREZOV V.V.
分类号	H01H47/20	主分类号	H01H47/20
代理机构		代理人
主权项
地址

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