Posted on March 13th, 2009 by TechNews
» Get full text of these Russian patents (in Russian) » English translation of these Russian patents (19) RU (11) 2349008 (13) C1 (51) IPC H01Q 21/00 (2006.01) (12) DESCRIPTIONS OF INVENTION To the patent of Russian Federation Status: of 11.03.2009 – there are no data Document: PDF (21) Application number registered: 2007133483/09 (22) Application […]
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Posted on March 11th, 2009 by TechNews
» Get full text of these Russian patents (in Russian) » English translation of these Russian patents (19) RU (11) 2349000 (13) C1 (51) IPC H01H 39/00 (2006.01) (12) DESCRIPTIONS OF INVENTION To the patent of Russian Federation Status: of 03.03.2009 – there are no data (21) Application number registered: 2008101626/09 (22) Application filing date: […]
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Posted on March 5th, 2009 by TechNews
» Order full text of this Russian patent (in Russian) » Order translation of this Russian patent (54) METHOD OF CONVERTING DC VOLTAGE INTO QUASI-SINUSOIDAL VOLTAGE WITH PULSE-WIDTH MODULATION (VERSIONS) FIELD: electricity. SUBSTANCE: proposed method of converting dc voltage into quasi-sinusoidal voltage with pulse-width modulation can be used in control systems of frequency converters. The […]
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