Posted on March 5th, 2009 by TechNews
METHOD FOR TRANSMISSION OF DISCRETE INFORMATION (RU2348102) » Order full text of this Russian patent (in Russian) » Order translation of this Russian patent FIELD: physics, radio. SUBSTANCE: invention is related to radio communication and may be used in systems for transmission of discrete information that function in unfavourable noise environment. Method provides introduction of […]
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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) FILTER ON SURFACE ACOUSTIC WAVES FIELD: physics, radio. SUBSTANCE: invention is related to radio electronics, in particular, to frequency selective facilities, and may be used in devices of radio signal frequency selection. Grounded bus of double-mode resonator […]
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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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