SU1280706A1 - Device for suppressing background noise of video signal - Google Patents
Device for suppressing background noise of video signal Download PDFInfo
- Publication number
- SU1280706A1 SU1280706A1 SU823552139A SU3552139A SU1280706A1 SU 1280706 A1 SU1280706 A1 SU 1280706A1 SU 823552139 A SU823552139 A SU 823552139A SU 3552139 A SU3552139 A SU 3552139A SU 1280706 A1 SU1280706 A1 SU 1280706A1
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- USSR - Soviet Union
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- background noise
- output
- signal
- video signal
- input
- Prior art date
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Abstract
Изобретение относитс к области автоматики и вычислительной техники и может быть использовано при построении устройств- дл отображени информации. Цель изобретени - повьшение точности устройства - достигаетс тем, что наложенна на видеосигнал фонова помеха про вл етс на воспроизводимом на экране ЭТ 3 изображении в виде горизонтальных темных и светлых полос, перемещающихс по экрану. Сигнал фоновой помехи вычитаетс из сигнала видеоусилител 1 и на выходе сумматора 4 образуетс только информас ционный сигнал, очищенный от фоновой помехи. 1 ил. СЛThe invention relates to the field of automation and computer technology and can be used in the construction of devices for displaying information. The purpose of the invention — to increase the accuracy of the device — is achieved by the fact that the background noise superimposed on the video signal appears on the ET 3 image reproduced on the screen in the form of horizontal dark and light bands moving along the screen. The background noise signal is subtracted from the video amplifier 1 signal and at the output of the adder 4, only the information signal is generated, which is cleared of background noise. 1 il. SL
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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SU823552139A SU1280706A1 (en) | 1982-12-24 | 1982-12-24 | Device for suppressing background noise of video signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU823552139A SU1280706A1 (en) | 1982-12-24 | 1982-12-24 | Device for suppressing background noise of video signal |
Publications (1)
Publication Number | Publication Date |
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SU1280706A1 true SU1280706A1 (en) | 1986-12-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU823552139A SU1280706A1 (en) | 1982-12-24 | 1982-12-24 | Device for suppressing background noise of video signal |
Country Status (1)
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SU (1) | SU1280706A1 (en) |
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1982
- 1982-12-24 SU SU823552139A patent/SU1280706A1/en active
Non-Patent Citations (1)
Title |
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Кривошеев М.И. Основы телевизионных измерений. М.: Св зь, 1976, с. 61. Полупроводниковые кодирукнцие и декодирующие преобразователи напр жени . /Под ред.В.Б.Смолова и Н.А.Смирнова, Л.:Энерги , 1967, , с. 199., рис. 2-32. * |
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