专利名称：Gain control device for minimizing parasitic
electromagnetic radiation in a video monitor
发明人：Rene Martinelli,Jacques Lacroix申请号：US07/561447申请日：19900802公开号：US05119198A公开日：19920602
摘要：A gain control device for a CRT video monitor in which the front face of themonitor corresponds to the screen of the tube and comprises various control buttons,among which is a gain control button. A gain control button circuit receiving the videosignal in accordance with the invention is arranged at the neighborhood of the monitorrear face close to the tube socket. This circuit comprises an electronic potentiometercontrolled by a d.c. signal set by a potentiometer arranged at the neighborhood of thefront face and coupled with the gain control button.
申请人：HEWLETT-PACKARD COMPANY
代理机构：Woodcock Washburn Kurtz Mackiewicz & Norris
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