athe Vertical Back Porch Period is from the VSYNC rising edge to the HSYNC of the first line of active display. 垂直背部门廊时期来自上升的 VSYNC 边缘到活动显示的第一线的 HSYNC。[translate]
PROBLEM TO BE SOLVED: To enable adjusting accurately a focus even if a minute error occurs at the upper side and the lower side of a cathode ray tube by adjusting levels of front porch voltage and back porch voltage of a vertical focus adjusting signal in a voltage adjusting circuit.收藏...
简介 Miss Lavinia reads your old fashioned letters from the days of yore. And gets a little steamy with it. An upstanding southern lady takes the lost art of handwritten letters and brings them to light by reading them to viewers on her back porch. The letters are not always what you'd...
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