Control circuit for bar graph display panel

Details Control circuit for bar graph display panel Control circuit for bar graph display panel

G - Physics

09

F

375/11

G09F 3/02 (2006.01) G01R 13/40 (2006.01) G06F 3/14 (2006.01) G09F 9/00 (2006.01)

Patent

CA 1079878

CONTROL CIRCUIT FOR BAR GRAPH PANEL DISPLAY ABSTRACT OF THE DISCLOSURE A control circuit for bar graph display panels is described which reduces the tendency to drift, which obviates the necessity of maintaining an absolutely constant oscillator frequency and an absolutely constant ramp rate by utilizing a feedback system to reference the ramp end points to a single precise voltage.

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