Electron-beam generating device having plurality of cold...

Details Electron-beam generating device having plurality of cold... Electron-beam generating device having plurality of cold...

H - Electricity

01

J

H01J 31/10 (2006.01) G09G 3/22 (2006.01) H01J 31/12 (2006.01) H01J 31/15 (2006.01)

Patent

CA 2151202

An electron-beam generating device, in which a number of cold cathode elements are matrix-wired, as well as a method of driving the device, is applied to an image forming apparatus. Statistical calculations are performed in advance with regard to a required electron- beam output, and loss produced in the matrix wiring is analyzed. Drive signals are corrected by deciding optimum correction values based upon the analytical results. As a result, when rows of the matrix are driven successively row by row, the intensity of the outputted electron beams can made accurate for any driving pattern.

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