Electronic apparatus for biological research Electronic apparatus for biological research electronicappara00dona Year: 1958 Figure Cossor double-beam electrostatic ft/Z^e—Cathode ray tube distortions may be minimized by special shaping of the electrodes and by the introduction of certain additional ones, the Fleming-Williams' curved anti-trapezium plate''. By the use of such techniques the Cossor double-beam tube is rendered feasible, in which the deflector plate drive is intended to be asym- metrical. Part of this is sketched in highly simplified form in Figure The beam is
Electronic apparatus for biological research Electronic apparatus for biological research electronicappara00dona Year: 1958 Figure Cossor double-beam electrostatic ft/Z^e—Cathode ray tube distortions may be minimized by special shaping of the electrodes and by the introduction of certain additional ones, the Fleming-Williams' curved anti-trapezium plate''. By the use of such techniques the Cossor double-beam tube is rendered feasible, in which the deflector plate drive is intended to be asym- metrical. Part of this is sketched in highly simplified form in Figure The beam is divided into two, whilst still in a diffuse state, by a 'splitter' Splitter plate Figure plate at A^ potential. The upper part is then vertically deflected by asym- metric drive to the Y^ plate, to show one quantity, and the lower is deflected by the Y^ plate to show another. Both beams then receive lateral deflection from the X plates, to one of which the time-base waveform is connected. 456
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