H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 40/00 (2006.01) H01J 43/30 (2006.01)
Patent
CA 2345709
A photomultiplier tube circuit with reduced power consumption comprising a photomultiplier tube having a plurality of dynodes, charging circuitry for providing charge to the plurality of dynodes and an oscillator for providing a high voltage supply to the charging circuitry characterised in that the photomultiplier tube circuit further comprises means for sampling the voltage of at least one of the dynodes and a switching means for switching the oscillator on and off with respect to the at least one dynode voltage sampled.
La présente invention concerne un circuit de tube photomultiplicateur à consommation réduite d'énergie qui comprend une pluralité de dynodes, un circuit de charge pour la pluralité de dynodes et un oscillateur alimentant le circuit de charge en haute tension. Ce circuit de tube photomultiplicateur se caractérise par ailleurs en ce qu'il permet d'échantillonner la tension d'au moins une des dynodes et de mettre commuter l'oscillateur par rapport à la dynode en question.
Fetherstonhaugh & Co.
The Secretary Of State For Defence In Her Britannic Majesty's Go
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