Preliminary Results on the Effect of Ultrasonic Irradiation on the Electrical Activity of Nerve, Issue 1University of Illinois, 1949 - Nerve tissue |
Common terms and phrases
apparatus applied voltage CELLOPHANE characteristic impedance circuit diagram coaxial line condenser controlled time interval coordinate system cos Yc cos² cot Yc P₂ crystal mounted DELAY CIRCUIT diameter driver crystal electrical excitation electrical stimulator equipment F₁ F₂ field distribution formula given in Figure irradiation of nerve JUNCTION BOX maximum voltage megacycle meter microseconds nerve activity nerve holder operated opposite face oscilloscope output level Pc Vc PcVc PcVc)² piezoelectric piezoelectric crystal plates power amplifier power output POWER SUPPLY preamplifier pressure pattern probe and nerve pulse duration radiation takes place receiving electrodes relates generated voltage relations we obtain resonant frequency schematic diagram sound field sound probe SOUND PROJECTOR SOUND TANK square wave stimulating electrodes SWITCH synchronization and delay tan Yc tan² tanyc tion TRIGGER INPUT type of holder ultrasonic irradiation vacuum tube voltmeter variable voltage divider voltage measuring watts/sq wavelength WLc Vc X-cut quartz crystals Yc)² με