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A device that records oscillations, as of an electric current and voltage.

os·cil′lo·graph′ic adj.
os·cil′lo·graph′i·cal·ly adv.
os′cil·log′ra·phy (ŏs′ə-lŏg′rə-fē) n.


the study of the wave-forms of changing currents, voltages, or any other quantity that can be translated into electricity, as light or sound waves. — oscillographic, adj.
See also: Physics
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Cineradiography, tape recording, phonography spirometry, glottography, oscillography and electromyography will help in assessing the impairment of the vocal cord movement during the disease process and also in assisting the improvement of vocal cord vibration during recovery after the treatment.
bO]: Q--switch quaranteeing protection against overloads and short circuits; HL--warning lamp; T--auto-transformer; VD1--diode bridge; R1--resistor, through which the capacitor C of high capacity (about 10,000 [micro]F) charges; PV --voltmeter; KM--relay with two changeover contact groups (in the diagram one group is shown); R2--auxiliary resistor (set if the voltage on the capacitor exceeds the nominative voltage relay coil); RS--shunt for current oscillography in the relay coil; VS--thyristor; VD2--<<demagnetizating>> diode; R3, R4--resistors of the thyristor control circuit; SV1, SV2--buttons for the relay on and off; H1, H2--incandescent lamps (thyristor load); A--changer; R5, R6--divider (registrator of the bounce of relay contacts)
In addition to this, utilities require constant data streams on their networks for telemetry, oscillography, usage and meta-data.