capacitance sensing
21Touchscreen — A boy is solving a computerized puzzle using a touchscreen. A touchscreen is an electronic visual display that can detect the presence and location of a touch within the display area. The term generally refers to touching the display of the… …
22Test probe — Typical passive oscilloscope probe being used for testing an integrated circuit. A test probe (test lead, test prod, or scope probe) is a physical device used to connect electronic test equipment to the device under test (DUT). They range from… …
23Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …
24Pickup (music technology) — For phonograph pickup, see Magnetic cartridge. For other uses, see Pickup disambiguation page. Three magnetic pickups on a Peavey Raptor with the pickup configuration of a fat strat (H S S). The bridge (right) pickup is a humbucker and the neck… …
25Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …
26Pickup (music) — A pickup device acts as a transducer that captures mechanical vibrations (usually from suitably equipped stringed instruments such as the electric guitar, electric bass guitar or electric violin) and converts them to an electrical signal, which… …
27Varistor — A 385 volt metal oxide varistor A varistor is an electronic component with a diode like nonlinear current–voltage characteristic. The name is a portmanteau of variable resistor. Varistors are often used to protect circuits against excessive… …
28Visual Planet — Infobox Company company name = Visual Planet Ltd company company type = Ltd foundation = 2001 slogan = Because it s a Visual World location = Trumpington, Cambridgeshire, England key people = Vernon Spencer, MD and Founder Mike Cole, Co Owner… …
29Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …
30Electric power transmission — Electric transmission redirects here. For vehicle transmissions, see diesel electric transmission. 400 kV high tension transmission lines near Madrid Electric power transmission or high voltage electric transmission is the bulk transfer of… …
