#electrical_device a device that produces or is powered by electricity
supertype: #device an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
part: #terminal.contact
subtype: #aerial__antenna__transmitting_aerial an electrical device that sends or receives radio or television signals
subtype: #dipole_antenna__dipole an aerial half a wavelength long consisting of two rods connected to a transmission line at the center
subtype: #directional_antenna__directionalantenna an antenna that transmits or receives signals only in a narrow angle
subtype: #array.directional_antenna an arrangement of aerials spaced to give desired directional characteristics
subtype: #dish_antenna__dish__dish_aerial__saucer directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation
subtype: #scanner a radar dish that rotates or oscillates in order to scan a broad area
subtype: #yagi__Yagi_aerial a sharply directional antenna
subtype: #omnidirectional_antenna__omnidirectionalantenna__nondirectional_antenna an antenna that sends or receives signals equally in all directions
subtype: #radio_antenna__radioantenna__radio_aerial__radioaerial omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received
subtype: #television_antenna__tv-antenna an omnidirectional antenna tuned to the broadcast frequencies assigned to television
subtype: #rabbit_ears an indoor tv antenna; 2 extendible rods forming a V
subtype: #attenuator an electrical device for attenuating the strength of an electrical signal
subtype: #electric_battery__battery a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
subtype: #A_battery battery used to heat the filaments of a vacuum tube
subtype: #B_battery battery for supplying a constant positive voltage to the plate of a vacuum tube
subtype: #C_battery battery used to maintain the grid potential in a vacuum tube
subtype: #voltaic_battery__galvanic_battery battery consisting of a number of voltaic cells arranged in series or parallel
subtype: #dry_battery__drybattery a voltaic battery consisting of two or more dry cells
subtype: #flashlight_battery a small dry battery containing dry cells; used to power flashlights
subtype: #storage_battery__storagebattery__accumulator a voltaic battery that stores electric charge
subtype: #lead-acid_battery__lead-acid_accumulator a battery with lead electrodes with dilute sulphuric acid as the electrolyte; each cell generates about 2 volts
subtype: #car_battery__carbattery__automobile_battery a lead-acid storage battery in a motor vehicle; usually a 12-volt battery of six cells; the heart of the car's electrical system
subtype: #nicad__nickelcadmiumaccumulator a rechargeable battery with a nickel cathode and a cadmium anode; often used in emergency systems because of its low discharge rate when not in use
subtype: #nickel-iron_battery__nickel-iron_accumulator a storage battery having a nickel oxide cathode and an iron anode with an electrolyte of potassium hydroxide; each cell gives about 1.2 volts
subtype: #voltaic_pile__voltaicpile__galvanic_pile battery consisting of voltaic cells arranged in series; the earliest electric battery devised by Volta
subtype: #bimetallic_strip a strip consisting of two metals that bends with a rise in temperature
subtype: #brush.electrical_device conducts current between rotating and stationary parts of a generator or motor
subtype: #capacitor__capacitance__condenser__electrical_condenser an electrical device characterized by its capacity to store an electric charge
subtype: #bypass_condenser__bypass_capacitor a capacitor that provides low impedance over certain (high) frequencies
subtype: #electrolytic_capacitor__electrolytic__electrolytic_condenser a fixed capacitor consisting of two electrodes separated by an electrolyte
subtype: #Leiden_jar__Leyden_jar an electrostatic capacitor of historical interest
subtype: #trimming_capacitor__trimmer capacitor having variable capacitance; used for making fine adjustments
subtype: #electric_cell__cell a device that delivers an electric current as the result of a chemical reaction
subtype: #electrolytic_cell a cell containing an electrolyte in which an applied voltage causes a reaction to occur that would not occur otherwise (such as the breakdown of water into hydrogen and oxygen)
subtype: #fuel_cell cell that produces electricity by oxidation of fuel (hydrogen and oxygen or zinc and air); for use in electric cars
subtype: #solar_cell__solarcell__photovoltaic_cell a cell that converts solar energy into electrical energy
subtype: #storage_cell__storagecell__secondary_cell__secondarycell a cell that can be recharged
subtype: #voltaic_cell__voltaiccell__galvaniccell__primary_cell__primarycell an electric cell that generates an electromotive force by an irreversible conversion of chemical to electrical energy; cannot be recharged
subtype: #Leclanche_cell voltaic cell that produces approximately 1.5 volts
subtype: #dry_cell__drycell a small Leclanche cell containing no free liquid; the electrolyte is a paste and the negative zinc pole forms the container of the cell; used in flashlights, portable radios, etc.
subtype: #mercury_cell__mercurycell a primary cell consisting of a zinc anode and a cathode of mercury oxide and an electrolyte of potassium hydroxide
subtype: #standard_cell a primary cell used as a standard of electro-motive force
subtype: #Clark_cell__Clark_standard_cell a form of voltaic cell once used as a standard for electromotive force
subtype: #Weston_cell__cadmium_cell__cadmiumcell a standard voltaic cell (trademark Weston)
subtype: #wet_cell__wetcell a primary voltaic cell having a liquid electrolyte
subtype: #electrical_circuit__circuit__electric_circuit an electrical device that provides a path for electrical current to flow
subtype: #bridge_circuit__bridge a circuit consisting of two branches (4 arms arranged in a diamond configuration) across which a meter is connected
subtype: #Wheatstone_bridge a bridge used to measure resistances
subtype: #bridged-T a circuit consisting of a T-network with an additional shunt bridging the two series circuits
subtype: #closed_circuit__loop a complete electrical circuit around which current flows or a signal circulates
subtype: #parallel_circuit__shunt_circuit__shuntcircuit a closed circuit in which the current divides into two or more paths before recombining to complete the circuit
subtype: #computer_circuit (computer science) a circuit that is part of a computer
subtype: #logic_gate__logicgate__gate a computer circuit with several inputs but only one output that can be activated by particular combinations of inputs
subtype: #AND_circuit__AND_gate a circuit in a computer that fires only when all of its inputs fire
subtype: #NAND_circuit__NAND_gate a logic gate that produces an output that is the inverse of the output of an AND gate
subtype: #OR_circuit__OR_gate__orgate a gate circuit in a computer that fires when any of its inputs fire
subtype: #X-OR_circuit__XOR_circuit__XOR_gate gate for exclusive OR; a circuit in a computer that fires only if only one of its inputs fire
subtype: #integrated_circuit__microcircuit a microelectronic computer circuit incorporated into a chip of semiconductor; a whole system rather than a single component
subtype: #silicon_chip__siliconchip__chip__microchip__micro_chip__microchip electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit
subtype: #biochip a microchip that uses tiny strands of DNA to latch onto and quickly recognize thousands of genes at a time; intended for use in a biological environment
subtype: #gene_chip__DNA_chip a microchip that holds DNA probes that form half of the DNA double helix and can recognize DNA from samples being tested
subtype: #memory_chip a RAM microchip that can be plugged into a computer to provide additional memory
subtype: #read-only_memory_chip a memory chip providing read-only memory
subtype: #microprocessor integrated circuit semiconductor chip that performs the bulk of the processing and controls the parts of a system; "a microprocessor functions as the central processing unit of a microcomputer"; "a disk drive contains a microprocessor to handle the internal functions of the drive"
subtype: #interface.computer_circuit__port (computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)
subtype: #parallel_interface__parallel_port an interface between a computer and a printer where the computer sends multiple bits of information to the printer simultaneously
subtype: #serial_port an interface (commonly used for modems and mice and some printers) that transmits data a bit at a time
subtype: #small_computer_system_interface__SCSI interface consisting of a standard port between a computer and its peripherals that is used in some computers
subtype: #module.computer_circuit computer circuit consisting of an assembly of electronic components (as of computer hardware)
subtype: #printed_circuit__printedcircuit computer circuit consisting of an electronic sub-assembly; copper conductors are laminated on an insulating board or card and circuit components are inserted into holes and dip soldered
subtype: #circuit_board__circuitboard__circuit_card__circuitcard__board__card a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities
subtype: #CPU_board__mother_board the main circuit board for a computer
subtype: #PC_board a removable circuit board for a personal computer; fits into a slot in the mother board
subtype: #delay_line__delayline a circuit designed to introduce a calculated delay into the transmission of a signal
subtype: #acoustic_delay_line__sonic_delay_line__sonicdelayline a delay line based on the time of propagation of sound waves
subtype: #electromagnetic_delay_line__electromagneticdelayline a delay line based on the time of propagation of electromagnetic waves
subtype: #feedback_circuit__feedback_loop a circuit that feeds back some of the output to the input of a system
subtype: #control_circuit__controlcircuit__negative_feedback_circuit a feedback circuit that subtracts from the input
subtype: #flip-flop.electrical_circuit__flipflop an electronic circuit that can assume either of two stable states
subtype: #limiter__clipper (electronics) a circuit whose output is limited which serves to limits the amplitude of a waveform or clip off the peaks
subtype: #data_link__link an interconnecting circuit between two or more locations for the purpose of transmitting and receiving data
subtype: #open_circuit an incomplete electrical circuit in which no current flows
subtype: #pulse_timing_circuit a circuit that times pulses
subtype: #resonant_circuit__resonator an electrical circuit that combines capacitance and inductance in such a way that a periodic electric oscillation will reach maximum amplitude
subtype: #series_circuit a circuit having its parts connected serially
subtype: #squelch_circuit__squelchcircuit__squelch__squelcher an electric circuit that cuts off a receiver when the signal becomes weaker than the noise
subtype: #tank_circuit an oscillatory circuit
subtype: #T-network a circuit formed by two equal series circuits with a shunt between them
subtype: #wiring.electrical_circuit a circuit of wires for the distribution of electricity
subtype: #light_circuit__lightcircuit__lighting_circuit wiring that provides power to electric lights
subtype: #control_panel__controlpanel__instrument_panel__control_board__controlboard__board__panel electrical device consisting of an insulated panel containing switches and dials and meters for controlling other electrical devices; "he checked the instrument panel"; "suddenly the board lit up like a Christmas tree"
subtype: #dashboard instrument panel on an automobile or airplane containing dials and controls
subtype: #electrical_distributor__distributor__distributer electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence
subtype: #electrograph electrical device used for etching by electrolytic means
subtype: #electrostatic_generator__electrostaticgenerator__electrostatic_machine__electrostaticmachine__Wimshurst_machine__Van_de_Graaff_generator electrical device that produces a high voltage by building up a charge of static electricity
subtype: #electrophorus__electrophoru a simple electrostatic generator that generates repeated charges of static electricity
subtype: #filter.electrical_device n electrical device that alters the frequency spectrum of signals passing through it
subtype: #flasher an electrical device that automatically turns a lamp on and off (as for an advertising display)
subtype: #electrical_fuse__fuse electrical device that can interrupt the flow of electrical current when it is overloaded
subtype: #cartridge_fuse__cartridgefuse a fuse cased in a tube
subtype: #circuit_breaker__circuitbreaker__breaker a device that trips like a switch and opens the circuit when overloaded
subtype: #plug_fuse a fuse with a thread that screws into a socket
subtype: #inductor__inductance an electrical device that introduces inductance into a circuit
subtype: #jack.electrical_device an electrical device consisting of a connector socket designed for the insertion of a plug
subtype: #telephone_jack__telephonejack__phone_jack__phonejack a jack for plugging in a telephone
subtype: #load.electrical_device electrical device to which electrical power is delivered
subtype: #male_plug__plug an electrical device with two or three pins that is inserted in a socket to make an electrical connection
subtype: #telephone_plug__telephoneplug__phone_plug__phoneplug a plug for connecting a telephone
subtype: #Cottrell_precipitator__precipitator removes dust particles from gases by electrostatic precipitation
subtype: #reactor an electrical device used to introduce reactance into a circuit
subtype: #coil reactor consisting of a spiral of insulated wire that introduces inductance into a circuit
subtype: #armature coil in which voltage is induced by motion through a magnetic field
subtype: #rotor_coil__rotorcoil__rotor the rotating armature of a motor or generator
subtype: #astatic_coils__astaticcoil an arrangement of coils used in sensitive electrical instruments; the coils are arranged to give zero resultant external magnetic field when a current passes through them and to have zero electromotive force induced in them by an external magnetic field
subtype: #choke_coil__chokecoil__choke__choking_coil__chokingcoil a coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current
subtype: #field_coil__fieldcoil__field_winding__fieldwinding the electric coil around a field magnet that produces the magneto motive force to set up the flux in an electric machine
subtype: #induction_coil__inductioncoil a coil for producing a high voltage from a low-voltage source
subtype: #ignition_coil an induction coil that converts current from a battery into the high-voltage current required by spark plugs
subtype: #spark_coil__sparkcoil an induction coil used to create sparks
subtype: #primary_coil__primarycoil__primary_winding__primarywinding__primary coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit; "current through the primary coil induces current in the secondary coil"
subtype: #read/write_head__head (computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patterns on a disk
subtype: #secondary_coil__secondarycoil__secondary_winding__secondarywinding__secondary coil such that current is induced in it by passing a current through the primary coil
subtype: #solenoid a coil of wire around an iron core; becomes a magnet when current passes through the coil
subtype: #tickler_coil__ticklercoil a small coil in series with the anode of a vacuum tube and coupled to the grid to provide feedback
subtype: #rectifier electrical device that transforms alternating into direct current
subtype: #demodulator rectifier that extracts modulation from a radio carrier wave
subtype: #full-wave_rectifier rectifier that converts the negative half wave of an alternating current into a positive half wave
subtype: #electrical_relay__relay electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
subtype: comms#frame_relay
subtype: #resistor__resistance an electrical device that resists the flow of electrical current
subtype: #ballast_resistor__ballastresistor__barretter a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
subtype: #potential_divider__potentialdivider__voltage_divider__voltagedivider resistors connected in series across a voltage source; used to obtain a desired fraction of the voltage
subtype: #potentiometer.potential_divider__pot a resistor with three terminals, the third being an adjustable center terminal; used to adjust voltages in radios and TV sets
subtype: #rheostat__variable_resistor resistor for regulating current
subtype: #dimmer a rheostat that varies the current through an electric light in order to control the level of illumination
subtype: #security_system__security_measures__security an electrical device that sets off an alarm when someone tries to break in
subtype: #solar_array__solararray__solar_battery__solarbattery__solar_panel__solarpanel electrical device consisting of a large array of connected solar cells
subtype: #spark_arrester__sparkarrester electrical device to reduce sparking when electrical contacts are opened or closed
subtype: #spark_plug__sparkplug__sparking_plug__plug electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
subtype: #suppressor__suppresser an electrical device for suppressing unwanted currents
subtype: #surge_suppressor__surgesuppressor__surge_protector__surgeprotector__spike_suppressor__spikesuppressor__spike_arrester__spikearrester__lightning_arrester__lightningarrester electrical device inserted in a power line to protect equipment from sudden fluctuations in current
subtype: #transducer an electrical device that converts one form of energy into another
subtype: #electro-acoustic_transducer a transducer that converts electrical to acoustic energy or vice versa
subtype: #cartridge.electro-acoustic_transducer__pickup an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable
subtype: #crystal_pickup__crystalpickup a cartridge in which an output voltage is produced by the vibration of a piezoelectric crystal
subtype: #earphone__earpiece__headphone__phone electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear; "it was not the typing but the earphones that she disliked"
subtype: #telephone_receiver__telephonereceiver__receiver earphone that converts electrical signals into sounds
subtype: #headset receiver consisting of a pair of headphones
subtype: #loudspeaker_system__loudspeakersystem__loudspeaker__speaker__speaker_unit__speakerunit__speaker_system__speakersystem electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
subtype: #bullhorn__loud-hailer a portable loudspeaker with built-in microphone and amplifier
subtype: #squawk_box__squawker__intercom_speaker the loudspeaker on an inter-com or public address system
subtype: #tannoy (British) a loudspeaker
subtype: #tweeter a loudspeaker that reproduces higher audio frequency sounds; "the sound system had both tweeters and woofers"
subtype: #woofer a loudspeaker that reproduces lower audio frequency sounds
subtype: #microphone__mike device for converting sound waves into electrical energy
subtype: #bug.microphone a small hidden microphone; for listening secretly
subtype: #condenser_microphone__condensermicrophone__capacitor_microphone__capacitormicrophone microphone consisting of a capacitor with one plate fixed and the other forming the diaphragm moved by sound waves
subtype: #crystal_microphone__crystalmicrophone a microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltage
subtype: #mosaic.transducer transducer formed by the light-sensitive surface on a television camera tube
subtype: #photoelectric_cell__photoelectriccell__photoconductive_cell__photoconductivecell__photocell__electric_eye__magic_eye__magiceye a transducer used to detect and measure light and other radiations
subtype: #selenium_cell a photoelectric cell that uses a strip of selenium
subtype: #transformer an electrical device by which alternating current of one voltage is changed to another voltage
subtype: #coil.transformer a transformer that supplies high voltage to spark plugs in a gasoline engine
subtype: #step-down_transformer a transformer that reduces voltage
subtype: #step-up_transformer a transformer that increases voltage
subtype: #cascade_transformer a number of transformers in series; provides a high-voltage source
subtype: #Tesla_coil a step-up transformer with an air core; used to produce high voltages at high frequencies
subtype: #voltage_regulator__voltageregulator a transformer whose voltage ratio of transformation can be adjusted
subtype: #transponder electrical device designed to receive a specific signal and automatically transmit a specific reply
subtype: #zapper an electrical device that can injure or kill by means of electric currents; "a bug zapper"
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