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87 relations: A-weighting, AA battery, Agency for Toxic Substances and Disease Registry, Alarm device, Alpha decay, Alpha particle, Americium-241, April Fools' Day, Aspirating smoke detector, Becquerel, Bedroom, Beehive, Beta decay, Birmingham, Brookhaven National Laboratory, Candela, Carbon dioxide, Carbon dioxide sensor, Carbon monoxide, Carbon monoxide detector, Cold cathode, CSIRO, Curie, Daylight saving time, Decibel, Duane D. Pearsall, Electric charge, Electric current, Electrical wiring, Electrode, EN 54, England, Fire, Fire alarm control panel, Fire alarm system, First Alert, Francis Robbins Upton, Gamma ray, Garage (residential), Half-life, Hall, Heat detector, Incandescent light bulb, International Association of Fire Fighters, International Building Code, Ion, Ionization, Ionization chamber, Law, Lens (optics), ..., Life Safety Code, Light-emitting diode, Lithium battery, Local government, Micrometre, Molecule, Municipality, National Fire Protection Association, National Institute of Standards and Technology, New York (state), Nine-volt battery, Optical beam smoke detector, Photodiode, Radiative transfer, Radionuclide, Rotterdam (town), New York, Scattering, Security alarm, Sensitivity (electronics), Smoke detector, Solid-state electronics, Stairs, Strobe light, The New York Times, The New York Times Company, Thomas Edison, Time (magazine), Time Inc., U.S. state, UL (safety organization), Uninterruptible power supply, United States Atomic Energy Commission, United States Department of Health and Human Services, United States Environmental Protection Agency, Visibility, Voltage, WTHR. Expand index (37 more) »
A-weighting
A-weighting is the most commonly used of a family of curves defined in the International standard IEC 61672:2003 and various national standards relating to the measurement of sound pressure level.
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AA battery
The AA battery—also called a double A or Mignon (French for "dainty") battery—is a standard size single cell cylindrical dry battery.
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Agency for Toxic Substances and Disease Registry
The Agency for Toxic Substances and Disease Registry (ATSDR) is a federal public health agency within the United States Department of Health and Human Services.
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Alarm device
An alarm device or system of alarm devices gives an audible, visual or other form of alarm signal about a problem or condition.
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Alpha decay
Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or 'decays' into an atom with a mass number that is reduced by four and an atomic number that is reduced by two.
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Alpha particle
Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus.
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Americium-241
Americium-241 (241Am) is an isotope of americium.
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April Fools' Day
April Fools' Day is an annual celebration in some European and Western countries commemorated on April 1 by playing practical jokes and spreading hoaxes.
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Aspirating smoke detector
An aspirating smoke detector (ASD) is a system used in active fire protection, consisting of a central detection unit which draws air through a network of pipes to detect smoke.
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Becquerel
The becquerel (symbol: Bq) is the SI derived unit of radioactivity.
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Bedroom
A bedroom is a room of a house, mansion, castle, palace, hotel, dormitory, apartment, condominium, duplex or townhouse where people sleep.
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Beehive
A beehive is an enclosed structure man-made in which some honey bee species of the subgenus Apis live and raise their young.
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Beta decay
In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which a beta ray (fast energetic electron or positron) and a neutrino are emitted from an atomic nucleus.
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Birmingham
Birmingham is a city and metropolitan borough in the West Midlands, England, with an estimated population of 1,101,360, making it the second most populous city of England and the United Kingdom.
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Brookhaven National Laboratory
Brookhaven National Laboratory (BNL) is a United States Department of Energy national laboratory located in Upton, New York, on Long Island, and was formally established in 1947 at the site of Camp Upton, a former U.S. Army base.
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Candela
The candela (or; symbol: cd) is the base unit of luminous intensity in the International System of Units (SI); that is, luminous power per unit solid angle emitted by a point light source in a particular direction.
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Carbon dioxide
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
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Carbon dioxide sensor
A carbon dioxide sensor or CO2 sensor is an instrument for the measurement of carbon dioxide gas.
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Carbon monoxide
Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.
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Carbon monoxide detector
A carbon monoxide detector or CO detector is a device that detects the presence of the carbon monoxide (CO) gas in order to prevent carbon monoxide poisoning.
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Cold cathode
A cold cathode is a cathode that is not electrically heated by a filament.
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CSIRO
The Commonwealth Scientific and Industrial Research Organisation (CSIRO) is an independent Australian federal government agency responsible for scientific research.
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Curie
The curie (symbol Ci) is a non-SI unit of radioactivity originally defined in 1910.
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Daylight saving time
Daylight saving time (abbreviated DST), sometimes referred to as daylight savings time in U.S., Canadian, and Australian speech, and known as summer time in some countries, is the practice of advancing clocks during summer months so that evening daylight lasts longer, while sacrificing normal sunrise times.
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Decibel
The decibel (symbol: dB) is a unit of measurement used to express the ratio of one value of a physical property to another on a logarithmic scale.
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Duane D. Pearsall
Duane Darwin "Dewey" Pearsall (3 March 1922 – 11 April 2010) was an American entrepreneur best known for developing and marketing the first battery-powered home smoke detector in 1965.
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Electric charge
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.
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Electric current
An electric current is a flow of electric charge.
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Electrical wiring
Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets and light fittings in a structure.
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Electrode
An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air).
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EN 54
The EN 54 Fire detection and fire alarm systems is a mandatory standard that specifies requirements and laboratory test for every component of fire detection and fire alarm system and it allows the free movement of construction products between countries of the European Union market.
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England
England is a country that is part of the United Kingdom.
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Fire
Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products.
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Fire alarm control panel
A fire alarm control panel (FACP), fire alarm control unit (FACU), or simply fire alarm panel is the controlling component of a fire alarm system.
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Fire alarm system
A fire alarm system has a number of devices working together to detect and warn people through visual and audio appliances when smoke, fire, carbon monoxide or other emergencies are present.
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First Alert
. First Alert is an American safety brand company, based in Aurora, Illinois. They make carbon monoxide detectors, smoke alarms, fire extinguishers, and other safety products like flashlights and fire escape ladders. They support fire safety in partnership with Safe Kids USA and The United States Fire Administration, providing smoke alarms at reduced cost to low-income families in the United States.
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Francis Robbins Upton
Francis Robbins Upton (1852 in Peabody, Massachusetts – March 10, 1921 in Orange, New Jersey) was an American physicist and mathematician.
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Gamma ray
A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.
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Garage (residential)
A residential garage is a walled, roofed structure for storing a vehicle or vehicles that may be part of or attached to a home ("attached garage"), or a separate outbuilding or shed ("detached garage").
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Half-life
Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half its initial value.
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Hall
In architecture, a hall is a relatively large space enclosed by a roof and walls.
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Heat detector
A heat detector is a fire alarm device designed to respond when the convected thermal energy of a fire increases the temperature of a heat sensitive element.
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Incandescent light bulb
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a wire filament heated to such a high temperature that it glows with visible light (incandescence).
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International Association of Fire Fighters
The International Association of Fire Fighters (IAFF) is a labor union representing professional fire fighters and emergency medical services personnel in the United States and Canada.
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International Building Code
The International Building Code (IBC) is a model building code developed by the International Code Council (ICC).
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Ion
An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).
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Ionization
Ionization or ionisation, is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.
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Ionization chamber
The ionization chamber is the simplest of all gas-filled radiation detectors, and is widely used for the detection and measurement of certain types of ionizing radiation; X-rays, gamma rays, and beta particles.
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Law
Law is a system of rules that are created and enforced through social or governmental institutions to regulate behavior.
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Lens (optics)
A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.
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Life Safety Code
The publication Life Safety Code, known as NFPA 101, is a consensus standard widely adopted in the United States.
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Light-emitting diode
A light-emitting diode (LED) is a two-lead semiconductor light source.
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Lithium battery
Lithium batteries are primary batteries that have lithium as an anode.
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Local government
A local government is a form of public administration which, in a majority of contexts, exists as the lowest tier of administration within a given state.
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Micrometre
The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is an SI derived unit of length equaling (SI standard prefix "micro-".
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Molecule
A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.
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Municipality
A municipality is usually a single urban or administrative division having corporate status and powers of self-government or jurisdiction as granted by national and state laws to which it is subordinate.
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National Fire Protection Association
The National Fire Protection Association (NFPA) is a United States trade association, albeit with some international members, that creates and maintains private, copyrighted standards and codes for usage and adoption by local governments.
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National Institute of Standards and Technology
The National Institute of Standards and Technology (NIST) is one of the oldest physical science laboratories in the United States.
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New York (state)
New York is a state in the northeastern United States.
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Nine-volt battery
The nine-volt battery, or 9-volt battery, is a common size of battery that was introduced for the early transistor radios.
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Optical beam smoke detector
An optical beam smoke detector is a device that uses a projected beam of light to detect smoke across large areas, typically as an indicator of fire.
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Photodiode
A photodiode is a semiconductor device that converts light into an electrical current.
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Radiative transfer
Radiative transfer is the physical phenomenon of energy transfer in the form of electromagnetic radiation.
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Radionuclide
A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is an atom that has excess nuclear energy, making it unstable.
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Rotterdam (town), New York
Rotterdam is a town in Schenectady County, New York, United States.
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Scattering
Scattering is a general physical process where some forms of radiation, such as light, sound, or moving particles, are forced to deviate from a straight trajectory by one or more paths due to localized non-uniformities in the medium through which they pass.
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Security alarm
A security alarm is a system designed to detect intrusion – unauthorized entry – into a building or other area.
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Sensitivity (electronics)
The sensitivity of an electronic device, such as a communications system receiver, or detection device, such as a PIN diode, is the minimum magnitude of input signal required to produce a specified output signal having a specified signal-to-noise ratio, or other specified criteria.
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Smoke detector
A smoke detector is a device that senses smoke, typically as an indicator of fire.
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Solid-state electronics
Solid-state electronics means semiconductor electronics; electronic equipment using semiconductor devices such as semiconductor diodes, transistors, and integrated circuits (ICs).
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Stairs
A stairway, staircase, stairwell, flight of stairs, or simply stairs is a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps.
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Strobe light
A strobe light or stroboscopic lamp, commonly called a strobe, is a device used to produce regular flashes of light.
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The New York Times
The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.
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The New York Times Company
The New York Times Company is an American media company which publishes its namesake, The New York Times.
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Thomas Edison
Thomas Alva Edison (February 11, 1847October 18, 1931) was an American inventor and businessman, who has been described as America's greatest inventor.
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Time (magazine)
Time is an American weekly news magazine and news website published in New York City.
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Time Inc.
Time Inc. was an American worldwide mass media corporation founded on November 28, 1922 by Henry Luce and Briton Hadden and based in New York City.
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U.S. state
A state is a constituent political entity of the United States.
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UL (safety organization)
UL is a global safety consulting and certification company headquartered in Northbrook, Illinois.
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Uninterruptible power supply
An uninterruptible power supply or uninterruptible power source (UPS) is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails.
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United States Atomic Energy Commission
The United States Atomic Energy Commission, commonly known as the AEC, was an agency of the United States government established after World War II by U.S. Congress to foster and control the peacetime development of atomic science and technology.
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United States Department of Health and Human Services
The United States Department of Health and Human Services (HHS), also known as the Health Department, is a cabinet-level department of the U.S. federal government with the goal of protecting the health of all Americans and providing essential human services.
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United States Environmental Protection Agency
The Environmental Protection Agency is an independent agency of the United States federal government for environmental protection.
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Visibility
In meteorology, visibility is a measure of the distance at which an object or light can be clearly discerned.
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Voltage
Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.
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WTHR
WTHR, virtual and VHF digital channel 13, is an NBC-affiliated television station licensed to Indianapolis, Indiana, United States.
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References
[1] https://en.wikipedia.org/wiki/Smoke_detector
