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32 relations: Automatic test equipment, Bell System, Bobbin, Corrosion, Crossbar switch, DMS-100, Electromagnet, Electromagnetic coil, Gold, Hermetic seal, Magnetic-core memory, Magnetism, Measuring instrument, Microwave, Number Five Crossbar Switching System, Number One Electronic Switching System, Photomultiplier, PRX (telephony), Reed receiver, Reed switch, Relay, Remanence, Silver, Stored program control, Stromberg-Carlson, Sulfur hexafluoride, Telephone exchange, Two-out-of-five code, TXE, Vibrator (electronic), Wire spring relay, 5ESS Switching System.
Automatic test equipment
Automatic test equipment or automated test equipment (ATE) is any apparatus that performs tests on a device, known as the device under test (DUT), equipment under test (EUT) or unit under test (UUT), using automation to quickly perform measurements and evaluate the test results.
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Bell System
The Bell System was the system of companies, led by the Bell Telephone Company and later by AT&T, which provided telephone services to much of the United States and Canada from 1877 to 1984, at various times as a monopoly.
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Bobbin
A bobbin is a spindle or cylinder, with or without flanges, on which wire, yarn, thread or film is wound.
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Corrosion
Corrosion is a natural process, which converts a refined metal to a more chemically-stable form, such as its oxide, hydroxide, or sulfide.
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Crossbar switch
In electronics, a crossbar switch (cross-point switch, matrix switch) is a collection of switches arranged in a matrix configuration.
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DMS-100
The DMS-100 Switch Digital Multiplex System (DMS) was a line of telephone exchange switches manufactured by Northern Telecom.
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Electromagnet
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.
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Electromagnetic coil
An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil, spiral or helix.
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Gold
Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.
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Hermetic seal
A hermetic seal is any type of sealing that makes a given object airtight (excludes the passage of air, oxygen, or other gases).
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Magnetic-core memory
Magnetic-core memory was the predominant form of random-access computer memory for 20 years between about 1955 and 1975.
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Magnetism
Magnetism is a class of physical phenomena that are mediated by magnetic fields.
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Measuring instrument
A measuring instrument is a device for measuring a physical quantity.
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Microwave
Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between and.
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Number Five Crossbar Switching System
The Number Five Crossbar Switching System (5XB switch) is a telephone switch for telephone exchanges designed by Bell Labs and manufactured by Western Electric starting in 1947.
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Number One Electronic Switching System
The Number One Electronic Switching System (1ESS) was the first large-scale stored program control (SPC) telephone exchange or electronic switching system in the Bell System.
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Photomultiplier
Photomultiplier tubes (photomultipliers or PMTs for short), members of the class of vacuum tubes, and more specifically vacuum phototubes, are extremely sensitive detectors of light in the ultraviolet, visible, and near-infrared ranges of the electromagnetic spectrum.
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PRX (telephony)
The PRX205 (PRX/A) is a processor controlled reed relay telephone exchange developed by Philips Telecommunicatie Industrie BV (PTI) in Hilversum during the late 1960s and early 1970s.
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Reed receiver
A reed receiver or tuned reed receiver (US) was a form of multi-channel signal decoder used for early radio control systems.
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Reed switch
The reed switch is an electrical switch operated by an applied magnetic field.
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Relay
A relay is an electrically operated switch.
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Remanence
Remanence or remanent magnetization or residual magnetism is the magnetization left behind in a ferromagnetic material (such as iron) after an external magnetic field is removed.
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Silver
Silver is a chemical element with symbol Ag (from the Latin argentum, derived from the Proto-Indo-European ''h₂erǵ'': "shiny" or "white") and atomic number 47.
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Stored program control
Stored program control (SPC) was a telecommunications technology used for telephone exchanges controlled by a computer program stored in the memory of the switching system.
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Stromberg-Carlson
Stromberg-Carlson was a telecommunications equipment and electronics manufacturing company in the United States.
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Sulfur hexafluoride
Sulfur hexafluoride (SF6) is an inorganic, colorless, odorless, non-flammable, extremely potent greenhouse gas, and an excellent electrical insulator.
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Telephone exchange
A telephone exchange is a telecommunications system used in the public switched telephone network or in large enterprises.
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Two-out-of-five code
In telecommunication, a two-out-of-five code is an m of n code that provides exactly ten possible combinations, and thus is popular for representing decimal digits using five bits.
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TXE
TXE, which stands for telephone exchange electronic, was the designation given to a family of telephone exchanges developed by the British General Post Office (GPO), designed to replace the ageing Strowger systems.
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Vibrator (electronic)
In electronics before the development of switch-mode power supplies and the introduction of semiconductor devices operating off low voltage, there was a requirement to generate voltages of about 50 to 250V DC from vehicle batteries.
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Wire spring relay
A wire spring relay is a type of relay, that has springs made from drawn wires of nickel silver, rather than cut from flat sheet metal as in the flat-spring relay.
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5ESS Switching System
The 5ESS Switching System is a Class 5 telephone electronic switching system developed by Western Electric for the American Telephone and Telegraph Company (AT&T) and the Bell System in the United States.
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CrossReed, Crossreed, Crossreed relay, Dry reed relay, Ferreed, Ferreed relay, Herkon dry reed relay, Herkon reed relay, Herkon relay, Reed-relay, Remanent reed relay, Remreed, Remreed relay.
References
[1] https://en.wikipedia.org/wiki/Reed_relay
