Electromagnetics

• Frequency converter
• "voltage converter
  Voltage converter
  A voltage converter changes the voltage of an electrical power source. It may be combined with other components to create a power supply.-AC and DC:...
  
  ", another name for
  • electromagnetic transformer
    Transformer
    A transformer is a device that transfers electrical energy from one circuit to another through inductively coupled conductors—the transformer's coils. A varying current in the first or primary winding creates a varying magnetic flux in the transformer's core and thus a varying magnetic field...
    
    
  • switched-mode power supply
    Switched-mode power supply
    A switched-mode power supply is an electronic power supply that incorporates a switching regulator in order to be highly efficient in the conversion of electrical power...
    
    
  • DC to DC converter
    DC to DC converter
    A DC-to-DC converter is an electronic circuit which converts a source of direct current from one voltage level to another. It is a class of power converter.- Usage :...
    
    

Electronics

• Digital-to-analog converter
  Digital-to-analog converter
  In electronics, a digital-to-analog converter is a device that converts a digital code to an analog signal . An analog-to-digital converter performs the reverse operation...
  
  
• Analog-to-digital converter
  Analog-to-digital converter
  An analog-to-digital converter is a device that converts a continuous quantity to a discrete time digital representation. An ADC may also provide an isolated measurement...
  
  
• a combination local oscillator and mixer stage in a Superheterodyne receiver
  Superheterodyne receiver
  In electronics, a superheterodyne receiver uses frequency mixing or heterodyning to convert a received signal to a fixed intermediate frequency, which can be more conveniently processed than the original radio carrier frequency...
  
  
• "converter", an alternate name for a remote control
  Remote control
  A remote control is a component of an electronics device, most commonly a television set, used for operating the television device wirelessly from a short line-of-sight distance.The remote control is usually contracted to remote...
  
  

In television

• Cable converter box
  Cable converter box
  A cable converter box or television converter box is an electronic tuning device that transposes/converts any of the available channels from a cable television service to an analog RF signal on a single channel, usually VHF channel 3 or 4. The device allows a television set that is not “cable...
  
  , an electronic device use in Cable Television Systems
• Digital television adapter
  Digital television adapter
  A digital television adapter , or digital-to-analog converter [set-top box], or commonly known as a converter box, it is a television tuner that receives a digital television transmission, and converts the digital signal into an analog signal that can be received and displayed on an analog...
  
  , sometimes known as a "converter box"

Information technology

• low-noise block converter
  Low-noise block converter
  A low-noise block downconverter is the receiving device of a parabolic satellite dish antenna of the type commonly used for satellite TV reception...
  
  , in communications
• scan converter
  Scan conversion
  Scan conversion or scan rate converting is a video processing technique for changing the vertical / horizontal scan frequency of video signal for different purposes and applications...
  
   between video formats
• File format converter convert between various file formats

Metallurgy

• converter (metallurgy)
• Bessemer converter, a metallurgical process for steelmaking
• a process vessel in Basic oxygen steelmaking
  Basic oxygen steelmaking
  Basic oxygen steelmaking , also known as Linz-Donawitz-Verfahren steelmaking or the oxygen converter process is a method of primary steelmaking in which carbon-rich molten pig iron is made into steel. Blowing oxygen through molten pig iron lowers the carbon content of the alloy and changes it into...
  
  

Vehicles, automobiles

• catalytic converter
  Catalytic converter
  A catalytic converter is a device used to convert toxic exhaust emissions from an internal combustion engine into non-toxic substances. Inside a catalytic converter, a catalyst stimulates a chemical reaction in which noxious byproducts of combustion are converted to less toxic substances by dint...
  
  , in automobiles
• Autogas Converter, part of an automotive LPG system, also known as a vaporiser or pressure reducer

Miscellaneous

• converter (music), the name of a noise music project by Scott Sturgis
• Torque converter
  Torque converter
  In modern usage, a torque converter is generally a type of hydrodynamic fluid coupling that is used to transfer rotating power from a prime mover, such as an internal combustion engine or electric motor, to a rotating driven load...
  
  
• fountain pen
  Fountain pen
  A fountain pen is a nib pen that, unlike its predecessor the dip pen, contains an internal reservoir of water-based liquid ink. The pen draws ink from the reservoir through a feed to the nib and deposits it on paper via a combination of gravity and capillary action...
  
   converter, a removable filling mechanism for fountain pens
• unit converter