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Fast-Food Drive-Thrus, Ranked. In 1948, In-N-Out came up with the most quintessentially American technology: the modern drive-thru.With its intercom ordering system and promise of fast service ...
Some fast food chains, such as this Rally's located near New Orleans, Louisiana, have two drive-throughs. A drive-through or drive-thru (a sensational spelling of the word through ), is a type of take-out service provided by a business that allows customers to purchase products without leaving their cars. The format was pioneered in the United ...
An intercom, also called an intercommunication device, intercommunicator, or interphone, is a stand-alone voice communications system for use within a building, small collection of buildings or portably within a small coverage area, which functions independently of the public telephone network. [1] Intercoms are generally mounted permanently in ...
Power line adapter. Power-line communication ( PLC) is the carrying of data on a conductor that is also used simultaneously for AC electric power transmission or electric power distribution to consumers. The line that does so is known as a power-line carrier . In the past, power lines were solely used for transmitting electricity.
The earliest intercom uses date back to the late 1960s and early 1970s, when concerts became too loud to allow for waving pieces of paper or shouting from the stage to the back of the hall.
Clear-Com. Clear-Com, also known as ClearCom, is a manufacturer of electronic intercom products, widely used to enable stage management and crew communications in theatre, filmmaking, video and television production, concerts, professional sports competitions, special events and audiovisual presentations. Providing the first portable party-line ...
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