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A push-button telephone is a telephone that has buttons or keys for dialing a telephone number, in contrast to a rotary dial used in earlier telephones.. Western Electric experimented as early as 1941 with methods of using mechanically activated reeds to produce two tones for each of the ten digits and by the late 1940s such technology was field-tested in a No. 5 Crossbar switching system in ...
It was the first commercially marketed telephone to incorporate the dial and handset into a single unit. Because of its styling and its influence on future telephone design, the Ericofon is considered one of the most significant industrial designs of the 20th century by Phaidon. [1] It is in the collection of the Museum of Modern Art in New ...
The Western Electric model 500 telephone series was the standard domestic desk telephone set issued by the Bell System in North America from 1950 through the 1984 Bell System divestiture. The successor to the model 302 telephone , the model 500's modular construction compared to previous types simplified manufacture and repair and facilitated a ...
1970: modular telephone cords and jacks introduced. 1970: Amos E. Joel, Jr. of Bell Labs invented the "call handoff" system for "cellular mobile communication system" (patent granted 1972). 1970: British companies Pye TMC, Marconi-Elliott and GEC develop the digital push-button telephone, based on metal–oxide–semiconductor (MOS) integrated ...
The handset cradle functioned as a carrying handle when the receiver was off the hook, and the coiled cord in theory allowed the phone to be carried around. The Trimphone is a model of telephone designed in the early 1960s in the UK , the first prototypes appearing in 1965.
The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.
The Tele. 162 Handset Micro Telephone, was the first UK phone to incorporate the transmitter and receiver into a single unit, 'The Handset', which had not been used on telephones in the UK since the very early metal and wood cased models, and the BPO preference for a separate transmitter and Bell receiver, as on the Tele. 150 and Tele. 121.
The Princess telephone was introduced by the Bell System in 1959. It was a compact telephone designed for convenient use in the bedroom, and contained a light-up dial for use as a night-light. It was a compact telephone designed for convenient use in the bedroom, and contained a light-up dial for use as a night-light.