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Elements of a pocket television CRT: (1) Recessed Screen, (2) Electron Beam, (3) Electron Gun. These devices often have stereo 1⁄8 inch (3.5 mm) phono plugs for composite video-analog mono audio relay to serve them as composite monitors; also, some models have mono 3.5 mm jacks for the broadcast signal that is usually relayed via F connector or Belling-Lee connector on standard television ...
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However, except in South Korea, consumer acceptance of broadcast mobile TV has been limited due to lack of compatible devices. [2] Early mobile TV receivers were based on old analog television systems. They were the earliest televisions that could be placed in a coat pocket. The first was the Panasonic IC TV MODEL TR-001, introduced in 1970.
Philco Socket Power A & B Battery Eliminators - 1925 August brochure Philco Model B-60 "B" Socket Power Battery Eliminator - August 1925 Until the mid- to late-1920s, all radios except crystal sets were powered by vacuum tube batteries which were expensive, needed frequent charging, and leaked battery acid , reducing the wife approval factor in ...
The Sinclair TV80, also known as the Flat Screen Pocket TV or FTV1, was a pocket television released by Sinclair Research in September 1983. Unlike Sinclair's earlier attempts at a portable television , the TV80 used a flat CRT with a side-mounted electron gun instead of a conventional CRT; the picture was made to appear larger than it was by ...
In the 1970s, actor Robert Conrad was the spokesman for Eveready Alkaline Power Cells, in which he compared his tough physique to the performance of the battery placed on his shoulder, and daring someone to knock it off. [45] In the early 1980s, it utilized the slogan, "Energized, for life!", showing people using Energizers in everyday situations.