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Portable TVs

Television is a telecommunication system for broadcasting and receiving moving pictures and sound over a distance. The term has come to refer to all the aspects of television programming and transmission as well. more...

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History

The development of television technology can be divided along two lines: those developments that depended upon both mechanical and electronic principles, and those which are purely electronic. From the latter descended all modern televisions, but these would not have been possible without discoveries and insights from the mechanical systems.

The word television is a hybrid word, created from both Greek and Latin. Tele- is Greek for "far", while -vision is from the Latin visio, meaning "vision" or "sight". It is often abbreviated as TV or the telly.

Electromechanical television

The German student Paul Gottlieb Nipkow proposed and patented the first electromechanical television system in 1885. Nipkow's spinning disk design is credited with being the first television image rasterizer. However, it wasn't until 1907 that developments in amplification tube technology made the design practical. Meanwhile, Constantin Perskyi had coined the word television in a paper read to the International Electricity Congress at the International World Fair in Paris on August 25, 1900. Perskeyi's paper reviewed the existing electromechanical technologies, mentioning the work of Nipkow and others.

In 1911, Boris Rosing and his student Vladimir Kosma Zworykin created a television system that used a mechanical mirror-drum scanner to transmit, in Zworykin's words, "very crude images" over wires to the electronic Braun tube (cathode ray tube) in the receiver. Moving images were not possible because, in the scanner, "the sensitivity was not enough and the selenium cell was very laggy." Zworykin later went to work for RCA to build a purely electronic television, the design of which was eventually found to violate patents by Philo Taylor Farnsworth.

On March 25, 1925, Scottish inventor John Logie Baird gave a demonstration of televised silhouette images at Selfridge's Department Store in London. But if television is defined as the transmission of live, moving, half-tone (grayscale) images, and not silhouette or still images, Baird achieved this privately on October 2, 1925, and gave the world's first public demonstration of a working television system to members of the Royal Institution and a newspaper reporter on January 26, 1926 at his laboratory in London. Unlike later electronic systems with several hundred lines of resolution, Baird's vertically scanned image, using a scanning disc embedded with a double spiral of lenses, had only 30 lines, just enough to reproduce a recognizable human face.

In 1928 Baird's company (Baird Television Development Company / Cinema Television) broadcast the first transatlantic television signal, between London and New York, and the first shore to ship transmission. He also demonstrated an electromechanical color, infrared (dubbed "Noctovision"), and stereoscopic television, using additional lenses, disks and filters. In parallel he developed a video disk recording system dubbed "Phonovision"; a number of the Phonovision recordings, dating back to 1927, still exist. In 1929 he became involved in the first experimental electromechanical television service in Germany. In 1931 he made the first live transmission, of the Epsom Derby. In 1932 he demonstrated ultra-short wave television. Baird's electromechanical system reached a peak of 240 lines of resolution on BBC television broadcasts in 1936, before being discontinued in favor of a 405 line all-electronic system.

Read more at Wikipedia.org


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Vintage 80's Rca Solid State Portable Black & White Tv Television 12"Vintage 80's Rca Solid State Portable Black & White Tv Television 12" $42.83 Rca Portable Digital Tv (Rtv86073) Widescreen 480i Hd Lcd New Open BoxRca Portable Digital Tv (Rtv86073) Widescreen 480i Hd Lcd New Open Box $45.99
Trexonic 13.3 Inch Portable Tv+Dvd Player Lcd Screen 1280 x 800 BlackTrexonic 13.3 Inch Portable Tv+Dvd Player Lcd Screen 1280 x 800 Black $74.99 Portable Hd 9.8 Inch Tv Home Car Dvd Player Rotate Screen Vcd Cd Mp3 Player N3R6Portable Hd 9.8 Inch Tv Home Car Dvd Player Rotate Screen Vcd Cd Mp3 Player N3R6 $53.91
Supersonic - 16" inch, Portable Led Tv w/ Hdmi, & Fm RadioSupersonic - 16" inch, Portable Led Tv w/ Hdmi, & Fm Radio $119.99 Vizio Vmb070 7" Edge Lit Razor Led Lcd Portable TvVizio Vmb070 7" Edge Lit Razor Led Lcd Portable Tv $45.95
othoig 14inch Small Portable Tv with Rechargeable Battery-Digital Atscothoig 14inch Small Portable Tv with Rechargeable Battery-Digital Atsc $93.80 Trexonic Red 14.1” Portable Folding Tv Dvd Player Swivel Tft Lcd Hdmi w Extras!Trexonic Red 14.1” Portable Folding Tv Dvd Player Swivel Tft Lcd Hdmi w Extras! $133.74
Sony Fdl-3500 Gray Portable Analog Lcd Color Tv Am/Fm Watchman Japan W/CaseSony Fdl-3500 Gray Portable Analog Lcd Color Tv Am/Fm Watchman Japan W/Case $78.88 Supersonic 9" Portable Widescreen Lcd Tv w/ Digital Tv Tuner & 720p ResolutionSupersonic 9" Portable Widescreen Lcd Tv w/ Digital Tv Tuner & 720p Resolution $96.90
Eyoyo 12" Portable Tv Tuner Atsc Ntsc 1366x768 Small Tv Monitor Remote ControlEyoyo 12" Portable Tv Tuner Atsc Ntsc 1366x768 Small Tv Monitor Remote Control $65.45 Audiobox Tv-15 Portable 15" Lcd Tv & Monitor with Hdmi Rechargeable Battery 60HzAudiobox Tv-15 Portable 15" Lcd Tv & Monitor with Hdmi Rechargeable Battery 60Hz $109.00
Nice Vintage Sony Tv 8-301W The First Sony portable Tv / 1961 S#39370 - Work!Nice Vintage Sony Tv 8-301W The First Sony portable Tv / 1961 S#39370 - Work! $279.99 Eyoyo 12” Portable Screen Tv Digital Tuner Atsc Ntsc 1366x768 Small Tv MonitorEyoyo 12” Portable Screen Tv Digital Tuner Atsc Ntsc 1366x768 Small Tv Monitor $65.45
22 Inch 1080p Portable Touch Screen Monitor Rollable Tablet Tv with Android22 Inch 1080p Portable Touch Screen Monitor Rollable Tablet Tv with Android $449.10 Sylvania Srt069 Grey 5” Portable Black & White Tv With Am/Fm Radio TestedSylvania Srt069 Grey 5” Portable Black & White Tv With Am/Fm Radio Tested $27.00
7in 16:9 Hd Digital Analog Portable Tv Color TeleVis-ion Player For Home Car Ap97in 16:9 Hd Digital Analog Portable Tv Color TeleVis-ion Player For Home Car Ap9 $72.30 New ListingZenith 12" B&W Portable Crt Tv Vintage 1960's Black & White Television ~ Works!New ListingZenith 12" B&W Portable Crt Tv Vintage 1960's Black & White Television ~ Works! $149.95
Coby Ctv-555 Portable 5.5” Tv Color Crt With Am/Fm Radio, Vintage Gaming TvCoby Ctv-555 Portable 5.5” Tv Color Crt With Am/Fm Radio, Vintage Gaming Tv $140.00 New ListingSupersonic Sc-335 3.5" Portable Tft Lcd Tv with Fm Radio and Sd Card SlotNew ListingSupersonic Sc-335 3.5" Portable Tft Lcd Tv with Fm Radio and Sd Card Slot $50.00
New ListingHitachi Black and white portable Tv Model I-60 made in 1977 excellent conditionNew ListingHitachi Black and white portable Tv Model I-60 made in 1977 excellent condition $50.00 Desobry 10.5 In. Flat Portable Tv W/Antenna For Car/CampingDesobry 10.5 In. Flat Portable Tv W/Antenna For Car/Camping $72.80
eXuby 14" Small Portable Tv for Kitchen, Bedroom, Car, Rv - Pre OwnedeXuby 14" Small Portable Tv for Kitchen, Bedroom, Car, Rv - Pre Owned $64.99 Supersonic Sc-335 3.5" Portable Tft Lcd Tv with Fm Radio and Sd Card SlotSupersonic Sc-335 3.5" Portable Tft Lcd Tv with Fm Radio and Sd Card Slot $64.99
Vintage Casio Portable Lcd Color Television Tv-8500Vintage Casio Portable Lcd Color Television Tv-8500 $19.95 Supersonic 15' Portable Lcd Tv Hdmi Usb/Sd Fm Remote Ac/Dc Rechargeable w/DolbySupersonic 15' Portable Lcd Tv Hdmi Usb/Sd Fm Remote Ac/Dc Rechargeable w/Dolby $142.99
Sharp 3S-111R Vintage Crt Tv Working Portable Tv Japan Orange Space AgeSharp 3S-111R Vintage Crt Tv Working Portable Tv Japan Orange Space Age $499.00 Trexonic 12” Portable Rechargeable Widescreen Led Tv w Remote Av Sd Hdmi UsbTrexonic 12” Portable Rechargeable Widescreen Led Tv w Remote Av Sd Hdmi Usb $119.34
vintage motorola portable tv model Vt-71 made in 1948vintage motorola portable tv model Vt-71 made in 1948 $300.00 Eviant T4 Series 4.3” Portable Digital TvEviant T4 Series 4.3” Portable Digital Tv $20.00
5 Inch Portable Tv Atsc Hd Tft Led Pocket Digital Television Mini Tv 1080P5 Inch Portable Tv Atsc Hd Tft Led Pocket Digital Television Mini Tv 1080P $74.25 Tyler 13" Portable Tv Lcd Battery Powered Wireless Capa. Hd-Tv, Hdmi, Sd, Rca AcTyler 13" Portable Tv Lcd Battery Powered Wireless Capa. Hd-Tv, Hdmi, Sd, Rca Ac $89.95
Axion 8" Portable Lcd Tv Television Axn-7080 Rare Built In Dvd player StereoAxion 8" Portable Lcd Tv Television Axn-7080 Rare Built In Dvd player Stereo $119.99 5 Inch Portable Tv, Mini Tv for Car, Pocket Battery Operated Tv with Remote, Usb5 Inch Portable Tv, Mini Tv for Car, Pocket Battery Operated Tv with Remote, Usb $70.62
Supersonic Portable 9" Lcd Tv Digital Tuner, Fm , Rechargeable Bat Ac/Dc Sc-599Supersonic Portable 9" Lcd Tv Digital Tuner, Fm , Rechargeable Bat Ac/Dc Sc-599 $89.99 Spectra 5" Portable Black & White Tv Am/Fm Radio Blue 5-Bwrt-Bl Brand NewSpectra 5" Portable Black & White Tv Am/Fm Radio Blue 5-Bwrt-Bl Brand New $39.95
Tyler Ttv701 7" Portable Widescreen Lcd Tv with Detachable Antennas, Usb/Sd CardTyler Ttv701 7" Portable Widescreen Lcd Tv with Detachable Antennas, Usb/Sd Card $59.95 1985 Vintage Portable 5" B/W Tv Samsung Television Am/Fm Radio Bt-123Aj, Works!1985 Vintage Portable 5" B/W Tv Samsung Television Am/Fm Radio Bt-123Aj, Works! $29.97
Trexonic 12.5 Inch Portable Travel Tv Dvd Hd Digital Hdmi Usb Screen RotatesTrexonic 12.5 Inch Portable Travel Tv Dvd Hd Digital Hdmi Usb Screen Rotates $69.99 Rca Digital Tv Dptm70R Portable 7" Lcd Built-In Speakers Case See DescriptionRca Digital Tv Dptm70R Portable 7" Lcd Built-In Speakers Case See Description $29.99
Supersonic 16” Portable Led Tv Hdmi Usb/Sd Fm Remote Ac/Dc Rechargeable Sc-2816Supersonic 16” Portable Led Tv Hdmi Usb/Sd Fm Remote Ac/Dc Rechargeable Sc-2816 $129.99 15.4" Portable Led Hd Tv 12V Ac/Dc Hdtv Tv-15D w/ Usb Drive Sd Card Reader Hdmi15.4" Portable Led Hd Tv 12V Ac/Dc Hdtv Tv-15D w/ Usb Drive Sd Card Reader Hdmi $119.95
Rechargeable Emergency/Entertainment Tyler 14" Portable Tv Lcd 1080 (Acc)Rechargeable Emergency/Entertainment Tyler 14" Portable Tv Lcd 1080 (Acc) $89.95 Broksonic 9" Crt Portable Color Tv / Dvd Combo Model Ccvg-297Broksonic 9" Crt Portable Color Tv / Dvd Combo Model Ccvg-297 $109.99
Trexonic 12” Portable Led Widescreen Tv D12 Lightweight w Remote Hdmi Sd Usb AvTrexonic 12” Portable Led Widescreen Tv D12 Lightweight w Remote Hdmi Sd Usb Av $74.95 Eyoyo 12" Portable Tv Dual Tuner Atsc Ntsc 1366x768 Small Tv Monitor Hdmi Av UsbEyoyo 12" Portable Tv Dual Tuner Atsc Ntsc 1366x768 Small Tv Monitor Hdmi Av Usb $65.45
Sylvox 15.6 inch Portable Tv 10000 mAh smart Google Tv 12V Dc 1080P WaterproofSylvox 15.6 inch Portable Tv 10000 mAh smart Google Tv 12V Dc 1080P Waterproof $319.00 Digital Prism Atsc-710 Portable 7” Handheld Lcd Tv w/ Remote & Ac Adapter WorksDigital Prism Atsc-710 Portable 7” Handheld Lcd Tv w/ Remote & Ac Adapter Works $40.00
Tyler 13.3” Portable Tv Lcd Monitor 1080P Rechargeable Lithium Battery OperatedTyler 13.3” Portable Tv Lcd Monitor 1080P Rechargeable Lithium Battery Operated $89.95 Naxa 9" Portable Tv & Digital Multimedia Player Nt-90 In BoxNaxa 9" Portable Tv & Digital Multimedia Player Nt-90 In Box $29.29
eXuby 14" Small Portable Tv for Kitchen, Bedroom - Streaming Device CompatibleeXuby 14" Small Portable Tv for Kitchen, Bedroom - Streaming Device Compatible $124.99 New ListingLeadstar D5 5-Inch Portable Digital Tv Atsc Pocket Television with RemoteNew ListingLeadstar D5 5-Inch Portable Digital Tv Atsc Pocket Television with Remote $54.99
Tyler Ttv701 7" Portable Widescreen Digital Lcd Tv New Open BoxTyler Ttv701 7" Portable Widescreen Digital Lcd Tv New Open Box $84.99 Supersonic Sc-499 9" Portable Rechargeable Digital Lcd Tv Ac/Dc CompatibleSupersonic Sc-499 9" Portable Rechargeable Digital Lcd Tv Ac/Dc Compatible $66.66
Vintage Silver Spectra 5” Portable B&W Television Tv Am/Fm Radio 507-BwrVintage Silver Spectra 5” Portable B&W Television Tv Am/Fm Radio 507-Bwr $24.95 1987 Bentley Deluxe Portable 5 Inch Black White Tv Model No 100C Nice New In Box1987 Bentley Deluxe Portable 5 Inch Black White Tv Model No 100C Nice New In Box $32.98
SuperSonic Sc-2812 12" Portable Lcd Tv Ac/Dc Compatible W Rv/Boat RechargeableSuperSonic Sc-2812 12" Portable Lcd Tv Ac/Dc Compatible W Rv/Boat Rechargeable $98.99
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Prices current as of last update, 04/21/25 10:50pm.

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