Handheld television

Source: Wikipedia, the free encyclopedia.

A handheld television is a

.

History

Sony Watchman

In 1970,

CRT
which set the record for being the smallest CRT on a commercially marketed product.

Later in 1982,

active-matrix LCD was released. Some smartphones
integrate a television receiver, although Internet broadband video is far more common.

Since the switch-over to digital broadcasting, handheld TVs have reduced in size and improved in quality.[dubious ][citation needed] Portable TV was eventually brought to digital TV with DVB-H, although it didn't see much success.

Hardware

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 models.

Some include

SD
ports.

Screen sizes vary from 1.3 to 5 inches (33 to 127 mm). Some handheld televisions also double as portable DVD players and USB personal video recorders.

Size

Portable televisions cannot fit in a pocket, but often run on batteries and include a

cigarette lighter receptacle
plug.

Pocket televisions fit in a pocket.

Wearable televisions sometimes are made in the form of a

wristwatch
.

Notable brands and models

See also

  • Handheld electronics

References

  1. ^ "1970年代 カラーテレビの普及が加速 | パナソニック テレビと家電の歴史 | テレビ ビエラ | 東京2020オリンピック・パラリンピック公式テレビ | Panasonic". panasonic.jp (in Japanese). Retrieved 2020-04-11.
  2. ^ "Sony Japan | Sony Design|History|1980s". www.sony.co.jp (in Japanese). Retrieved 2020-04-11.

External links