NEWS
VR

Projector imaging principle: CRT three-gun projector-Alice factory

October 13, 2021

CRT is the abbreviation of English Cathode Ray Tube, translated as cathode ray tube. As an imaging device, it is the earliest and most widely used display technology. This kind of projector can decompose the input signal source into R (red), G (green) and B (blue) on the phosphor screen of three CRT tubes. The phosphor is amplified, converged, and displayed on the large screen under high pressure. Color image. The optical system and the RT tube form a projection tube. The three-gun projector is usually a projector composed of three projection tubes. Because of the use of an internal light source, it is also called an active projection method. CRT technology is mature, the displayed image is rich in color, good in reproducibility, and has rich geometric distortion adjustment capabilities; but its important technical indicators image resolution and brightness are mutually restricted, which directly affects the brightness value of the CRT projector. So far, its brightness The value always hovered below 300lm. In addition, the CRT projector is complicated to operate, especially the convergence adjustment is cumbersome, and the body is large. It is only suitable for installation in relatively fixed places with weak ambient light, and is not suitable to be moved.

[Disclaimer: The above content comes from the Internet, and does not represent the views of this site. I hope some of the content can help you. 】


We (Alice) are a professional manufacturer of furniture nameplates, focusing on providing supporting services for the furniture industry, machinery industry, electronic and electrical industry and other industries, mainly producing zinc alloy, aluminum, stainless steel, copper, brass, pvc, etc. Label.

Contact us E-mail: sales03@alicelogo.com

Basic Information
  • Year Established
    --
  • Business Type
    --
  • Country / Region
    --
  • Main Industry
    --
  • Main Products
    --
  • Enterprise Legal Person
    --
  • Total Employees
    --
  • Annual Output Value
    --
  • Export Market
    --
  • Cooperated Customers
    --
Chat with Us

Send your inquiry

Choose a different language
English
العربية
Deutsch
Español
français
italiano
日本語
한국어
Português
русский
简体中文
繁體中文
Afrikaans
አማርኛ
Azərbaycan
Беларуская
български
বাংলা
Bosanski
Català
Sugbuanon
Corsu
čeština
Cymraeg
dansk
Ελληνικά
Esperanto
Eesti
Euskara
فارسی
Suomi
Frysk
Gaeilgenah
Gàidhlig
Galego
ગુજરાતી
Hausa
Ōlelo Hawaiʻi
हिन्दी
Hmong
Hrvatski
Kreyòl ayisyen
Magyar
հայերեն
bahasa Indonesia
Igbo
Íslenska
עִברִית
Basa Jawa
ქართველი
Қазақ Тілі
ខ្មែរ
ಕನ್ನಡ
Kurdî (Kurmancî)
Кыргызча
Latin
Lëtzebuergesch
ລາວ
lietuvių
latviešu valoda‎
Malagasy
Maori
Македонски
മലയാളം
Монгол
मराठी
Bahasa Melayu
Maltese
ဗမာ
नेपाली
Nederlands
norsk
Chicheŵa
ਪੰਜਾਬੀ
Polski
پښتو
Română
سنڌي
සිංහල
Slovenčina
Slovenščina
Faasamoa
Shona
Af Soomaali
Shqip
Српски
Sesotho
Sundanese
svenska
Kiswahili
தமிழ்
తెలుగు
Точики
ภาษาไทย
Pilipino
Türkçe
Українська
اردو
O'zbek
Tiếng Việt
Xhosa
יידיש
èdè Yorùbá
Zulu
Current language:English