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Vacuum tube used to display images
A cathode ray tube (CRT) is a vacuum tube containing one or more electron guns, which emit electron beams, which are directed and controlled to display
Cathode_ray_tube
Beam of electrons observed in vacuum tubes
Cathode rays are streams of electrons observed in discharge tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied
Cathode_ray
Device that controls current between electrodes
solid-state semiconductor technology. However, the cathode-ray tube (CRT), functionally an electron tube/valve though not usually so named, remained in use
Vacuum_tube
Vacuum tube that converts electrical input power into X-rays
bombard the cathode of the tube to release electrons, which are accelerated toward the anode and produce X-rays when they strike it. The Crookes tube was improved
X-ray_tube
Type of discharge tube
1869–1875, in which cathode rays, streams of electrons, were discovered. Developed from the earlier Geissler tube, the Crookes tube consists of a partially
Crookes_tube
Earliest known interactive electronic game
The cathode-ray tube amusement device is the earliest-known concept for an interactive electronic game, as well as the first game concept to incorporate
Cathode-ray tube amusement device
Cathode-ray_tube_amusement_device
Medium for transmitting moving images and sound
telly is more common in the UK. The slang term "the tube" derives from the bulky cathode-ray tube used on most TVs until the advent of flat-screen TVs
Television
Device for receiving and viewing video content
popular consumer product after World War II in electronic form, using cathode ray tube (CRT) technology. The addition of color to broadcast television beginning
Television_set
Electrode where reduction takes place
the current of interest is the reverse current. In vacuum tubes (including cathode ray tubes) it is the negative terminal where electrons enter the device
Cathode
Device used in television cameras
Video camera tubes are devices based on the cathode-ray tube that were used in television cameras to capture television images, prior to the introduction
Video_camera_tube
Type of electrode
In vacuum tubes and gas-filled tubes, a hot cathode or thermionic cathode is a cathode electrode which is heated to make it emit electrons due to thermionic
Hot_cathode
Electronic numeric display device
A Nixie tube (/ˈnɪk.siː/ NIK-see), or cold cathode display, is an electronic device used for displaying numerals or other information using glow discharge
Nixie_tube
Computer output device
replaced CCFL backlit LCDs. Before the mid-2000s, most monitors used a cathode ray tube (CRT) as the image output technology. A monitor is typically connected
Computer_monitor
Destruction of objects by self-collapsing
was created), creating a supernova. A high vacuum exists within all cathode-ray tubes. If the outer glass envelope is damaged, a dangerous implosion may
Implosion (mechanical process)
Implosion_(mechanical_process)
Type of electrode and part of cold cathode fluorescent lamp
emission of electrons. Early cold-cathode devices included the Geissler tube and Plucker tube, and early cathode-ray tubes. Study of the phenomena in these
Cold_cathode
Visual indicator of the amplitude of an electronic signal
station was properly tuned in. The magic eye tube was the first in a line of development of cathode ray type tuning indicators developed as a cheaper
Magic_eye_tube
German physicist (1850–1918)
development of radar, smart antennas, and MIMO. Braun built the first cathode-ray tube in 1897, which led to the development of television, and the first
K._Ferdinand_Braun
Type of integrated circuit
only support a very low resolution raster graphics mode. A CRTC, or cathode-ray tube controller, generates the video timings and reads video data from RAM
Video_display_controller
Games from the 1940s to the 1970s
definition of "video game" used. Following the 1947 invention of the cathode-ray tube amusement device—the earliest known interactive electronic game as
Early_history_of_video_games
Instrument for displaying time-varying signals
superseded by the oscilloscope which used a cathode-ray tube (CRT) as its display element. The Braun tube, the first version of the CRT, was known in
Oscilloscope
American electronics engineer and inventor (1901–1965)
American electronics engineer, scientist, and inventor who improved the cathode-ray tube in 1931 for use in television receivers. Seven years later he manufactured
Allen_B._DuMont
Beam of positively charged ions
because these rays passed through the holes or channels in the cathode. The process by which anode rays are formed in a gas-discharge anode ray tube is as follows
Anode_ray
Early form of computer memory
successfully in several early computers. The Williams tube works by displaying a grid of dots on a cathode-ray tube (CRT). Due to the way CRTs work, this creates
Williams_tube
Luminescent substance
cathodoluminescent substances which glow when struck by an electron beam (cathode rays) in a cathode-ray tube. When a phosphor is exposed to radiation, the orbital electrons
Phosphor
Monochrome cathode-ray tube
The 7JP4 is an early black and white or monochrome cathode-ray tube (also called picture tube and kinescope). It was a popular type used in late 1940s
7JP4
American physics professor (1910–2009)
2009) was an American television pioneer, the co-inventor of the cathode-ray tube amusement device, and a professor of physics at Furman University.
Thomas_T._Goldsmith_Jr.
such as stock market prices and arrival/departure display times. The cathode ray tube was the workhorse of text and video display technology for several
History_of_display_technology
Part of a cathode ray tube which moves the electron beam around
A deflection yoke is a kind of magnetic lens, used in cathode-ray tubes to scan the electron beam both vertically and horizontally over the whole screen
Deflection_yoke
Electrical component producing a narrow electron beam
some vacuum tubes that produces a narrow, collimated electron beam that has a precise kinetic energy. The largest use is in cathode-ray tubes (CRTs), used
Electron_gun
CRTs designed for use as computer memory
Storage tubes are a class of cathode-ray tubes (CRTs) that are designed to hold an image for a long period of time, typically as long as power is supplied
Storage_tube
Early gas-discharge lamp
the tube in front of the cathode, Johann Hittorf realized that the glow was caused by some type of ray travelling in straight lines through the tube from
Geissler_tube
Frequency at which a display hardware displays a new image
In reference to terminology originating with cathode-ray tubes (CRTs), the refresh rate, also known as vertical refresh rate, vertical scan rate or vertical
Refresh_rate
Form of electromagnetic radiation
end made of thin aluminium, facing the cathode so the cathode rays would strike it (later called a "Lenard tube"). He found that something came through
X-ray
Process of decreasing or eliminating a remnant magnetic field
Degaussing is also used to reduce magnetic fields in tape recorders and cathode-ray tube displays, and to destroy data held on magnetic storage. The term was
Degaussing
Large-screen television display system
Image Light Amplifier) and MicroDisplay Corporation's Liquid Fidelity. Cathode-ray tube technology was very limited in the early days of television. It relied
Rear-projection_television
Research apparatus for particle physics
Van de Graaff generator. A small-scale example of this class is the cathode-ray tube in an ordinary old television set. The achievable kinetic energy for
Particle_accelerator
Vector display-based home video game console
1-inch cathode-ray tube (CRT) and wondered if a small electronic game could be made of it. A demonstration of a vector-drawing cathode-ray tube display
Vectrex
British physicist (1856–1940)
on the conduction of electricity by gases." In 1897, he showed that cathode rays were composed of previously unknown negatively charged particles (now
J._J._Thomson
Home entertainment system that aims to replicate the experience of a movie theater
LaserDisc or VHS tape; a LaserDisc Player or VCR; and a large-screen cathode-ray tube TV set, although sometimes CRT projectors were used instead. In the
Home_cinema
Water-based graphite used in CRTs
name for a water-based colloidal graphite coating commonly used in cathode ray tubes (CRTs). It is manufactured by Acheson Industries, a subsidiary of
Aquadag
The invention of the cathode ray tube and vacuum tubes allowed the development of oscilloscopes of the modern form. Vacuum-tube based oscilloscopes were
History_of_the_oscilloscope
1957 British TV comedy series
Yes, It's the Cathode-Ray Tube Show! was a British television comedy programme which aired on ITV during 1957. It was produced by Associated-Rediffusion
Yes, It's the Cathode-Ray Tube Show!
Yes,_It's_the_Cathode-Ray_Tube_Show!
Zworykin's words, "very crude images" over wires to the "Braun tube" (cathode-ray tube or "CRT") in the receiver. Moving images were not possible because
History_of_television
Type of vacuum tube display
cathode-ray tube (CRTs) used for numerical displays. They were manufactured by Industrial Electronic Engineers (IEE) around the mid-1960s. The tube had
Nimo_tube
Vacuum tube used for amplifying radio waves
beam vacuum tube. As in the cathode-ray tube found in old televisions, electrons are produced by a heated negative electrode or cathode and accelerated
Inductive_output_tube
Type of image scanner
light, such as a high-resolution, high-light-output, low-persistence cathode ray tube (CRT), to scan an image. Usually the image to be scanned is on photographic
Flying-spot_scanner
Width and height of a display in pixels
as the displayed resolution is controlled by different factors in cathode-ray tube (CRT) displays, flat-panel displays (including liquid-crystal displays)
Display_resolution
Lines transmitted/displayed per second in a raster-scan video system
entire screenful of image data is transmitted or displayed. Within a cathode-ray tube (CRT), the horizontal scan rate is how many times in a second that
Horizontal_scan_rate
Chemical element with atomic number 39 (Y)
Historically, it was once widely used in the red phosphors in television set cathode ray tube displays. Yttrium is also used in the production of electrodes, electrolytes
Yttrium
Video camera tube displaying a built-in fixed image, 1950s–1980s
camera tube which displayed a single still video image. The image was built into the tube, hence the name. The tube resembled a small cathode-ray tube (CRT)
Monoscope
Display used in consumer electronics
cathodoluminescence, roughly similar to a cathode-ray tube, but operating at much lower voltages. Each tube in a VFD has a phosphor-coated carbon anode
Vacuum_fluorescent_display
Type of electron beam cathode-ray tube
Vultee Aircraft Corporation (Convair) for its shaped electron beam cathode-ray tube. Charactron CRTs performed functions of both a display device and a
Charactron
Chemical element with atomic number 38 (Sr)
cathode-ray tubes, as much as 75% of strontium consumption in the United States was used for the faceplate glass. With the replacement of cathode-ray
Strontium
Visual artifact that depicts or records perception
mirror, a projection of a camera obscura, or a scene displayed on a cathode-ray tube. A fixed image, also called a hard copy, is one that has been recorded
Image
Metal sheet with hundreds of thousands of holes, used in CRTs to correctly align colors
shadow mask is one of the two technologies used in the manufacture of cathode-ray tube (CRT) televisions and computer monitors which produce clear, focused
Shadow_mask
All-in-one computer by Apple
connect to the Internet. The iMac's all-in-one design is based around a cathode-ray tube display; the G3 processor, components, and connectivity were all included
IMac_G3
Disfigurement of an electronic display
permanent discoloration of areas on an electronic visual display such as a cathode-ray tube (CRT) or organic light-emitting diode (OLED) in a computer monitor
Screen_burn-in
vacuum tube technology, HT or high tension describes the main power supply to the circuit, which produces the current between anode and cathode. It is
HT_(vacuum_tube)
processed and then sent to the display, which in early DSOs was a cathode ray tube, but today is an LCD flat panel. DSOs with color LCDs are common. The
Oscilloscope_types
Ionization of air around a high-voltage conductor
for utilities. In high-voltage equipment like cathode-ray-tube televisions, radio transmitters, X-ray machines, and particle accelerators, the current
Corona_discharge
Video projector using cathode ray tube
projector is a video projector that uses a small, high-brightness cathode-ray tube (CRT) as the image-generating element. The image is then focused and
CRT_projector
Type of flat-panel display
all aspects by OLED displays. Competing display technologies include cathode-ray tube (CRT), organic light-emitting diode (OLED), CRT projectors, AMLCD,
Plasma_display
Instrument for measuring variation in light pulse intensity over time
electrons via the photoelectric effect. The electrons are accelerated in a cathode-ray tube and pass through an electric field produced by a pair of plates, which
Streak_camera
CRT technology
bistable storage tube (DVBST) was an acronym used by Tektronix to describe their line of storage tubes. These were cathode-ray tubes (CRT) that stored
Direct-view bistable storage tube
Direct-view_bistable_storage_tube
Swedish scientist (1887–1970)
Swedish-born American electrical engineer and physicist. He created the first cathode-ray tube oscilloscope and detailed a fundamental source of random interference
John_Bertrand_Johnson
Discrete device in an electronic system
– tube equivalent of semiconductor photodiode Photomultiplier tube – phototube with internal gain Cathode-ray tube (CRT) or television picture tube (obsolete)
Electronic_component
Single-grid amplifying vacuum tube having three active electrodes
vacuum tube (or thermionic valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid
Triode
All-in-one computer by Apple
envisioned a replacement that would use an LCD instead of the G3's bulky cathode-ray tube. The resulting iMac G4 took two years to develop. The new shape was
IMac_G4
Type of cathode-ray tube
A teltron tube (named for Teltron Inc., which is now owned by 3B Scientific Ltd.) is a type of cathode-ray tube used to demonstrate the properties of
Teltron_tube
Topics referred to by the same term
2023 album The Mockingbird & the Crow Electronic visual display, a cathode ray tube, liquid crystal display (LCD), or organic light emitting diode (OLED)
Screen
Vacuum tube with an electron beam deflectable to one of two anodes
Deflection Tube for Pulse Code Modulation". Bell labs. pp. 44–57. Retrieved 14 May 2017. US patent 2632058 "CK1414 Symbolray character generating cathode ray tube
Beam_deflection_tube
Electrode through which conventional current flows into a polarized electrical device
electronic vacuum devices such as a cathode ray tube, the anode is the positively charged electron collector. In a tube, the anode is a charged positive
Anode
Chronological list of discoveries and inventions in electrical and electronics engineering
discovers thermionic emission, forming the basis for vacuum tubes and cathode-ray tubes. c. 1893: The selenium phototube allows conversion of brightness
Timeline of electrical and electronics engineering
Timeline_of_electrical_and_electronics_engineering
1950 electronic game
game. It appeared only three years after the 1947 invention of the cathode-ray tube amusement device, the earliest known interactive electronic game to
Bertie_the_Brain
1958 video game
definitions to be the first video game. Other candidates include the 1947 cathode-ray tube amusement device, the earliest known interactive electronic game, though
Tennis_for_Two
Type of cathode-ray tube for video display
Aluminized screen may refer to a type of cathode-ray tube (CRT) for video display or to a type of projection screen for showing motion pictures or slides
Aluminized_screen
Hungarian–German physicist (1862–1947)
physicist who received the Nobel Prize in Physics in 1905 for his work on cathode rays. This work led to his experimental realization of the photoelectric effect
Philipp_Lenard
1984 IBM-compatible portable computer
(14 kg) in its base configuration, the computer came equipped with a cathode-ray tube display and a built-in thermal printer. In its stock configuration
Panasonic_Senior_Partner
Form of eavesdropping
notable use of Van Eck phreaking is in reproducing the contents of a cathode-ray tube (CRT) display at a distance. Information that drives a CRT video display
Van_Eck_phreaking
Flat panel display technology
color image. In a general sense, an FED consists of a matrix of cathode-ray tubes, each tube producing a single sub-pixel, grouped in threes to form red-green-blue
Field-emission_display
sale in the United States on February 28, 1954. It used the 15GP22 cathode ray tube. The set was discontinued about six months after its introduction because
Westinghouse_H840CK15
High frequency pulse transformer commonly used to drive cathode-ray tubes
means of controlling the horizontal movement of the electron beam in a cathode-ray tube (CRT). Unlike conventional transformers, a flyback transformer is not
Flyback_transformer
Elementary particle with negative charge
electrons can be accelerated, focused, and used for applications such as cathode ray tubes, electron microscopes, electron beam welding, lithography, and particle
Electron
Television that relies on a scanning device to display images
contrasts with vacuum tube electronic television technology, using electron beam scanning methods, for example, in cathode-ray tube (CRT) televisions. Subsequently
Mechanical_television
considered the first operating system – Alan Turing Williams tube – a cathode ray tube used to electronically store binary data (Can store roughly 500
List of British innovations and discoveries
List_of_British_innovations_and_discoveries
French television channel
the inventor) with 180 lines, as well as a receiver with 60 cathode ray tube lines; a tube for which the Compagnie des compteurs [fr] has just launched
TF1
Part of a Geiger counter
radiation strikes the tube, some molecules of the fill gas are ionized directly by the incident radiation, and if the tube cathode is an electrical conductor
Geiger–Müller_tube
Group of three phosphor dots used in computer monitors
In cathode-ray tube (CRT) terms, a triad is a group of 3 phosphor dots coloured red, green, and blue on the inside of the CRT display of a computer monitor
Triad_(monitors)
Rectangular pattern of image capture and reconstruction
imperfections. There is a misconception that once a scan line is complete, a cathode-ray tube (CRT) display in effect suddenly jumps internally, by analogy with
Raster_scan
Electrical potential that is large enough to cause damage or injury
distribution, in cathode-ray tubes, to generate X-rays and particle beams, to produce electrical arcs, for ignition, in photomultiplier tubes, and in high-power
High_voltage
Form of illumination used in liquid crystal displays
light and do not require a backlight, for example, OLED displays, cathode-ray tube (CRT), and plasma (PDP) displays. A similar type of technology is called
Backlight
Type of particle accelerator
accelerated: electrons, protons or ions. Linacs range in size from a cathode-ray tube (which is a type of linac) to the 3.2-kilometre-long (2.0 mi) linac
Linear_particle_accelerator
Video game competition series
Nintendo version of Tetris on Nintendo Entertainment System consoles and cathode-ray tube (CRT) video displays. All of the tournaments are streamed online with
Classic Tetris World Championship
Classic_Tetris_World_Championship
American physicist and engineer
In 1913 he invented the Coolidge tube (hot cathode tube), an X-ray tube with an improved cathode for use in X-ray machines that allowed for more intense
William_D._Coolidge
Image display as a 2D grid of pixels
derived from radere (to scrape). It originates from the raster scan of cathode-ray tube (CRT) video monitors, which draw the image line by line by magnetically
Raster_graphics
Computer input/output device for users
on a screen rather than printing text to paper and typically uses a cathode-ray tube (CRT). VDUs in the 1950s were typically designed for displaying graphical
Computer_terminal
Voltage-spike stopping diode across an inductor
flyback comes from the horizontal movement of the electron beam in a cathode ray tube, because the beam flew back to begin the next horizontal line. This
Flyback_diode
Study of light-sensitive materials
positive prints derived from (1), (3) telerecordings made by filming a cathode-ray tube display to produce a negative image, (4) telerecordings as in (3) but
Sensitometry
Type of television set made by Philco
unique to this version was a large handle over the top to carry the cathode ray tube portion wherever the viewer wanted it. This version also required more
Predicta
Flat version of the Trinitron picture tube
"Sony to stop making old-style cathode ray tube TVs". MarketWatch. 3 March 2008. Moher, Aidan. "Your Grandma's Tube TV Is the Hottest Gaming Tech". Wired
FD_Trinitron/WEGA
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