Statements (154)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:microprocessor
gptkb:smartphone gptkb:technology vacuum tube microwave amplifier Display device |
| gptkbp:abbreviation |
gptkb:CRT
|
| gptkbp:advantage |
Heavy
Wide viewing angle Bulky High contrast High power consumption Image burn-in Magnetic sensitivity Radiation emission |
| gptkbp:alsoKnownAs |
thermionic valve
|
| gptkbp:alternativeName |
Cathode_ray_tube
Vacuum_tube cathode_ray_tube television_camera_tube traveling-wave_tube vacuum_tube_amplifier |
| gptkbp:alternativeTo |
klystron
solid-state amplifier |
| gptkbp:application |
electronic countermeasures
deep space communication spacecraft transponders |
| gptkbp:category |
gptkb:technology
electronic devices vacuum tube medical imaging technique microwave technology analog electronics Obsolete technology Vacuum tube technology vacuum electronics radio frequency amplifier |
| gptkbp:component |
gptkb:electron_gun
collector slow-wave structure magnetic focusing system analog television systems |
| gptkbp:contains |
Deflection system
Electron gun Phosphorescent screen |
| gptkbp:declinedAfter |
gptkb:Flat_panel_displays
late 1950s |
| gptkbp:feature |
high power output
high gain linear amplification broad bandwidth |
| gptkbp:hasComponent |
gptkb:Yoke
Aquadag coating Base pins Glass envelope Shadow mask |
| gptkbp:hasFeature |
gptkb:PAL
gptkb:SECAM NTSC |
| gptkbp:hasMonochromeVersion |
gptkb:Monochrome_CRT
|
| gptkbp:hasPatent |
gptkb:US_Patent_689,124
gptkb:US803684A |
| gptkbp:hasVersion |
gptkb:Color_CRT
|
| gptkbp:introducedIn |
1897
1904 |
| gptkbp:inventedBy |
gptkb:John_Ambrose_Fleming
gptkb:Philo_Farnsworth gptkb:Vladimir_Zworykin gptkb:Ferdinand_Braun gptkb:Rudolf_Kompfner 1920s 1942 |
| gptkbp:mainParts |
anode
cathode control grid |
| gptkbp:manufacturer |
gptkb:Telefunken
gptkb:JJ_Electronic gptkb:Shuguang gptkb:GE gptkb:RCA gptkb:Svetlana gptkb:Mullard gptkb:Sylvania |
| gptkbp:material |
glass envelope
metal electrodes |
| gptkbp:notableExample |
gptkb:5U4G
gptkb:6L6 gptkb:KT88 gptkb:EL34 gptkb:12AX7 |
| gptkbp:operates |
thermionic emission
microwave frequencies Electron beam scanning an image with an electron beam |
| gptkbp:popularFor |
1920s-1950s
|
| gptkbp:principle |
interaction of electron beam with RF field
|
| gptkbp:provides |
High voltage
|
| gptkbp:relatedTo |
gptkb:microprocessor
transistor |
| gptkbp:replacedBy |
gptkb:LED
gptkb:CMOS_sensor gptkb:LCD gptkb:CCD_(charge-coupled_device) 1980s transistor Plasma display solid-state image sensors |
| gptkbp:requires |
gptkb:vacuum
vacuum tube technology |
| gptkbp:riskFactor |
gptkb:Lead
High voltage Phosphor dust |
| gptkbp:shape |
Flat
Rectangular Circular Curved |
| gptkbp:symbol |
gptkb:IEC_60617-7
|
| gptkbp:type |
gptkb:image_orthicon
gptkb:coupled-cavity_TWT gptkb:helix_TWT gptkb:orthicon transistor pentode tetrode triode iconoscope vidicon |
| gptkbp:used_in |
broadcast television
video production television cameras |
| gptkbp:usedFor |
gptkb:Oscilloscope
gptkb:Television_receiver gptkb:Video_monitor amplification switching rectification converting optical images into electrical signals Radar display |
| gptkbp:usedIn |
gptkb:Computer_monitor
gptkb:radar gptkb:television gptkb:Television microwave ovens satellite communication early computers electronic warfare radios televisions radio transmitters high-end audio amplifiers specialized military equipment |
| gptkbp:usedUntil |
Early 2000s
|
| gptkbp:bfsParent |
gptkb:ENIAC
|
| gptkbp:bfsLayer |
4
|