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cathode ray tube

vacuum tube that can show moving pictures, vector graphics, or lines
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Summary

cathode ray tube ranks in the top 0.76% of general entities by monthly Wikipedia readership (10,134 views/month, #593 of 77,819).[1]

Key Facts

  • Discoverer or inventor: Ferdinand Braun[2]
  • Named after: Ferdinand Braun[3], cathode[4], cathode ray[5]
  • Subclass of: vacuum tube[6], display technology[7]
  • Part of: computer monitor[8], television set[9]
  • Commons category: Cathode ray tubes[10]
  • Inception: 1897[11]
  • Topic's main category: Category:Cathode ray tube[12]
  • Commons gallery: Cathode ray tube[13]
  • Described by source: Armenian Soviet Encyclopedia, vol. 5[14]
  • MCN code: 7011.20.00[15]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[16], concrete/abstract disjunction anomalies[17]

Why It Matters

cathode ray tube has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[18] It is known by 112 alternative names across languages and contexts.[19]

Related Entities

cathode cathode ray tube screen computer monitor Karl Ferdinand Braun plan position indicator Progressbar95

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] ↑ . Wikidata sitelinks. wikidata.org.
  3. [19] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). cathode ray tube. Retrieved October 14, 2026, from https://4ort.xyz/entity/cathode-ray-tube
MLA “cathode ray tube.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/cathode-ray-tube.
BibTeX @misc{4ortxyz_cathode-ray-tube_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cathode ray tube}}, year = {2026}, url = {https://4ort.xyz/entity/cathode-ray-tube}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cathode ray tube — https://4ort.xyz/entity/cathode-ray-tube (retrieved 2026-10-14)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 25d ago · Pruna.ar · 2026-09-20 view diff on Wikidata ↗
    Inception → +1897-00-00T00:00:00Z
    "/* wbsetclaim-create:2||1 */ Inception: 1897"
  2. 17w ago · JhealdBatch bot · 2026-06-16 view diff on Wikidata ↗
    On focus list of wikimedia project → Wikipedia:Vital articles/Level/4, concrete/abstract disjunction anomalies
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/36807|batch #36807]]: tag for concrete/abstract disjunction anomaly"
  3. 18w ago · Jindřich Rubeš · 2026-06-11 view diff on Wikidata ↗
    Svkkl authority id → h0006634-obrazovky
    "/* wbcreateclaim-create:1| */ Svkkl authority id: h0006634-obrazovky, [[:toollabs:quickstatements/#/batch/259497|batch #259497]]"
  4. 18w ago · HelloImSteven · 2026-06-10 view diff on Wikidata ↗
    Foldoc id → cathode+ray+tube, CRT
    "/* wbsetclaim-create:1||1 */ Foldoc id: CRT, import FOLDOC ID ([[:toollabs:editgroups/b/wikibase-cli/f6585e22ab8ad/|details]])"
  5. 22w ago · HelloImSteven · 2026-05-13 view diff on Wikidata ↗
    Subclass of → —
    Named after → Karl Ferdinand Braun, cathode, cathode ray
    On focus list of wikimedia project → Wikipedia:Vital articles/Level/4, concrete/abstract disjunction anomalies
    Topic's main category → Category:Cathode ray tube
    + 8 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Foldoc id: cathode+ray+tube"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.