triode

single-grid amplifying vacuum tube having three active electrodes
Thing general Q176129
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triode

Summary

triode ranks in the top 2% of general entities by monthly Wikipedia readership (187 views/month).[1]

Key Facts

  • triode is credited with the discovery of Lee de Forest[2].
  • triode is credited with the discovery of Robert von Lieben[3].
  • triode's image is recorded as Triody var.jpg[4].
  • triode's GND ID is recorded as 4186189-9[5].
  • triode's subclass of is recorded as vacuum tube[6].
  • triode's subclass of is recorded as electronic component[7].
  • triode's Commons category is recorded as Vacuum triodes[8].
  • triode's has part is recorded as control grid[9].
  • triode's has part is recorded as anode[10].
  • triode's has part is recorded as cathode[11].
  • triode's has part is recorded as envelope[12].
  • triode's time of discovery or invention is recorded as +1906-00-00T00:00:00Z[13].
  • triode's Freebase ID is recorded as /m/07mpt[14].
  • triode's PSH ID is recorded as 2028[15].
  • triode's Gran Enciclopèdia Catalana ID is recorded as 0148296[16].
  • triode's Encyclopædia Britannica Online ID is recorded as technology/triode[17].
  • triode's uses is recorded as thermionic emission[18].
  • triode's icon is recorded as Triode schematic with filament and cathode.svg[19].
  • triode's Encyclopædia Universalis ID is recorded as diode-et-triode[20].
  • triode's JSTOR topic ID is recorded as triodes[21].
  • triode's schematic is recorded as Triode.svg[22].
  • triode's schematic is recorded as Triode-nl.jpg[23].
  • triode's schematic is recorded as Triodo.png[24].
  • triode's schematic is recorded as Triodo tubo a vuoto it.png[25].
  • triode's schematic is recorded as Triode-dt-text.svg[26].

Body

Works and Contributions

Credited discoveries include Lee de Forest[2], a physicist[27], 1873–1961[28], of United States[29], awarded the Edison Medal[30], specialised in technology[31] and Robert von Lieben[3], a physicist[32], 1878–1913[33], of Austria–Hungary[34], specialised in electrical engineering[35].

Why It Matters

triode ranks in the top 2% of general entities by monthly Wikipedia readership (187 views/month).[1] triode has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[36]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [2] . wikidata.org.
  3. [3] . 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] . Freebase Data Dumps. wikidata.org.
  14. [15] . wikidata.org.
  15. [16] . wikidata.org.
  16. [17] . wikidata.org.
  17. [18] . wikidata.org.
  18. [19] . wikidata.org.
  19. [20] . wikidata.org.
  20. [21] . wikidata.org.
  21. [22] . wikidata.org.
  22. [23] . wikidata.org.
  23. [24] . wikidata.org.
  24. [25] . wikidata.org.
  25. [26] . wikidata.org.

Inline context (facts about related entities)

  1. [27] . Wikidata. wikidata.org. → on this site
  2. [28] . Wikidata. wikidata.org. → on this site
  3. [29] . Wikidata. wikidata.org. → on this site
  4. [30] . Wikidata. wikidata.org. → on this site
  5. [31] . Wikidata. wikidata.org. → on this site
  6. [32] . Wikidata. wikidata.org. → on this site
  7. [33] . Wikidata. wikidata.org. → on this site
  8. [34] . Wikidata. wikidata.org. → on this site
  9. [35] . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [1] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [36] . Wikidata sitelinks. 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). triode. Retrieved April 10, 2026, from https://4ort.xyz/entity/triode
MLA “triode.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/triode.
BibTeX @misc{4ortxyz_triode_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{triode}}, year = {2026}, url = {https://4ort.xyz/entity/triode}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): triode — https://4ort.xyz/entity/triode (retrieved 2026-04-10)

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