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Phonofilm

sound film system
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Phonofilm

Summary

Phonofilm is a trademark[1]. Phonofilm draws 64 Wikipedia views per month (trademark category, ranking #295 of 967).[2]

Key Facts

  • Phonofilm is credited with the discovery of Lee de Forest[3].
  • Phonofilm is credited with the discovery of Theodore Willard Case[4].
  • Phonofilm's instance of is recorded as trademark[5].
  • Phonofilm's Commons category is recorded as Phonofilm[6].
  • Phonofilm's Freebase ID is recorded as /m/0dwcyn[7].
  • Phonofilm's Encyclopædia Britannica Online ID is recorded as technology/Phonofilm[8].

Body

Designation and Status

Phonofilm's instance of is recorded as trademark[5].

Why It Matters

Phonofilm draws 64 Wikipedia views per month (trademark category, ranking #295 of 967).[2] Phonofilm has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[9]

Related Entities

Lee de Forest

References

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

Direct Wikidata claims

  1. [5] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . 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). Phonofilm. Retrieved May 3, 2026, from https://4ort.xyz/entity/phonofilm
MLA “Phonofilm.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/phonofilm.
BibTeX @misc{4ortxyz_phonofilm_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Phonofilm}}, year = {2026}, url = {https://4ort.xyz/entity/phonofilm}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Phonofilm — https://4ort.xyz/entity/phonofilm (retrieved 2026-05-03)

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