Blackmer gain cell

four-transistor log-antilog voltage controlled amplifier for professional audio designed by David Blackmer
Place invention Q22582422
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Blackmer gain cell

Summary

Blackmer gain cell is an invention[1].

Key Facts

  • Blackmer gain cell is credited with the discovery of David E. Blackmer[2].
  • Blackmer gain cell's instance of is recorded as invention[3].
  • Blackmer gain cell's manufacturer is recorded as Dbx, Inc.[4].
  • Blackmer gain cell's subclass of is recorded as amplifier[5].
  • Blackmer gain cell's subclass of is recorded as variable-gain amplifier[6].
  • Blackmer gain cell's subclass of is recorded as log amplifier[7].
  • Blackmer gain cell's has use is recorded as professional audio[8].
  • Blackmer gain cell's has use is recorded as audio compression[9].
  • Blackmer gain cell's has use is recorded as dbx[10].
  • Blackmer gain cell's has use is recorded as noise gate[11].
  • Blackmer gain cell's has use is recorded as State variable filter[12].
  • Blackmer gain cell's Commons category is recorded as Blackmer gain cell[13].
  • Blackmer gain cell's has part is recorded as bipolar junction transistor[14].
  • Blackmer gain cell's has part is recorded as current mirror[15].
  • Blackmer gain cell's time of discovery or invention is recorded as +1970-00-00T00:00:00Z[16].
  • Blackmer gain cell's start time is recorded as +1970-00-00T00:00:00Z[17].
  • Blackmer gain cell's patent number is recorded as US3714462[18].
  • Blackmer gain cell's used by is recorded as dbx[19].
  • Blackmer gain cell's Google Knowledge Graph ID is recorded as /g/11cmbhfzy9[20].

Body

Designation and Status

Blackmer gain cell's instance of is recorded as invention[3].

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [2] . 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.
  17. [18] . google.com. google.com. Provenance: wikidata.org.
  18. [19] . wikidata.org.
  19. [20] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. 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). Blackmer gain cell. Retrieved May 3, 2026, from https://4ort.xyz/entity/blackmer-gain-cell
MLA “Blackmer gain cell.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/blackmer-gain-cell.
BibTeX @misc{4ortxyz_blackmer-gain-cell_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Blackmer gain cell}}, year = {2026}, url = {https://4ort.xyz/entity/blackmer-gain-cell}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Blackmer gain cell — https://4ort.xyz/entity/blackmer-gain-cell (retrieved 2026-05-03)

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