Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope (throat mountings H04R1/14)

Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope (throat mountings H04R1/14) · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH04R1/46
Official titleSpecial adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope (throat mountings H04R1/14)
Display labelSpecial adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope (throat mountings H04R1/14)
Total patents415

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201542
201638
201733
201830
201937
202033
202131
202229
202337
202438
202560
20267

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC H04R1/46?
CPC H04R1/46 is the Cooperative Patent Classification code for “Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope (throat mountings H04R1/14).”
How many patents are filed under CPC H04R1/46 (Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope (throat mountings H04R1/14))?
Our database includes 415 publications tagged with this CPC code.
Is patent activity under CPC H04R1/46 growing?
Publication counts under this code: 38 in 2024 vs 60 in 2025 (latest complete years).