using a feedback loop containing mixers or demodulators

using a feedback loop containing mixers or demodulators · 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 codeH03D7/168
Official title{using a feedback loop containing mixers or demodulators}
Display labelusing a feedback loop containing mixers or demodulators
Total patents37

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20153
20162
20171
20183
20191
202011
20211
20224
20234
20244
20253

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 H03D7/168?
CPC H03D7/168 is the Cooperative Patent Classification code for “using a feedback loop containing mixers or demodulators.”
How many patents are filed under CPC H03D7/168 (using a feedback loop containing mixers or demodulators)?
Our database includes 37 publications tagged with this CPC code.
Is patent activity under CPC H03D7/168 growing?
Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).