Sequential comparisons in series-connected stages with no change in value of analogue signal

Sequential comparisons in series-connected stages with no change in value of analogue signal · 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 codeH03M1/42
Official titleSequential comparisons in series-connected stages with no change in value of analogue signal
Display labelSequential comparisons in series-connected stages with no change in value of analogue signal
Total patents71

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20157
20169
201712
20184
20196
20209
20215
20224
20238
20242
20255

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 H03M1/42?
CPC H03M1/42 is the Cooperative Patent Classification code for “Sequential comparisons in series-connected stages with no change in value of analogue signal.”
How many patents are filed under CPC H03M1/42 (Sequential comparisons in series-connected stages with no change in value of analogue signal)?
Our database includes 71 publications tagged with this CPC code.
Is patent activity under CPC H03M1/42 growing?
Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).