Biphase level code, e.g. split phase code, Manchester code; Biphase space or mark code, e.g. double frequency code

Biphase level code, e.g. split phase code, Manchester code; Biphase space or mark code, e.g. double frequency code · 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 codeH03M5/12
Official titleBiphase level code, e.g. split phase code, Manchester code; Biphase space or mark code, e.g. double frequency code
Display labelBiphase level code, e.g. split phase code, Manchester code; Biphase space or mark code, e.g. double frequency code
Total patents145

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
201515
201613
201711
201811
201917
202011
202112
202214
202311
202414
202510
20266

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 H03M5/12?
CPC H03M5/12 is the Cooperative Patent Classification code for “Biphase level code, e.g. split phase code, Manchester code; Biphase space or mark code, e.g. double frequency code.”
How many patents are filed under CPC H03M5/12 (Biphase level code, e.g. split phase code, Manchester code; Biphase space or mark code, e.g. double frequency code)?
Our database includes 145 publications tagged with this CPC code.
Is patent activity under CPC H03M5/12 growing?
Publication counts under this code: 14 in 2024 vs 10 in 2025 (latest complete years).