Broadcast signal playback method, map generation method, and apparatus
US-12476725-B2 · Nov 18, 2025 · US
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generating subcarriers
generating subcarriers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04H40/54 |
| Official title | generating subcarriers |
| Display label | generating subcarriers |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 2 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Broadcast signal playback method, map generation method, and apparatus
US-2023208541-A1 · Jun 29, 2023 · US
Analog and digital audio alignment in the HD radio exciter engine (exgine)
US-10484115-B2 · Nov 19, 2019 · US
Analog and digital audio alignment in the hd radio exciter engine (exgine)
US-2019253163-A1 · Aug 15, 2019 · US