Data processing apparatus, data processing method, and program
US-11284299-B2 · Mar 22, 2022 · US
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PCM
PCM · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04M2201/30 |
| Official title | PCM |
| Display label | PCM |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 3 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Data processing apparatus, data processing method, and program
US-2020359263-A1 · Nov 12, 2020 · US
Data processing apparatus, data processing method, and program
US-10764782-B2 · Sep 1, 2020 · US
Retrofit digital network speaker system
US-10686943-B2 · Jun 16, 2020 · US
Retrofit digital network speaker system
US-10491751-B2 · Nov 26, 2019 · US
Retrofit digital network speaker system
US-2019238683-A1 · Aug 1, 2019 · US
Data processing apparatus, data processing method, and program
US-2018288650-A1 · Oct 4, 2018 · US
Retrofit digital network speaker system
US-2018139330-A1 · May 17, 2018 · US
Device and method for implementing synchronous connection-oriented (SCO) pass-through links
US-9924303-B2 · Mar 20, 2018 · US
Retrofit digital network speaker system
US-9883046-B1 · Jan 30, 2018 · US