Exercise-based call processing method, apparatus, and electronic device
US-12531943-B2 · Jan 20, 2026 · US
with speech synthesis · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04M1/645 |
| Official title | {with speech synthesis} |
| Display label | with speech synthesis |
| Total patents | 28 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12531943-B2 · Jan 20, 2026 · US
US-2023122690-A1 · Apr 20, 2023 · US
US-11170757-B2 · Nov 9, 2021 · US
US-10205815-B2 · Feb 12, 2019 · US
US-10091355-B2 · Oct 2, 2018 · US
US-2018152814-A1 · May 31, 2018 · US
US-2018096676-A1 · Apr 5, 2018 · US
US-9924331-B2 · Mar 20, 2018 · US
US-2018069954-A1 · Mar 8, 2018 · US
US-9860355-B2 · Jan 2, 2018 · US
US-9747904-B2 · Aug 29, 2017 · US
US-2017244834-A1 · Aug 24, 2017 · US
US-2017149947-A1 · May 25, 2017 · US
US-2017148445-A1 · May 25, 2017 · US
US-2017064084-A1 · Mar 2, 2017 · US
US-9578167-B2 · Feb 21, 2017 · US
US-9570079-B1 · Feb 14, 2017 · US
US-9538348-B2 · Jan 3, 2017 · US
US-9462102-B1 · Oct 4, 2016 · US
US-2016277902-A1 · Sep 22, 2016 · US
Answers are generated from the same data shown on this page.