Smart receive audio switching for a converged device
US-11943382-B2 · Mar 26, 2024 · US
Telephone sets using digital voice transmission
Telephone sets using digital voice transmission · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04M1/253 |
| Official title | Telephone sets using digital voice transmission |
| Display label | Telephone sets using digital voice transmission |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for establishing call connection, first terminal, server, and storage medium
US-11856149-B2 · Dec 26, 2023 · US
Smart receive audio switching for a converged device
US-2023396701-A1 · Dec 7, 2023 · US
Terminal and operating method thereof
US-11825236-B2 · Nov 21, 2023 · US
Terminal and Operating Method Thereof
US-2022353464-A1 · Nov 3, 2022 · US
Terminal and operating method thereof
US-11394922-B2 · Jul 19, 2022 · US
Telephony terminal
US-11363127-B2 · Jun 14, 2022 · US
Data processing apparatus, data processing method, and program
US-11284299-B2 · Mar 22, 2022 · US
Method for establishing call connection, first terminal, server, and storage medium
US-2021337071-A1 · Oct 28, 2021 · US
Telephony terminal
US-2021281671-A1 · Sep 9, 2021 · US
Terminal and operating method thereof
US-2021243407-A1 · Aug 5, 2021 · US
Telephony terminal
US-11025763-B2 · Jun 1, 2021 · US
Data processing apparatus, data processing method, and program
US-2020359263-A1 · Nov 12, 2020 · US
Maintaining an automobile configuration of a mobile computing device while switching between automobile and non-automobile user interfaces
US-10834250-B2 · Nov 10, 2020 · US
Data processing apparatus, data processing method, and program
US-10764782-B2 · Sep 1, 2020 · US
Telephony terminal
US-2020195767-A1 · Jun 18, 2020 · US
Telephony terminal
US-10609195-B2 · Mar 31, 2020 · US
Maintaining an automobile configuration of a mobile computing device while switching between automobile and non-automobile user interfaces
US-2019356773-A1 · Nov 21, 2019 · US
Maintaining an automobile configuration of a mobile computing device while switching between automobile and non-automobile user interfaces
US-10389870-B1 · Aug 20, 2019 · US
Telephony terminal
US-2019182372-A1 · Jun 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04M1/253?
- CPC H04M1/253 is the Cooperative Patent Classification code for “Telephone sets using digital voice transmission.”
- How many patents are filed under CPC H04M1/253 (Telephone sets using digital voice transmission)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC H04M1/253 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2024 (latest complete years).