Frequency response consistency calibration method and electronic device
US-2024406647-A1 · Dec 5, 2024 · US
including speech amplifiers
including speech amplifiers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04M1/60 |
| Official title | including speech amplifiers |
| Display label | including speech amplifiers |
| Total patents | 205 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 13 |
| 2017 | 23 |
| 2018 | 19 |
| 2019 | 28 |
| 2020 | 34 |
| 2021 | 17 |
| 2022 | 19 |
| 2023 | 10 |
| 2024 | 15 |
| 2025 | 11 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Audio apparatus adaptable to user position
US-10154358-B2 · Dec 11, 2018 · US
Echo canceller device and voice telecommunications device
US-2018343345-A1 · Nov 29, 2018 · US
Echo canceller device and voice telecommunications device
US-2018331719-A1 · Nov 15, 2018 · US
Electronic device and method for controlling audio output according to the type of earphone
US-2018329675-A1 · Nov 15, 2018 · US
Method and system for wireless communication between a telephone and a hearing aid
US-10117030-B2 · Oct 30, 2018 · US
Mobile terminal and controlling method thereof
US-10104208-B2 · Oct 16, 2018 · US
Electronic device and method for controlling operation thereof
US-2018196632-A1 · Jul 12, 2018 · US
User Experience Oriented Audio Signal Processing
US-2018109874-A1 · Apr 19, 2018 · US
Method and Apparatus for Adjusting Volume of User Terminal, and Terminal
US-2018084116-A1 · Mar 22, 2018 · US
Method and system for wireless communication between a telephone and a hearing aid
US-9877120-B2 · Jan 23, 2018 · US
Volume adjustment method and communication device using the same
US-2018013870-A1 · Jan 11, 2018 · US
Electronic device and reverberation removal method therefor
US-2017309294-A1 · Oct 26, 2017 · US
Method and apparatus for adjusting volume of an accepted session
US-2017279946-A1 · Sep 28, 2017 · US
Electronic device and sound output method thereof
US-2017277359-A1 · Sep 28, 2017 · US
Volume adjusting method, system, apparatus and computer storage medium
US-2017264738-A1 · Sep 14, 2017 · US
Stream caching for audio mixers
US-9763002-B1 · Sep 12, 2017 · US
Wireless speaker system
US-2017251314-A1 · Aug 31, 2017 · US
Method and system for interference suppression using blind source separation
US-9741358-B2 · Aug 22, 2017 · US
Detecting and switching between noise reduction modes in multi-microphone mobile devices
US-9736287-B2 · Aug 15, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04M1/60?
- CPC H04M1/60 is the Cooperative Patent Classification code for “including speech amplifiers.”
- How many patents are filed under CPC H04M1/60 (including speech amplifiers)?
- Our database includes 205 publications tagged with this CPC code.
- Is patent activity under CPC H04M1/60 growing?
- Publication counts under this code: 15 in 2024 vs 11 in 2025 (latest complete years).