Radio frequency (rf) power detector for antenna mode detection
US-2019349861-A1 · Nov 14, 2019 · US
Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor (circuit arrangements for preventing eavesdropping H04M1/68; telephone cabinets E04H1/14)
Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor (circuit arrangements for preventing eavesdropping H04M1/68; telephone cabinets E04H1/14) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04M1/19 |
| Official title | Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor (circuit arrangements for preventing eavesdropping H04M1/68; telephone cabinets E04H1/14) |
| Display label | Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor (circuit arrangements for preventing eavesdropping H04M1/68; telephone cabinets E04H1/14) |
| Total patents | 113 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 14 |
| 2017 | 13 |
| 2018 | 9 |
| 2019 | 11 |
| 2020 | 11 |
| 2021 | 13 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Responding to HVAC-induced vehicle microphone buffeting
US-10462567-B2 · Oct 29, 2019 · US
Ambient noise reduction arrangements
US-10460718-B2 · Oct 29, 2019 · US
Remote control with presence sensor
US-10455322-B2 · Oct 22, 2019 · US
Method and system for reducing current noise of touch terminal
US-2019278419-A1 · Sep 12, 2019 · US
Device and method for muffling, communication device and wearable device
US-2019253545-A1 · Aug 15, 2019 · US
Method for Eliminating Noise and Portable Electronic Device Using Same
US-2019155127-A1 · May 23, 2019 · US
Touchscreen tapping noise suppression
US-10283135-B2 · May 7, 2019 · US
Remote Control With Presence Sensor
US-2019058942-A1 · Feb 21, 2019 · US
Method and device for processing sound signal for communications device
US-10204639-B2 · Feb 12, 2019 · US
Method and apparatus for controlling multi-microphone noise-canceling sound pickup range of terminal
US-10148801-B2 · Dec 4, 2018 · US
Method and Apparatus for Controlling Multi-Microphone Noise-Canceling Sound Pickup Range of Terminal
US-2018213073-A1 · Jul 26, 2018 · US
Methods, Network Nodes, Computer Programs and Computer Program Products for Managing Processing of an Audio Stream
US-2018205401-A1 · Jul 19, 2018 · US
Touchscreen tapping noise suppression
US-2018182409-A1 · Jun 28, 2018 · US
Terminal and terminal multiple protection method
US-9992315-B2 · Jun 5, 2018 · US
Methods, network nodes, computer programs and computer program products for managing processing of an audio stream
US-9954565-B2 · Apr 24, 2018 · US
Responding to hvac-induced vehicle microphone buffeting
US-2018103318-A1 · Apr 12, 2018 · US
Ambient noise reduction arrangements
US-2018033422-A1 · Feb 1, 2018 · US
Microphone holding structure and electronic device
US-9871901-B2 · Jan 16, 2018 · US
Voice receiving method and device
US-2017345437-A1 · Nov 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04M1/19?
- CPC H04M1/19 is the Cooperative Patent Classification code for “Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor (circuit arrangements for preventing eavesdropping H04M1/68; telephone cabinets E04H1/14).”
- How many patents are filed under CPC H04M1/19 (Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor (circuit arrangements for preventing eavesdropping H04M1/68; telephone cabinets E04H1/14))?
- Our database includes 113 publications tagged with this CPC code.
- Is patent activity under CPC H04M1/19 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).