Wearable communication enhancement device
US-9848260-B2 · Dec 19, 2017 · US
for obtaining desired directional characteristic only {(specially adapted for hearing aids H04R25/40)}
for obtaining desired directional characteristic only {(specially adapted for hearing aids H04R25/40)} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04R1/32 |
| Official title | for obtaining desired directional characteristic only {(specially adapted for hearing aids H04R25/40)} |
| Display label | for obtaining desired directional characteristic only {(specially adapted for hearing aids H04R25/40)} |
| Total patents | 305 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 12 |
| 2017 | 35 |
| 2018 | 35 |
| 2019 | 30 |
| 2020 | 29 |
| 2021 | 30 |
| 2022 | 36 |
| 2023 | 28 |
| 2024 | 25 |
| 2025 | 23 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Directivity control apparatus, directivity control method, storage medium and directivity control system
US-2017325021-A1 · Nov 9, 2017 · US
Omni-directional speaker system and related devices and methods
US-2017303034-A1 · Oct 19, 2017 · US
System and method for capturing, encoding, distributing, and decoding immersive audio
US-9794721-B2 · Oct 17, 2017 · US
Electronic device and method for controlling the same
US-9794683-B2 · Oct 17, 2017 · US
Xy-type microphone unit and sound recording apparatus
US-2017289685-A1 · Oct 5, 2017 · US
Orientation free handsfree device
US-2017272856-A1 · Sep 21, 2017 · US
Gaze based directional microphone
US-2017272627-A1 · Sep 21, 2017 · US
Directivity control apparatus, directivity control method, storage medium and directivity control system
US-9763001-B2 · Sep 12, 2017 · US
Acoustic layer in media device providing enhanced audio performance
US-2017257699-A1 · Sep 7, 2017 · US
Integrated sound system
US-9756408-B2 · Sep 5, 2017 · US
Offset cartridge microphones
US-2017230748-A1 · Aug 10, 2017 · US
Integrated sound system
US-2017214988-A1 · Jul 27, 2017 · US
Validation of Audio Calibration Using Multi-Dimensional Motion Check
US-2017208408-A1 · Jul 20, 2017 · US
Portable eye tracking device
US-9710058-B2 · Jul 18, 2017 · US
Apparatus, Method and Computer Program for Rendering a Spatial Audio Output Signal
US-2017195793-A1 · Jul 6, 2017 · US
Validation of audio calibration using multi-dimensional motion check
US-9693165-B2 · Jun 27, 2017 · US
Precise tracking of sound angle of arrival at a microphone array under air temperature variation
US-9686605-B2 · Jun 20, 2017 · US
Directivity control apparatus, directivity control method, storage medium and directivity control system
US-2017164103-A1 · Jun 8, 2017 · US
Portable eye tracking device
US-9665172-B2 · May 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04R1/32?
- CPC H04R1/32 is the Cooperative Patent Classification code for “for obtaining desired directional characteristic only {(specially adapted for hearing aids H04R25/40)}.”
- How many patents are filed under CPC H04R1/32 (for obtaining desired directional characteristic only {(specially adapted for hearing aids H04R25/40)})?
- Our database includes 305 publications tagged with this CPC code.
- Is patent activity under CPC H04R1/32 growing?
- Publication counts under this code: 25 in 2024 vs 23 in 2025 (latest complete years).