Seatback speakers
US-2024208385-A1 · Jun 27, 2024 · US
in a chair, pillow
in a chair, pillow · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04R5/023 |
| Official title | {in a chair, pillow} |
| Display label | in a chair, pillow |
| Total patents | 473 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 25 |
| 2017 | 37 |
| 2018 | 31 |
| 2019 | 43 |
| 2020 | 34 |
| 2021 | 40 |
| 2022 | 44 |
| 2023 | 50 |
| 2024 | 62 |
| 2025 | 72 |
| 2026 | 19 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pillow sound system
US-2024041232-A1 · Feb 8, 2024 · US
Simulating acoustic output at a location corresponding to source position data
US-9854376-B2 · Dec 26, 2017 · US
Automatic noise control
US-2017287463-A1 · Oct 5, 2017 · US
Display device for generating sound by vibrating panel
US-2017280217-A1 · Sep 28, 2017 · US
Panel vibration type sound generating display device
US-2017280216-A1 · Sep 28, 2017 · US
Panel vibration type sound-generating display device
US-2017280249-A1 · Sep 28, 2017 · US
Panel vibration type sound generating display device
US-2017280243-A1 · Sep 28, 2017 · US
Acoustic Output Through Headrest Wings
US-2017267138-A1 · Sep 21, 2017 · US
Controlling Acoustic Output Through Headrest Wings
US-2017272876-A1 · Sep 21, 2017 · US
Speaker grill assembly for vehicle seats
US-2017267139-A1 · Sep 21, 2017 · US
Loudspeaker arrangement in a car interior
US-2017188153-A1 · Jun 29, 2017 · US
Speaker grill assembly for vehicle seats
US-9682641-B1 · Jun 20, 2017 · US
Acoustic conversion device for active noise control
US-2017110107-A1 · Apr 20, 2017 · US
Wearable audio device
US-9621973-B2 · Apr 11, 2017 · US
Motor vehicle audio system
US-9602948-B2 · Mar 21, 2017 · US
In-car communication
US-2017055078-A1 · Feb 23, 2017 · US
System and method for directionally radiating sound
US-9560448-B2 · Jan 31, 2017 · US
Simulating acoustic output at a location corresponding to source position data
US-2017013385-A1 · Jan 12, 2017 · US
External attachments for speakers in seats
US-2016381445-A1 · Dec 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04R5/023?
- CPC H04R5/023 is the Cooperative Patent Classification code for “in a chair, pillow.”
- How many patents are filed under CPC H04R5/023 (in a chair, pillow)?
- Our database includes 473 publications tagged with this CPC code.
- Is patent activity under CPC H04R5/023 growing?
- Publication counts under this code: 62 in 2024 vs 72 in 2025 (latest complete years).