Field briefing
H04R · Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical…
Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; electric hearing aids; public address systems. Patents classified in CPC H04R, part of Electricity and electronics.
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Connected industries
Other industries that share patents, companies or citations with Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical….
Newest patents in H04R · Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical…
19 patents imported from the European Patent Office; newest published 2026-10-08; most active companies: Awespire Tech Inc, Canatu OY, Alphatheta Corp.
- TRIMMING RESISTOR USING MODULATED SIGNAL US20260311914A1, published 2026-10-08
- 具有偶极天线的助听器 CN122802851A, published 2026-09-22
- Ladeschnittstelle für ein elektrisches Gerät DE102025116425B3, published 2026-09-17
- Hörgerät DE102025127728B3, published 2026-09-03
- 具有环形天线的移动电子设备、尤其听力设备 CN122661639A, published 2026-08-28
- 音频连接器及电子设备 CN122659602A, published 2026-08-28
- 一种无极等离子体照明装置及控制方法 CN122602334A, published 2026-08-18
- 一种扬声器磁路充磁装置 CN122599229A, published 2026-08-18
- ANTENNA MODULE AND ELECTRONIC DEVICE US20260229777A1, published 2026-08-06
- ROTARY OPERATION MEMBER AND SOUND CONTROL DEVICE EP4701230A1, published 2026-02-25
- METHOD AND APPARATUS FOR MAINTAINING FILMS WITH FREE-STANDING REGION US20250263293A1, published 2025-08-21
- Trimming resistor using modulated signal CN120377836A, published 2025-07-25
- System and method for detecting fire event in underground utility tunnels based on acoustics US20250012625A1, published 2025-01-09
- Multi-band slot antenna US2021075116A1, published 2021-03-11
- 自立領域を有するフィルムを備えた装置 JP2021502233A, published 2021-01-28
- Apparatuses comprising films with free-standing region CN111316376A, published 2020-06-19
- Guided virtual reality system for relaxing body and mind TW202001787A, published 2020-01-01
- GUIDED VIRTUAL REALITY SYSTEM FOR RELAXING BODY AND MIND US2019369725A1, published 2019-12-05
- APPARATUSES COMPRISING FILMS WITH FREE-STANDING REGION FI20176000A1, published 2019-05-09
Most active companies
Counted over the newest 19 imported patents in this industry.
- Awespire Tech Inc 2 patents
- Canatu OY 2 patents
- Alphatheta Corp 1 patent
- Bose Corp 1 patent
- Canatu Finland OY 1 patent
- Compal Electronics Inc 1 patent
- Electronics & Telecommunications RES Inst 1 patent
- Electronics AND Telecommunications Research Inst 1 patent
Connected industries
- H01K · Electric incandescent lamps 7 patents in both
- H01Q · Antennas, i.e. radio aerials 5 patents in both
- H01S · Devices using the process of light amplification by stimulated emission of radiation… 4 patents in both
- B01D · Separation 4 patents in both
- B81C · Processes or apparatus specially adapted for the manufacture or treatment of… 4 patents in both