Class H03G : CONTROL OF AMPLIFICATION
Subclass 3/20: Gain control in amplifiers or frequency changers (gated amplifiers H03F 3/72; peculiar to television receivers H04N) Automatic control (combined with volume compression or expansion H03G 7/00)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12256212 | Logic for reverberation time estimation | Jan 19, 23 | Mar 18, 25 | Apple Inc. |
| 12230236 | Adaptive music playback system | Nov 14, 23 | Feb 18, 25 | Nike Inc. |
| 12230591 | Integrated circuit, front-end module, and communication apparatus | Aug 14, 23 | Feb 18, 25 | Murata Manufacturing Co Ltd. |
| 12231094 | Systems and methods for device specification design and verification by error vector magnitude prediction | Dec 01, 21 | Feb 18, 25 | pSemi Corporation |
| 12212377 | Identifying signal interference sources | Dec 19, 23 | Jan 28, 25 | DISH Wireless L.L.C. |
| 12212937 | Calibration state variable | Feb 05, 24 | Jan 28, 25 | Sonos Inc. |
| 12207064 | Method and apparatus for controlling power consumption of speaker, storage medium, and electronic device | Feb 01, 23 | Jan 21, 25 | AAC MICROTECH (CHANGZHOU) CO.,LTD. |
| 12199630 | Programmable gain amplifier and a delta sigma analog-to-digital converter containing the PGA | Dec 05, 22 | Jan 14, 25 | Texas Instruments Incorporated |
| 12184294 | Split pass device applications for DAC supply systems | Jul 25, 22 | Dec 31, 24 | Apple Inc. |
| 12175988 | Apparatus and methods for processing an audio signal | Sep 24, 19 | Dec 24, 24 | Fraunhofer - Gesellschaft zur Foerderung der angewandten Forschung e.V. |
| 12167216 | Playback device pairing | Dec 23, 22 | Dec 10, 24 | SONOS, INC. |
| 12160202 | Amplifying device | Nov 17, 21 | Dec 03, 24 | Sumitomo Electric Industries Ltd. |
| 12126970 | Calibration of playback device(s) | Jun 16, 22 | Oct 22, 24 | SONOS, INC. |
| 12101063 | Distributed power management apparatus | Aug 17, 21 | Sep 24, 24 | Qorvo US, Inc. |
| 12096187 | Playback device control | Nov 22, 21 | Sep 17, 24 | SONOS, INC. |
| 12096193 | Systems and methods for controlling plate loudspeakers using modal crossover networks | Jun 26, 23 | Sep 17, 24 | University of Rochester |
| 12067995 | Apparatus and method for determining a predetermined characteristic related to an artificial bandwidth limitation processing of an audio signal | Sep 25, 19 | Aug 20, 24 | Fraunhofer - Gesellschaft zur Foerderung der angewandten Forschung e.V. |
| 12069444 | Calibration state variable | Jul 25, 23 | Aug 20, 24 | Sonos Inc. |
| 12063483 | Signal processing device, signal processing method, program, and video display device | Mar 30, 20 | Aug 13, 24 | Sony Group Corporation |
| 12045539 | Methods and devices for controlling audio parameters | Sep 18, 19 | Jul 23, 24 | Dolby Laboratories Licensing Corporation; DOLBY INTERNATIONAL AB; |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0105,855 | PROGRAMMABLE GAIN AMPLIFIER AND A DELTA SIGMA ANALOG-TO-DIGITAL CONVERTER CONTAINING THE PGA | Dec 09, 24 | Mar 27, 25 | Texas Instruments Incorporated |
| 2025/0023,574 | SPLIT PASS DEVICE APPLICATIONS FOR DAC SUPPLY SYSTEMS | Oct 02, 24 | Jan 16, 25 | Not available |
| 2024/0406,624 | LOUDSPEAKER EXCURSION PREDICTION SYSTEM | May 31, 23 | Dec 05, 24 | Not available |
| 2024/0396,953 | SYSTEMS AND METHODS FOR ESTABLISHING A VOICE LINK BETWEEN USERS ACCESSING MEDIA | May 24, 24 | Nov 28, 24 | Not available |
| 2024/0378,014 | METHODS AND DEVICES FOR CONTROLLING AUDIO PARAMETERS | Jul 22, 24 | Nov 14, 24 | Dolby Laboratories Licensing Corporation; DOLBY INTERNATIONAL AB; |
| 2024/0342,591 | INDEPENDENT GAME AND CHAT VOLUME CONTROL | May 14, 24 | Oct 17, 24 | Not available |
| 2024/0334,128 | Playback Device Grouping | Jun 10, 24 | Oct 03, 24 | Not available |
| 2024/0299,843 | INDEPENDENT GAME AND CHAT VOLUME CONTROL | May 28, 24 | Sep 12, 24 | Not available |
| 2024/0284,102 | Volume Management in a Media Playback System | Oct 02, 23 | Aug 22, 24 | Not available |
| 2024/0235,510 | AUTOMATIC VOLUME CONTROL FOR A HEARING DEVICE | Mar 25, 24 | Jul 11, 24 | Not available |
| 2024/0187,803 | Network Device for Media Playback | Feb 12, 24 | Jun 06, 24 | Not available |
| 2024/0171,910 | ENVIRONMENTAL SOUND PASS-THROUGH METHOD AND APPARATUS APPLIED TO VR, DEVICE AND STORAGE MEDIUM | Jun 13, 23 | May 23, 24 | Luxshare Precision Technology(Nanjing)Co., LTD |
| 2024/0171,921 | Calibration Interface | Oct 16, 23 | May 23, 24 | Not available |
| 2024/0114,289 | Playback Device Pairing | Sep 11, 23 | Apr 04, 24 | Not available |
| 2024/0086,144 | Synchronizing Playback by Media Playback Devices | Apr 10, 23 | Mar 14, 24 | Not available |
| 2024/0073,636 | ELECTRONIC DEVICE CHARGING VIA AN AUDIO JACK | Nov 06, 23 | Feb 29, 24 | Not available |
| 2023/0377,573 | Media Content Based on Operational Data | Apr 24, 23 | Nov 23, 23 | Not available |
| 2023/0367,541 | Playback Device | Dec 23, 22 | Nov 16, 23 | Not available |
| 2023/0146,871 | AUDIO DATA PROCESSING METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM | Nov 21, 22 | May 11, 23 | Tencent Technology (Shenzhen) Company Ltd. |
| 2022/0188,068 | Synchronizing Playback by Media Playback Devices | Mar 04, 22 | Jun 16, 22 | Not available |
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