Description
Class H03G : CONTROL OF AMPLIFICATION
Subclass 3/00: Gain control in amplifiers or frequency changers (gated amplifiers H03F 3/72; peculiar to television receivers H04N)
H03G 3/00
Sub-Class
Stats
- 1,861 US PATENTS IN FORCE
- 54 US APPLICATIONS PENDING
- 472 Total Patent Owners
- 5,064 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12266374 | Cross product enhanced subband block based harmonic transposition | May 28, 24 | Apr 01, 25 | DOLBY INTERNATIONAL AB |
| 12256212 | Logic for reverberation time estimation | Jan 19, 23 | Mar 18, 25 | Apple Inc. |
| 12248728 | Centralized digital mute and volume control | Jun 22, 22 | Mar 11, 25 | STMicroelectronics S.r.l. |
| 12243510 | Methods and systems for engine sound synthesis | Oct 20, 22 | Mar 04, 25 | Harman International Industries, Incorporated |
| 12237818 | Audio signal processing method and device for controlling loudness level | Sep 29, 23 | Feb 25, 25 | Gaudio Lab, Inc. |
| 12199580 | Analog implementation of variable-gain differentiators based on voltage-controlled amplifiers | Jan 27, 22 | Jan 14, 25 | King Fahd University of Petroleum and Minerals |
| 12199630 | Programmable gain amplifier and a delta sigma analog-to-digital converter containing the PGA | Dec 05, 22 | Jan 14, 25 | Texas Instruments Incorporated |
| 12191832 | Load-modulated balanced amplifier (LMBA) based on variable cross-coupled pair (XCP) | May 26, 23 | Jan 07, 25 | CHENGDU FLUXWORKS TECHNOLOGY CO., LTD |
| 12179107 | Method and system for dynamic control of game audio based on audio analysis | Oct 27, 23 | Dec 31, 24 | Voyetra Turtle Beach, Inc. |
| 12176873 | Method and circuit for dynamic range control based on peak level and RMS level double-level detection | Jan 09, 24 | Dec 24, 24 | Suzhou Zhisheng Semiconductor Technology Co., Ltd. |
| 12176911 | Audio processing apparatus and method having echo canceling mechanism | Dec 14, 22 | Dec 24, 24 | SigmaStar Technology Ltd. |
| 12166460 | Volume leveler controller and controlling method | Jul 20, 23 | Dec 10, 24 | Dolby Laboratories Licensing Corporation |
| 12118970 | Compensating noise removal artifacts | Oct 27, 22 | Oct 15, 24 | Nokia Technologies Oy |
| 12119789 | Variable gain power amplifiers | May 31, 23 | Oct 15, 24 | Agilent Technologies Texas Instruments Incorporated |
| 12120493 | Method and device for sound processing for a synthesized reality setting | Jul 12, 23 | Oct 15, 24 | Apple Inc. |
| 12112768 | Post-processing gains for signal enhancement | Jun 29, 23 | Oct 08, 24 | Dolby Laboratories Licensing Corporation |
| 12107560 | Valve amplifiers | May 26, 22 | Oct 01, 24 | Blackstar Amplification Ltd. |
| 12101070 | Method and system for processing audio signal | Jun 23, 22 | Sep 24, 24 | NAVER Corporation; Gaudio Lab, Inc.; |
| 12101608 | Bluetooth audio broadcasting system and related multi-member Bluetooth device | Jul 26, 23 | Sep 24, 24 | Realtek Semiconductor Corp. |
| 12096187 | Playback device control | Nov 22, 21 | Sep 17, 24 | SONOS, INC. |
Recent Publications
| 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 |
| 2025/0096,760 | VARIABLE GAIN DIFFERENTIATOR FOR ANALOG SIGNAL DIFFERENTIATION | Dec 04, 24 | Mar 20, 25 | King Fahd University of Petroleum and Minerals |
| 2025/0070,759 | CIRCUIT FOR ATTENUATING SIGNAL RECEIVED THROUGH ANTENNA TO IMPROVE SNR, ELECTRONIC DEVICE INCLUDING THE SAME, AND METHOD FOR CONTROLLING THE SAME | Aug 21, 24 | Feb 27, 25 | Samsung Electronics Co., Ltd. |
| 2025/0055,425 | Radio-frequency Amplifier with Supply and Load Modulation | May 23, 24 | Feb 13, 25 | Not available |
| 2025/0016,503 | SOUND SIGNAL PROCESSING METHOD AND SOUND SIGNAL PROCESSING DEVICES | Jul 05, 24 | Jan 09, 25 | Not available |
| 2024/0429,888 | VARIABLE GAIN AMPLIFIER WITH COMPLEMENTARILY SWITCHED NEUTRALIZED DIFFERENTIAL PAIR | Jun 21, 23 | Dec 26, 24 | Intel Corp. |
| 2024/0313,728 | AMPLIFIERS | Mar 11, 24 | Sep 19, 24 | NORDIC SEMICONDUCTOR ASA |
| 2024/0305,258 | SQUELCH DETECTOR | Nov 29, 23 | Sep 12, 24 | GigaDevice Semiconductor Inc. |
| 2024/0291,455 | AUDIO PROCESSING | Feb 22, 24 | Aug 29, 24 | Not available |
| 2024/0284,102 | Volume Management in a Media Playback System | Oct 02, 23 | Aug 22, 24 | Not available |
| 2024/0243,715 | PROGRAMMABLE GAIN AMPLIFIER, INTEGRATED CIRCUIT, ELECTRONIC DEVICE, AND FREQUENCY CORRECTION METHOD | Mar 08, 24 | Jul 18, 24 | CHIPSEA TECHNOLOGIES (SHENZHEN) CORP. |
| 2024/0187,803 | Network Device for Media Playback | Feb 12, 24 | Jun 06, 24 | Not available |
| 2024/0178,809 | COMPENSATION METHOD FOR CHARACTERISTIC DIFFERENCE OF PHOTOELECTRIC ELEMENT | Dec 13, 22 | May 30, 24 | Not available |
| 2024/0171,145 | Tunable Effective Inductance for Multi-Gain LNA with Inductive Source Degeneration | Jan 19, 24 | May 23, 24 | Not available |
| 2024/0162,872 | HALF DUPLEX AMPLIFIER | Nov 22, 23 | May 16, 24 | ARRIS Enterprises, LLC |
| 2024/0146,272 | Optimized Multi Gain LNA Enabling Low Current and High Linearity Including Highly Linear Active Bypass | Jan 05, 24 | May 02, 24 | Not available |
| 2024/0086,144 | Synchronizing Playback by Media Playback Devices | Apr 10, 23 | Mar 14, 24 | Not available |
| 2024/0088,855 | AUDIO MIXING DEVICE AND ELECTRONIC DEVICE | Sep 01, 23 | Mar 14, 24 | Not available |
| 2024/0062,754 | MODIFICATION OF ELECTRONIC SYSTEM OPERATION BASED ON ACOUSTIC AMBIENCE CLASSIFICATION | Oct 30, 23 | Feb 22, 24 | Not available |
| 2023/0367,541 | Playback Device | Dec 23, 22 | Nov 16, 23 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)