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
- 1,834 US PATENTS IN FORCE
- 43 US APPLICATIONS PENDING
- 472 Total Patent Owners
- 5,013 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11934739 | Playback device | Dec 23, 22 | Mar 19, 24 | Sonos Inc. |
| 11937063 | Method and system for maintaining track length for pre-rendered spatial audio | May 05, 22 | Mar 19, 24 | Apple Inc. |
| 11909317 | Efficient use of energy in a switching power converter | Feb 24, 23 | Feb 20, 24 | Cirrus Logic Inc. |
| 11894813 | Constant level-shift buffer amplifier circuits | Jul 09, 21 | Feb 06, 24 | Omni Design Technologies Inc. |
| 11870405 | Optimized multi gain LNA enabling low current and high linearity including highly linear active bypass | Oct 18, 21 | Jan 09, 24 | pSemi Corporation |
| 11870403 | Half duplex amplifier | Sep 26, 22 | Jan 09, 24 | ARRIS Enterprises, LLC |
| 11855598 | Variable gain amplifier including impedance ladder circuit with exponentially dependent degeneration resistance | Aug 25, 22 | Dec 26, 23 | Marvell Asia Pte, Ltd. |
| 11856366 | Methods and apparatuses for driving audio and ultrasonic signals from the same transducer | Oct 26, 20 | Dec 26, 23 | Cirrus Logic Inc. |
| 11848653 | Method and apparatus to speed convergence and control behavior of digital control loop | Jan 26, 21 | Dec 19, 23 | MACOM Technology Solutions Holdings, Inc. |
| 11842730 | Modification of electronic system operation based on acoustic ambience classification | May 28, 21 | Dec 12, 23 | Gracenote, Inc. |
| 11829518 | Head-worn device with connection region | Jul 21, 23 | Nov 28, 23 | IngenioSpec, LLC |
| 11817110 | Cross product enhanced subband block based harmonic transposition | Jun 01, 22 | Nov 14, 23 | DOLBY INTERNATIONAL AB |
| 11818555 | Bluetooth audio broadcasting system and related multi-member Bluetooth device supporting Bluetooth low energy audio broadcasting operations and capable of synchronously adjusting audio volume | Dec 16, 21 | Nov 14, 23 | Realtek Semiconductor Corp. |
| 11813526 | Method and system for dynamic control of game audio based on audio analysis | Jul 01, 22 | Nov 14, 23 | Voyetra Turtle Beach, Inc. |
| 11803348 | Electronic devices for focused listening | Jul 13, 21 | Oct 31, 23 | Apple Inc. |
| 11791789 | Audio signal processing method and device for controlling loudness level | Mar 22, 22 | Oct 17, 23 | Gaudio Lab, Inc. |
| 11778378 | Volume management in a media playback system | Nov 08, 21 | Oct 03, 23 | Sonos Inc. |
| 11750993 | Method and device for processing information, terminal device, and storage medium | May 17, 22 | Sep 05, 23 | Beijing Xiaomi Mobile Software Co., Ltd. |
| 11743645 | Method and device for sound processing for a synthesized reality setting | Jun 15, 22 | Aug 29, 23 | Apple Inc. |
| 11728779 | Signal tracking-based supply voltage generation with over-boosted voltage | Jan 17, 20 | Aug 15, 23 | Cirrus Logic Inc. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 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 |
| 2024/0056,090 | AUDIO PROCESSING APPARATUS AND METHOD HAVING ECHO CANCELING MECHANISM | Dec 14, 22 | Feb 15, 24 | Not available |
| 2024/0046,940 | CROSS PRODUCT ENHANCED SUBBAND BLOCK BASED HARMONIC TRANSPOSITION | Oct 05, 23 | Feb 08, 24 | DOLBY INTERNATIONAL AB |
| 2023/0367,541 | Playback Device | Dec 23, 22 | Nov 16, 23 | Not available |
| 2023/0291,373 | TECHNIQUES TO EXTERNALLY CONTROL AMPLIFIER GAIN | Mar 09, 22 | Sep 14, 23 | Not available |
| 2023/0238,931 | ANALOG IMPLEMENTATION OF VARIABLE-GAIN DIFFERENTIATORS BASED ON VOLTAGE-CONTROLLED AMPLIFIERS | Jan 27, 22 | Jul 27, 23 | King Fahd University of Petroleum and Minerals |
| 2022/0385,253 | VALVE AMPLIFIERS | May 26, 22 | Dec 01, 22 | Not available |
| 2022/0353,617 | MULTI-CHANNEL CINEMA AMPLIFIER WITH POWER-SHARING, MESSAGING AND MULTI-PHASE POWER SUPPLY | Jul 12, 22 | Nov 03, 22 | Dolby Laboratories Licensing Corporation |
| 2022/0311,403 | SYSTEMS AND METHODS FOR LINEAR VARIABLE GAIN AMPLIFIER | Mar 23, 21 | Sep 29, 22 | Not available |
| 2022/0188,068 | Synchronizing Playback by Media Playback Devices | Mar 04, 22 | Jun 16, 22 | Not available |
| 2021/0384,879 | ACOUSTIC SIGNAL PROCESSING DEVICE, ACOUSTIC SIGNAL PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM THEREFOR | Jun 03, 21 | Dec 09, 21 | Faurecia Clarion Electronics Co., Ltd. |
| 2021/0143,784 | DIGITALLY CONTROLLED VARIABLE GAIN AMPLIFIER | Nov 11, 20 | May 13, 21 | Not available |
| 2021/0058,048 | CHANNELISED GAIN CONTROL OF LINE AMPLIFIERS | Aug 21, 20 | Feb 25, 21 | RF Industries Pty Ltd |
| 2021/0052,905 | VOLTAGE CONVERTER FOR MEDICAL DEVICES | Nov 04, 20 | Feb 25, 21 | Shenzhen Dansha Technology Co., Ltd. |
| 2021/0050,832 | VARIABLE-FREQUENCY CHARGE PUMP USING OUTPUT VOLTAGE THRESHOLD CONTROL | Aug 06, 20 | Feb 18, 21 | Cirrus Logic International Semiconductor Ltd. |
| 2021/0046,320 | VOLTAGE CONVERTING DEVICE | Nov 05, 20 | Feb 18, 21 | Shenzhen Dansha Technology Co., Ltd. |
| 2020/0395,909 | HYBRID RECEIVER FRONT-END | May 11, 20 | Dec 17, 20 | MEDIATEK SINGAPORE PTE LTD |
| 2020/0382,064 | FIBER-OPTIC NODE WITH FORWARD DATA CONTENT DRIVEN POWER CONSUMPTION | Aug 18, 20 | Dec 03, 20 | 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)