Class H03F : AMPLIFIERS
Subclass 1/12: Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements (wide-band amplifiers with inter-stage coupling networks incorporating these impedances H03F 1/42; eliminating transit-time effects in vacuum tubes H01J 21/34) by use of attenuating means
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12113495 | Amplifier circuit having adjustable gain | Oct 12, 21 | Oct 08, 24 | RichWave Technology Corp. |
| 12068727 | Non-isolated single-inductor circuit for outputting positive and negative low-voltage power | Nov 10, 21 | Aug 20, 24 | GUANGDONG GIWEE TECHNOLOGY CO. LTD. |
| 11870403 | Half duplex amplifier | Sep 26, 22 | Jan 09, 24 | ARRIS Enterprises, LLC |
| 11799429 | Multi-frequency band communication based on filter sharing | Sep 21, 21 | Oct 24, 23 | Apple Inc. |
| 11437965 | Variable gain amplifier and wireless communication device | Sep 11, 20 | Sep 06, 22 | KABUSHIKI KAISHA TOSHIBA; TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION; |
| 11233491 | Distortion imparting device and distortion imparting method | Nov 07, 19 | Jan 25, 22 | Roland Corporation |
| 11063566 | RF module and method for testing an RF module | Nov 28, 17 | Jul 13, 21 | Snaptrack Inc. |
| 11018643 | Signal amplifier device | Jun 20, 17 | May 25, 21 | SONY SEMICONDUCTOR SOLUTIONS CORPORATION |
| 10979007 | Amplification device with isolation characteristics | Feb 22, 19 | Apr 13, 21 | SAMSUNG-ELECTRO-MECHANICS CO. LTD. |
| 10972057 | Single-phase differential conversion circuit, signal processing method for use therewith, and reception apparatus | Dec 06, 17 | Apr 06, 21 | SONY SEMICONDUCTOR SOLUTIONS CORPORATION |
| 10951173 | Circuits, devices and methods related to amplification with active gain bypass | Aug 05, 19 | Mar 16, 21 | Skyworks Solutions, Inc. |
| 10868506 | Line drivers for wireline transmission devices | Nov 04, 19 | Dec 15, 20 | Taiwan Semiconductor Manufacturing Co., Ltd. |
| 10727790 | Driver amplifier with programmable single-ended and differential outputs | Apr 26, 18 | Jul 28, 20 | QUALCOMM Incorporated |
| 10498301 | Line drivers for wireline transmission devices | Apr 27, 18 | Dec 03, 19 | Taiwan Semiconductor Manufacturing Co., Ltd. |
| 10439559 | Methods of adjusting gain error in instrumentation amplifiers | Apr 01, 19 | Oct 08, 19 | Microchip Technology Incorporated |
| 10389310 | Radio-frequency signal amplifier circuit, power amplifier module, front-end circuit, and communication device | Sep 28, 18 | Aug 20, 19 | Murata Manufacturing Co Ltd. |
| 10374555 | Radio-frequency amplifier having active gain bypass circuit | Sep 13, 17 | Aug 06, 19 | SKYWORKS SOLUTIONS, INC. |
| 10320350 | System and method for bypassing a low noise amplifier | Mar 27, 18 | Jun 11, 19 | Infineon Technologies AG |
| 10250198 | Methods of adjusting gain error in instrumentation amplifiers | Feb 02, 18 | Apr 02, 19 | Microchip Technology Incorporated |
| 10122322 | Dynamic error vector magnitude correction for radio-frequency amplifiers | Dec 21, 16 | Nov 06, 18 | SKYWORKS SOLUTIONS, INC. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 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. |
| 2024/0243,701 | AMPLIFIER CIRCUIT FOR BUFFERING HIGH SLEW RATE SIGNAL | Jan 18, 23 | Jul 18, 24 | Cirrus Logic International Semiconductor Ltd. |
| 2024/0162,872 | HALF DUPLEX AMPLIFIER | Nov 22, 23 | May 16, 24 | ARRIS Enterprises, LLC |
| 2019/0334,483 | DRIVER AMPLIFIER WITH PROGRAMMABLE SINGLE-ENDED AND DIFFERENTIAL OUTPUTS | Apr 26, 18 | Oct 31, 19 | Not available |
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