Class H03F : AMPLIFIERS
Subclass 1/26: Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements Modifications of amplifiers to reduce influence of noise generated by amplifying elements
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12267049 | Audio amplifer with fast wake-up power supply | Dec 01, 21 | Apr 01, 25 | RGB Systems Inc. |
| 12255589 | Audio signal modulation and amplification circuit | Jul 29, 22 | Mar 18, 25 | Realtek Semiconductor Corp. |
| 12231091 | Multiple transistor LNA MMIC design | May 17, 21 | Feb 18, 25 | AmpliTech, Inc. |
| 12231093 | Method, device, and system for signal distortion pre-correction, and composite system | Dec 31, 19 | Feb 18, 25 | ZTE Corporation |
| 12224723 | High frequency power amplification device | Feb 21, 24 | Feb 11, 25 | NUVOTON TECHNOLOGY CORPORATION JAPAN |
| 12224783 | Broadband active coupling method and device | Jan 28, 22 | Feb 11, 25 | Ciena Corporation |
| 12218637 | Drain switched split amplifier with capacitor switching for noise figure and isolation improvement in split mode | Dec 08, 23 | Feb 04, 25 | pSemi Corporation |
| 12218638 | Electronic device and electroacoustic conversion apparatus | Jun 22, 21 | Feb 04, 25 | SONY SEMICONDUCTOR SOLUTIONS CORPORATION |
| 12212940 | Acoustic processing apparatus | Dec 21, 22 | Jan 28, 25 | PANASONIC AUTOMOTIVE SYSTEMS CO., LTD. |
| 12199686 | Fast, low-power receive signal strength indicator (RSSI) circuit and method therefor | Mar 31, 22 | Jan 14, 25 | SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC |
| 12191816 | Complementary balanced low-noise amplifier circuit | Dec 10, 21 | Jan 07, 25 | Qorvo US, Inc. |
| 12191820 | Low noise amplifier and receiver | Jul 28, 22 | Jan 07, 25 | Samsung Electronics Co. Ltd. |
| 12191831 | Amplifying device having high input impedance | Feb 03, 22 | Jan 07, 25 | Seoul National University R&DB Foundation |
| 12184239 | Method to reduce noise in microphone circuits | Jul 07, 20 | Dec 31, 24 | Creative Technology Ltd. |
| 12184240 | Low noise amplifiers with low noise figure | Jan 26, 24 | Dec 31, 24 | Skyworks Solutions, Inc. |
| 12184249 | Active ground bounce noise cancelation technique for closed loop analog regulation | Nov 03, 21 | Dec 31, 24 | Infineon Technologies AG |
| 12176862 | Inductive interface circuits having ripple-reduction loops | Nov 02, 22 | Dec 24, 24 | ALLEGRO MICROSYSTEMS, LLC |
| 12176865 | Integrated low-noise amplifier of compact layout | Oct 14, 21 | Dec 24, 24 | Realtek Semiconductor Corp. |
| 12176936 | Configurable wideband split LNA | Aug 07, 23 | Dec 24, 24 | pSemi Corporation |
| 12170506 | LNA architecture with configurable feedback filtering | Dec 28, 22 | Dec 17, 24 | Murata Manufacturing Co Ltd. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0119,104 | GYROSCOPE QUADRATURE CANCELLATION | Oct 10, 23 | Apr 10, 25 | Not available |
| 2025/0112,597 | DYNAMIC BIASING CIRCUITRY FOR TRANSCONDUCTANCE AMPLIFIER STAGE | Oct 02, 24 | Apr 03, 25 | Not available |
| 2025/0112,604 | CURRENT MIRROR CIRCUIT TO COMPENSATE PROCESS VARIATION EFFECTS | Jun 06, 24 | Apr 03, 25 | Not available |
| 2025/0105,807 | SAMPLED-DATA RECEIVER WITH CHOPPER STABILIZATION | Sep 26, 23 | Mar 27, 25 | Not available |
| 2025/0096,737 | LOW-NOISE AMPLIFIER (LNA) INPUT IMPEDANCE IMPROVEMENT USING COUPLING BETWEEN OUTPUT INDUCTOR AND DEGENERATION INDUCTOR | Sep 19, 23 | Mar 20, 25 | Not available |
| 2025/0096,840 | Radio-frequency Power Detector with Common Mode Leakage Cancellation | Apr 29, 24 | Mar 20, 25 | Not available |
| 2025/0080,071 | AMPLIFICATION DEVICE AND MEASUREMENT INSTRUMENT | Feb 26, 24 | Mar 06, 25 | Not available |
| 2025/0070,810 | CONFIGURABLE WIDEBAND SPLIT LNA | Nov 08, 24 | Feb 27, 25 | Not available |
| 2025/0062,724 | AMPLIFIER CIRCUIT AND COMMUNICATION DEVICE | Nov 01, 24 | Feb 20, 25 | Not available |
| 2025/0055,429 | METHODS AND APPARATUS TO REJECT CURRENT RIPPLE | Jan 31, 24 | Feb 13, 25 | Not available |
| 2025/0055,431 | OFFSET CALIBRATION FOR SIGNAL RMS MEASUREMENT | Aug 07, 23 | Feb 13, 25 | Not available |
| 2025/0047,246 | AMPLIFIER CIRCUIT | Jul 31, 23 | Feb 06, 25 | Not available |
| 2025/0047,249 | TRIANGLE WAVE GENERATOR CIRCUIT WITH NOISE REDUCTION | Jul 10, 24 | Feb 06, 25 | Crestron Electronics Inc. |
| 2025/0039,600 | SINGLE-END-TO-DIFFERENTIAL MICROPHONE CIRCUIT AND ELECTRONIC EQUIPMENT | May 20, 22 | Jan 30, 25 | Not available |
| 2025/0030,384 | HIGH-FREQUENCY POWER SUPPLY | Oct 20, 22 | Jan 23, 25 | KYOSAN ELECTRIC MFG. CO., LTD. |
| 2024/0429,874 | STACKED MULTI-STAGE PROGRAMMABLE LNA ARCHITECTURE | Sep 06, 24 | Dec 26, 24 | Not available |
| 2024/0413,795 | RADIO FREQUENCY LOW-NOISE AMPLIFIER CIRCUIT AND RADIO FREQUENCY CHIP | Aug 16, 24 | Dec 12, 24 | Not available |
| 2024/0413,796 | LOW NOISE AMPLIFIER CIRCUIT AND RF FRONT-END MODULE | Aug 22, 24 | Dec 12, 24 | RADROCK (SHENZHEN) TECHNOLOGY CO., LTD. |
| 2024/0396,502 | SINGLE-ENDED-TO-DIFFERENTIAL TRANSCONDUCTANCE AMPLIFIERS AND APPLICATIONS THEREOF | Sep 28, 22 | Nov 28, 24 | Not available |
| 2024/0396,504 | Multi-Band Low Noise Amplifier, Phased Array, and Electronic Device | May 22, 23 | Nov 28, 24 | Not available |
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