Class H03G : CONTROL OF AMPLIFICATION
Subclass 1/04: Details of arrangements for controlling amplification Modifications of control circuit to reduce distortion caused by control (modifications to reduce influence of variations of internal impedance of amplifying elements caused by control H03F 1/08)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11750163 | Deglitching circuit and method in a class-D amplifier | Mar 12, 21 | Sep 05, 23 | STMicroelectronics (Shenzhen) R&D Co., Ltd. |
| 10965263 | Deglitching circuit and method in class-D amplifier | Mar 15, 19 | Mar 30, 21 | STMicroelectronics (Shenzhen) R&D Co., Ltd. |
| 10672437 | Lower power auto-zeroing receiver incorporating CTLE, VGA, and DFE | Mar 19, 19 | Jun 02, 20 | Integrated Device Technology, Inc. |
| 10444299 | Magnetic field sensor's front end and associated mixed signal method for removing chopper's related ripple | Sep 11, 17 | Oct 15, 19 | ALLEGRO MICROSYSTEMS, LLC |
| 10382071 | Bandwidth optimization for power amplifier power supplies | Apr 08, 16 | Aug 13, 19 | Qorvo US, Inc. |
| 10381994 | Constrained nonlinear parameter estimation for robust nonlinear loudspeaker modeling for the purpose of smart limiting | Dec 21, 17 | Aug 13, 19 | Harman International Industries, Incorporated |
| 9755596 | Method and apparatus for changing the gain of a radio frequency signal | Oct 19, 16 | Sep 05, 17 | MAXLINEAR ASIA SINGAPORE PTE LTD. |
| 9729117 | System and method for leakage current control for programmable gain amplifiers | Jun 16, 15 | Aug 08, 17 | SYNAPTICS INCORPORATED |
| 9559653 | Digital automatic gain control | Mar 25, 13 | Jan 31, 17 | K/S HIMPP |
| 9270242 | Sound volume adjusting apparatus | Jan 23, 14 | Feb 23, 16 | YAMAHA CORPORATION |
| 9184713 | Low distortion amplifier | Nov 26, 09 | Nov 10, 15 | QUALCOMM TECHNOLOGIES INTERNATIONAL, LTD. |
| 9172341 | Power supply pre-distortion | May 26, 11 | Oct 27, 15 | SNAPTRACK, INC. |
| 8975959 | Monotonic conversion of RF power amplifier calibration data | Nov 26, 12 | Mar 10, 15 | QORVO US, INC. |
| 8928401 | Amplifier with filtering | Nov 26, 12 | Jan 06, 15 | NXP B.V. |
| 8897727 | Power detector with temperature compensation | Mar 14, 13 | Nov 25, 14 | QUALCOMM INCORPORATED |
| 8354832 | Power supply noise injection | Jun 28, 10 | Jan 15, 13 | AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD. |
| 5423074 | AM-FM transmitter power amplifier | Apr 11, 94 | Jun 06, 95 | ERICSSON GE MOBILE COMMUNICATIONS INC. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0313,728 | AMPLIFIERS | Mar 11, 24 | Sep 19, 24 | NORDIC SEMICONDUCTOR ASA |
| 2024/0106,404 | Circuit for Integrating Currents from High-Density Sensors | Sep 28, 22 | Mar 28, 24 | Not available |
| 2020/0295,723 | Deglitching Circuit and Method in Class-D Amplifier | Mar 15, 19 | Sep 17, 20 | Not available |
| 2019/0074,805 | Transient Detection for Speaker Distortion Reduction | Sep 07, 17 | Mar 07, 19 | Cirrus Logic International Semiconductor Ltd. |
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