Class H03F : AMPLIFIERS
Subclass 1/06: Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12126308 | Tracker module, power amplifier module, radio frequency module, and communication device | Nov 16, 22 | Oct 22, 24 | Murata Manufacturing Co Ltd. |
| 12051998 | Amplifier circuit | Apr 22, 22 | Jul 30, 24 | Sumitomo Electric Industries Ltd. |
| 11456702 | Broadband high power amplifier | Jul 25, 19 | Sep 27, 22 | Rohde & Schwarz GmbH & Co. KG |
| 10826444 | Method for producing an amplification stage for a variable envelope signal | Nov 03, 16 | Nov 03, 20 | CENTRE NATIONAL D'ÉTUDES SPATIALES C N E S |
| 10790790 | Amplifiers with delta-sigma modulators using pulse-density modulations and related processes | Jan 17, 18 | Sep 29, 20 | Kapik Inc. |
| 10720994 | PAM-4 transmitter precoder for 1+0.5D PR channels | Feb 11, 19 | Jul 21, 20 | International Business Machine Corporation |
| 10693427 | High-efficiency amplifier | Oct 21, 16 | Jun 23, 20 | AIRBUS DEFENCE AND SPACE LIMITED |
| 10530316 | Matrix power amplifier | May 31, 19 | Jan 07, 20 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung E.V. |
| 10355652 | Matrix power amplifier | Nov 10, 17 | Jul 16, 19 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung E.V. |
| 10229807 | Amplification of electromagnetic waves via interaction with an electron beam by using a waveguide having a linear interaction channel with curved parts and including rows of pillars extending through the waveguide | Oct 13, 15 | Mar 12, 19 | Lancaster University Business Enterprises Limited |
| 10211790 | Peaking amplifier frequency tuning | Oct 23, 17 | Feb 19, 19 | Globalfoundries Inc. |
| 10205525 | PAM-4 transmitter precoder for 1+0.5D PR channels | Nov 30, 17 | Feb 12, 19 | International Business Machine Corporation |
| 10164578 | Frequency selective low noise amplifier circuit | Aug 29, 17 | Dec 25, 18 | Qorvo US, Inc. |
| 10028055 | Audio signal correction and calibration for a room environment | Jul 04, 17 | Jul 17, 18 | AMX, LLC |
| 9699557 | Audio signal correction and calibration for a room environment | Jul 02, 16 | Jul 04, 17 | AMX LLC |
| 9036691 | RF signal generating circuit, and transmitter | Aug 21, 12 | May 19, 15 | NEC CORPORATION |
| 9036825 | Audio signal correction and calibration for a room environment | Dec 11, 12 | May 19, 15 | AMX LLC |
| 8301090 | Distributed mobile communication network | Jul 06, 10 | Oct 30, 12 | ACEAXIS LIMITED |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0186,957 | SYSTEM AND METHOD FOR MANAGING THE OPERATION OF A TRAVELLING WAVE TUBE AMPLIFIER | Nov 29, 23 | Jun 06, 24 | Not available |
| 2024/0022,216 | ANALOG AMPLITUDE PRE-DISTORTION CIRCUIT AND METHOD | Jul 07, 23 | Jan 18, 24 | Not available |
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