Description
Class H03C : MODULATION
Subclass 1/06: Amplitude modulation (H03C 5/00, H03C 7/00 take precedence) Details Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator
H03C 1/06
Sub-Class
Stats
- 26 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 17 Total Patent Owners
- 101 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11863360 | Methods and apparatus to reduce variations for on-off keying transmissions | Jan 25, 22 | Jan 02, 24 | Texas Instruments Incorporated |
| 11374536 | Zero IF transmitter with decoupling between mixer and programmable gain stage | Jan 26, 21 | Jun 28, 22 | Agilent Technologies Texas Instruments Incorporated |
| 11277287 | Processing amplitude modulation signals with noise estimation | Mar 30, 20 | Mar 15, 22 | NXP B.V. |
| 10944361 | Zero if transmitter with decoupling between mixer and programmable gain stage | Feb 13, 19 | Mar 09, 21 | Agilent Technologies Texas Instruments Incorporated |
| 10050608 | Phase modulation noise reducer | Jun 22, 16 | Aug 14, 18 | The United States of America as represented by the Secretary of Commerce |
| 9654054 | Device and method for saturation prevention by transfer function modulation associated with conditioning of electrical current or voltage | Sep 30, 15 | May 16, 17 | Technology for Energy Corporation |
| 9407246 | Phase modulation noise reducer | May 19, 15 | Aug 02, 16 | THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF COMMERCE |
| 9106501 | Quadrature power amplifier having increased efficiency | Apr 03, 13 | Aug 11, 15 | TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) |
| 8938027 | Distortion compensation circuit, and transmission device using distortion compensation circuit and high-frequency power amplifier | Mar 12, 12 | Jan 20, 15 | HITACHI KOKUSAI ELECTRIC INC. |
| 8583060 | Polar modulator and method for generating a polar modulated signal | Jun 29, 12 | Nov 12, 13 | INTEL DEUTSCHLAND GMBH |
| 8269572 | Reducing the distortion of applied modulation | Feb 26, 09 | Sep 18, 12 | QUALCOMM TECHNOLOGIES INTERNATIONAL, LTD. |
| 8233854 | Polar modulator and method for generating a polar-modulated signal | May 01, 09 | Jul 31, 12 | INTEL DEUTSCHLAND GMBH |
| 8159309 | Windowing to narrow a bandwidth of an amplitude modulation power supply input signal | Jun 24, 10 | Apr 17, 12 | QORVO US, INC. |
| 7995674 | Digital predistortion transmitter | Dec 29, 10 | Aug 09, 11 | HITACHI, LTD. |
| 7893787 | DC offset cancellation circuit for modulator using 1-bit signal conversion | Aug 19, 05 | Feb 22, 11 | NEC CORPORATION |
| 7884681 | Radio frequency power amplifier improvements using pre-distortion of an amplitude modulation power supply | Apr 30, 08 | Feb 08, 11 | QORVO US, INC. |
| 7864882 | Method and apparatus for generating constant envelope modulation using a quadrature transmitter | Dec 30, 06 | Jan 04, 11 | GOOGLE INC. |
| 7688914 | Distortion compensation in wireless digital communication | Dec 27, 05 | Mar 30, 10 | FUJITSU LIMITED |
| 6674335 | Blind linearization using cross-modulation | Jun 28, 02 | Jan 06, 04 | QUALCOMM INCORPORATED |
| 6518849 | Dynamic delay compensation versus average switching frequency in a modulator loop and methods thereof | Apr 16, 01 | Feb 11, 03 | CIRRUS LOGIC, INC. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2020/0177,130 | ZERO IF TRANSMITTER WITH DECOUPLING BETWEEN MIXER AND PROGRAMMABLE GAIN STAGE | Feb 13, 19 | Jun 04, 20 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 24 Months (last 2 years Issuances)
- 24 Months (last 5 years Issuances)