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Class Information
Number: 375/300
Name: Pulse or digital communications > Transmitters > Amplitude modulation
Description: Subject matter in which the pulses are multiplied with a carrier wave so as to produce and transmit at least one sideband equal to the carrier plus or minus the baseband.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620376 |
Method and arrangement for performing analog signal processing and measuring between a signal source and a load |
Nov. 17, 2009 |
| 7603089 |
Methods and apparatus for conditioning low-magnitude events in communications signals |
Oct. 13, 2009 |
| 7599448 |
Multi-mode selectable modulation architecture calibration and power control apparatus, system, and method for radio frequency power amplifier |
Oct. 6, 2009 |
| 7593698 |
Large signal polar modulated power amplifier |
Sep. 22, 2009 |
| 7583894 |
Interferometric operation of electroabsorption modulators |
Sep. 1, 2009 |
| 7583694 |
Data definition apparatus, systems, and methods |
Sep. 1, 2009 |
| 7573949 |
Transmitter circuit, transmission method, and communications device using the transmitter circuit |
Aug. 11, 2009 |
| 7570711 |
Quadrature LINC transmission method and apparatus |
Aug. 4, 2009 |
| 7570928 |
System and method for low delay corrective feedback power amplifier control |
Aug. 4, 2009 |
| 7564922 |
RF transmitter for efficiently compensating output power variation due to temperature and process |
Jul. 21, 2009 |
| 7555061 |
Optical communication device |
Jun. 30, 2009 |
| 7535983 |
Method for identifying the beginning of a UWB pulse sequence |
May. 19, 2009 |
| 7529522 |
Apparatus and method for communicating an input signal in polar representation |
May. 5, 2009 |
| 7525398 |
Acoustically communicating data signals across an electrical isolation barrier |
Apr. 28, 2009 |
| 7522672 |
Digital branch calibrator for an RF transmitter |
Apr. 21, 2009 |
| 7502423 |
Digital modulator and digital modulation method |
Mar. 10, 2009 |
| 7471745 |
Method and apparatus for channel quality metric generation within a packet-based multicarrier modulation communication system |
Dec. 30, 2008 |
| 7469020 |
Systems, methods, and apparatus for reducing dynamic range requirements of a power amplifier in a wireless device |
Dec. 23, 2008 |
| 7466965 |
Transmission method and transmitter circuit |
Dec. 16, 2008 |
| 7457371 |
Transmission signal generating circuit and radio base station communication apparatus using the same |
Nov. 25, 2008 |
| 7450660 |
Apparatus and method for digital modulation |
Nov. 11, 2008 |
| 7443924 |
Residual carrier and side band processing system and method |
Oct. 28, 2008 |
| 7433653 |
Transmitter and semiconductor integrated circuit for communication |
Oct. 7, 2008 |
| 7421037 |
Reconfigurable transmitter with direct digital to RF modulator |
Sep. 2, 2008 |
| 7395038 |
High-efficiency modulating RF amplifier |
Jul. 1, 2008 |
| 7395039 |
Transmitter |
Jul. 1, 2008 |
| 7369819 |
Digital amplitude modulation transmitter with pulse width modulating RF drive |
May. 6, 2008 |
| 7366482 |
Transmission device, transmission output control method, and radio communications device |
Apr. 29, 2008 |
| 7362824 |
Modulation method and radio communication system |
Apr. 22, 2008 |
| 7359448 |
Remote transmitter system and method |
Apr. 15, 2008 |
| 7359472 |
Method and apparatus for wireless data transmission |
Apr. 15, 2008 |
| 7359685 |
Transmitting stage |
Apr. 15, 2008 |
| 7356315 |
Outphasing modulators and methods of outphasing modulation |
Apr. 8, 2008 |
| 7356092 |
Wireless communication system and communication semiconductor integrated circuit device |
Apr. 8, 2008 |
| 7346124 |
Wideband quadrature generation technique requiring only narrowband components and method thereof |
Mar. 18, 2008 |
| 7340010 |
Forward error correction coding for hybrid AM in-band on-channel digital audio broadcasting systems |
Mar. 4, 2008 |
| 7340012 |
Single and multiple sinewave modulation and demodulation techniques employing carrier-zero and carrier-peak data-word start and stop |
Mar. 4, 2008 |
| 7333780 |
Polar modulation transmission apparatus and radio communication apparatus |
Feb. 19, 2008 |
| 7330706 |
Method and system for power control in radio transmitters |
Feb. 12, 2008 |
| 7324787 |
Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication system |
Jan. 29, 2008 |
| 7313200 |
Radio frequency communications systems and methods employing single and multiple sinewave modulation and demodulation techniques |
Dec. 25, 2007 |
| 7310383 |
Coaxial cable communications systems and apparatus employing single and multiple sinewave modulation and demodulation techniques |
Dec. 18, 2007 |
| 7310384 |
Satellite communications systems and methods employing single and multiple sinewave modulation and demodulation techniques |
Dec. 18, 2007 |
| 7310385 |
Single and multiple sinewave modulation and demodulation techniques, apparatus, and communications systems |
Dec. 18, 2007 |
| 7298796 |
Coaxial cable communications systems and methods employing single and multiple sinewave modulation and demodulation techniques |
Nov. 20, 2007 |
| 7298795 |
Wire communications systems and methods employing single and multiple sinewave modulation and demodulation techniques |
Nov. 20, 2007 |
| 7289005 |
Polar modulator and a method for modulation of a signal |
Oct. 30, 2007 |
| 7277681 |
Interrogator of moving body identification device |
Oct. 2, 2007 |
| 7269232 |
Device for producing a phase and amplitude modulated radio frequency signal |
Sep. 11, 2007 |
| 7260368 |
Linear amplification with non-linear components (LINC) modulator and method for generating out-phased signals for a LINC transmitter |
Aug. 21, 2007 |
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