Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 332/170
Name: Modulators > Amplitude modulator > Single or vestigial sideband type
Description: Subject matter in which the final output contains less than two complete sidebands with or without the carrier.










Sub-classes under this class:

Class Number Class Name Patents
332/171 Including electron discharge device 0


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8344818 Single side band (SSB) mixer Jan. 1, 2013
8242857 Single side band mixer and local oscillator having the same Aug. 14, 2012
7826549 Wireless communication transmitter and system having the same Nov. 2, 2010
7738616 Phase tracking system Jun. 15, 2010
7728691 Modulator for radio-frequency signals Jun. 1, 2010
7570127 Method and system for spur suppression in modulators Aug. 4, 2009
7016659 Amplitude modulation with time- and spectrum-shared sidebands Mar. 21, 2006
6850575 Single side band modulator Feb. 1, 2005
6731757 Multichannel digital signal generation method and apparatus May. 4, 2004
6720839 System of and method for reducing or eliminating the unwanted sideband in a signal derived from the output of a quadrature modulator Apr. 13, 2004
6647074 Removal of clock related artifacts from an offset QAM generated VSB signal Nov. 11, 2003
6618096 System and method for adaptively balancing quadrature modulators for vestigial-sideband generation Sep. 9, 2003
6606010 Quadrature vestigial sideband digital communications method Aug. 12, 2003
6567394 Non-contact IC card and system for performing data communication May. 20, 2003
6531935 Vector modulator Mar. 11, 2003
6532270 Apparatus and method for broadcast band noise reduction in a transmitter with a low IF frequency Mar. 11, 2003
6522213 SSB transmitter Feb. 18, 2003
6496545 Single side-band mixer Dec. 17, 2002
6351500 AM- compatible digital broadcasting method and system Feb. 26, 2002
6148320 Multichannel digital signal generation method and apparatus Nov. 14, 2000
6091303 Method and apparatus for reducing oscillator noise by noise-feedforward Jul. 18, 2000
6005894 AM-compatible digital broadcasting method and system Dec. 21, 1999
5861781 Single sideband double quadrature modulator Jan. 19, 1999
5822685 Modulating reflector circuit Oct. 13, 1998
5815532 Method and apparatus for peak-to-average ratio control in an amplitude modulation paging transmitter Sep. 29, 1998
5801595 Device and method for digital vestigial sideband modulation Sep. 1, 1998
5764701 VSB modulator Jun. 9, 1998
5745273 Device for single sideband modulation of an optical signal Apr. 28, 1998
5631610 Single side-band modulation system for use in digitally implemented multicarrier transmission systems May. 20, 1997
5506548 SSB modulator for adjusting the carrier amplitude level of a modulated SSB signal Apr. 9, 1996
5469127 Amplification apparatus and method including modulator component Nov. 21, 1995
5450044 Quadrature amplitude modulator including a digital amplitude modulator as a component thereof Sep. 12, 1995
5446423 Digital single sideband modulator and method Aug. 29, 1995
5436600 MRI multi-frequency DSB and SSB RF synthesizer Jul. 25, 1995
5416449 Modulator with harmonic mixers May. 16, 1995
5394118 Digital circuit for the extraction of the phase and envelope signals of a single sideband signal Feb. 28, 1995
5373265 Modulator having oscillator for generating IF and RF signals by division and up-conversion Dec. 13, 1994
5327462 Digital type VSB modulation apparatus Jul. 5, 1994
5243304 Vestigial sideband modulator for a baseband input signal Sep. 7, 1993
5222250 Single sideband radio signal processing system Jun. 22, 1993
5162763 Single sideband modulator for translating baseband signals to radio frequency in single stage Nov. 10, 1992
5159613 Side-band generator Oct. 27, 1992
5077542 Transmission system with suppressed carrier signal amplitude modulation preserving the polarity of the transmitted signal, and corresponding transmitter and receiver Dec. 31, 1991
5047705 Digital amplitude modulation apparatus Sep. 10, 1991
5020133 Phase/frequency modulator May. 28, 1991
4994769 SSB modulation and demodulation apparatus Feb. 19, 1991
4974236 Arrangement for generating an SSB signal Nov. 27, 1990
4890076 Reflection type SSB modulator Dec. 26, 1989
4835791 Single sideband signal generator May. 30, 1989
4801900 Image reject apparatus for signal synthesis applications Jan. 31, 1989

1 2










 
 
  Recently Added Patents
Floribunda rose plant named `KORamflusa`
System and method for providing radio communication in a land mobile radio system
Silicon-on-insulator (SOI) structure configured for reduced harmonics and method of forming the structure
Method for controlling a motor
System and method for identifying a target signal in an optical transport network frame structure
Liquid crystal display
(4948
  Randomly Featured Patents
Methods of treating fibromyalgia syndrome, chronic fatigue syndrome and pain
Pump assembly for hand fork-lift truck
Method and device for monitoring medication usage
Locking device for interlocking nested shopping carts
Casing for a model vehicle rudder machine
Method and apparatus for locking a valve
Thermally conductive and high strength injection moldable composition
Water closet
Radio station apparatus, radio resource control method, recording medium storing radio station control program, and radio communication system
Cyclohepta[b][1,4]diazepino[6,7,1,-hi]indoles and derivatives