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Class Information
Number: 327/119
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Frequency or repetition rate conversion or control > Frequency multiplication (e.g., harmonic generation, etc.)
Description: Subject matter wherein an input signal having a first frequency is transformed into an output signal having a second higher frequency, where the output frequency is a multiple of the input frequency.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7602386 |
Reference clock signal generation circuit, power supply circuit, driver circuit, and electro-optical device |
Oct. 13, 2009 |
| 7598782 |
Circuit for changing a frequency |
Oct. 6, 2009 |
| 7579884 |
Frequency doubler device |
Aug. 25, 2009 |
| 7577418 |
Sub-harmonic mixer and down converter with the same |
Aug. 18, 2009 |
| 7554369 |
Digital programmable frequency divider |
Jun. 30, 2009 |
| 7551742 |
Acoustic signal-processing apparatus and method |
Jun. 23, 2009 |
| 7529533 |
Configurable homodyne/heterodyne radio receiver and RFID reader employing same |
May. 5, 2009 |
| 7509104 |
Method and apparatus for tuning radio frequency |
Mar. 24, 2009 |
| 7509107 |
Method and apparatus for extending the lower frequency operation of a sampler based VNA |
Mar. 24, 2009 |
| 7495484 |
Programmable frequency multiplier |
Feb. 24, 2009 |
| 7495496 |
Method and circuit for producing spread spectrum and/or over clock signal |
Feb. 24, 2009 |
| 7486124 |
Current-controlled CMOS logic family |
Feb. 3, 2009 |
| 7466786 |
Rational number frequency multiplier circuit and method for generated rational number frequency |
Dec. 16, 2008 |
| 7459946 |
Circuit arrangement for generating a reference signal |
Dec. 2, 2008 |
| 7456666 |
Frequency-doubling delay locked loop |
Nov. 25, 2008 |
| 7447511 |
Method and device for equalizing mode selection |
Nov. 4, 2008 |
| 7436166 |
Direct digital synthesizer producing a signal representing an amplitude of a sine wave |
Oct. 14, 2008 |
| 7414443 |
Frequency multiplier |
Aug. 19, 2008 |
| 7394299 |
Digital clock frequency multiplier |
Jul. 1, 2008 |
| 7388412 |
Clock multipliers using filter bias of a phase-locked loop and methods of multiplying a clock |
Jun. 17, 2008 |
| 7373113 |
Frequency generation apparatus and method for data transmission |
May. 13, 2008 |
| 7340233 |
Integrated circuit and methods for third sub harmonic up conversion and down conversion of signals |
Mar. 4, 2008 |
| 7321751 |
Method and apparatus for improving dynamic range in a communication system |
Jan. 22, 2008 |
| 7295048 |
Method and apparatus for generating spread spectrum clock signals having harmonic emission suppressions |
Nov. 13, 2007 |
| 7271631 |
Clock multiplication circuit |
Sep. 18, 2007 |
| 7253842 |
Locking display pixel clock to input frame rate |
Aug. 7, 2007 |
| 7245164 |
Radio frequency doubler |
Jul. 17, 2007 |
| 7236058 |
Low frequency doubler |
Jun. 26, 2007 |
| 7218156 |
Supply tracking clock multiplier |
May. 15, 2007 |
| 7215169 |
Current-controlled CMOS logic family |
May. 8, 2007 |
| 7212045 |
Double frequency signal generator |
May. 1, 2007 |
| 7196560 |
Clock frequency multiplier and method for multiplying a clock frequency |
Mar. 27, 2007 |
| 7187917 |
Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer |
Mar. 6, 2007 |
| 7180340 |
Frequency multiplier capable of adjusting duty cycle of a clock and method used therein |
Feb. 20, 2007 |
| 7161394 |
Digital phase mixers with enhanced speed |
Jan. 9, 2007 |
| 7133484 |
High-frequency clock generator with low power consumption |
Nov. 7, 2006 |
| 7123063 |
Supply tracking clock multiplier |
Oct. 17, 2006 |
| 7091757 |
Frequency generator and communication system |
Aug. 15, 2006 |
| 7078940 |
Current comb generator |
Jul. 18, 2006 |
| 7061285 |
Clock doubler |
Jun. 13, 2006 |
| 7039383 |
Quadrature mixer circuit including three-input local mixers |
May. 2, 2006 |
| 7038516 |
Current-controlled CMOS logic family |
May. 2, 2006 |
| 7031372 |
Multiple user reconfigurable CDMA processor |
Apr. 18, 2006 |
| 6999747 |
Passive harmonic switch mixer |
Feb. 14, 2006 |
| 6982583 |
Current-controlled CMOS circuit using higher voltage supply in low voltage CMOS process |
Jan. 3, 2006 |
| 6980036 |
Semiconductor device comprising frequency multiplier of external clock and output buffer of test data and semiconductor test method |
Dec. 27, 2005 |
| 6977536 |
Clock multiplier |
Dec. 20, 2005 |
| 6937073 |
Frequency multiplier with phase comparator |
Aug. 30, 2005 |
| 6937082 |
Information processing apparatus with clock generating circuit and information processing apparatus with clock delaying circuit |
Aug. 30, 2005 |
| 6927639 |
Method and apparatus for generating high frequency signals by a plurality of low frequency signals with multiple phases |
Aug. 9, 2005 |
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