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Class Information
Number: 332/112
Name: Modulators > Pulse or interrupted continuous wave modulator > Pulse position, frequency, phase, or spacing modulator
Description: Subject matter producing a pulse wave output signal in which the relative positions of the pulses, the frequency (repetition rate) of the pulses, the phase of the pulses, or the spacing (time) between the pulses is varied by the modulating signal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7586293 |
Digital modulation circuit |
Sep. 8, 2009 |
| 7561624 |
Multi-interval line coding for high speed data communication |
Jul. 14, 2009 |
| 7539257 |
Continuous phase modulation system and method with added phase pulse |
May. 26, 2009 |
| 7446621 |
Circuit and method for switching PFM and PWM |
Nov. 4, 2008 |
| 7295082 |
Pulse frequency modulation oscillating circuit for a DC/DC converter |
Nov. 13, 2007 |
| 7283011 |
Method for performing dual phase pulse modulation |
Oct. 16, 2007 |
| 7283012 |
Tri-state pulse density modulator |
Oct. 16, 2007 |
| 7268638 |
Apparatus and method for data rate multiplication |
Sep. 11, 2007 |
| 7242262 |
Pulse polarity modulation circuit |
Jul. 10, 2007 |
| 7164722 |
Radio communications system, transmitter, receiver, radio transmission method, radio reception method and computer program therefor |
Jan. 16, 2007 |
| 7157867 |
Operating method, electronic ballast and system for resonant operation of high pressure lamps in the longitudinal mode |
Jan. 2, 2007 |
| 7119630 |
Frequency synthesizer having a more versatile and efficient fractional-N control circuit and method using vector values |
Oct. 10, 2006 |
| 7109816 |
Dual port modulator comprising a frequency synthesiser |
Sep. 19, 2006 |
| 7082153 |
Variable spacing pulse position modulation for ultra-wideband communication links |
Jul. 25, 2006 |
| 7075382 |
Method and apparatus for modulating a pulse signal with a bit stream |
Jul. 11, 2006 |
| 7002425 |
Pulse modulation |
Feb. 21, 2006 |
| 6968002 |
Method and apparatus for time aligning data modulators using frequency domain analysis of detected output |
Nov. 22, 2005 |
| 6940892 |
Spread spectrum transmission apparatus, spread spectrum reception apparatus, and spread spectrum communication system |
Sep. 6, 2005 |
| 6911874 |
Ultra-wideband impulse generation and modulation circuit |
Jun. 28, 2005 |
| 6909337 |
Noncoherent pulse position and phase shift keying transmission/reception system and a transmission/reception signal processing method therefor |
Jun. 21, 2005 |
| 6903619 |
Electromagnetic wave transmitter systems, methods and articles of manufacture |
Jun. 7, 2005 |
| 6888887 |
Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter |
May. 3, 2005 |
| 6788219 |
Structure and method for pulse telemetry |
Sep. 7, 2004 |
| 6639482 |
Method for regulating the working point of a modulator and associated drive unit |
Oct. 28, 2003 |
| 6563393 |
Method and device for pulse density modulation |
May. 13, 2003 |
| 6552624 |
Method for controlling the operating range of a modulator, and an associated drive unit |
Apr. 22, 2003 |
| 6445737 |
Digital modulation device in a system and method of using the same |
Sep. 3, 2002 |
| 6359525 |
Modulation technique for transmitting multiple high data rate signals through a band limited channel |
Mar. 19, 2002 |
| 6317457 |
Pulse density modulator |
Nov. 13, 2001 |
| 6310906 |
Chaotic carrier pulse position modulation communication system and method |
Oct. 30, 2001 |
| 6295318 |
Method and system for increasing the data rate over twisted copper pairs and other bandwidth-limited dedicated communications facilities |
Sep. 25, 2001 |
| 6242988 |
Spiking neuron circuit |
Jun. 5, 2001 |
| 6219380 |
Pulse position modulation based transceiver architecture with fast acquisition slot-locked-loop |
Apr. 17, 2001 |
| 6212230 |
Method and apparatus for pulse position modulation |
Apr. 3, 2001 |
| 6195429 |
Arrangement in a subscriber line interface circuit |
Feb. 27, 2001 |
| 6184916 |
Multiple-pulse, pulse width and position modulation systems and methods |
Feb. 6, 2001 |
| 6169765 |
Apparatus and method for output signal pulse width error correction in a communications receiver |
Jan. 2, 2001 |
| 6151149 |
Method and apparatus for pulse pattern modulation |
Nov. 21, 2000 |
| 6115411 |
System and method for spread spectrum code position modulation and wireless local area network employing the same |
Sep. 5, 2000 |
| 6108376 |
Reception and demodulation of widely spaced pulse position modulated signals |
Aug. 22, 2000 |
| 6041074 |
Spread spectrum pulse position modulation system |
Mar. 21, 2000 |
| 5963595 |
Method and apparatus for encoding and decoding a bit sequence for transmission over POTS wiring |
Oct. 5, 1999 |
| 5945941 |
Pulsed radar apparatus and method employing power distribution system having reduced cost and weight and enhanced efficiency and reliability |
Aug. 31, 1999 |
| 5923701 |
Spread spectrum pulse position modulation system |
Jul. 13, 1999 |
| 5870380 |
Method and apparatus for reception of signals from several transmitters wherein each transmitter is characterized by their output pulse train |
Feb. 9, 1999 |
| 5844942 |
Pulse position modulation communications protocol |
Dec. 1, 1998 |
| 5838210 |
Method and apparatus for generating a modulated signal |
Nov. 17, 1998 |
| 5793709 |
Free loop interval timer and modulator |
Aug. 11, 1998 |
| 5764697 |
Transmitter for a radio control device |
Jun. 9, 1998 |
| 5684871 |
Method and apparatus for multi-mode infrared data transmission |
Nov. 4, 1997 |
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