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Class Information
Number: 329/313
Name: Demodulators > Pulse or interrupted continuous wave demodulator > Pulse position, frequency, phase or spacing demodulator
Description: Subject matter where the modulated signal input to the demodulator has undergone pulse position, frequency, phase or spacing modulation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7449945 |
Phase demodulator and portable telephone apparatus |
Nov. 11, 2008 |
| 7414463 |
Demodulator for demodulating pulse position modulated signal |
Aug. 19, 2008 |
| 7388911 |
In-band-on-channel broadcast system for digital data |
Jun. 17, 2008 |
| 7336736 |
Method of detecting and processing pulsed signals in a radio signal |
Feb. 26, 2008 |
| 7221215 |
Demodulator for demodulating pulse position modulated signal |
May. 22, 2007 |
| 6970496 |
RF modem and communications transceiver utilizing saw device and pulse shaping |
Nov. 29, 2005 |
| 6940892 |
Spread spectrum transmission apparatus, spread spectrum reception apparatus, and spread spectrum communication system |
Sep. 6, 2005 |
| 6903603 |
Phase detection circuit and receiver |
Jun. 7, 2005 |
| 6788219 |
Structure and method for pulse telemetry |
Sep. 7, 2004 |
| 6700931 |
Method, system and apparatus for initiating and maintaining synchronization of a pulse position modulation (PPM) decoder with a received PPM signal |
Mar. 2, 2004 |
| 6566941 |
Method and device of phase detection in phase modulation systems |
May. 20, 2003 |
| 6442200 |
Modulating circuit, demodulating circuit and modulating and demodulating circuit system, using PPM method |
Aug. 27, 2002 |
| 6426716 |
Modulated pulse doppler sensor |
Jul. 30, 2002 |
| 6359525 |
Modulation technique for transmitting multiple high data rate signals through a band limited channel |
Mar. 19, 2002 |
| 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 |
| 6292051 |
Architecture of non-synchronous open loop demodulation circuit in pulse position modulation |
Sep. 18, 2001 |
| 6252453 |
Device and method for signal resampling between phase related clocks |
Jun. 26, 2001 |
| 6219380 |
Pulse position modulation based transceiver architecture with fast acquisition slot-locked-loop |
Apr. 17, 2001 |
| 6205169 |
Spread spectrum pulse position modulation communication system |
Mar. 20, 2001 |
| 6169765 |
Apparatus and method for output signal pulse width error correction in a communications receiver |
Jan. 2, 2001 |
| 6108376 |
Reception and demodulation of widely spaced pulse position modulated signals |
Aug. 22, 2000 |
| 6081493 |
Apparatus for demodulating digital FM signal in an optical disc device |
Jun. 27, 2000 |
| 6066982 |
Phase locked loop apparatus for pulse signal demodulation |
May. 23, 2000 |
| 5977822 |
Method and apparatus of pulse position demodulation |
Nov. 2, 1999 |
| 5907528 |
Apparatus for demodulating a digital FM signal which normally has signal inversions at data bit boundaries |
May. 25, 1999 |
| 5844942 |
Pulse position modulation communications protocol |
Dec. 1, 1998 |
| 5790032 |
Method of and apparatus for detecting living bodies |
Aug. 4, 1998 |
| 5694435 |
Digital method of detecting pulses of short duration and arrangement for implementing the method |
Dec. 2, 1997 |
| 5691665 |
PPM demodulation device |
Nov. 25, 1997 |
| 5661754 |
Receiver arrangement |
Aug. 26, 1997 |
| 5633742 |
Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith |
May. 27, 1997 |
| 5446421 |
Local oscillator phase noise cancelling modulation technique |
Aug. 29, 1995 |
| 5313236 |
Demodulation processing circuit with time interval counting feature |
May. 17, 1994 |
| 5202644 |
Receiver apparatus |
Apr. 13, 1993 |
| 5185766 |
Apparatus and method for decoding biphase-coded data |
Feb. 9, 1993 |
| 5134632 |
Decoding binary-coded transmissions |
Jul. 28, 1992 |
| 5093844 |
Pulse-spacing decoder |
Mar. 3, 1992 |
| 5036289 |
Method and apparatus for synchronously demodulating detector output of a radiometer |
Jul. 30, 1991 |
| 5020080 |
Demodulation method and demodulator for digital signals with amplitudes of constant envelope, continuously modulated in phase and/or in frequency |
May. 28, 1991 |
| 4988951 |
Quadrature phase demodulator capable of operating under a wide input dynamic range |
Jan. 29, 1991 |
| 4964139 |
Multi-purpose circuit for decoding binary information |
Oct. 16, 1990 |
| 4918709 |
Data demodulator baud clock phase locking |
Apr. 17, 1990 |
| 4866738 |
Circuit and method for deriving the word timing of a pulse position modulated signal |
Sep. 12, 1989 |
| 4799025 |
Digital FM demodulator using digital quadrature filter |
Jan. 17, 1989 |
| 4789976 |
Temperature compensation circuit for a delay circuit utilized in an FM detector |
Dec. 6, 1988 |
| 4777450 |
Circuit for demodulating a frequency-modulated signal |
Oct. 11, 1988 |
| 4768207 |
Systems for receiving messages transmitted by pulse position modulation (PPM) |
Aug. 30, 1988 |
| 4737729 |
Method and circuit for the demodulation of time discrete, frequency modulated signals |
Apr. 12, 1988 |
| 4648133 |
Synchronization tracking in pulse position modulation receiver |
Mar. 3, 1987 |
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