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Class Information
Number: 375/334
Name: Pulse or digital communications > Receivers > Angle modulation > Frequency shift keying
Description: Subject matter where the carrier has been modulated by shifting its frequency in accordance with the pulses transmitted.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616606 |
Mechanism for avoiding triggering silent radio squelch circuits |
Nov. 10, 2009 |
| 7616710 |
Frequency offset estimating method and receiver employing the same |
Nov. 10, 2009 |
| 7567626 |
Radio receiver for the reception of data bursts which are modulated with two modulation types |
Jul. 28, 2009 |
| 7558339 |
Asynchronous ZCD demodulator/decoder |
Jul. 7, 2009 |
| 7508884 |
System and method for communicating data using constant amplitude equalized waveform |
Mar. 24, 2009 |
| 7508890 |
Apparatus and method for FSK demodulation with integrated time and frequency tracking |
Mar. 24, 2009 |
| 7492836 |
Wireless data communication demodulation device and demodulation method |
Feb. 17, 2009 |
| 7482862 |
Demodulation method and apparatus |
Jan. 27, 2009 |
| 7477679 |
Spread spectrum demodulator employing frequency detection |
Jan. 13, 2009 |
| 7474147 |
Frequency shift keying signal demodulator method and apparatus |
Jan. 6, 2009 |
| 7460618 |
System and method for obtaining accurate symbol rate and carrier phase, frequency, and timing acquisition for minimum shift keyed waveform |
Dec. 2, 2008 |
| 7439799 |
Frequency shift keying demodulator robust for frequency offset |
Oct. 21, 2008 |
| 7428274 |
Receiver of frequency-modulated signals with digital demodulator |
Sep. 23, 2008 |
| 7400904 |
Dual mode AM-FM receiver with I-Q decoding, such as for utility data collection |
Jul. 15, 2008 |
| 7397300 |
FSK demodulator system and method |
Jul. 8, 2008 |
| 7386065 |
Voltage controlled oscillator (VCO) suitable for use in frequency shift keying (FSK) system |
Jun. 10, 2008 |
| 7376207 |
Apparatus for receiving and recovering frequency shift keyed symbols |
May. 20, 2008 |
| 7369629 |
FSK signal demodulation circuit |
May. 6, 2008 |
| 7362827 |
System and method for the demodulation of IFF signals |
Apr. 22, 2008 |
| 7336731 |
Demodulator with phase-adjusting function |
Feb. 26, 2008 |
| 7298202 |
FSK demodulator |
Nov. 20, 2007 |
| 7298788 |
Wireless communication system and method |
Nov. 20, 2007 |
| 7286615 |
FSK signal detector |
Oct. 23, 2007 |
| 7286617 |
Methods and apparatus for synchronization of training sequences |
Oct. 23, 2007 |
| 7269233 |
Algorithm of bit synchronization for a digital FSK correlation receiver |
Sep. 11, 2007 |
| 7266163 |
FSK demodulator slicer with fast automatic DC offset compensation |
Sep. 4, 2007 |
| 7263137 |
Multivalued FSK modulation system |
Aug. 28, 2007 |
| 7239625 |
Low-cost noise-immune wireless methodology for demand control ventilation (DCV) Applications |
Jul. 3, 2007 |
| 7239675 |
GFSK receiver |
Jul. 3, 2007 |
| 7218688 |
Data slicer |
May. 15, 2007 |
| 7218695 |
Method and device for acquiring an estimated value dependent on the maximum of a single-frequency signal |
May. 15, 2007 |
| 7203254 |
Method and system for synchronizing in a frequency shift keying receiver |
Apr. 10, 2007 |
| 7197279 |
Multiprotocol RFID reader |
Mar. 27, 2007 |
| 7154956 |
OFDM receiver for detecting FSK modulated signals |
Dec. 26, 2006 |
| 7145967 |
Signal frequency splitter and frequency shift key decoding apparatus using the same |
Dec. 5, 2006 |
| 7110477 |
Gaussian frequency shift keying digital demodulator |
Sep. 19, 2006 |
| 7102498 |
Remote keyless entry system with two modes of demodulation |
Sep. 5, 2006 |
| 7088790 |
Circuit for detecting a center level of a FSK demodulated signal to correct same |
Aug. 8, 2006 |
| 7079600 |
FSK demodulator using DLL and a demodulating method |
Jul. 18, 2006 |
| 7068725 |
Bit detection threshold in a TDMA burst communication system |
Jun. 27, 2006 |
| 7068739 |
Method and system for providing a binary demodulator |
Jun. 27, 2006 |
| 7068740 |
Processing of modulated signals |
Jun. 27, 2006 |
| 7061998 |
Methods and apparatus for downconverting signals from intermediate frequency to baseband |
Jun. 13, 2006 |
| 7049884 |
Demodulation arrangement for a radio signal |
May. 23, 2006 |
| 7039132 |
Differential detection of GFSK signal using decision feedback and preamble for carrier, clock and frame synchronization |
May. 2, 2006 |
| 7035354 |
CDMA multi-user detection with a real symbol constellation |
Apr. 25, 2006 |
| 7035352 |
Apparatus and method for signal acquisition in a FSK demodulator with integrated time and frequency tracking |
Apr. 25, 2006 |
| 7026864 |
Non-coherent FSK demodulator |
Apr. 11, 2006 |
| 7010063 |
Receiver circuit and method of processing a received signal |
Mar. 7, 2006 |
| 6993097 |
Demodulation method and demodulator for CPFSK-modulated signals |
Jan. 31, 2006 |
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