Inventor
AWATA YUTAKA
JP30 patents
Patents
30 patentsUS5659609AAug 19, 1997
Echo canceller and waveform-distortion compensation device
FUJITSU LTD109 citations98
US5617450AApr 1, 1997
Digital subscriber loop interface unit
FUJITSU LTD135 citations98
US6289045B1Sep 11, 2001
Training method in a time domain equalizer and a digital data transmission apparatus including an improved training apparatus
FUJITSU LTD89 citations97
US5481564AJan 2, 1996
Received data adjusting device
FUJITSU LTD84 citations94
US5841809ANov 24, 1998
Access line termination unit
FUJITSU LTD45 citations92
US5638409AJun 10, 1997
Data receiving device for reproducing a received symbol from a received data signal
FUJITSU LTD49 citations92
US5375147ADec 20, 1994
Jitter compensating device
FUJITSU LTD53 citations92
US7423984B2Sep 9, 2008
Digital subscriber line transmission method, apparatus and system
FUJITSU LTD28 citations91
US7336627B1Feb 26, 2008
Digital subscriber line transmission method, apparatus and system
FUJITSU LTD23 citations91
US5367540ANov 22, 1994
Transversal filter for use in a digital subscriber line transmission interface
FUJITSU LTD102 citations91
US7167509B2Jan 23, 2007
Digital subscriber line communicating system and a transceiver in the system
FUJITSU LTD15 citations84
US6263015B1Jul 17, 2001
Analog/digital integrated subscriber circuit
FUJITSU LTD16 citations79
US5353305AOct 4, 1994
Initial training apparatus for use in a transmitter and receiver apparatus
FUJITSU LTD19 citations79
US7386037B2Jun 10, 2008
Digital subscriber line communicating system
FUJITSU LTD3 citations74
US7173984B2Feb 6, 2007
Digital subscriber line communicating system
FUJITSU LTD3 citations74
US7126995B2Oct 24, 2006
Digital subscriber line communicating system
FUJITSU LTD4 citations74
US7072386B1Jul 4, 2006
Digital subscriber line communicating system and a transceiver in the system
FUJITSU LTD9 citations74
US6965649B1Nov 15, 2005
Digital subscriber line communicating system
FUJITSU LTD7 citations74
US5471507ANov 28, 1995
Circuit for detecting object signal from input signal
FUJITSU LTD11 citations74
US5450452ASep 12, 1995
Digital loop filter and digital PLL circuit using the same
FUJITSU LTD18 citations74
US5399985AMar 21, 1995
Digital PLL circuit
FUJITSU LTD7 citations73
US4679188AJul 7, 1987
Digital transmission system
FUJITSU LTD12 citations73
US7088783B2Aug 8, 2006
Digital subscriber line communicating system determining signal-to-noise ratios
FUJITSU LTD1 citations63
US6944216B2Sep 13, 2005
Digital subscriber line communicating system
FUJITSU LTD1 citations63
US5291522AMar 1, 1994
Device and method for estimating sampled value of impulse response and signal reproduction system using the device
FUJITSU LTD2 citations62
US7286495B2Oct 23, 2007
Digital subscriber line transmission method, apparatus and system
FUJITSU LTD2 citations61
US7769122B2Aug 3, 2010
Timing recovery circuit
FUJITSU LTD1 citations52
US7555055B2Jun 30, 2009
Digital subscriber line communicating system
FUJITSU LTD0 citations52
US7295620B2Nov 13, 2007
Digital subscriber line communicating system
FUJITSU LTD0 citations52
US7649482B2Jan 19, 2010
Signal modulation method, signal modulation apparatus, electronic device, and computer program product
FUJITSU LTD0 citations51