Inventor
BLACK WILLIAM C
US40 patents
⚠️ This page may combine multiple inventors who share the name “BLACK WILLIAM C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XILINX INC
24 patentsUS7376767B1May 20, 2008
Distributed buffering system having programmable interconnecting logic and applications thereof
XILINX INC25 citations93
US7133648B1Nov 7, 2006
Bidirectional multi-gigabit transceiver
XILINX INC40 citations92
US7047457B1May 16, 2006
Testing of a multi-gigabit transceiver
XILINX INC19 citations92
US6975132B2Dec 13, 2005
DAC based driver with selectable pre-emphasis signal levels
XILINX INC30 citations92
US6956442B2Oct 18, 2005
Ring oscillator with peaking stages
XILINX INC27 citations92
US6924693B1Aug 2, 2005
Current source self-biasing circuit and method
XILINX INC22 citations92
US6870390B1Mar 22, 2005
Tx line driver with common mode idle state and selectable slew rates
XILINX INC29 citations92
US6976102B1Dec 13, 2005
Integrated circuit with auto negotiation
XILINX INC26 citations91
US7188283B1Mar 6, 2007
Communication signal testing with a programmable logic device
XILINX INC21 citations90
US7885320B1Feb 8, 2011
MGT/FPGA clock management system
XILINX INC13 citations84
US7747793B1Jun 29, 2010
Method and apparatus for controlling a distributed buffering system having configurable circuitry
XILINX INC8 citations84
US7480347B2Jan 20, 2009
Analog front-end having built-in equalization and applications thereof
XILINX INC12 citations84
US7379517B1May 27, 2008
Method and apparatus for signaling characteristics of a transmitted signal
XILINX INC11 citations84
US7280590B1Oct 9, 2007
Receiver termination network and application thereof
XILINX INC17 citations84
US7493095B2Feb 17, 2009
PMA RX in coarse loop for high speed sampling
XILINX INC9 citations83
US7406118B2Jul 29, 2008
Programmable logic device including programmable multi-gigabit transceivers
XILINX INC15 citations82
US7546499B1Jun 9, 2009
Communication signal testing with a programmable logic device
XILINX INC9 citations78
US7830985B2Nov 9, 2010
Analog front-end having built-in equalization and applications thereof
XILINX INC5 citations74
US7535962B1May 19, 2009
Method and apparatus for signaling characteristics of a transmitted signal
XILINX INC5 citations74
US7227375B2Jun 5, 2007
DAC based driver with selectable pre-emphasis signal levels
XILINX INC6 citations74
US7196545B1Mar 27, 2007
High frequency latch
XILINX INC7 citations74
US7142014B1Nov 28, 2006
High frequency XOR with peaked load stage
XILINX INC10 citations74
US7224951B1May 29, 2007
PMA RX in coarse loop for high speed sampling
XILINX INC9 citations72
US7376205B1May 20, 2008
Device and method for compensation of transmission line distortion
XILINX INC5 citations63
BLACK WILLIAM C
7 patentsUS8989243B1Mar 24, 2015
Power line device with directional coupler
BLACK WILLIAM C8 citations83
US8116714B2Feb 14, 2012
Use of powerlines for transmission of high frequency signals
BLACK WILLIAM C5 citations73
US9391669B2Jul 12, 2016
Communication using multiple conductor cable
BLACK WILLIAM C2 citations62
US8489086B2Jul 16, 2013
Use of powerlines for transmission of high frequency signals
BLACK WILLIAM C2 citations62
US8483656B2Jul 9, 2013
Use of powerlines for transmission of high frequency signals
BLACK WILLIAM C2 citations62
US8488654B1Jul 16, 2013
Spread spectrum communications using complex chip sequences
BLACK WILLIAM C0 citations51
US8436658B1May 7, 2013
Method and apparatus for signaling characteristics of a transmitted signal
BLACK WILLIAM C0 citations51
UNIV IOWA STATE RES FOUND INC
4 patentsUS6542000B1Apr 1, 2003
Nonvolatile programmable logic devices
UNIV IOWA STATE RES FOUND INC204 citations98
US6317359B1Nov 13, 2001
Non-volatile magnetic circuit
UNIV IOWA STATE RES FOUND INC70 citations96
US6343032B1Jan 29, 2002
Non-volatile spin dependent tunnel junction circuit
UNIV IOWA STATE RES FOUND INC59 citations95
US6768356B1Jul 27, 2004
Apparatus for and method of implementing time-interleaved architecture
UNIV IOWA STATE RES FOUND INC21 citations92