Inventor
KARAM ROGER
US28 patents
⚠️ This page may combine multiple inventors who share the name “KARAM ROGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CISCO TECH INC
18 patentsUS8020043B2Sep 13, 2011
Field failure data collection
CISCO TECH INC67 citations98
US7973538B2Jul 5, 2011
Power over ethernet system having hazard detection circuitry to detect potentially hazardous cable conditions
CISCO TECH INC78 citations98
US7940787B2May 10, 2011
Low-power ethernet device
CISCO TECH INC83 citations98
US7613939B2Nov 3, 2009
Method and apparatus for changing power class for a powered device
CISCO TECH INC59 citations98
US7471014B2Dec 30, 2008
Method and apparatus distributing power to a load in a powered device
CISCO TECH INC237 citations96
US7593747B1Sep 22, 2009
Techniques for controlling delivery of power to a remotely powerable device based on temperature
CISCO TECH INC124 citations95
US7404250B2Jul 29, 2008
Method for fabricating a printed circuit board having a coaxial via
CISCO TECH INC35 citations91
US7474704B2Jan 6, 2009
Method and apparatus for current sharing ethernet power across four conductor pairs
CISCO TECH INC23 citations86
US7693076B2Apr 6, 2010
Detection algorithm for delivering inline power down four pairs of an ethernet cable to a single powered device
CISCO TECH INC8 citations84
US7586840B2Sep 8, 2009
Method and apparatus for detecting and fixing faults in an inline-power capable ethernet system
CISCO TECH INC15 citations84
US8035038B2Oct 11, 2011
Method for fabricating a printed circuit board having a coaxial via
CISCO TECH INC13 citations82
US7490251B2Feb 10, 2009
Method and apparatus for current sharing ethernet power across four conductor pairs using a midspan device
CISCO TECH INC9 citations81
US7447307B2Nov 4, 2008
Unpowered twisted pair loopback circuit for differential mode signaling
CISCO TECH INC10 citations81
US8009577B2Aug 30, 2011
Automatic data rate and power adjustment on communications uplink based on communications activity on communications downlink
CISCO TECH INC10 citations78
US7293182B2Nov 6, 2007
Methods and apparatus for powering a data communications port
CISCO TECH INC5 citations74
US7599485B2Oct 6, 2009
Communications system employing single-pair identity circuit for remotely powered device
CISCO TECH INC4 citations63
US7752672B2Jul 6, 2010
Methods and apparatus for physical layer security of a network communications link
CISCO TECH INC6 citations60
US7743174B2Jun 22, 2010
Dual utilization of a physical port of an electronic device
CISCO TECH INC6 citations58
KARAM ROGER
6 patentsUS8184525B2May 22, 2012
Method and apparatus for detecting and fixing faults in an inline-power capable ethernet system
KARAM ROGER74 citations97
US8171315B2May 1, 2012
Method and apparatus for changing power class for a powered device
KARAM ROGER17 citations92
US8305906B2Nov 6, 2012
Detection algorithm for delivering inline power down four pairs of an Ethernet cable to a single powered device
KARAM ROGER10 citations84
US8886973B2Nov 11, 2014
System employing signaling at a powered communications interface to modify or override a power-withholding policy at a power-sourcing equipment
KARAM ROGER6 citations73
US8099611B2Jan 17, 2012
Powered communications interface with pre-operating mode using low voltages and currents for information signaling
KARAM ROGER6 citations73
US8234086B2Jul 31, 2012
Detection of multiple powered devices connected to an inline power delivery channel
KARAM ROGER3 citations62