1
D Matthew Landry, Richard Webb: Circuit device including rotated stacked die. Silicon Laboratories, Polansky & Associates P L L C, R Michael Reed, December 21, 2010: US07855445 (25 worldwide citation)

In a particular embodiment, a circuit device includes a first die coupled to a circuit substrate and having a substantially planar surface. The first die includes electrical contacts distributed on the substantially planar surface adjacent to at least three edges of the first die. The circuit device ...


2
D Matthew Landry, Russell J Apfel: System and method of classification in power over ethernet systems. Silicon Laboratories, Cesari & Reed, R Michael Reed, September 4, 2012: US08261104 (10 worldwide citation)

A method is disclosed that includes receiving a classification voltage at a powered device from a network. The classification voltage includes a baseline voltage level that is below an operating voltage range of the powered device and includes a sequence of distinct signal elements derived from the ...


3
D Matthew Landry, Russell J Apfel: Powered device including a classification signature resistor. Silicon Laboratories, Westman Champlin & Kelly P A, R Michael Reed, April 7, 2009: US07516340 (9 worldwide citation)

A method is provided that includes receiving a classification voltage at a powered device from a powered network and providing a classification signature to the powered network in response to receiving the classification voltage to specify a power requirement of the powered device. The method furthe ...


4
D Matthew Landry, Russell J Apfel: Powered device including a detection signature resistor. Silicon Laboratories, Westman Champlin & Kelly P A, R Michael Reed, June 16, 2009: US07548799 (8 worldwide citation)

A method is provided that includes receiving a detection voltage at a powered device from a powered network, applying the detection voltage to an external resistor to provide a detection signature to the powered network, and applying a reference voltage to the external resistor to generate a referen ...


5
D Matthew Landry, Russell J Apfel: System and method of classification in power over ethernet systems. Silicon Laboratories, Polansky & Associates P L L C, R Michael Reed, September 7, 2010: US07793124 (7 worldwide citation)

A power sourcing equipment (PSE) device is disclosed that includes an interface adapted to communicate with a powered device via wire pairs of a cable, a power supply circuit adapted to provide power to the interface, and device detection logic to detect the powered device coupled to the interface. ...


6
D Matthew Landry, Phillip A Callahan: System and method of providing electrical isolation. Silicon Laboratories, Polansky & Associates P L L C, R Michael Reed, September 28, 2010: US07804859 (5 worldwide citation)

In a particular embodiment, a system includes an input/output (I/O) interface adapted to couple to a network cable to receive power and data and includes a physical transport layer (PHY) circuit including multiple channels coupled to the I/O interface. The PHY circuit is adapted to send data to and ...


7
Richard B Webb, D Matthew Landry: System and method of detection of power loss in powered ethernet devices. Silicon Laboratories, Westman Champlin & Kelly P A, R Michael Reed, March 31, 2009: US07511388 (5 worldwide citation)

A powered device includes a power supply input, a diode bridge, and a power loss detector. The power supply input is responsive to an external power source. The diode bridge has an input to receive at least one power supply input. The power loss detector includes an input responsive to the power sup ...


8
Alejandro Velez, D Matthew Landry: Powered device including a multi-use detection resistor. Silicon Laboratories, Polansky & Associations P L L C, R Michael Reed, July 12, 2011: US07979168 (3 worldwide citation)

In a particular embodiment, a method includes receiving a powered device (PD) detection signal at a PD from a powered network and applying the PD detection signal to an external resistor to provide a detection signature to the powered network. Further, the method includes receiving a PD classificati ...


9
D Matthew Landry, Russell J Apfel: System and method of classification in power over ethernet systems. Silicon Laboratories, Polansky & Associates, R Michael Reed, January 12, 2010: US07647510 (3 worldwide citation)

A method is disclosed that includes receiving a classification voltage at a powered device from a network. The classification voltage includes a baseline voltage level that is below an operating voltage range of the powered device and includes a sequence of distinct signal elements derived from the ...


10
John Gammel, Richard B Webb, D Matthew Landry: System and method of surge protection in a powered device. Silicon Laboratories, Polansky & Associates P L L C, Ronald Michael Reed, May 11, 2010: US07715165 (2 worldwide citation)

A powered device includes a first supply terminal, a second supply terminal, and at least one input pin coupled to the first supply terminal. The powered device further includes an external capacitor having a first terminal coupled to the first supply terminal, a switch coupled to the second supply ...