1
Gregory Brown, George Hausler, Philip Ostby, Robert Karschnia, Richard Nelson, Mark Fandrey: Wireless power and communication unit for process field devices. Rosemount, Westman Champlin & Kelly P A, September 17, 2013: US08538560 (11 worldwide citation)

A wireless power and communication unit for field devices is configured to connect to a field device and provide operating power and wired digital communication between the unit and the field device. RF circuitry in the unit is configured for radio frequency communication. In one embodiment, power s ...


2
Patrick M Dobrowski, Eric R Lovegren, Kelly M Orth, Kyle L Stotz, Robert Karschnia: Control of field device on low power wireless networks. Fisher Rosemount Systems, Kinney & Lange P A, July 26, 2011: US07986968 (4 worldwide citation)

A control system uses a wireless network to provide communication between a host computer and field devices. The host and the field devices communicate with one another using control messages and response messages based upon a known control system protocol. The control and response messages are embe ...


3
Mark Nixon, Robert Karschnia, Eric Rotvold, Trevor Duncan Schleiss, Deji Chen: Location detection in a wireless network. Rosemount, Kinney & Lange P A, August 19, 2014: US08811199 (2 worldwide citation)

A first node sends a first message to a second node. The second node sends a second message to the first node. A first elapsed time is measured from the beginning of the transmission of the first message to the beginning of receipt of the second message. A second elapsed time is measured from the be ...


4
Patrick M Dobrowski, Eric R Lovegren, Kelly M Orth, Kyle L Stotz, Robert Karschnia: Control of field device on low power wireless networks. Fisher Rosemount Systems, Kinney & Lange Pa, July 12, 2007: US20070161367-A1

A control system uses a wireless network to provide communication between a host computer and field devices. The host and the field devices communicate with one another using control messages and response messages based upon a known control system protocol. The control and response messages are embe ...


5
Gregory Brown, George Hausler, Philip Ostby, Robert Karschnia, Richard Nelson, Mark Fandrey: Wireless power and communication unit for process field devices. Rosemount, Westman Champlin & Kelly Pa, November 3, 2005: US20050245291-A1

A wireless power and communication unit for field devices is configured to connect to a field device and provide operating power and wired digital communication between the unit and the field device. RF circuitry in the unit is configured for radio frequency communication. In one embodiment, power s ...


6
Mark Nixon, Robert Karschnia, Eric Rotvold, Trevor Duncan Schleiss, Deji Chen: Location detection in a wireless network. Rosemount, May 12, 2011: US20110110242-A1

A first node sends a first message to a second node. The second node sends a second message to the first node. A first elapsed time is measured from the beginning of the transmission of the first message to the beginning of receipt of the second message. A second elapsed time is measured from the be ...