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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Orth; Kelly M.
Address:
Apple Valley, MN
No. of patents:
27
Patents:












Patent Number Title Of Patent Date Issued
8160535 RF adapter for field device April 17, 2012
An adapter for coupling to a process control transmitter of the type used to monitor a process variable in an industrial process is provided. The adapter includes I/O circuitry configured to couple to a two wire process control loop and to the process control transmitter and communicate
8103316 Power management system for a field device on a wireless network January 24, 2012
A field device includes a power control module, a network interface module that communicates over a wireless network, and a device interface module for operating transducers, such as a sensor or an actuator. The power control module controls distribution of electrical power so that t
8000841 Power management in a process transmitter August 16, 2011
An industrial process transmitter for transmitting a process variable on a two-wire process control loop include, a loop current control to control a loop current level on the two-wire process control loop that is related to the process variable. Power is provided to primary circuitry
7986968 Control of field device on low power wireless networks July 26, 2011
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 m
7986657 Selective activation of field devices in low power wireless mesh networks July 26, 2011
A control system uses a wireless network to provided communication between a host computer and field devices. The field devices are normally maintained in a lower power or sleep state. Only field devices that will be involved in a communication with the host computer are turned On and
7983211 Control system with wireless messages containing message sequence information July 19, 2011
A control system uses a wireless mesh network to provide communication between a host computer and field devices. The host and the field devices communicate with one another using wireless messages containing requests and responses that are routed through the wireless mesh network. The
7956738 Process field device with radio frequency communication June 7, 2011
A field device for use in an industrial process control or monitoring system includes terminals configured to connect to a two-wire process control loop. The loop carries data and provides power to the field device. RF circuitry in the field device is provided for radio frequency com
7944883 Wireless mesh networks May 17, 2011
A wireless network system includes overlapping wireless mesh networks. Nodes that are members of more than one mesh network are capable of communicating with the gateways of each of those mesh networks, which allows sharing information between interrelated control systems through the
7924774 Control system with predictive field device response time over a wireless network April 12, 2011
A host computer communicates with field devices by sending control messages and receiving response messages over a wireless network. When the host computer sends a control message to the wireless network, the host computer is provided with a predictive response time within which the
7903596 Control of low power wireless networks for power conservation March 8, 2011
A wireless mesh network routes messages between a host computer and a plurality of field devices. The mesh network is synchronized to a global regular active schedule that defines active periods when messages can be transmitted or received by nodes of the network, and inactive periods
7889710 Wireless mesh network with locally activated fast active scheduling of wireless messages February 15, 2011
A wireless mesh network is formed by nodes having a regular active schedule for transmitting and receiving messages, and a fast active schedule mode that is locally activated when a demand exists for transmission of a larger number of messages. As each node transmits a message to ano
7783330 Control system with wireless address domain to field device address domain translation August 24, 2010
A host computer communicates with field devices over a wireless network that includes a gateway and a plurality of wireless nodes. At least one of the field devices is associated with each wireless node, and each field device has a unique field device address. The host computer sends
7679033 Process field device temperature control March 16, 2010
A field device system for use in an industrial process includes a field device configured to couple to the industrial process and monitor or control the industrial process. The field device provides a temperature control signal output related to a temperature of the field device. A h
7550826 Field device incorporating circuit card assembly as environmental and EMI/RFI shield June 23, 2009
A field hardened industrial device is described with a housing of the device having electrically conductive walls surrounding a cavity with an open end. An electronics assembly is adapted to fit within the cavity. The device includes a circuit card assembly, which is a multi-layered
7525419 Transmitter with removable local operator interface April 28, 2009
A process variable transmitter for use with a removable operator interface has a non-volatile memory and a latching component. The non-volatile memory stores device settings. The latching component prohibits changes to transmitter settings if the removable operator interface is absent.
7262693 Process field device with radio frequency communication August 28, 2007
A field device for use in an industrial process control or monitoring system includes terminals configured to connect to a two-wire process control loop. The loop carries data and provides power to the field device. RF circuitry in the field device is provided for radio frequency com
7109883 Low power physical layer for a bus in an industrial transmitter September 19, 2006
A process variable transmitter connects a serial bus to an accessory load. A supply limiter circuit provides a first supply current limit and provides a stored energy output. A recessive driver circuit draws a drive current from the stored energy output and couples the drive current to
6907790 Gage pressure output from an absolute pressure measurement device June 21, 2005
A pressure measurement device comprising an absolute pressure sensor and a bus coupling serial communication and energization to an electrical connector in a field wiring compartment. An atmospheric pressure sensor module is connected to the bus at the electrical connector. The bus p
6510740 Thermal management in a pressure transmitter January 28, 2003
A pressure transmitter with a transmitter housing having an outer wall providing thermal resistance. The outer wall extends from an isothermal island at a first end to a heat sink island at a second end. The isothermal island includes a fluid inlet, and pressure and temperature senso
5825664 Field-mounted control unit October 20, 1998
A smart field-mounted control unit, for controlling a process, receives signals and sends a command output over a two-wire circuit which powers the control unit. An input section receives the signals, which can be instructions representative of commands or instruction sets, process v
5495769 Multivariable transmitter March 5, 1996
In this invention, a multivariable transmitter providing an output representative of mass flow has a dual microprocessor structure. The first microprocessor compensates digitized process variables and the second microprocessor computes the mass flow as well as arbitrating communicati
5485400 Field-mounted control unit January 16, 1996
A smart field-mounted control unit, for controlling a process, receives signals and sends a command output over a two-wire circuit which powers the control unit. An input section receives the signals, which can be instructions representative of commands or instruction sets, process v
5333114 Field mounted control unit July 26, 1994
A smart field-mounted control unit, for controlling a process, receives signals and sends a command output over a two-wire circuit which powers the control unit. An input section receives the signal, which can be instructions representative of commands or instructions sets, process v
5283716 Electrical component support structure February 1, 1994
A component support assembly releasably retains, electrically insulates and improves thermal transfer of a plurality of vertically stacked electrical components associated with the operation of a printed circuit card. Each of a plurality of integrally-molded component support structures
5278543 Transmitter with magnetic zero/span actuator January 11, 1994
A transmitter for use in a process control system has externally accessible actuators for permitting external adjustment of the zero and span (or full scale) settings of the transmitter. The transmitter has an explosion-proof housing which includes an interior chamber in which transmitte
4878012 Charge balanced feedback transmitter October 31, 1989
A charge balanced feedback type transmitter generates charge packets representative of a sensed parameter. Improved performance is achieved by the additiion of resistance connected between a charge packet generating reactance and an integrator to reduce the effects of noise caused by
4818994 Transmitter with internal serial bus April 4, 1989
An industrial process control transmitter has a modular construction, with a detector module and an output module electrically connected together by a serial bus. The output module includes a microcomputer, a modem for digital communication over the two-wire loop, analog output circuitry










 
 
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