1
Larson Brent H, Burns Harry A, Brown Larry K: Local device and process diagnostics in a process control network having distributed control functions. Fisher Controls Int, July 26, 2000: EP1022626-A2 (25 worldwide citation)

A field device for use in a process control network having a plurality of devices (12-32) communicatively coupled by a two-wire, all-digital communication bus includes a connector that connects the field device to the two-wire, all-digital bus (34) to enable all-digital communication over the bus, a ...


2
Hancock William R, Larson Brent H, Johnson Michael J: Graphics system.. Honeywell, May 15, 1991: EP0427147-A2 (5 worldwide citation)

An improved graphics system having a beamformer (23) operating on data coming from a modified image memory (21a) and graphics processor (20a) producing correctly anti-aliased data to be shown on raster displays (22) and in particular on color mosaic displays.


3
Brown Larry K, Larson Brent H, Burns Harry A: Function block apparatus for viewing data in a process control system. Fisher Controls Int, December 18, 2002: EP1267233-A1 (2 worldwide citation)

The present invention is directed to a method of and a device for monitoring, from a central location, the current operating conditions (such as values of process parameters) in a process control network having distributed control functions. In one embodiment, the method and. device of the present i ...


4
Larson Brent H, Burns Harry A, Brown Larry K: Local device and process diagnostics in a process control network having distributed control functions. Fisher Controls Int, July 21, 1999: EP0929850-A1 (1 worldwide citation)

A field device for use in a process control network having a plurality of devices communicatively coupled by a two-wire, all-digital communication bus includes a connector that connects the field device to the two-wire, all-digital bus to enable all-digital communication over the bus, a memory that ...


5
Larson Brent H, Burns Harry A, Brown Larry Keith: Method for detecting broken valve stem. Fisher Controls Int, January 14, 2004: EP1379803-A1 (1 worldwide citation)

A method for providing an indication and alarm of a possible failure in a fluid control valve stem, plug or seat in a process control system having a microprocessor based valve positioner. The drive pressure, drive signal and valve position feedback are monitored. If greater than a predetermined cha ...


6
Clerke Edward A, Rambow Frederick Hk, Larson Brent H, Mireles Jesus A: Detection de la lithologie, Method for lithology detection. Shell Canada, SMART & BIGGAR, March 7, 1989: CA1250944

A B S T R A C T A METHOD FOR LITHOLOGY DETECTION A method for detecting changes in the lithology of formationssurrounding a borehole by monitoring the automatic gain control(AGC) level of a borehole televiewer (BHTV). The AGC level ismonitored and a signal whose amplitude is representative of the AG ...


7
Johnson Michael J, Larson Brent H: Appareil et methode pour engendrer un halo autour dune image affichee lissee, Apparatus and method for generating an anti-aliased display image halo. Honeywell, Honeywell, SMART & BIGGAR, March 18, 1993: CA2114146

Apparatus and method are disclosed for providing a halo (background region) around selected image data in an anti-aliased image processing system. The anti-aliased image processing system applies a distribution function (601) to an image (impulse) point so that the impulse point contributes to the d ...


8
LARSON BRENT H, BURNS HARRY A, BROWN LARRY K: DIAGNOSTICS A DISTANCE DANS UN RESEAU DE COMMANDE DE PROCESSUS DOTE DE FONCTIONS DE COMMANDE REPARTIES, REMOTE DIAGNOSTICS IN A PROCESS CONTROL NETWORK HAVING DISTRIBUTED CONTROL FUNCTIONS. FISHER CONTROLS INTERNATIONAL, FISHER CONTROLS INTERNATIONAL, RIDOUT & MAYBEE, September 29, 2009: CA2305328

A diagnostic system is adapted to perform device and process diagnostics in a process control network having a plurality of process control devices communicatively linked over a bus, wherein each of the devices is capable of preforming a process control function and of communicating over the bus usi ...


9
Burns Harry A, Larson Brent H, Brown Larry K: Generateur schematique destine a etre utilise dans un reseau de commande de processus possedant des fonctions de commande distribuees, Schematic generator for use in a process control network having distributed control functions. Fisher Controls International, Fisher Controls International, RIDOUT & MAYBEE, May 14, 1999: CA2307591

A schematic generator for use in a process control network, in which control functions are implemented by field devices interconnected at various and distributed locations on a bus, polls each of the field devices to retrieve information pertaining to the identify of the device, the identity of the ...


10
Brown Larry K, Burns Harry A, Larson Brent H: Interface accessible entre reseau et systeme de commande de processus, A network accessible interface for a process control network. Fisher Controls International, Fisher Controls International, RIDOUT & MAYBEE, April 9, 1998: CA2267502

An interface between a remote communications network and a process control system includes a storage device, a communication software stack and a user software layer. The user software layer enables interfacing between the remote communications network and the process control system by directing the ...