Safety critical processor and processing method for a data processing system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5561767
SERIAL NO

08400630

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A system and method for operating application software in a safety critical environment have a data processor for effecting processing operations and an intermediate shell for interacting with an operating system and application software. A safety critical processor is receptive of a series of timing signals from the intermediate shell for determining that a time interval between two of the series of timing signals is greater than a predetermined value thereby constituting a potential safety critical failure and indicates a potential safety critical failure to the intermediate shell.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ABB AUTOMATION INC.RALEIGH, NC23
Base 10 Systems, Inc.TRENTON, NJ0

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adelson, Alexander M Peekskill, NY 19 1037
Eby, James A Pennington, NJ 2 28
Eisenberg, Alan J Monmouth Junction, NJ 12 466
Medeiros, Joel E Delran, NJ 3 116

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Kirsch Technologies, Inc. (1)
* 4839745 Computer memory back-up 20 1986
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (3)
* 4674038 Recovery of guest virtual machines after failure of a host real machine 94 1984
* 5130922 Multiprocessor cache memory system using temporary access states and method for operating such a memory 35 1989
* 5008805 Real time, fail safe process control system and method 83 1989
 
DIGITAL EQUIPMENT CORPORATION (1)
* 4787031 Computer with virtual machine mode and multiple protection rings 76 1985
 
LOGICON, INC. (1)
* 5175847 Computer system capable of program execution recovery 19 1990
 
Base 10 Systems, Inc. (1)
* 5339261 System for operating application software in a safety critical environment 18 1992
 
Mirowski; Mieczyslaw (1)
* 4726024 Fail safe architecture for a computer system 40 1986
 
UNISYS CORPORATION (2)
* 4695946 Maintenance subsystem for computer network including power control and remote diagnostic center 186 1984
* 4701845 User interface processor for computer network with maintenance and programmable interrupt capability 102 1984
 
BULL SAS (1)
* 5319645 Method for debugging and testing the correctness of programs 38 1991
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
* 7568128 Selective alteration of shell utility return code 0 2006
 
ROCKWELL AUTOMATION TECHNOLOGIES, INC. (2)
* 7328370 Safety controller with simplified interface 3 2003
* 2005/0091,410 Safety controller with simplified interface 3 2003
 
KARL STORZ ENDOSCOPY-AMERICA, INC. (5)
* 7485114 System and method for the central control of devices used during an operation 2 2003
* 2003/0171,740 System and method for the central control of devices used during an operation 6 2003
8439821 System and method for the central control of devices used during an operation 0 2009
* 2009/0143,644 System And Method For The Central Control Of Devices Used During An Operation 2 2009
9417614 System for the central control of devices used during an operation 0 2013
 
BOSTON SCIENTIFIC SCIMED, INC. (1)
* 2009/0276,515 MULTI-MODALITY NETWORK FOR IMPROVED WORKFLOW 10 2009
 
JATO TECHNOLOGIES, INC. (1)
* 6065073 Auto-polling unit for interrupt generation in a network interface device 80 1998
 
PILZ GMBH & CO. KG (1)
* 6532508 Control system for controlling safety-critical processes 25 2001
 
PHOENIX CONTACT GMBH & CO. KG (4)
* 7802150 Ensuring maximum reaction times in complex or distributed safe and/or nonsafe systems 0 2004
* 2004/0243,728 Ensuring maximum reaction times in complex or distributed safe and/or nonsafe systems 2 2004
* 8549136 System for operating at least one non-safety-critical and at least one safety-critical process 0 2008
* 2009/0125,578 System for operating at least one non-safety-critical and at least one safety-critical process 0 2008
* Cited By Examiner