US Patent No: 5,561,767

Number of patents in Portfolio can not be more than 2000

Safety critical processor and processing method for a data processing system

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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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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ABB AUTOMATION INC.RALEIGH, NC53
BASE 10 SYSTEMS, INC.TRENTON, NJ6

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adelson, Alexander M Peckskill, NY 19 990
Eby, James A Pennington, NJ 2 24
Eisenberg, Alan J Monmouth Junction, NJ 12 400
Medeiros, Joel E Delran, NJ 3 102

Cited Art Landscape

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (3)
4,674,038 Recovery of guest virtual machines after failure of a host real machine 88 1984
5,130,922 Multiprocessor cache memory system using temporary access states and method for operating such a memory 31 1989
5,008,805 Real time, fail safe process control system and method 82 1989
 
UNISYS CORPORATION (2)
4,695,946 Maintenance subsystem for computer network including power control and remote diagnostic center 182 1984
4,701,845 User interface processor for computer network with maintenance and programmable interrupt capability 99 1984
 
Base 10 Systems, Inc. (1)
5,339,261 System for operating application software in a safety critical environment 17 1992
 
BULL SAS (1)
5,319,645 Method for debugging and testing the correctness of programs 38 1991
 
DIGITAL EQUIPMENT CORPORATION (1)
4,787,031 Computer with virtual machine mode and multiple protection rings 70 1985
 
Kirsch Technologies, Inc. (1)
4,839,745 Computer memory back-up 19 1986
 
LOGICON, INC. (1)
5,175,847 Computer system capable of program execution recovery 19 1990
 
Mirowski; Mieczyslaw (1)
4,726,024 Fail safe architecture for a computer system 38 1986

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
KARL STORZ ENDOSCOPY-AMERICA, INC. (2)
7,485,114 System and method for the central control of devices used during an operation 1 2003
8,439,821 System and method for the central control of devices used during an operation 0 2009
 
PHOENIX CONTACT GMBH & CO. KG (2)
7,802,150 Ensuring maximum reaction times in complex or distributed safe and/or nonsafe systems 0 2004
8,549,136 System for operating at least one non-safety-critical and at least one safety-critical process 0 2008
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
7,568,128 Selective alteration of shell utility return code 0 2006
 
JATO TECHNOLOGIES, INC. (1)
6,065,073 Auto-polling unit for interrupt generation in a network interface device 71 1998
 
PILZ GMBH & CO. KG (1)
6,532,508 Control system for controlling safety-critical processes 22 2001
 
ROCKWELL AUTOMATION TECHNOLOGIES, INC. (1)
7,328,370 Safety controller with simplified interface 2 2003