1
James A Katzman, Joel F Bartlett, Richard M Bixler, William H Davidow, John A Despotakis, Peter J Graziano, Michael D Green, David A Greig, Steven J Hayashi, David R Mackie, Dennis L McEvoy, James G Treybig, Steven W Wierenga: Multiprocessor system. Tandem Computers Incorporated, Donald C Feix, October 14, 1980: US04228496 (317 worldwide citation)

A multiprocessor system the kind in which two or more separate processor modules are interconnected for parallel processing includes two redundant interprocessor buses dedicated exclusively to interprocessor communication. Any processor module may send information to any other processor module by ei ...


2
Rooshabh Varaiya, David S Ng, Armando Pauker, Joerg U Ferchau: Fault tolerant modular subsystems for computers. Tandem Computers Incorporated, Townsend and Townsend, June 28, 1988: US04754397 (245 worldwide citation)

A fault tolerant computing facility is disclosed. The facility includes a housing array for containing a plurality of hardware element modules such as disk drives, a plurality of modularized power supplies and plural power distribution modules, each being connected to a separate source of primary fa ...


3
Douglas E Jewett, Phil Webster, Dave Aldridge, Peter C Norwood, Nikhil A Mehta: Fault-tolerant computer system with auto-restart after power-fall. Tandem Computers Incorporated, Graham & James, May 31, 1994: US05317752 (210 worldwide citation)

A fault-tolerant computer system employs a power supply system including a battery backup so that upon AC power failure the system can execute an orderly shutdown, saving state to disk. A restart procedure restores the state existing at the time of power failure if the AC power has been restored by ...


4
Donald S Maier, Roberta S Marton, James H Troisi, Pedro Celis: Relational database system and method with high data availability during table data restructuring. Tandem Computers Incorporated, Flehr Hohbach Test Albritton & Herbert, April 29, 1997: US05625815 (209 worldwide citation)

A database computer system includes memory, residing in a plurality of interconnected computer nodes, for storing database tables. Each database table has a plurality of columns, a primary key index based on a specified subset of the columns, and an associated table schema. At least a subset of the ...


5
Noel M Herbst: Facsimile transmissions system. Tandem Computers Incorporated, Townsend and Townsend, July 10, 1990: US04941170 (186 worldwide citation)

A facsimile transmission system is used to transmit documents over telephone lines using an electronic mail system, which may be a localized system or a distributed electronic mail system. Transmission is initiated by the sending facsimile machine transmitting a mark sense cover sheet, which has a m ...


6
Todd W Sprenkle, Srinivasa D Murthy, Anil Khatri: Direct bulk data transfers. Tandem Computers Incorporated, Townsend and Townsend and Crew, September 8, 1998: US05805920 (183 worldwide citation)

A data processing system for transferring data is provided. This system includes central processing units (CPUs 20, 22, 24 and 26) and storage units (30 and 32 with 100-105 and 110-115) which are interconnected by a network (10). The CPUs (20, 22, 24 and 26) include a request process (133) and a sto ...


7
Christopher R Sheedy, Stephanie L Kinoshita: Version management tool. Tandem Computers Incorporated, Townsend & Townsend, March 27, 1990: US04912637 (181 worldwide citation)

A system for preserving, generating, and merging different versions of a common module that utilizes a line file storing the text of every line in a version and addressing each line with a unique line identifier. Any desired version may be generated directly without creating intermediate versions. T ...


8
Richard W Cutts Jr, Nikhil A Mehta, Douglas E Jewett: Multiple processor system having shared memory with private-write capability. Tandem Computers Incorporated, Arnold White & Durkee, October 23, 1990: US04965717 (168 worldwide citation)

A computer system in a fault-tolerant configuration employs multiple identical CPUs executing the same instruction stream, with multiple, identical memory modules in the address space of the CPUs storing duplicates of the same data. Memory references. The multiple CPUs are loosely synchronized, as b ...


9
James C Allen, Wendy B Bartlett, Hoke S Johnson, Steven D Fisher, Richard O Larson, John C Peck: Multiprocessor multisystem communications network. Tandem Computers Incorporated, Townsend and Townsend, May 5, 1987: US04663706 (164 worldwide citation)

A plurality of multiprocessor systems is arranged in a high speed network to allow any processor in one system to communicate with any processor in another system. The network may be configured as a multi-node dual bidirectional ring having a multiprocessor system at each node. Packets of informatio ...


10
Douglas E Jewett, Tom Bereiter, Brian Vetter, Randall G Banton, Richard W Cutts Jr, Donald C Westbrook deceased, Kyran W Fey Jr, John Pozdro, Kenneth C Debacker, Nikhil A Mehta: Fault-tolerant computer system with online recovery and reintegration of redundant components. Tandem Computers Incorporated, Graham & James, March 15, 1994: US05295258 (156 worldwide citation)

A computer system in a fault-tolerant configuration employs multiple identical CPUs executing the same instruction stream, with multiple, identical memory modules in the address space of the CPUs storing duplicates of the same data. The system detects faults in the CPUs and memory modules, and place ...



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