Assignee
STRATUS COMPUTER INC
US·34 granted patents·2,574 citations·filing 1981–1998
Top patents by PatentIndex Score
34 records- 0195US4453215ACentral processing apparatus for fault-tolerant computingSTRATUS COMPUTER INC·Filed 1981·Granted Jun 5, 1984·211 cites·21 claims
- 0293US4654857ADigital data processor with high reliabilitySTRATUS COMPUTER INC·Filed 1985·Granted Mar 31, 1987·206 cites·36 claims
- 0393US4486826AComputer peripheral control apparatusSTRATUS COMPUTER INC·Filed 1981·Granted Dec 4, 1984·132 cites·9 claims
- 0490US5781910APreforming concurrent transactions in a replicated database environmentSTRATUS COMPUTER INC·Filed 1996·Granted Jul 14, 1998·297 cites·42 claims
- 0589US5625681AMethod and apparatus for telephone number portabilitySTRATUS COMPUTER INC·Filed 1995·Granted Apr 29, 1997·156 cites·9 claims
- 0686US4597084AComputer memory apparatusSTRATUS COMPUTER INC·Filed 1985·Granted Jun 24, 1986·108 cites·17 claims
- 0784US6128196ACircuit board chassisSTRATUS COMPUTER INC·Filed 1998·Granted Oct 3, 2000·78 cites·19 claims
- 0884US5815649ADistributed fault tolerant digital data storage subsystem for fault tolerant computer systemSTRATUS COMPUTER INC·Filed 1995·Granted Sep 29, 1998·176 cites·43 claims
- 0984US4750177ADigital data processor apparatus with pipelined fault tolerant bus protocolSTRATUS COMPUTER INC·Filed 1986·Granted Jun 7, 1988·98 cites·35 claims
- 1080US5968185ATransparent fault tolerant computer systemSTRATUS COMPUTER INC·Filed 1998·Granted Oct 19, 1999·87 cites·4 claims
- 1180US5630056ADigital data processing methods and apparatus for fault detection and fault toleranceSTRATUS COMPUTER INC·Filed 1994·Granted May 13, 1997·88 cites·16 claims
- 1280US4816990AMethod and apparatus for fault-tolerant computer system having expandable processor sectionSTRATUS COMPUTER INC·Filed 1986·Granted Mar 28, 1989·64 cites·17 claims
- 1376US5802265ATransparent fault tolerant computer systemSTRATUS COMPUTER INC·Filed 1995·Granted Sep 1, 1998·75 cites·4 claims
- 1475US5390081AFault-tolerant power distribution system for rack-mounted hardwareSTRATUS COMPUTER INC·Filed 1993·Granted Feb 14, 1995·53 cites·19 claims
- 1574US4931922AMethod and apparatus for monitoring peripheral device communicationsSTRATUS COMPUTER INC·Filed 1987·Granted Jun 5, 1990·36 cites·20 claims
- 1672US5379381ASystem using separate transfer circuits for performing different transfer operations respectively and scanning I/O devices status upon absence of both operationsSTRATUS COMPUTER INC·Filed 1991·Granted Jan 3, 1995·64 cites·15 claims
- 1772US4974150AFault tolerant digital data processor with improved input/output controllerSTRATUS COMPUTER INC·Filed 1989·Granted Nov 27, 1990·33 cites·16 claims
- 1871US4866604ADigital data processing apparatus with pipelined memory cyclesSTRATUS COMPUTER INC·Filed 1988·Granted Sep 12, 1989·50 cites·12 claims
- 1970US5049701AEMI cabinet with improved interference suppressionSTRATUS COMPUTER INC·Filed 1989·Granted Sep 17, 1991·35 cites·17 claims
- 2068US4974144ADigital data processor with fault-tolerant peripheral interfaceSTRATUS COMPUTER INC·Filed 1989·Granted Nov 27, 1990·27 cites·19 claims
- 2166US5475860AInput/output control system and method for direct memory transfer according to location addresses provided by the source unit and destination addresses provided by the destination unitSTRATUS COMPUTER INC·Filed 1992·Granted Dec 12, 1995·56 cites·24 claims
- 2266US5020024AMethod and apparatus for detecting selected absence of digital logic synchronismSTRATUS COMPUTER INC·Filed 1987·Granted May 28, 1991·35 cites·10 claims
- 2364US5220668ADigital data processor with maintenance and diagnostic systemSTRATUS COMPUTER INC·Filed 1991·Granted Jun 15, 1993·65 cites·10 claims
- 2464US4926315ADigital data processor with fault tolerant peripheral bus communicationsSTRATUS COMPUTER INC·Filed 1987·Granted May 15, 1990·24 cites·15 claims
- 2562US5423024AFault tolerant processing section with dynamically reconfigurable votingSTRATUS COMPUTER INC·Filed 1992·Granted Jun 6, 1995·62 cites·13 claims
- 2661US5559459AClock signal generation arrangement including digital noise reduction circuit for reducing noise in a digital clocking signalSTRATUS COMPUTER INC·Filed 1994·Granted Sep 24, 1996·44 cites·11 claims
- 2761US4920540AFault-tolerant digital timing apparatus and methodSTRATUS COMPUTER INC·Filed 1987·Granted Apr 24, 1990·29 cites·2 claims
- 2860US5479648AMethod and apparatus for switching clock signals in a fault-tolerant computer systemSTRATUS COMPUTER INC·Filed 1994·Granted Dec 26, 1995·44 cites·18 claims
- 2960US4939643AFault tolerant digital data processor with improved bus protocolSTRATUS COMPUTER INC·Filed 1987·Granted Jul 3, 1990·20 cites·48 claims
- 3059US5838900ADigital data processing methods and apparatus for fault detection and fault toleranceSTRATUS COMPUTER INC·Filed 1996·Granted Nov 17, 1998·36 cites·4 claims
- 3152US5555372AFault-tolerant computer system employing an improved error-broadcast mechanismSTRATUS COMPUTER INC·Filed 1994·Granted Sep 10, 1996·27 cites·23 claims
- 3249US5694541ASystem console terminal for fault tolerant computer systemSTRATUS COMPUTER INC·Filed 1995·Granted Dec 2, 1997·28 cites·20 claims
- 3348US5367668AMethod and apparatus for fault-detectionSTRATUS COMPUTER INC·Filed 1993·Granted Nov 22, 1994·17 cites·13 claims
- 3440US5257383AProgrammable interrupt priority encoder method and apparatusSTRATUS COMPUTER INC·Filed 1991·Granted Oct 26, 1993·13 cites·8 claims
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