Inventor · disambiguated record
Douglas D. Gephardt
Also filed as: GEPHARDT DOUGLAS · GEPHARDT DOUGLAS D
46 granted patents·1 pending application·2,129 citations·filing 1990–2011
99Inventor score
Files withADVANCED MICRO DEVICES INC36CHIENG DANIEL L5D2AUDIO CORP3ADVANCED MICRO SYSTEMS INC1CIRRUS LOGIC INC1
Top patents by PatentIndex Score
47 records- 0194US6055619ACircuits, system, and methods for processing multiple data streamsCIRRUS LOGIC INC·Filed 1997·Granted Apr 25, 2000·265 cites·30 claims
- 0291US5493684APower management architecture including a power management messaging bus for conveying an encoded activity signal for optimal flexibilityADVANCED MICRO DEVICES INC·Filed 1994·Granted Feb 20, 1996·160 cites·17 claims
- 0386US5894577AInterrupt controller with external in-service indication for power management within a computer systemADVANCED MICRO DEVICES INC·Filed 1993·Granted Apr 13, 1999·97 cites·18 claims
- 0486US5625829ADockable computer system capable of symmetric multi-processing operationsADVANCED MICRO DEVICES INC·Filed 1994·Granted Apr 29, 1997·117 cites·32 claims
- 0585US5781187AInterrupt transmission via specialized bus cycle within a symmetrical multiprocessing systemADVANCED MICRO DEVICES INC·Filed 1997·Granted Jul 14, 1998·118 cites·14 claims
- 0680US5901332ASystem for dynamically reconfiguring subbusses of data bus according to system needs based on monitoring each of the information channels that make up data busADVANCED MICRO DEVICES INC·Filed 1997·Granted May 4, 1999·95 cites·19 claims
- 0780US5721931AMultiprocessing system employing an adaptive interrupt mapping mechanism and methodADVANCED MICRO DEVICES INC·Filed 1995·Granted Feb 24, 1998·97 cites·20 claims
- 0878US7929718B1Systems and methods for switching and mixing signals in a multi-channel amplifierD2AUDIO CORP·Filed 2004·Granted Apr 19, 2011·23 cites·36 claims
- 0978US5530891ASystem management interrupt mechanism within a symmetrical multiprocessing systemADVANCED MICRO DEVICES INC·Filed 1994·Granted Jun 25, 1996·74 cites·4 claims
- 1077US5632020ASystem for docking a portable computer to a host computer without suspending processor operation by a docking agent driving the bus inactive during dockingADVANCED MICRO DEVICES INC·Filed 1994·Granted May 20, 1997·77 cites·24 claims
- 1177US5598537AApparatus and method for driving a bus to a docking safe state in a dockable computer system including a docking station and a portable computerADVANCED MICRO DEVICES INC·Filed 1994·Granted Jan 28, 1997·78 cites·20 claims
- 1277US5598539AApparatus and method for achieving hot docking capabilities for a dockable computer systemADVANCED MICRO DEVICES INC·Filed 1995·Granted Jan 28, 1997·88 cites·21 claims
- 1377US5555430AInterrupt control architecture for symmetrical multiprocessing systemADVANCED MICRO DEVICES INC·Filed 1994·Granted Sep 10, 1996·74 cites·17 claims
- 1475US5615207ASide bus to dynamically off load main busADVANCED MICRO DEVICES INC·Filed 1995·Granted Mar 25, 1997·86 cites·11 claims
- 1573US5668977ADockable computer system capable of electric and electromagnetic communicationADVANCED MICRO DEVICES INC·Filed 1996·Granted Sep 16, 1997·69 cites·23 claims
- 1670US7738613B1Streaming multi-channel audio as packetized data or parallel data with a separate input frame syncD2AUDIO CORP·Filed 2004·Granted Jun 15, 2010·13 cites·20 claims
- 1768US6219754B1Processor with decompressed video busADVANCED MICRO DEVICES INC·Filed 1997·Granted Apr 17, 2001·45 cites·29 claims
- 1864US5734843AReverse data channel as a bandwidth modulatorADVANCED MICRO DEVICES INC·Filed 1995·Granted Mar 31, 1998·44 cites·9 claims
- 1964US5623673ASystem management mode and in-circuit emulation memory mapping and locking methodADVANCED MICRO DEVICES INC·Filed 1994·Granted Apr 22, 1997·42 cites·11 claims
- 2064US5557757AHigh performance integrated processor architecture including a sub-bus control unit for generating signals to control a secondary, non-multiplexed external busADVANCED MICRO DEVICES INC·Filed 1994·Granted Sep 17, 1996·41 cites·17 claims
- 2163US5905898AApparatus and method for storing interrupt source information in an interrupt controller based upon interrupt priorityADVANCED MICRO DEVICES INC·Filed 1996·Granted May 18, 1999·42 cites·10 claims
- 2263US5765003AInterrupt controller optimized for power management in a computer system or subsystemADVANCED MICRO DEVICES INC·Filed 1996·Granted Jun 9, 1998·37 cites·20 claims
- 2362US8082438B2Systems and methods for booting a codec processor over a high definition audio busCHIENG DANIEL L·Filed 2008·Granted Dec 20, 2011·3 cites·17 claims
- 2462US5768584AROM chip enable encoding method and computer system employing the sameADVANCED MICRO SYSTEMS INC·Filed 1996·Granted Jun 16, 1998·45 cites·17 claims
- 2562US5561821ASystem for performing I/O access and memory access by driving address of DMA configuration registers and memory address stored therein respectively on local busADVANCED MICRO DEVICES INC·Filed 1993·Granted Oct 1, 1996·36 cites·20 claims
- 2661US5640573APower management message bus for integrated processorADVANCED MICRO DEVICES INC·Filed 1994·Granted Jun 17, 1997·34 cites·31 claims
- 2758US6499086B2Processor with decompressed video busADVANCED MICRO DEVICES INC·Filed 2001·Granted Dec 24, 2002·5 cites·26 claims
- 2858US6163848ASystem and method for re-starting a peripheral bus clock signal and requesting mastership of a peripheral busADVANCED MICRO DEVICES INC·Filed 1993·Granted Dec 19, 2000·34 cites·20 claims
- 2957US5630099ANon-volatile memory array controller capable of controlling memory banks having variable bit widthsADVANCED MICRO DEVICES INC·Filed 1993·Granted May 13, 1997·30 cites·20 claims
- 3055US8249730B2Systems and methods for shadowing an HDA codecCHIENG DANIEL L·Filed 2008·Granted Aug 21, 2012·1 cites·23 claims
- 3154US8224469B2Systems and methods for controlling audio volume in the processor of a high definition audio codecCHIENG DANIEL L·Filed 2008·Granted Jul 17, 2012·3 cites·26 claims
- 3254US5175820AApparatus for use with a computing device controlling communications with a plurality of peripheral devices including a feedback bus to indicate operational modesADVANCED MICRO DEVICES INC·Filed 1991·Granted Dec 29, 1992·26 cites·7 claims
- 3352US5778236AMultiprocessing interrupt controller on I/O busADVANCED MICRO DEVICES INC·Filed 1996·Granted Jul 7, 1998·26 cites·7 claims
- 3450US5655142AHigh performance derived local bus and computer system employing the sameADVANCED MICRO DEVICES INC·Filed 1996·Granted Aug 5, 1997·23 cites·18 claims
- 3549US8028101B2Systems and methods for controlling HDA system capabilitiesD2AUDIO CORP·Filed 2008·Granted Sep 27, 2011·0 cites·23 claims
- 3649US5754190ASystem for reproducing images utilizing image librariesADVANCED MICRO DEVICES INC·Filed 1995·Granted May 19, 1998·19 cites·14 claims
- 3748US8219226B2Systems and methods for overriding hardwired responses in an HDA codecCHIENG DANIEL L·Filed 2008·Granted Jul 10, 2012·0 cites·26 claims
- 3848US5561819AComputer system selecting byte lane for a peripheral device during I/O addressing technique of disabling non-participating peripherals by driving an address within a range on the local bus in a DMA controllerADVANCED MICRO DEVICES INC·Filed 1993·Granted Oct 1, 1996·19 cites·16 claims
- 3945US5862375ASystem for effecting communications between a computing device and a plurality of peripheral devicesADVANCED MICRO DEVICES INC·Filed 1996·Granted Jan 19, 1999·17 cites·20 claims
- 4045US2009063828A1Systems and Methods for Communication between a PC Application and the DSP in a HDA Audio CodecCHIENG DANIEL L·Filed 2008·Application pending·0 cites
- 4140US8214543B2Systems and methods for controlling HDA system capabilitiesTAYLOR WILSON E·Filed 2011·Granted Jul 3, 2012·0 cites·29 claims
- 4240US5218681AApparatus for controlling access to a data busADVANCED MICRO DEVICES INC·Filed 1990·Granted Jun 8, 1993·11 cites·6 claims
- 4333US5404457AApparatus for managing system interrupt operations in a computing systemADVANCED MICRO DEVICES INC·Filed 1992·Granted Apr 4, 1995·3 cites·22 claims
- 4432US5313597ASystem for controlling communications among a computer processing unit and a plurality of peripheral devicesADVANCED MICRO DEVICES INC·Filed 1993·Granted May 17, 1994·4 cites·6 claims
- 4530US5388218AApparatus and method for supporting a transfer trapping discipline for a non-enabled peripheral unit within a computing systemADVANCED MICRO DEVICES INC·Filed 1992·Granted Feb 7, 1995·1 cites·13 claims
- 4627US5060138AApparatus for use with a computing device for generating a substitute acknowledgement to an input when the computing device is in an operational hiatusADVANCED MICRO DEVICES INC·Filed 1990·Granted Oct 22, 1991·3 cites·5 claims
- 4726US5369777AIntegrated digital processing apparatus having a single biodirectional data bus for accommodating a plurality of peripheral devices connected to a plurality of external busesADVANCED MICRO DEVICES INC·Filed 1993·Granted Nov 29, 1994·4 cites·1 claims
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