Patents by Inventor Matthew A. Liberty
Matthew A. Liberty has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8635574Abstract: An improved method and system for performing extraction on an integrated circuit design is disclosed. Extraction may be performed at granularities much smaller than the entire IC design, in which a halo is used to identify a geometric volume surrounding an object of interest to identify neighboring objects and generate an electrical model. The extraction approach can be taken for Islands, Nets, as well as other granularities within the design. Re-extraction of a design can occur at granularities smaller than a net. Some approaches utilize Island-stitching to replace an island within a net. An approach is also described for improving cross-references for cross-coupled objects.Type: GrantFiled: January 7, 2011Date of Patent: January 21, 2014Assignee: Cadence Design Systems, Inc.Inventors: Eric Nequist, Richard Brashears, Matthew A. Liberty, Michael C. McSherry
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Patent number: 8386975Abstract: An improved method, system, user interface, and computer program product is described for using a memory and learning component to improve capacitance and resistance estimates based on the types of layouts and devices being evaluated. According to some approaches, a learning component is implemented that uses recommended test sets from the evaluation component to automatically test the extraction estimates against the field solver. Variability models from manufacturing or electrical analysis may also be used to select a series of objects (unique conductor geometries) that make up a conduction path or net or specific conductor geometries for evaluation and additional learning improvement.Type: GrantFiled: December 26, 2008Date of Patent: February 26, 2013Assignee: Cadence Design Systems, Inc.Inventors: David White, Matthew Liberty, Eric Nequist, Michael McSherry
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Patent number: 8375342Abstract: An improved method and system for performing extraction on an integrated circuit design is disclosed. Extraction may be performed at granularities much smaller than the entire IC design, in which a halo is used to identify a geometric volume surrounding an object of interest to identify neighboring objects and generate an electrical model. The extraction approach can be taken for Islands, Nets, as well as other granularities within the design. Re-extraction of a design can occur at granularities smaller than a net. Some approaches utilize Island-stitching to replace an island within a net. An approach is also described for improving cross-references for cross-coupled objects.Type: GrantFiled: January 7, 2011Date of Patent: February 12, 2013Assignee: Cadence Design Systems, Inc.Inventors: Eric Nequist, Richard Brashears, Matthew A. Liberty, Michael C. McSherry
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Patent number: 8316331Abstract: An improved method and system for stitching one or more islands of an integrated circuit design is disclosed. Multiple connected island objects in the IC design are first identified. At least one of the multiple identified connected island objects is then modified to form a modified island object. The modified island object may then be stitched into the multiple identified connected island objects. In some embodiments, stitching a modified island object may be implemented by tracking the endpoint(s), port(s), or node(s) of the connected island object being modified and stitched.Type: GrantFiled: January 7, 2011Date of Patent: November 20, 2012Assignee: Cadence Design Systems, Inc.Inventors: Eric Nequist, Richard Brashears, Matthew A. Liberty, Michael C. McSherry
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Patent number: 7870517Abstract: An improved method and system for performing extraction on an integrated circuit design is disclosed. Extraction can be performed at granularities much smaller than the entire IC design, in which a halo is used to identify a geometric volume surrounding an object of interest to identify neighboring objects and generate an electrical model. The extraction approach can be taken for Islands, Nets, as well as other granularities within the design. Re-extraction of a design can occur at granularities smaller than a net. Some approaches utilize Island-stitching to replace an island within a net. An approach is also described for improving cross-references for cross-coupled objects.Type: GrantFiled: April 27, 2007Date of Patent: January 11, 2011Assignee: Cadence Design Systems, Inc.Inventors: Eric Nequist, Richard Brashears, Matthew A. Liberty, Michael C. McSherry
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Publication number: 20090199139Abstract: An improved method, system, user interface, and computer program product is described for using a memory and learning component to improve capacitance and resistance estimates based on the types of layouts and devices being evaluated. According to some approaches, a learning component is implemented that uses recommended test sets from the evaluation component to automatically test the extraction estimates against the field solver. Variability models from manufacturing or electrical analysis may also be used to select a series of objects (unique conductor geometries) that make up a conduction path or net or specific conductor geometries for evaluation and additional learning improvement.Type: ApplicationFiled: December 26, 2008Publication date: August 6, 2009Inventors: David White, Matthew Liberty, Eric Nequist, Michael McSherry
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Publication number: 20070257885Abstract: Systems and methods according to the present invention describe 3D pointing devices which enhance usability by transforming sensed motion data from a first frame of reference (e.g., the body of the 3D pointing device) into a second frame of reference (e.g., a user's frame of reference). One exemplary embodiment of the present invention removes effects associated with a tilt orientation in which the 3D pointing device is held by a user.Type: ApplicationFiled: June 20, 2007Publication date: November 8, 2007Applicant: Hillcrest Laboratories, Inc.Inventor: Matthew Liberty
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Publication number: 20070252813Abstract: Systems and methods according to the present invention address these needs and others by providing a handheld device, e.g., a 3D pointing device, which uses at least one sensor to detect motion of the handheld device. The detected motion can then be mapped into a desired output, e.g., cursor movement.Type: ApplicationFiled: June 20, 2007Publication date: November 1, 2007Applicant: Hillcrest Laboratories, Inc.Inventors: Matthew Liberty, Daniel Simpkins, Charles Gritton, Mark Turner, Frank Hunleth
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Publication number: 20070247425Abstract: Systems and methods according to the present invention address these needs and others by providing a handheld device, e.g., a 3D pointing device, which uses hand tremor as an input. One or more sensors within the handheld device detect a user's hand tremor and identify the user based on the detected tremor.Type: ApplicationFiled: June 20, 2007Publication date: October 25, 2007Applicant: Hillcrest Laboratories, Inc.Inventors: Matthew Liberty, Christopher Roller, Daniel Simpkins, Charles Gritton
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Publication number: 20070124097Abstract: Systems and methods according to the present invention address these needs and others by providing a system for calibrating a sensor using a constant vector field.Type: ApplicationFiled: November 27, 2006Publication date: May 31, 2007Applicant: Hillcrest Laboratories, Inc.Inventors: Friedrich Geck, Matthew Liberty, Mark Turner
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Publication number: 20070091068Abstract: Systems and methods according to the present invention describe 3D pointing devices which enhance usability by transforming sensed motion data from a first frame of reference (e.g., the body of the 3D pointing device) into a second frame of reference (e.g., a user's frame of reference). One exemplary embodiment of the present invention removes effects associated with a tilt orientation in which the 3D pointing device is held by a user.Type: ApplicationFiled: December 18, 2006Publication date: April 26, 2007Applicant: Hillcrest Laboratories, Inc.Inventor: Matthew Liberty
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Publication number: 20060028446Abstract: Systems and methods according to the present invention describe free space pointing devices and methods which detect movement of the free space pointing device and remove unintentional movement from the output readings.Type: ApplicationFiled: May 2, 2005Publication date: February 9, 2006Applicant: Hillcrest Communications, Inc.Inventors: Matthew Liberty, Frank Hunleth
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Publication number: 20050253806Abstract: Systems and methods according to the present invention address these needs and others by providing a handheld device, e.g., a free space pointing device, which uses at least one sensor to detect motion of the handheld device. The detected motion can then be mapped into a desired output, e.g., cursor movement.Type: ApplicationFiled: May 2, 2005Publication date: November 17, 2005Applicant: Hillcrest Communications, Inc.Inventors: Matthew Liberty, Daniel Simpkins, Charles Gritton, Mark Turner, Frank Hunleth
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Publication number: 20050243062Abstract: Systems and methods according to the present invention describe free space pointing devices which enhance usability by transforming sensed motion data from a first frame of reference (e.g., the body of the free space pointing device) into a second frame of reference (e.g., a user's frame of reference). One exemplary embodiment of the present invention removes effects associated with a tilt orientation in which the free space pointing device is held by a user.Type: ApplicationFiled: May 2, 2005Publication date: November 3, 2005Applicant: Hillcrest Communications, Inc.Inventor: Matthew Liberty
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Publication number: 20050243061Abstract: Systems and methods according to the present invention address these needs and others by providing a handheld device, e.g., a free space pointing device, which uses hand tremor as an input. One or more sensors within the handheld device detect a user's hand tremor and identify the user based on the detected tremor.Type: ApplicationFiled: May 2, 2005Publication date: November 3, 2005Applicant: Hillcrest Communications, Inc.Inventors: Matthew Liberty, Christopher Roller, Daniel Simpkins, Charles Gritton
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Publication number: 20050240555Abstract: Disclosed is a Class V Interactive Electronic Technical Manual (IETM) that allows remote diagnostic engineers to interact directly with on-site maintenance technicians and a system under test. In addition, the disclosed IETM permits automatic synchronization of files on a maintenance technician's portable electronic display device. The disclosed IETM is also capable of dynamically displaying asset specific information and dynamically displaying technical information in multiple languages.Type: ApplicationFiled: December 23, 2004Publication date: October 27, 2005Applicant: Lockheed Martin CorporationInventors: Bruce Wilde, Matthew Liberty, Michael Blackwell, Richard Berbaum, Edward Bestle
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Publication number: 20050203891Abstract: An automated system and method to permit users to find and register available domain names in numerous different ccTLDs. The system provides real-time searching of large numbers of ccTLDs for each user so that during a single web session, the user can simply select the available ccTLDs from the resultant list, and purchase the desired ccTLDs online. The system also formats the user's information in the appropriate manner for each selected ccTLD and performs the necessary electronic transactions to register the ccTLDs.Type: ApplicationFiled: March 3, 2005Publication date: September 15, 2005Inventors: Larry Broadhurst, Jeffrey Johnson, Matthew Liberty, Matt Ho
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Publication number: 20050174324Abstract: Systems and methods according to the present invention address these needs and others by providing a free space pointing device and methods for free space pointing which provide accurate translation of movement of the free space pointing device into user interface commands, e.g., cursor movement. According to exemplary embodiments of the present invention, a free space pointing device includes a plurality of accelerometers.Type: ApplicationFiled: October 21, 2004Publication date: August 11, 2005Applicant: Hillcrest Communications, Inc.Inventors: Matthew Liberty, Daniel Simpkins