Patents by Inventor Keith Mortensen

Keith Mortensen 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).

  • Patent number: 9008168
    Abstract: A method of equalizing signals from a plurality of balanced transmission line cables having different lengths includes providing a first cable having a first length and a second cable having a second length, the first cable coupled to a variable resistor. A first signal is transmitted along the first cable to the variable resistor such that the first signal is attenuated to assume a first frequency domain characteristic. A second signal is transmitted along the second cable such that the second signal is attenuated to assume a second frequency domain characteristic. A voltage of the first signal is divided in the variable resistor such that the first signal assumes substantially the second frequency domain characteristic. The first signal having the second frequency domain characteristic is outputted.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: April 14, 2015
    Assignee: Magenta Research Limited
    Inventors: Chris Miller, Keith Mortensen
  • Publication number: 20140152897
    Abstract: A method of equalizing signals from a plurality of balanced transmission line cables having different lengths includes providing a first cable having a first length and a second cable having a second length, the first cable coupled to a variable resistor. A first signal is transmitted along the first cable to the variable resistor such that the first signal is attenuated to assume a first frequency domain characteristic. A second signal is transmitted along the second cable such that the second signal is attenuated to assume a second frequency domain characteristic. A voltage of the first signal is divided in the variable resistor such that the first signal assumes substantially the second frequency domain characteristic. The first signal having the second frequency domain characteristic is outputted.
    Type: Application
    Filed: November 21, 2013
    Publication date: June 5, 2014
    Applicant: Magenta Research
    Inventors: Chris Miller, Keith Mortensen
  • Publication number: 20120166477
    Abstract: The present invention provides convenient access to items of information that are related to various descriptors input by a user, by means of a unitary interface which is capable of accessing information in a variety of locations, through a number of different techniques. Using a plurality of heuristic algorithms to operate upon information descriptors input by the user, the present invention locates and displays candidate items of information for selection and/or retrieval. Thus, the advantages of a search engine can be exploited, while listing only relevant object candidate items of information.
    Type: Application
    Filed: November 23, 2011
    Publication date: June 28, 2012
    Applicant: APPLE INC.
    Inventors: Yan Arrouye, Keith Mortensen
  • Patent number: 8086604
    Abstract: The present invention provides convenient access to items of information that are related to various descriptors input by a user, by means of a unitary interface which is capable of accessing information in a variety of locations, through a number of different techniques. Using a plurality of heuristic algorithms to operate upon information descriptors input by the user, the present invention locates and displays candidate items of information for selection and/or retrieval. Thus, the advantages of a search engine can be exploited, while listing only relevant object candidate items of information.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: December 27, 2011
    Assignee: Apple Inc.
    Inventors: Yan Arrouye, Keith Mortensen
  • Publication number: 20080186407
    Abstract: A method of equalizing signals from a plurality of balanced transmission line cables having different lengths includes providing a first cable having a first length and a second cable having a second length, the first cable coupled to a variable resistor. A first signal is transmitted along the first cable to the variable resistor such that the first signal is attenuated to assume a first frequency domain characteristic. A second signal is transmitted along the second cable such that the second signal is attenuated to assume a second frequency domain characteristic. A voltage of the first signal is divided in the variable resistor such that the first signal assumes substantially the second frequency domain characteristic. The first signal having the second frequency domain characteristic is outputted.
    Type: Application
    Filed: November 30, 2007
    Publication date: August 7, 2008
    Applicant: MAGENTA RESEARCH
    Inventors: Chris Miller, Keith Mortensen
  • Publication number: 20050108277
    Abstract: A database is used to store user interface state information. The database is accessed by a key having a service ID field, a caller ID field, and a caller context ID field. The caller context ID is used to identify the context in the application program from which the user interface is called. In this manner, the system can differentiate between calls from different portions of the application program which can have different user expectations of the desirable user interface state.
    Type: Application
    Filed: November 22, 2004
    Publication date: May 19, 2005
    Applicant: Apple Computer, Inc.
    Inventors: Yan Arrouye, Sean Findley, Keith Mortensen
  • Publication number: 20050080783
    Abstract: The present invention provides convenient access to items of information that are related to various descriptors input by a user, by means of a unitary interface which is capable of accessing information in a variety of locations, through a number of different techniques. Using a plurality of heuristic algorithms to operate upon information descriptors input by the user, the present invention locates and displays candidate items of information for selection and/or retrieval. Thus, the advantages of a search engine can be exploited, while listing only relevant object candidate items of information.
    Type: Application
    Filed: December 1, 2004
    Publication date: April 14, 2005
    Applicant: Apple Computer, Inc. One Infinite Loop
    Inventors: Yan Arrouye, Keith Mortensen
  • Patent number: 6847959
    Abstract: The present invention provides convenient access to items of information that are related to various descriptors input by a user, by means of a unitary interface which is capable of accessing information in a variety of locations, through a number of different techniques. Using a plurality of heuristic algorithms to operate upon information descriptors input by the user, the present invention locates and displays candidate items of information for selection and/or retrieval. Thus, the advantages of a search engine can be exploited, while listing only relevant object candidate items of information.
    Type: Grant
    Filed: January 5, 2000
    Date of Patent: January 25, 2005
    Assignee: Apple Computer, Inc.
    Inventors: Yan Arrouye, Keith Mortensen