Patents by Inventor Karen A. Bradley

Karen A. Bradley 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).

  • Publication number: 20190296067
    Abstract: A variable optical filter is disclosed including a bandpass filter and a blocking filter. The bandpass filter includes a stack of alternating first and second layers, and the blocking filter includes a stack of alternating third and fourth layers. The first, second and fourth materials each comprise different materials, so that a refractive index of the first material is smaller than a refractive index of the second material, which is smaller than a refractive index of the fourth material; while an absorption coefficient of the second material is smaller than an absorption coefficient of the fourth material. The materials can be selected to ensure high index contrast in the blocking filter and low optical losses in the bandpass filter. The first to fourth layers can be deposited directly on a photodetector array.
    Type: Application
    Filed: May 29, 2019
    Publication date: September 26, 2019
    Inventors: Karen Denise HENDRIX, Charles A. Hulse, Richard A. Bradley, Jeffrey James Kuna
  • Publication number: 20190196072
    Abstract: An optical filter having a passband at least partially overlapping with a wavelength range of 800 nm to 1100 nm is provided. The optical filter includes a filter stack formed of hydrogenated silicon layers and lower-refractive index layers stacked in alternation. The hydrogenated silicon layers each have a refractive index of greater than 3 over the wavelength range of 800 nm to 1100 nm and an extinction coefficient of less than 0.0005 over the wavelength range of 800 nm to 1100 nm.
    Type: Application
    Filed: March 1, 2019
    Publication date: June 27, 2019
    Inventors: Karen Denise HENDRIX, Richard A. BRADLEY, JR., Marius GRIGONIS, Georg J. OCKENFUSS
  • Patent number: 10312277
    Abstract: A variable optical filter is disclosed including a bandpass filter and a blocking filter. The bandpass filter includes a stack of alternating first and second layers, and the blocking filter includes a stack of alternating third and fourth layers. The first, second and fourth materials each comprise different materials, so that a refractive index of the first material is smaller than a refractive index of the second material, which is smaller than a refractive index of the fourth material; while an absorption coefficient of the second material is smaller than an absorption coefficient of the fourth material. The materials can be selected to ensure high index contrast in the blocking filter and low optical losses in the bandpass filter. The first to fourth layers can be deposited directly on a photodetector array.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: June 4, 2019
    Assignee: VIAVI Solutions Inc.
    Inventors: Karen Denise Hendrix, Charles A. Hulse, Richard A. Bradley, Jeffrey James Kuna
  • Patent number: 6957256
    Abstract: A method and apparatus for linking external information to a network management system are disclosed. A network management system is installed for and executes in association with a managed network. An external application program is identified by defining and storing in a connection file information that describes: the name and location of the program; a position in a menu control tree into which folders and items, which identify functions and options of the external application program, should be displayed and accessed; security roles associated with each folder and item; and other meta-information about the application program and its maker. The information may be stored in a markup format in a connection file. The network management system reads the connection file and integrates the information into its registry and other locations that determine how the network management system operates.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: October 18, 2005
    Assignee: Cisco Technology, Inc.
    Inventors: Karen A. Bradley, Brian D. Promes
  • Patent number: 6584507
    Abstract: A method and apparatus for linking external information to a network management system are disclosed. A network management system is installed for and executes in association with a managed network. An external application program is identified by defining and storing in a connection file information that describes: the name and location of the program; a position in a menu control tree into which folders and items, which identify functions and options of the external application program, should be displayed and accessed; security roles associated with each folder and item; and other meta-information about the application program and its maker. The information may be stored in a markup format in a connection file. The network management system reads the connection file and integrates the information into its registry and other locations that determine how the network management system operates.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: June 24, 2003
    Assignee: Cisco Technology, Inc.
    Inventors: Karen A. Bradley, Brian D. Promes