Patents by Inventor Jeffrey Allan Hammerstrom

Jeffrey Allan Hammerstrom 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).

  • Dynamic power management in a portable media delivery system
    Patent number: 8615089
    Abstract: A consumer electronic product (e.g., a portable media player ported to a media delivery accessory) is powered by a limited capacity DC power source (such as a battery or mini-fuel cell). The consumer electronic product limits the maximum allowable sound pressure level (SPL) that can be produced by the speakers. In one embodiment, the maximum allowable SPL is based upon an amount of stored energy available in the limited capacity DC power source.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: December 24, 2013
    Assignee: Apple Inc.
    Inventors: Jesse L. Dorogusker, Donald J. Novotney, Scott Krueger, Robert Michelet, Jeffrey Allan Hammerstrom
  • Portable media delivery system
    Patent number: 8477953
    Abstract: An improved media delivery apparatus is disclosed. The media delivery apparatus can, for example, be a portable speaker system. In one embodiment, the media delivery apparatus is used with a portable media player. According to one aspect, audio output characteristics of a media delivery apparatus can be controlled based on whether a removable component is attached or detached. Another aspect pertains to improved techniques to attach a removable component to a media delivery apparatus. According to still another aspect a portion of a housing of an electrical device, such as a media delivery apparatus, can be utilized as part of a connector or plug.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: July 2, 2013
    Assignee: Apple Inc.
    Inventors: Phil Hobson, Donald J. Novotney, Ida Yum Yum Lo, Jesse L. Dorogusker, Richard P. Howarth, Jeffrey Allan Hammerstrom, Victor M. Tiscareno, Scott Krueger, Jeffrey J. Terlizzi, John Benjamin Filson, Wey-Jiun Lin, Jose Natividad Martinez, Eric B. Greene
  • DYNAMIC POWER MANAGEMENT IN A PORTABLE MEDIA DELIVERY SYSTEM
    Publication number: 20110085672
    Abstract: A consumer electronic product (e.g., a portable media player ported to a media delivery accessory) is powered by a limited capacity DC power source (such as a battery or mini-fuel cell). The consumer electronic product limits the maximum allowable sound pressure level (SPL) that can be produced by the speakers. In one embodiment, the maximum allowable SPL is based upon an amount of stored energy available in the limited capacity DC power source.
    Type: Application
    Filed: November 11, 2010
    Publication date: April 14, 2011
    Inventors: Jesse L. Dorogusker, Donald J. Novotney, Scott Krueger, Robert Michelet, Jeffrey Allan Hammerstrom
  • Dynamic power management in a portable media delivery system
    Patent number: 7848527
    Abstract: A consumer electronic product (e.g., a portable media player ported to a media delivery accessory) is powered by a limited capacity DC power source (such as a battery or mini-fuel cell). The consumer electronic product limits the maximum allowable sound pressure level (SPL) that can be produced by the speakers. In one embodiment, the maximum allowable SPL is based upon an amount of stored energy available in the limited capacity DC power source.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: December 7, 2010
    Assignee: Apple Inc.
    Inventors: Jesse L. Dorogusker, Donald J. Novotney, Scott Krueger, Robert Michelet, Jeffrey Allan Hammerstrom