Touch pad for handheld device

  • US 7,348,967 B2
  • Filed: 03/21/2006
  • Issued: 03/25/2008
  • Est. Priority Date: 10/22/2001
  • Status: Active Grant
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First Claim
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1. A battery powered handheld music player, comprising:

  • a housing that supports various electrical components that provide computing operations for the music player;

    a memory device disposed inside the housing and configured to store a plurality of songs in a digital format;

    a display screen provided at a first portion of a front surface of the housing, and configured to present a list of songs from the plurality of stored songs and to present a visual indicator that is capable of linearly traversing through the list of songs in order to designate a specific song from the list of songs;

    a touch pad assembly provided at a second portion of the front surface of the housing, the touch pad assembly being configured to track the arcuate motion of a finger sliding thereon, the touch pad assembly including a planar touch surface that is dimensioned to allow sliding arcuate movement of a finger thereon;

    a controller disposed inside the housing and configured to acquire motion information from the touch pad assembly and to control various features of the music player based on motion information provided by the touch pad assembly, the features including at least linearly moving the visual indicator through the list of songs, the linear direction and speed of the movement of the visual indicator being based at least in part on the arcuate direction and speed of the finger sliding across the planar touch surface of the touch pad assembly;

    a button provided at the front surface of the housing, the button being configured to select the specific song designated by the visual indicator;

    an audio feedback device disposed inside the housing, and configured to provide audio feedback in conjunction with movement of the visual indicator as it traverses through the song list; and

    audio output components for outputting music associated with the selected specific song from the list of songs, the components including at least an amplifier and a headphone jack.

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