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Portable terminal for GMPCS

  • US 6,687,518 B1
  • Filed: 02/14/2000
  • Issued: 02/03/2004
  • Est. Priority Date: 02/13/1999
  • Status: Expired due to Fees
First Claim
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1. A portable terminal for providing global, mobile personal communication by satellite (GMPCS), comprising:

  • a main housing having an upper part;

    a sub-housing having an LCD for displaying a variety of information and a lens located next to the LCD for providing picture communication;

    a hinge means rotatably coupled to said sub-housing and said main housing for allowing the opening and closing of said sub-housing with respect to said main housing;

    for inputting data, a foldable keyboard comprising a first keyboard housing;

    a second keyboard housing; and

    a single keyboard hinge means configured for rotatable connecting said first keyboard housing and said second keyboard housing to each other and configured so that the keyboard is rotatable unfoldable by rotating either or both of said first keyboard housing and said second keyboard housing;

    a detachable means for attaching and detaching the keyboard to and from said upper part of the main housing, said detachable means comprising at least one circle-shaped projection element coupled to said main housing and at least one circle-shaped groove element corresponding to said projection element coupled to said keyboard to engage said keyboard onto said main housing;

    a data communication means equipped to respective said main housing and said keyboard for interfacing wireless data communication between said main housing and said keyboard;

    an antenna housing having a satellite communication antenna and a battery cell for supplying electrical power to said main housing;

    a first connection means for electrically connecting said main housing and said satellite communication antenna to each other;

    a second connection means for electrically connecting said main housing and said battery cell to each other; and

    a guide means for slidably mounting said antenna housing onto said main housing.

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