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Portable information processing apparatus

  • US 6,501,429 B2
  • Filed: 06/14/2001
  • Issued: 12/31/2002
  • Est. Priority Date: 02/02/1998
  • Status: Expired due to Term
First Claim
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1. A portable information processing apparatus comprising:

  • a portable information terminal including a display surface on a front surface side thereof;

    an antenna unit to receive a signal transmitted from a GPS satellite; and

    an attaching/detaching mechanism to attach said antenna unit to or detach said antenna unit from said portable information terminal while maintaining a projection area from the front side of said display surface;

    wherein said antenna unit includes a rotating center axis (L) to switch between a folded state wherein said antenna unit has been folded closely against a rear surface of said portable information terminal and an unfolded state wherein said antenna unit has been turned and pulled out from the folded state toward an outer periphery side of said portable information terminal so that said antenna unit is inclined toward the rear surface side with respect to said display surface of said portable information terminal; and

    wherein said rotating center axis (L) has an axial direction substantially perpendicular to said display surface.

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