07927216 is referenced by 110 patents and cites 770 patents.

A home entertainment system for video games and other applications includes a main unit and handheld controllers. The handheld controllers sense their own orientation by detecting illumination emitted by emitters positioned at either side of a display. The controllers can be plugged into expansion units that customize the overall control interface for particular applications including but not limited to legacy video games.

Title
Video game system with wireless modular handheld controller
Application Number
11/532328
Publication Number
7927216 (B2)
Application Date
September 15, 2006
Publication Date
April 19, 2011
Inventor
Masahiro Urata
Kyoto
JP
Genyo Takeda
Kyoto
JP
Ryoji Kuroda
Kyoto
JP
Kuniaki Ito
Kyoto
JP
Akio Ikeda
Kyoto
JP
Agent
Nixon & Vanderhye P C
Assignee
Nintendo
JP
IPC
A63F 13/00
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