08432489 is referenced by 20 patents and cites 647 patents.

A handheld electronic device for use at a venue hosting a live sporting event, having a receiver for receiving a wireless RF transmission conveying a plurality of video streams derived from video cameras filming the live sporting event, a display and a user interface for selecting a video stream among the plurality of video streams to be displayed on the display. The handheld electronic device is capable to acquire a locked mode of operation and an unlocked mode of operation, in the locked mode of operation the handheld electronic device being precluded from displaying the video streams to a spectator, in the unlocked mode of operation the handheld electronic device being enabled to display the video streams to the spectator, the handheld electronic device capable to acquire the unlocked mode of operation in response to reception of authentication data wirelessly transmitted to the handheld electronic device.

Title
System and methods for enhancing the experience of spectators attending a live sporting event, with bookmark setting capability
Application Number
11/459259
Publication Number
8432489 (B2)
Application Date
July 21, 2006
Publication Date
April 30, 2013
Inventor
Jean Arseneau
Boisbriand
CA
Alain Charette
St-Jérome
CA
Marc Arseneau
Morin Heights
CA
Agent
Vierra Magen Marcus & DeNiro
Assignee
Kangaroo Media
CA
IPC
H04N 11/00
H04N 7/00
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