07124425 is referenced by 154 patents and cites 117 patents.

A head mounted display in a video/audio system includes a display device, a head mount, noise reduction devices, and a speaker. The display device is coupled to the head mount and produces visual images based on received video signals. The head mount is mounted on the user's head and is coupled to the noise reduction devices, which cover the user's ears such that external noise is reduced. The noise reduction devices are coupled together via a strap that fits around the user head. The noise reduction devices are coupled to and house speakers that produce sound signals based on received audio signals. As a result, the user may see the video images produced by the display device and clearly hear the sounds produced by the speaker, and the external noise heard by the user is reduced.

Title
Audio/video system and method utilizing a head mounted apparatus with noise attenuation
Application Number
9/386613
Publication Number
7124425 (B1)
Application Date
August 31, 1999
Publication Date
October 17, 2006
Inventor
Mark A Wood
Decatur
GA, US
Tazwell L Anderson Jr
Atlanta
GA, US
Agent
Dean D Small
Small Patent Law Group
Assignee
Immersion Entertainment L L C
GA, US
IPC
H04N 7/20
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