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Patent Searching and Data


Title:
HEAD-MOUNTED DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2005181482
Kind Code:
A
Abstract:

To prevent a sound generated nearby an ear, as a front arm moves, from being heard as an ear-offensive sound for the user.

The head-mounted display device equipped with a rear arm 10 having headphone parts 15 and 16 mounted on the head, the front arm 20 supported movably on the rear arm 10, a video display part 30 which is provided to the front arm 20 and arranged in front of the eyes, and a support part driving system for moving the front arm 20 in a prescribed direction is provided with a noise canceler circuit 45 which generates a sound opposite in phase to the phase of a movement sound generated when the front arm 20 moves to reduce the movement sound.


Inventors:
KATO SHIGERU
MIYAKE NOBUYUKI
OTSUKI MASAKI
Application Number:
JP2003419130A
Publication Date:
July 07, 2005
Filing Date:
December 17, 2003
Export Citation:
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Assignee:
NIKON CORP
International Classes:
G02B27/02; G10K11/178; H04N5/64; (IPC1-7): G10K11/178; G02B27/02; H04N5/64
Attorney, Agent or Firm:
Osamu Kiuchi