Head mounted display

• US 6,239,771 B1
• Filed: 11/16/1998
• Issued: 05/29/2001
• Est. Priority Date: 04/21/1994
• Status: Expired due to Fees

• Current Assignee: Kabushiki Kaisha Sega Enterprises
• Original Assignee: Kabushiki Kaisha Sega Enterprises
• Inventors: Ito, Futoshi, Matsuno, Masaki, Tosaki, Kenji, Usuki, Yoshinao
• Primary Examiner(s): Chow, Dennis-Doon
• Application Number:
  US09/192,312
• Time in Patent Office: 925 Days
• Field of Search: 345/7, 345/8, 345/9, 359/630, 359/631, 359/632, 348/94, 348/790, 348/800, 348/801, 340/980
• US Class Current: 345/8
• CPC Class Codes: G02B 2027/0132 comprising binocular systems
• CPC Class Codes: G02B 2027/0138 comprising image capture systems, e.g. camera
• CPC Class Codes: G02B 2027/0154 with movable elements
• CPC Class Codes: G02B 2027/0156 with optionally usable elements
• CPC Class Codes: G02B 2027/0159 with mechanical means other than scaning means for positioning the whole image
• CPC Class Codes: G02B 27/0149 characterised by mechanical features G02B27/0176 takes precedence
• CPC Class Codes: G02B 27/017 Head mounted
• CPC Class Codes: G02B 27/0176 characterised by mechanical features
• CPC Class Codes: G02B 7/12 Adjusting pupillary distance of binocular pairs

Abstract

A head mounted display comprising: a display device 2 at the front; a front frame 12 surrounding the forehead; a back frame 14 surrounding the back portion of the head; connecting devices 30A and 30B for connecting the front frame 12 and the back frame 14 in a manner freely movable toward the back and front of the head; belts 16A and 16B placed on the inner surface of both the front frame 12 and the back frame 14 and around the temples; and a belt fastening and loosening device 20 for fastening the belts 16A and 16B and for releasing the fastened belts.

Claims

1. A head mounted display comprising:

a first display device which displays images for a right eye;

a second display device which displays images for a left eye;

a support means for supporting said first display device at a position in front of the right eye and for supporting said second display device at a position in front of the left eye,

wherein said support means includes a pair of shafts with inverse screws formed thereon, electric motors, which are said dynamo-electric means, which are connected to said shafts, said first and second display devices are supported by respectively being screwed to each of said pair of inverse screws, and said first and second display devices comprise a moving structure along said shafts by rotation of said electric motors;

a position adjustment means for adjusting the position of said first display device and second display device; and

a dynamo-electric means for driving said position adjustment means.

2. A head mounted display according to claim 1, comprising said first and second shafts, wherein said first shaft supports the front-end side of the first and second display devices, said second shaft supports the base-end side of the first and second display devices, and an electric motor is connected to the end of each shaft in order to rotate the shaft.