Light shielding spectacles having visual field adjusting device |
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| 申请号 | JP2422185 | 申请日 | 1985-02-08 | 公开(公告)号 | JPS61183617A | 公开(公告)日 | 1986-08-16 |
| 申请人 | Akijiro Yamazaki; | 发明人 | YAMAZAKI AKIJIRO; | ||||
| 摘要 | PURPOSE:To eliminate external light in reading of a VDT (computer display), and to execute easily the reading by making a visual field adjustable by a slit or a hole. CONSTITUTION:In order to fix hollow boxes or cylinders 1, 2 whose top and side faces have been light-shielded, in front of eyes, eyes are held and installed by ears or a head part. To a surface 3 formed by cutting said hollow box or cylinder into round slices, a slit card 4 or a holes card 5 for adjusting a visual field is fixed so that it can be replaced. In this state, a light quantity adjusting part is formed by the slit card 4 or the holed card 5, on a gazing line of spectacles, so that only light from an image is made to pass through. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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