| 摘要 |
The present invention relates to a personal head mounted display device ("PHMD") said device consisting of a housing being closed hermetically at all sides, within said housing being located two displays and two sets of optical means; the displays and the optical means being arranged in an angle between 1 and to about 30 DEG , advantageously 15 DEG , above the horizon when the PHMD is worn; the displays and the optical means being connected one to each other in an appropriate manner; the displays being connected to electronic means, which electronic means being in turn connected to an electric power source; and to either a video signal source or to a computer VGA or SVGA output; the desired selection being regulated by a switch. The displays preferably selected among CRT, EL and LCD systems. The electronic means are either an integral part of the device or are located outside the device. In a preferred embodiment the PHMD is a goggle which is tight against dust, sun and wind and is integrated with a display (DSW-HMD); in which the upper part of the housing comprises the two displays and the optical means; and the lower part of the housing comprises an optical visor and the electronic means are located outside the device and are connected to the displays.
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