DISPLAY DEVICE
PROBLEM TO BE SOLVED: To increase visibility for a user and suppress a deterioration in visual acuity when prescribed information is presented to the user.SOLUTION: The disclosed display device presents prescribed information to a user P. The display device comprises: a concave mirror 2; an operatio...
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| creator | HEIUCHI TAKAHIRO SAKAI TAKESHI SUZUKI YUSUKE MIICHI NOBUHIRO FUKUSHIMA SHOGO |
| description | PROBLEM TO BE SOLVED: To increase visibility for a user and suppress a deterioration in visual acuity when prescribed information is presented to the user.SOLUTION: The disclosed display device presents prescribed information to a user P. The display device comprises: a concave mirror 2; an operation unit 4; and a distance adjustment unit 5. The concave mirror 2 is provided such that the optical distance between an image A (information display medium) and the concave mirror 2 is greater than the focal distance of the concave mirror 2. The concave mirror 2 is formed such that a real image B of the image floats in space. The operating unit 4 acquires information regarding a visual acuity state of the user P. The distance adjustment unit 5 changes the optical distance between the image A and the concave mirror 2 in accordance with the visual acuity state acquired by the operation unit 4, within a range that is greater than the focal distance of the concave mirror 2. |
| format | Patent |
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The display device comprises: a concave mirror 2; an operation unit 4; and a distance adjustment unit 5. The concave mirror 2 is provided such that the optical distance between an image A (information display medium) and the concave mirror 2 is greater than the focal distance of the concave mirror 2. The concave mirror 2 is formed such that a real image B of the image floats in space. The operating unit 4 acquires information regarding a visual acuity state of the user P. 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| subjects | ADVERTISING CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION LABELS OR NAME-PLATES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SEALS SIGNS |
| title | DISPLAY DEVICE |
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