| 摘要 |
FIELD: optics. ^ SUBSTANCE: the lens is designed for reading of information on the surface (screen) in the form of symbols, texts or images, applicable in various devices presenting the information on a display, in particular, mobile telephone. The lens has an optical system in the form of a lens, as well as a mechanism for hand displacement and a fastener of the lens over the surface under consideration made in the form of a U-shaped clamp enveloping the surface under consideration from the bottom and from the sides. Tenons are provided in the lower part of the clamp at its foot on two sides, the tenons carry two turning parallel bars with either rectangular lens or the first ends of additional tubes installed in the bar neck for turning. The second ends of the additional tubes also have necks and an axle, with a rectangular lens fastened on it. The above tenons carry also a flat cover for turning with an end wall and lateral bosses adjoining the end wall. The inner surface of the cover bottom may be provided with a mirror layer. ^ EFFECT: provided a coverage of a wide field of vision, simplified installation on the object with an information message and removal from the field of vision. ^ 2 cl, 7 dwg |
