GLASSES Russian patent published in 1996 - IPC

FIELD: optics. SUBSTANCE: glass frame has built-in heating elements disposed along support surfaces. Elements are connected electrically with power unit through conductors disposed inside frame and shackles, and through two flexible isolated wires. Power unit is provided with built-in heating elements calorific power governor and has elastic belt connected with two elastic wires at some part along their lengths; the belt rests against user's neck. Elastic isolated wires are connected with conductors of shackles of glasses by means of joints provided with lockers. EFFECT: prevention of overcooling of bridge of the nose. 4 cl, 7 dwg