FIELD: instrument making; lighting.
SUBSTANCE: invention relates to at least one time measuring or scientific instrument indicator illuminating device. Invention discloses illuminating device (1) of at least one indicator (2), built-in into housing (3) under time measuring instrument or scientific instrument (100) opening (4), wherein device (1) includes phosphorescent light source (5) installed inside housing (3), external light energy collection device (6) in said phosphorescent light source (5) from said housing (3) ambient environment and at least one light component (10) in form of either said phosphorescent light source (5), or relay optical element (50) connected with said phosphorescent light source (5) using light energy transmission device (7), and wherein indicator (2) illuminating light component (10) is provided either on said opening (4) opposite side relative to said indicator (2), or from said opening (4) periphery, and control device (8) is provided for movement of damper (9) inserted between light component (10) and indicator (2).
EFFECT: disclosed is indicator backlight.
17 cl, 14 dwg
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