Light modulator
A dimming device and variable technology, applied in the direction of lighting devices, light sources, electric light sources, etc., can solve the problems of damaging electronic components or circuits, not getting a click feeling, and not being able to lengthen through holes, so as to prevent temperature rise, The effect of ensuring the click feeling and improving the static resistance
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[0026] Below, refer to Figure 1 to Figure 5 The lighting device 1 of the present invention will be described. In addition, in figure 1 Among them, the front direction is the upper side of the dimming device 1, the left direction is the right side of the dimming device 1, the right direction is the left side of the dimming device 1, the upper direction is the surface side of the dimming device 1, and the lower direction is The back side of the dimming device 1 .
[0027] The dimming device 1 of the present invention, such as figure 1As shown, it has: a circuit board part 13, including a rotary rheostat 14 for dimming control setting with a rotating operation shaft 14a, and a switch between an external power supply (not shown) and a lighting load (not shown). The switch 15 for conducting electricity between them; the body 2 has a through hole 4b that rotatably penetrates the inner peripheral surface of the operation shaft 14a close to the operation shaft 14a, and protrudes...
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Abstract
PROBLEM TO BE SOLVED: To provide a light control device which secures a click feeling without increasing the number of components and has an improved electrostatic resistance, and can prevent temperature rise of the operating knob.
SOLUTION: The light control device 1 comprises a rotation type variable resistor 14 which has an operating shaft 14a and is used for control setting of the illumination; a device body 2, having a protruded part 20 through which, the operating shaft 14a is rotation freely inserted, making an insertion hole 4b having an inner peripheral face drawn near to the operating shaft 14a and the peripheral part of the insertion hole 4b protrude toward surface side, having a housing part 20a on its rear side, housing the variable resistor 14; the operating knob 24 mounted on the top end side of the operating shaft 14a, arranged in free rotation on the surface side of the device body 2 by housing the protruded part 20 at the recessed part 24a formed on the rear side; and a projection for click 24d having a projection protrusively arranged on the outer circumference of the protruded part 20, protrusively arranged at the inside face of the recessed part 24a of the operating knob 24 so as to be able to climb over the above projection.
COPYRIGHT: (C)2006,JPO&NCIPI
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