| 摘要 |
PURPOSE: A sensitivity controlling device of camera is provided, which can reduce the unit costs according to decrease of parts, can enhance operation efficiency and particularly can make a compact camera as well as easily controlling image sensitivity. CONSTITUTION: The sensitivity controlling device of camera contains; (i) front barrel(100) that is formed space part in the internal part and is extended and formed guide shaft(120) in a line in front of both side; (ii) rear barrel(200) that is posited on the back side of the front barrel and is built imaging device in ; (iii) main base(300) that is posited between the front barrel and rear barrel and supports the lower side of the front barrel; (iv) bobbin(400) that is posited on the front of rear barrel, is built a large number of lens at regular intervals in the internal side and rolled coils on the outside part; (v) a first yoke(500) prepared magnet generating electromagnetic force in the inside that is posited in the inside of the front barrel corresponding to the coil of bobbin; (vi) iris(600) formed a large number of piercing hole having different diameters on the front side that is posited on the outside of the main base and is slid and transferred following the inside of the front barrel and the bobbin; (vii) the second yoke(700) that is posited on the outside of the main base and stuck the magnet wrapping the outside of the iris; and (viii) coil(410) generating electromagnetic force with the magnet that is rolled on the outside of the iris corresponding the magnet. |
