Lens moving apparatus, camera module and mobile device including the same
First Claim
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1. A lens moving apparatus comprising:
- a housing;
a bobbin disposed in the housing;
an upper elastic member coupled to an upper portion of the bobbin and an upper portion of the housing;
a lower elastic member coupled to a lower portion of the bobbin and a lower portion of the housing;
a first coil disposed on the bobbin;
a first magnet disposed on the housing;
a circuit board disposed below the housing;
a second coil disposed on the circuit board and facing the first magnet;
a first sensor disposed below the second coil and including first and second input terminals, and first and second output terminals;
a first capacitor mounted on the circuit board and connected in parallel to the first and second output terminals of the first sensor;
a second sensor disposed below the second coil and including first and second input terminals, and first and second output terminals; and
a second capacitor mounted on the circuit board and connected in parallel to the first and second output terminals of the second sensor.
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Accused Products
Abstract
Embodiments provide a lens moving apparatus including a bobbin having a lens barrel, a housing configured to accommodate the bobbin, an upper elastic member coupled to the bobbin and the housing, a lower elastic member coupled to the bobbin and the housing, a first coil disposed on the bobbin, a first magnet disposed on the housing, a circuit board disposed below the housing, a second coil disposed on the circuit board, a first sensor to output a first output signal based on a sensed result of a magnetic field strength of the first magnet, a first capacitor connected in parallel to the first sensor.
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Citations
20 Claims
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1. A lens moving apparatus comprising:
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a housing; a bobbin disposed in the housing; an upper elastic member coupled to an upper portion of the bobbin and an upper portion of the housing; a lower elastic member coupled to a lower portion of the bobbin and a lower portion of the housing; a first coil disposed on the bobbin; a first magnet disposed on the housing; a circuit board disposed below the housing; a second coil disposed on the circuit board and facing the first magnet; a first sensor disposed below the second coil and including first and second input terminals, and first and second output terminals; a first capacitor mounted on the circuit board and connected in parallel to the first and second output terminals of the first sensor; a second sensor disposed below the second coil and including first and second input terminals, and first and second output terminals; and a second capacitor mounted on the circuit board and connected in parallel to the first and second output terminals of the second sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification