Lens moving apparatus, camera module and mobile device including the same
First Claim
Patent Images
1. A lens moving apparatus comprising:
- a housing;
a bobbin disposed in the housing;
an elastic member coupled to the bobbin;
a first coil disposed on the bobbin;
a first magnet disposed on the housing;
a second coil facing the first magnet;
a first circuit board disposed below the housing and including a first terminal, a second terminal, a third terminal, and fourth terminal;
a first sensor disposed on the first circuit board and including first and second input terminals connected to the first and second terminals for receiving a first input signal from the first circuit board and first and second output terminals connected to the third and fourth terminals for outputting a first output signal to the first circuit board; and
a first capacitor disposed on the first circuit board and connected to the first and second output terminals of the first sensor.
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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.
8 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 elastic member coupled to the bobbin; a first coil disposed on the bobbin; a first magnet disposed on the housing; a second coil facing the first magnet; a first circuit board disposed below the housing and including a first terminal, a second terminal, a third terminal, and fourth terminal; a first sensor disposed on the first circuit board and including first and second input terminals connected to the first and second terminals for receiving a first input signal from the first circuit board and first and second output terminals connected to the third and fourth terminals for outputting a first output signal to the first circuit board; and a first capacitor disposed on the first circuit board and connected to the first and second output terminals of the first sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A lens moving apparatus comprising:
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a housing; a bobbin disposed in the housing; an elastic member coupled to the bobbin; a first coil disposed on the bobbin; a first magnet disposed on the housing; a second coil facing the first magnet; a circuit board disposed below the housing; a base disposed below the first circuit board; a first sensor disposed on the circuit board and including first and second input terminals for receiving a first input signal from the first circuit board and first and second output terminals for outputting a first output signal to the first circuit board; and a first capacitor disposed on the circuit board and connected to the first and second output terminals of the first sensor.
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Specification