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Auto focus camera and mobile terminal with camera

A focusing and automatic technology, which is applied to the camera body, camera, focusing device, etc., can solve problems such as low detection accuracy, and achieve the effects of low cost, simple structure and simple structure

Active Publication Date: 2016-02-24
NEW SHICOH MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially when the magnetic sensor detects the position and detects the magnetic field strength of the magnet, the position detection accuracy in the X-Y direction will be low.

Method used

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  • Auto focus camera and mobile terminal with camera
  • Auto focus camera and mobile terminal with camera
  • Auto focus camera and mobile terminal with camera

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0049] Below, refer to the attached Figure 1 to Figure 7 , the first embodiment of the present invention will be described in detail. The autofocus camera 2 in the first embodiment is an autofocus camera incorporated in a mobile phone. like figure 1 As shown, the autofocus camera 2 is provided with an image sensor 31 and a control unit 30 provided on the lens driving device 1 and the imaging side of the lens.

[0050] Lens driving device 1 such as Figure 4 and Image 6 As shown, there is a lens support body 5 supporting the lens (not shown) on the inner periphery; the lens support body 5 is freely arranged on the ring mouth 3 on the inner peripheral side; it is arranged on the front side of the ring mouth 3 in the optical axis direction The upper frame 7 and the front side spring 9; the base 8 and the rear side spring 11 arranged on the ring mouth 3 rear side. A spacer (insulator) 15 is disposed between the rear spring 11 and the collar 3 . In addition, the coil 4 is f...

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PUM

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Abstract

A small and simple composition and in the lens support body can highly detect the X-Y orthodox position of the X-Y direction of the optical axis in the lens support body.The receiving existing comparison value is compared with the comparison value received in the past. The comparison value is at the maximum polymerization focus position, and the lens support body will move in the direction of Z.The comparison-location data that has the relationship between the comparison value received from the portrait sensor and the position of the lens support body.When the lens support body is in the initial position, the comparison value received from the portrait sensor, according to the comparison-location data, calculate the polymerization focus position when the value is the largest.The magnetic anesthesia detection signal received by the direction magnetic a pilot detection element and the Y direction of the Magnetic detection element is corrected corresponding to the Z direction of the lens support body.

Description

technical field [0001] The present invention relates to a related auto-focus camera and a mobile terminal device with the camera. Background technique [0002] Patent Document 1 (JP-A-2010-85448) discloses that in an autofocus camera, the lens support moves in the direction of the optical axis, that is, the Z direction, and the lens support moves in response to the shaking of the sensor. The direction of the optical axis moves in the orthogonal X-Y direction (X direction and Y direction). In the technology of this patent document 1, it is disclosed that a position detection magnet is provided on the movable holding member; a magnetic detection sensor is provided on the lens support; the position of the lens support in the X direction and the Y direction is determined by the magnetic sensor This is the case for detection. [0003] However, in the technique of Patent Document 1, when the lens support moves in the Z direction, the movable holding member provided with the posi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B13/36G03B5/00G03B17/04H04N5/232H04N5/225
CPCG02B7/09G03B13/36H04N23/50H04N23/57H04N23/55H04N23/54
Inventor 白木学多田纯一
Owner NEW SHICOH MOTOR CO LTD