Imaging module

A technology for camera modules and objects to be photographed, which can be used in image communication, TV, color TV parts, etc., and can solve problems such as insufficient thread fastening strength, image quality degradation, and camera module water resistance decline, etc.

Active Publication Date: 2014-04-02
KYOCERA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] On the other hand, in order to reduce the size of the camera module and reduce the size of the screw fastening part, if the diameter of the screw is reduced, the strength of the screw fastening will be insufficient.
In this way, when the bracket is screwed onto a motor vehicle or the like, the vibration of the motor vehicle or the like weakens the fastening force of the second screw, so there is a problem that the optical axis is shifted and the image quality is likely to deteriorate.
[0008] In addition, since the fastening force of the second screw is weakened, the rear case and the bracket are misaligned, and there is a problem that the waterproofness of the camera module is lowered.

Method used

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Embodiment

[0055] Hereinafter, an embodiment of the camera module 1 of the present invention will be described.

[0056] figure 1 and figure 2 The camera module of the embodiment of the structure shown is fabricated as follows. First, a rectangular cylindrical front cabinet 3 made of polycarbonate formed by injection molding and a square box-shaped rear cabinet 4 made of polycarbonate formed by injection molding are prepared. In the front case 3, the square cross section has dimensions of 23 mm in length and 23 mm in width and 10 mm in height. In the rear case 4, the square cross section has dimensions of 23 mm in length and 23 mm in width and 13 mm in height. Furthermore, the front case 3 has a cylindrical lens barrel 6 inside.

[0057] Next, the lens unit 2 composed of three lenses is installed on the lens barrel 6 inside the front case 3 , and the lens unit 2 is fixed by the ring-shaped retainer 12 . And the connection terminal 9 provided on the lens barrel 6 inside the front cas...

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Abstract

An imaging module includes a front case which is configured to mount a lens unit on a subject side, a rear case which is mounted to the front case and configured to seal an imaging substrate in an interior space between the rear case and the front case, and a bracket mounted to the rear case. The rear case is mounted to the front case with first screws which is screwed into screw fastening holes and first screw fastening through-holes, and the bracket is mounted to the rear case with second screws, which are screwed into the first screw fastening through-holes and second screw fastening through-holes and have a diameter larger than that of the first screws.

Description

technical field [0001] The present invention relates to an imaging module using an imaging element including a semiconductor image sensor typified by a CCD image sensor. Background technique [0002] A conventional camera module having a bracket for mounting on an automobile or the like has, for example, the following structure. [0003] Specifically, the structure includes: a front case in which the lens unit is installed on the subject side, and an imaging substrate on which the imaging element is mounted is provided at a position opposite to the subject side, and the imaging element and the lens unit opposite; the rear shell, which is installed on the front shell to seal the imaging substrate in the inner space of the rear shell and the front shell; the bracket, which is installed on the rear shell. [0004] In the conventional camera module having such a structure, the front case and the rear case are screwed together by the first screw, and the rear case and the bracke...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/225
CPCH04N5/2252H04N5/2253H04N5/2257H04N23/51H04N23/54H04N23/57
Inventor 森岛理洋辻克美
Owner KYOCERA CORP
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