Filter frame for digital camera made from polymer elastic body

A polymer elastic body and digital camera technology, applied in the field of filter frames for digital cameras, can solve the problems of camera lens barrel optical axis deviation, poor watertightness of fitting parts, etc., and achieve the effect of improving watertightness

Inactive Publication Date: 2014-10-01
MARUMI OPTICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a disadvantage that the watertightness of the fitting portion between the filter frame and the filter lens is not good.
[0009] Moreover, further, because most of the filter frames for digital cameras in the past are made of metal, and most of the various filters made of metal filter frames are installed in front of the lens barrel of the digital camera for use, so there are also the following problems : In the case of being hit by a hard object during use, the impact is directly transmitted to the camera lens barrel through the metal filter frame, causing the optical axis of the camera lens barrel to deviate. Therefore, we have been groping for a solution to such a problem Countermeasures

Method used

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  • Filter frame for digital camera made from polymer elastic body
  • Filter frame for digital camera made from polymer elastic body
  • Filter frame for digital camera made from polymer elastic body

Examples

Experimental program
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no. 1 example

[0065] Figure 1 ~ Figure 3is a diagram illustrating the first embodiment of the present invention, figure 1 It is an explanatory diagram of the mounting position of the filter frame in the present invention, figure 2 is a sectional view of main parts for explaining the first embodiment, image 3 Parts (A), (B) of figure 2 The enlarged view of part A-A of , is an explanatory diagram of assembly operation.

[0066] exist figure 1 Among them, 1 is a main body of a digital single-lens reflex camera, 2 is a lens barrel part, and 3 is a filter frame main body for a digital camera made of a polymer elastic body. And above-mentioned filter lens frame main body 3 is installed in the front of lens barrel 2 of digital camera, plays the role of absorbing light, passing light or giving light change etc. through filter lens 4, namely, plays the role of controlling light according to the purpose, and The function of transmitting light into the imaging element of the camera, the digit...

no. 2 example

[0071] Figure 4 It is an assembly part diagram explaining the second embodiment. exist Figure 4 Among them, 10 is an internal thread member, 11 is a filter outer peripheral frame having a filter lens pressing inner section 12 inside, 13 is a filter lens, 14 is a filter lens pressing ring, and 15 is an external thread member. Moreover, for the above-mentioned internal thread member 10, filter outer peripheral frame 11, filter lens holding ring 14, and external thread member 15, thermosetting resins and / or thermoplastic resins and fiber-reinforced plastics using synthetic resins can be arbitrarily selected. Composite materials such as composite materials are used for forming processing, and the various parts processed by the forming process are assembled into a filter frame through heat riveting processing, ultrasonic welding, and adhesive and fixed connections using adhesive materials, thereby forming a high-quality Components of filter frames for digital cameras made of mo...

no. 3 example

[0076] figure 1 as well as Figure 5 , Figure 6 is a diagram illustrating a third embodiment of the present invention, figure 1 It is an explanatory diagram of the mounting position of the filter frame in the present invention, Figure 5 is a sectional view of main parts for explaining the third embodiment, Figure 6 Part (A) of Figure 5 The enlarged view of part B-B is the completed assembly view.

[0077] In this way, the third embodiment is the same as the first embodiment in figure 1 1 is the main body of the digital camera, 2 is the lens barrel, and 3 is the main body of the digital camera filter frame made of composite materials such as thermoplastic resin and fiber-reinforced plastic. Moreover, the above-mentioned filter lens frame main body 3 is mounted on the front of the lens barrel 2 of the digital camera, and plays the role of absorbing light, transmitting light, or giving light changes through the filter lens 4, that is, controlling the light according to ...

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PUM

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Abstract

By decreasing the weight of various filter frames, this filter frame reduces the load of an autofocus motor built into the camera body. The filter frames are used by mounting on the front surface of the lens barrel of the digital camera, and the optical axis of the lens barrel is prevented from coming out of alignment when hit by hard objects during use. A ring-shape filter frame body is manufactured by forming and treating a polymer elastic body, and a filter lens having various effects is fitted into said ring-shape filter frame body.

Description

technical field [0001] The present invention relates to a filter frame for a digital camera, and more particularly, the present invention relates to a filter frame for a digital camera manufactured using a synthetic resin composed of a polymer elastic body. [0002] In addition, the filter frame for a digital camera of the present invention is formed by molding a composite material such as a thermosetting resin, a thermoplastic resin, and a fiber-reinforced plastic using a synthetic resin. The optical filter frame for a digital camera of the present invention has the following features: it is lighter than the conventional metal optical filter frame, the watertightness of the fitting part between the optical filter frame and the filter lens is good, and even when it is installed on the camera lens. When the front end of the lens barrel is used, it is hit by hard things, and the filter frame can be used as a buffer material to prevent the optical axis of the camera lens from dev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B11/04
CPCG03B11/00G03B11/04G02B7/006G03B17/565
Inventor 唐泽豊
Owner MARUMI OPTICAL
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