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Video camera suitable for all-weather use

A camcorder, all-weather technology, applied in the field of camcorders, can solve the problem that the camcorder cannot work at night, etc., and achieve the effect of uniform and clear picture effect.

Inactive Publication Date: 2008-05-21
深圳市通宝莱科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When the camcorder is used at night, it is usually illuminated by infrared light. At this time, due to the existence of the fixed infrared filter, the camcorder cannot work at night

Method used

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0018] As shown in Figure 1. A camcorder suitable for all-weather use, which includes an image sensor 1 and a filter 2 arranged in front of the image sensor 1, light from a subject is transmitted into the camcorder through a lens 5, and is filtered by the filter 2 The interfering light is transmitted to the image sensor 1. The filter 2 is switchable, and the filter 2 adapted to it is selected according to the difference of the filtered interference light. The optical filter 2 of the present invention includes a high-pass filter 21 and a low-pass filter 22 .

[0019] The camcorder of the present invention includes a control unit 3 for controlling the switching of the filter 2, and the control unit 3 is electromagnetically or mechanically controlled; it also includes a photosensitive circuit 4 for detecting the intensity of ambient light. The ...

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Abstract

The invention provides a camera suitable for all-weather use, comprising an image sensor (1) and a filter (2) arranged at the front of the image sensor (1). The filter (1) comprises a high-pass filter (21). The invention is characterized in that the filter (2) also comprises a low-pass filter (22) and thus the infrared rays or visible lines can be selectively filtered. The invention has the advantages that the invention can switch filters according to the light variations in different working environments of the camera, reducing the influence of light interference from different environment on picture and producing more real and clear pictures; besides, when working under an infrared lamp at night, the invention by adopting the low-pass filter can eliminate the influence of visible lights on pictures, making the pictures more uniform; the overall picture clarity will not be influenced even under the radiation of strong light source.

Description

【Technical field】 [0001] The invention relates to the technical field of security monitoring, in particular to a video camera suitable for all-weather use. 【Background technique】 [0002] When the existing camcorder is used in daytime, in order to make the color of the picture not distorted and consistent with human observation, an infrared filter is fixed in front of the image sensor to filter the interference of infrared light. When the camcorder is used at night, it is usually illuminated by an infrared light. At this time, due to the existence of a fixed infrared filter, the camcorder cannot work at night. 【Content of invention】 [0003] In order to solve the existing technical problems, the invention provides a video camera suitable for all-weather use, which can work under eyes or under infrared light. [0004] The present invention solves the existing technical problems, and the adopted technical solution is: provide a video camera suitable for all-weather use, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/225G03B11/04
Inventor 吴文洲刘莉李锦泉李嘉穗
Owner 深圳市通宝莱科技有限公司
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