Proportion switching mechanism used for image detection
A switching mechanism and image detection technology, applied in measuring devices, photometry, color measuring devices, etc., can solve the problems of colorimeter and illuminance meter adjustment, detection cost increase, etc.
Active Publication Date: 2014-07-02
致茂电子(苏州)有限公司
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Problems solved by technology
However, the adjustment mechanism in the prior art can only achieve image detection with the same ratio and different sizes. For the above-mentioned change in display ratio, the existing image detection device cannot adjust the colorimeters and illuminance meters to the corresponding positions in real time, but must Re-produced detection devices for images of different proportions, which greatly increased the detection cost
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[0026] see figure 2 , figure 2 It is a schematic diagram of the ratio switching mechanism 22 according to a specific embodiment of the present invention. Such as figure 2 As shown, the ratio switching mechanism 22 can be used in the image detection device 2 , and in addition to the ratio switching mechanism 22 , the image detection device 2 can also include a frame 20 and a detection module 24 . In practice, the frame 20 can receive an image projected by an electronic device, and the electronic device can be a device capable of projecting an image such as a projector or a display, and the detection module 24 can sense each sensing point on the image chromaticity and illuminance.
[0027] In this specific embodiment, the proportional switching mechanism 22 includes a first adjusting rod 220, a second adjusting rod 222, four third adjusting rods 224 and a carrier plate 226, wherein the first adjusting rod 220, the second adjusting rod 222, the four The three third adjusti...
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The invention discloses a proportion switching mechanism, which can be used in an image detection device for setting at least one of a chroma sensing meter and an illuminance sensing meter. The chroma sensing meter and the illuminance sensing meter are used for detecting an image of an electronic device. The proportion switching mechanism comprises a first adjusting rod, a second adjusting rod, four third adjusting rods and a support plate, wherein central points of the first adjusting rod and the second adjusting rod are connected to form a rotary shaft to enable the two to rotate relatively with the rotary shaft as the axis; each of the four third adjusting rods comprises a first end, a second end and a connection point between the first end and the second end; each connection point is pivoted between the rotary shaft and the end part of the first adjusting rod or the rotary shaft and the end part of the second adjusting rod; first ends and second ends of the four third adjusting rods are mutually connected to form four extending points; each third adjusting rod is linked with the first adjusting rod and the second adjusting rod to enable the extending point to move along with rotation of the first adjusting rod and the second adjusting rod; and the support plate can be arranged on the extending point and moves along with the extending point.
Description
technical field [0001] The present invention relates to a scale switching mechanism for image detection, and in particular, to a scale switching mechanism that can adjust the position of an image detector to detect images of different scales. Background technique [0002] A projector is an instrument that can project images on a screen or a wall, including digital projectors, movie projectors, physical projectors, slide projectors, and lenticular projectors. Since digital projectors can receive digital signals from various electronic devices, such as desktop computers, notebook computers, tablet computers, DVD players, game consoles, digital cameras, and even smart phones, and then convert the digital signals into image projection to screens or walls, therefore, digital projectors can be widely used in corporate units, government or public institutions, academic units, homes, or any occasion that requires large images. [0003] A general projector is a front-projection type...
Claims
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Login to View More IPC IPC(8): G01J1/04G01J3/46G01J3/02
Inventor 许旭昌刘茂盛
Owner 致茂电子(苏州)有限公司