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Brightness adjustment method for projection apparatus, device and electronic device

A technology for projection equipment and brightness adjustment, which is applied in the direction of using projection devices, image reproducers, electrical components, color TVs, etc., and can solve problems such as automatic adjustment of projection brightness

Active Publication Date: 2018-12-11
北京基石远景数字科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the projection device cannot automatically adjust the projection brightness according to the changes in the environmental factors in its environment.

Method used

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  • Brightness adjustment method for projection apparatus, device and electronic device
  • Brightness adjustment method for projection apparatus, device and electronic device
  • Brightness adjustment method for projection apparatus, device and electronic device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0143] Embodiment 1, as can be seen from the above, the value range of the first data is [0, 2400], and the value range of the lumen value of the projection device is [3000, 10000]. Therefore, different value ranges can be divided into equal intervals. For example, if the first data is equally spaced into 50 value intervals, the interval between each value interval should be 48cm 2 , specifically can be expressed as 50 intervals such as [0, 48) for interval 1, [48, 96) for interval 2, and [96, 144) for interval 3. Similarly, the value range of the lumen value of the projection device can be , divided into 50 value intervals according to the same method, and the interval of each value interval is 140lm, then for each value interval, the average of the maximum value and the minimum value can be calculated as the value interval corresponding to the first data specific lumen value. For the above situation, the size of the first data is 100cm 2 , when the size of the second data ...

Embodiment approach 2

[0144] Embodiment 2: According to the magnitude of the first data, the lumen value to be adjusted of the projection device is determined according to a preset first logarithmic function.

[0145] Specifically, suppose the first logarithmic function can be expressed as:

[0146]

[0147] At this time, the lumen value to be adjusted of the projection device is:

[0148]

[0149] For the above second case, suppose the size of the first data is 20cm 2 , the size of the second data is 100 lux, and the first data is smaller than the preset crowd flow threshold, which meets the above second situation. At this time, the lumen value to be adjusted of the projection device can be determined according to the size of the second data, and the specific implementation method can include:

[0150] Embodiment 1, it can be known from the above that the value range of the second data is [100, 500], and the value range of the lumen value of the projection device is [3000, 10000]. Therefo...

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Abstract

The embodiment of the invention provides a brightness adjustment method for projection apparatus, a device and an electronic device. The technical scheme includes: the environment within the preset range of the projection device can be used as the current environment, acquiring flow data of the current environment, as first data, acquiring environmental brightness of the current environment, as second data, based on the first data and the second data, determining lumen values to be adjusted of the projection apparatus according to a pre-configured brightness adjustment strategy, and adjustingprojection brightness of the projection apparatus according to the lumen values to be adjusted. The scheme provided by the embodiment of the invention can automatically adjust the projection brightness of the projection device according to the flow data of the current environment and the environmental brightness, thereby prolonging the service life of the projection device.

Description

technical field [0001] The present invention relates to the technical field of projection equipment, in particular to a brightness adjustment method, device and electronic equipment of a projection equipment. Background technique [0002] With the development of science and technology, large shopping malls, subway platforms, high-speed rail platforms and other places with a large number of people will use a large number of projection equipment. These projection equipment are mainly used to display various information, such as business activity information, advertising information, and train information, etc. [0003] Generally speaking, the brightness of a projection device is represented by the lumen value, and when the projection device is used, its environment is often relatively bright, and the current ambient brightness will be continuously adjusted according to the weather and the brightness of the outdoor environment. feel comfortable. In this case, in order to ensu...

Claims

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Application Information

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IPC IPC(8): H04N9/31
CPCH04N9/315
Inventor 史俊
Owner 北京基石远景数字科技有限公司