Automatic opening display method for entrance machine

Abstract

The invention discloses an automatic opening display method for an entrance machine. The entrance machine comprises a camera and a liquid crystal display (LCD). The automatic opening display method comprises the following steps: a), controlling the LCD in a closing state in a standby state; b), continuously collecting video image data through the camera of the entrance machine; c), comparing changes of adjacent video image data to judge whether a user approaches to the entrance machine; d), when the camera detects that a user approaches to the entrance machine, automatically opening the LCD of the entrance machine. According to the automatic opening display method for the entrance machine, the camera attached on the entrance machine continuously captures images to judge whether a user approaches to the entrance machine, so that the LCD of the entrance machine is automatically opened when the camera detects that the user approaches to the entrance machine, thereby facilitating the user to check out or operate the entrance machine; a control algorithm provided by the invention doest no affect the original basic functions of the entrance machine, does not add extra elements or devices and can effective improve the competitive power of products.

Description

technical field [0001] The invention relates to a control method of an outdoor station, in particular to an automatic opening and display method of the outdoor station. Background technique [0002] Now the use of LCD screens on video intercom door phones has become more and more common, but LCD screens generally have a lifespan problem. The main index to measure the service life of LCD is the brightness index. After the life time is reached, the brightness of LCD will drop to half of the original standard. Most of the liquid crystal displays on the market now have a nominal service life of 20,000-30,000 hours, that is to say, if they are turned on 24 hours a day, they will be used for 833 days-1250 days, which is equal to 2.3-3.4 years. Indicators are obviously not enough for security products. There are generally two common ways to solve this problem in the market at present: [0003] 1. In standby mode, the display screen is automatically turned off through software co...

AI Technical Summary

Problems solved by technology

[0003] 1. In standby mode, the display screen is automatically turned off through software control, and the display screen needs to be activated by touching the screen during operation. This method has poor user experience, especially when advertisements need to be played on the display screen, and cannot meet the requirements of the application. need;

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