Insight

The scanner can input pictures, manuscripts, photos, films, drawings, and other graphic documents into the computer, and has the functions of copying and sending faxes if in cooperation with printers and modems. As the popular scanners have dropped to less...

The use effect of home cinema is something that many people care about because everyone wants to perfect their home cinema. However, the effect of home cinema is related to many factors, and the projector of the home cinema is...

Classification by application environment Home cinema projector: It is characterized by brightness of about 2,000 lumens (with the development of projection, the number is constantly increasing and the contrast ratio is relatively high). The projected screen width-to-height ratio is mostly...

Supporting software The functions of the scanner should be realized by corresponding software. Except for the driver and scanning operation interface, almost every scanner will give away some image editing software, OCR text recognition software and others at random. Different...

The scanner is a device that uses photoelectric technology and digital processing technology to convert graphics or image information into digital signals by scanning. Scanners are usually used for external computer equipment. By capturing images and converting them into digital...

The performance index of projector is a standard to distinguish the grade of projector, mainly including the following indexes: Light output: It refers to the light energy output by the projector in "lumens" (lm). A physical quantity related to light...

Commercial projectors are usually connected with VGA interface, HDMI interface and U disk interface of computers to present PPT, PDF graphic content, excel table content or high-resolution picture content in large format. Resolution of commercial projectors: The mainstream resolutions of...