0472660001

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USB, DVI, HDMI Connectors
1. 0472660001 Application Field and Working Principle
• USB Connectors
• Application Fields
  • USB connectors have become an integral part of everyday computing in many industries, including smartphones, digital music players, car entertainment systems, PCs, and more. In addition, they are utilized in medical and military uses for reliable data transfer. It is a common way to share music, digital photography, data and powered peripherals between PCs and devices. With speed and data transferred throughout the connection process, USB connectors increase product performance to create ease and accuracy of data transmission.
• Working Principles
  • The USB connector operates through its connection schemes. By connecting two USB devices with cables, the electrical connection is established immediately of the configuration. Afterward, a communications scheme is introduced in order to establish a data path. The data path, which consists of either Serial Bus (USB 1.x) or High-speed Serial Bus (USB 2.x) ensures proper data transmission. The speed of the data only needs to extend up to 12 Mbps in a USB 1.x connection, but the requirement for transmission increases to 480 Mbps in a USB 2.x connection. Additionally, USB connectors can only provide limited current to power certain devices, which is established through power negotiation. When power negotiation is successful, the USB connectors will only provide as much current as what is required to power the device.
• DVI Connectors
• Application Fields
  • Due to its ability in providing high-resolution digital video connection and seamless data transmission, DVI connectors have become an important connection technology to consumer electronics and computers. As one of the most popular audio and video transmission standard, DVI connectors are generally found in LCD and Plasma displays, as well as on a variety of devices such as DVD players, HDTVs, game consoles, and PCs. DVI connectors have become especially integral in the PC industry, for connecting displays such as TFT LCD flat panel displays, CRT monitors, and video projectors. Besides, DVI connectors also provide an optimal solution for digital still cameras, D-VHS VCRs, and other digital content devices.
• Working Principles
  • The way that DVI connectors work is through a sophisticated communication scheme. It is composed of the TMDDC (the TMDS Data Communications Link) and an EDID (Extended Display Identification Data) communication channel. Through the TMDDC, the video information is sent from one device to the other. The EDID helps to identify the characteristics of the video device, allowing the DVI connectors to convey the proper resolution and color depth for optimal video display. Furthermore, DVI connectors rely on TMDS (Transition Minimized Differential Signaling) technology to maintain a clear and precise signal transmission even when running at high speed. This allows the connectors to achieve the high data transfer rate and superior color depth, up to 19-bits per pixel.
• HDMI Connectors
• Application Fields
  • HDMI connectors offer unmatched audio and video processing capabilities in consumer electronics and commercial applications. It is widely used to deliver digital content from many different types of sources, such as PCs, laptops, gaming systems, cable and satellite receivers. It is an integral part of many new audio-visual and home-theatre systems, like the ones that enable the 3D images to be seen on television sets when used in conjunction with 3D-ready Blu-Ray players.
• Working Principles
  • HDMI connectors operate through a complex process of data encoding and decoding. A number of technologies are used to ensure that digital audio and video are faithfully and correctly communicated to a range of supported devices, such as televisions, monitors, or projectors. To start the process, HDMI connectors receive the data from a digital source, such as a computer, a DVD, or a satellite receiver in its encoded form. It then transmits the data through its connection scheme. This information is then decoded by the receiving device and displayed as the intended digital image or sound track.

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