Electronics

A 4G network is being tested to deliver video and audio content to handhelds at must faster speeds than 3G. Using "Long-Term Evolution" (LTE) technology, the network will also transmit voice calls (VOIP). Rather than run separate voice and data networks, all cell communication could run on one 4G network, with service available next year.

 
 
A video projector takes a video signal and projects the corresponding image on a projection screen using a lens system. All video projectors use a very bright light to project the image. 
Samsung Announces Z510 Series of Wireless Home-Theatre-in-a-Box 
A camcorder is a portable consumer electronics device for recording video and audio using a built-in recorder unit. 
 
Sony launches BDP-S300 Blu-ray disc player. With support for BD-ROM (Single, Dual Layer), DVD, DVD-R/RW, DVD+R/RW, CD-R/RW, MP3, MPEG4 etc 
A digital audio player, more commonly referred to as an MP3 player, is a consumer electronics device that stores, organizes and plays audio files. 
A digital camera that records pictures in the infrared and the ultraviolet as well as the visible range could work using just a single-pixel light sensor. 
Plasma and LCD HDTVs may soon be sharing shelf space at your local electronics store with a new flat panel technology called SED TV