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On February 29, 2012, Cowon Systems Inc. released the Cowon A5 Plenue. [citation needed] The Cowon A5 Plenue is a portable media player that has a 4.8-inch 800×480 pixel thin-film-transistor (TFT) touchscreen, JetEffect sound engine, Android 2.3 OS with custom UI, 1 GHz CPU, 800 MHz vídeo chip, Mali GPU, microSD slot, and a 32 GB or 64 GB storage.
TFT dual-transistor pixel or cell technology is a reflective-display technology for use in very-low-power-consumption applications such as electronic shelf labels (ESL), digital watches, or metering. DTP involves adding a secondary transistor gate in the single TFT cell to maintain the display of a pixel during a period of 1s without loss of ...
3.6-inch diagonal widescreen 480×800 TFT LCD at 259.15 ppi: Connectivity: Dual-band CDMA/EVDO Rev. A (800 1900 MHz) 2.5 to 2.7 GHz WiMAX 802.16e [4] Wi-Fi (802.11b/g/n), [5] Bluetooth 2.1 + EDR: Data inputs: Multi-touch touchscreen display Dual microphone 3-axis accelerometer Digital compass Proximity sensor Ambient light sensor Physical ...
6-inch diagonal display size; 1024x768 resolution; 4:3 aspect ratio; TFT based electronic display "allows bending at a range of 40 degrees from the center of the screen" 0.7mm thickness from the side; 14g weight; can drop from 1.5m above ground with no resultant damage "unbreakable" (from tests with a small urethane hammer)
Bluetooth devices intended for use in short-range personal area networks operate from 2.4 to 2.4835 GHz. To reduce interference with other protocols that use the 2.45 GHz band, the Bluetooth protocol divides the band into 80 channels (numbered from 0 to 79, each 1 MHz wide) and changes channels up to 1600 times per second.
IEEE 802.11be, dubbed Extremely High Throughput (EHT), is a wireless networking standard in the IEEE 802.11 set of protocols [9] [10] which is designated Wi-Fi 7 by the Wi-Fi Alliance. [ 11 ] [ 12 ] [ 13 ] It has built upon 802.11ax , focusing on WLAN indoor and outdoor operation with stationary and pedestrian speeds in the 2.4, 5, and 6 GHz ...
This "inch" system gives a result approximately 1.5 times the length of the diagonal of the sensor. This " optical format " measure goes back to the way image sizes of video cameras used until the late 1980s were expressed, referring to the outside diameter of the glass envelope of the video camera tube .
The first commercial displays capable of this resolution include an 82-inch LCD TV revealed by Samsung in early 2008, [44] the Sony SRM-L560, a 56-inch LCD reference monitor announced in October 2009, [45] an 84-inch display demonstrated by LG in mid-2010, [46] and a 27.84-inch 158 PPI 4K IPS monitor for medical purposes launched by Innolux in ...