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In 2013, Toshiba released the Kirabook (Dynabook Kira in Japan), a high-end Windows 8 notebook. [42] In 2014, it launched the Toshiba Encore Windows 8.1 tablet and the Excite Go, a low-end Android tablet. [43] In a LaptopMag.com ranking the best and worst laptop brands, Toshiba was placed last in 2013 and again in 2016; it was placed fourth in ...
2014 logo. A beta version of Zoom that could host conferences with only up to 15 video participants was launched on August 21, 2012. [8] On January 25, 2013, version 1.0 of the program was released with an increase in the number of participants per conference to 25. [9]
Toshiba initialized process of divestment of the personal computer and laptop business, Toshiba Client Solutions, in 2018 with sale of 80.1% of shares to Sharp Corporation. Eventually Toshiba fully exited from the personal computing market in June 2020, transferring the remaining 19.9% shares in Toshiba Client Solutions (since being renamed to ...
[67] [68] The camera phone was the same size as similar contemporary mobile phones, but sported a large camera lens and a 5 cm (2 inch) colour TFT display capable of displaying 65,000 colors, and was able to process two video frames per second. The 155 gram (5.5 oz.) camera could also take 20 photos and convey them by e-mail, with the camera ...
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Video camera tubes are devices based on the cathode-ray tube that were used in television cameras to capture television images, prior to the introduction of charge-coupled device (CCD) image sensors in the 1980s. Several different types of tubes were in use from the early 1930s, and as late as the 1990s.
An active-pixel sensor (APS) is an image sensor, which was invented by Peter J.W. Noble in 1968, where each pixel sensor unit cell has a photodetector (typically a pinned photodiode) and one or more active transistors.
In North America, the Precise Tone Plan used today employs two tones of 480 and 620 Hz at an amplitude of -24 dBm with a 0.5 s on/off cadence. Prior to the adoption of the PreciseTone system, the busy signal generally had the same frequency as the dial tone. Until frequencies began to be standardized in the 1960s, telephone signals varied from ...