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CoaXPress
CoaXPress (CXP) is an asymmetric high speed serial communication standard over coaxial cable. The most common application is to interface cameras to computers (via frame grabbers) on applications (such as machine vision) which involve automated acquisition and analysis of images. A CoaXPress camera can be interfaced to a CoaXPress frame grabber by a single coaxial cable without an external power supply or extra cables for uplink communication to the camera.
The current version supports bit rates up to 6.25 Gbit/s over a single coaxial cable from camera to frame grabber. A low speed uplink channel, operating at 20.833 Mbit/s from frame grabber to camera can be used for camera control or triggering. A 24 V power supply is also available over the coaxial cable to deliver up to 13 W to the camera. Applications requiring more than a 13 W power supply utilize a separate power supply. For higher bit rates, two or more coaxial cables can be used in parallel.
== History ==
CoaXPress has been developed by 6 companies, of whom Adimec, EqcoLogic and Active Silicon where among the biggest drivers, in 2008 2009. The goal was after the failure of Visilink to develop a successor for the Camera link standard for high-speed and data-rich vision related communication. The standard was first demonstrated in November 2008 at "The Vision" trade-show. After a good reception the standard writing consortium of industrial companies consisting of Adimec, Eqcologic, Active Silicon, AVAL DATA, NED and Components Express was formed early 2009. during the next Vision in 2009 the consortium was awarded the VisionAward for their efforts to further the cause of (machine)vision applications.〔http://www.emva.org/cms/index.php?idcat=32&idart=154 ''CoaXPress wins the Vision Award 2009'' Retrieved December 20, 2012〕 By this time the JIIA have adopted CoaXPress to mature it to an official standard after which the first draft version 1.0 was presented in December 2010.〔(CoaXPress newsletter January 2011 )〕〔http://www.emva.org/cms/index.php?idart=499&idcatart=521&idartlang=499 ''CoaXPress standard gains approval'' Retrieved December 1, 2012〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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