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Siemens-Duewag U2 LRV – Edmonton Transit System and Calgary Transit – Alberta, Canada; Siemens SD-160 – Edmonton Transit System and Calgary Transit – Alberta, Canada; LHB/Siemens M1/M2/M3 Metro (Pair) – Prague Metro Czech Republic; Siemens-Adtranz LRV; MX3000 Metro car for Oslo (SGP Wien works) – Oslo T-bane, Norway; CAF S4000 Metro ...
Animated set of computed tomography transmission images of a Logitech C500 webcam. Industrial computed tomography (CT) scanning is any computer-aided tomographic process, usually X-ray computed tomography, that uses irradiation to produce three-dimensional internal and external representations of a scanned object.
Siemens Healthineers is the parent company for several medical technology companies and is headquartered in Erlangen, Germany. The name Siemens Medical Solutions was adopted in 2001, and the change to Siemens Healthcare was made in 2008. In 2015, Siemens named Bernd Montag as its new global CEO.
Electron beam CT scanners are considered a fifth generation CT scanner, with first generation being the pencil beam with translation and rotation, second generation being a fan beam with similar motion to its predecessor, third generation having both rotating fan beam and detectors and fourth generation being a fan beam with a rotating movement but fixed detector.
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In conventional CT machines, an X-ray tube and detector are physically rotated behind a circular shroud (see the image above right). An alternative, short lived design, known as electron beam tomography (EBT), used electromagnetic deflection of an electron beam within a very large conical X-ray tube and a stationary array of detectors to achieve very high temporal resolution, for imaging of ...
A computed tomography scan (CT scan), formerly called computed axial tomography scan (CAT scan), is a medical imaging technique used to obtain detailed internal images of the body. [2] The personnel that perform CT scans are called radiographers or radiology technologists.
As an example, each mm 2 of a CT detector may receive several hundred million photon interactions per second during a scan. [ 4 ] To avoid saturation in areas where little material is present between the X-ray source and the detector, the pulse resolving time must be small compared to the average time between photon interactions in a pixel.