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Snell & Wilcox SW2 and SW4 "Zone Plate" Test Chart (also referred to as Snell & Wilcox Test Pattern) were TV test cards introduced in the 1990s and used with NTSC, PAL and SDTV systems. [1] Popular versions of the test charts were made available on Laserdisc and DVD-Video, allowing home users and professionals to test and calibrate their equipment.
Transverse comminuted fracture of the fibula above the level of the syndesmosis; Pronation-External rotation: Medial malleolus transverse fracture or disruption of deltoid ligament; Anterior tibiofibular ligament disruption; Lateral short oblique or spiral fracture of fibula (anterosuperior to posteroinferior) above the level of the joint
Download as PDF; Printable version; ... Frykman classification is a system of categorizing Colles' fractures. In the Frykman classification system there are four ...
Uniformity tape is designed to be applied directly to the injection edge of a light guide for the purpose of defusing the light generated by LEDs. The microstructure consists of 12-50 μm linear aspheric prisms aligned perpendicular to the plane of the guide.
This classification system was developed by Harald Tscherne and Hans-Jörg Oestern in 1982 at the Hannover Medical School (Hanover, Germany) to classify both open and closed fractures. This classification system is based on the physiological concept that the higher the kinetic energy imparted on the bone, the higher the kinetic energy imparted ...
Light guide LEDs using plastic light guides on a network switch The technology was rendered obsolete by the development of light-emitting diodes (LED) in the 1970s, though lightguide tubes are still used in electronics manufacturing, in situations where it is difficult to place an LED in the appropriate physical location on a display or bezel.
The Müller AO Classification of fractures is a system for classifying bone fractures initially published in 1987 [1] by the AO Foundation as a method of categorizing injuries according to therognosis of the patient's anatomical and functional outcome. "AO" is an initialism for the German "Arbeitsgemeinschaft für Osteosynthesefragen", the ...
To generate white light best suited as an LCD backlight, parts of the light of a blue-emitting LED are transformed by quantum dots into small-bandwidth green and red light such that the combined white light allows a nearly ideal color gamut to be generated by the RGB color filters of the LCD panel. The quantum dots may be in a separate layer as ...