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  2. Cycloconverter - Wikipedia

    en.wikipedia.org/wiki/Cycloconverter

    A cycloconverter (CCV) or a cycloinverter converts a constant amplitude, constant frequency AC waveform to another AC waveform of a lower frequency by synthesizing the output waveform from segments of the AC supply without an intermediate DC link (Dorf 1993, pp. 2241–2243 and Lander 1993, p. 181). There are two main types of CCVs, circulating ...

  3. Tap converter - Wikipedia

    en.wikipedia.org/wiki/Tap_converter

    The tap converter is a variation on the cycloconverter, invented in 1981 by New York City electrical engineer Melvin Sandler and significantly functionally enhanced in 1982 through 1984 by graduate students Mariusz Wrzesniewski, Bruce David Wilner, and Eddie Fung.

  4. Frequency changer - Wikipedia

    en.wikipedia.org/wiki/Frequency_changer

    A cycloconverter is also a type of frequency changer. Unlike a VFD, which is an indirect frequency changer since it uses an AC-DC stage and then a DC-AC stage, a cycloconverter is a direct frequency changer because it uses no intermediate stages. Another application is in the aerospace and airline industries. Often airplanes use 400 Hz power so ...

  5. Patient lift - Wikipedia

    en.wikipedia.org/wiki/Patient_lift

    A patient lift (patient hoist, jack hoist, Hoyer lift, or hydraulic lift) may be either a sling lift or a sit-to-stand lift.This is an assistive device that allows patients in hospitals and nursing homes and people receiving home health care to be transferred between a bed and a chair or other similar resting places, by the use of electrical or hydraulic power.

  6. Hospital bed - Wikipedia

    en.wikipedia.org/wiki/Hospital_bed

    A modern hospital bed at public hospital at Hong Kong Hospital beds per 1000 people 2013 [1] A hospital bed or hospital cot is a bed specially designed for hospitalized patients or others in need of some form of health care. These beds have special features both for the comfort and well-being of the patient and for the convenience of health ...

  7. AC-to-AC converter - Wikipedia

    en.wikipedia.org/wiki/AC-to-AC_converter

    A cycloconverter constructs an output, variable-frequency, approximately sinusoid waveform by switching segments of the input waveform to the output; there is no intermediate DC link. With switching elements such as SCRs, the output frequency must be lower than the input.

  8. Medical physics - Wikipedia

    en.wikipedia.org/wiki/Medical_physics

    The first type are mainly concerned with preparing students for a career as a hospital Medical Physicist and research focuses on improving the practice of the profession. A second type (increasingly called 'biomedical physics') has a much wider scope and may include research in any applications of physics to medicine from the study of ...

  9. PeaceHealth Sacred Heart Medical Center at RiverBend

    en.wikipedia.org/wiki/PeaceHealth_Sacred_Heart...

    PeaceHealth Sacred Heart Medical Center at RiverBend is a 388-bed regional medical center The hospital is located in Springfield, in the U.S. state of Oregon.Established in 2008, it is the only remaining Sacred Heart facility in the Eugene-Springfield area owned by PeaceHealth.

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