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Tektronix 4014 with a "DVBST" storage display screen. Direct-view bistable storage tube (DVBST) was an acronym used by Tektronix to describe their line of storage tubes.These were cathode-ray tubes (CRT) that stored information written to them using an analog technique inherent in the CRT and based upon the secondary emission of electrons from the phosphor screen itself.
Cardiac resynchronisation therapy (CRT or CRT-P) is the insertion of electrodes in the left and right ventricles of the heart, as well as on occasion the right atrium, to treat heart failure by coordinating the function of the left and right ventricles via a pacemaker, a small device inserted into the anterior chest wall.
Aperture grille CRT: Cylindrical curve or flat 43 [2] 109 TV, computer monitor: Yes Monochrome CRT: Spherical curve or flat 30 [3] 76 TV, computer monitor, radar display, oscilloscope: Yes Direct view Charactron CRT: Spherical curve 24 61 Computer monitor, radar display: No CRT self-contained rear-projection Flat lenticular: 80 [4] 203 TV: Yes ...
Phosphors used in VFDs are different from those in cathode-ray displays since they must emit acceptable brightness with only around 50 volts of electron energy, compared to several thousand volts in a CRT. [13] The insulating layer in a VFD is normally black, however it can be removed or made transparent to allow the display to be transparent.
CRT LCD Plasma OLED; Static contrast ratio Finite or infinite [citation needed] 150 to 8,100:1 [citation needed] Typically 1,000:1 - 3,000:1, Some models measured up to 20,333:1 [citation needed] "Between 0.0001 and 0.00001 nits" "Sony claims an OLED contrast range of 1,000,000:1." [1] Peak luminosity
St. Jude Medical was founded in 1976 to further develop bi-leaflet artificial heart valves, which were originally created in 1972 at the University of Minnesota. [4] [5] St. Jude Medical's bi-leaflet valve was developed in large part by Dr. Demetre Nicoloff of the University of Minnesota and St. Jude Medical employee Don Hanson.
Electron gun from an oscilloscope CRT Setup of an electron gun. 1. Hot cathode.2. Wehnelt cylinder.3. Anode. A direct current, electrostatic thermionic electron gun is formed from several parts: a hot cathode, which is heated to create a stream of electrons via thermionic emission; electrodes generating an electric field to focus the electron beam (such as a Wehnelt cylinder); and one or more ...
Cardiac resynchronization therapy and CRT defibrillator (CRT-D) Catheter-related thrombosis, the development of a blood clot related to long-term use of central venous catheters; Certified Respiratory Therapist; Chemoradiotherapy, chemo- and radiotherapy combined; Cognitive Retention Therapy, for dementia; Corneal Refractive Therapy, in optometrics