Home > Industry/Domain > Medical devices
Medical devices
Any instrument, appliance or machine that facilitates the prevention,diagnosis and treatment of illness, physical or mental injury, by a medical professional.
0Categories 73396Terms
Add a new termContributors in Medical devices
Medical devices >
exwave HAD technology
Consumer electronics; Video camera
Technology with a nearly gapless OCL (On-chip-lens) located over each pixel of the CCD resulting in more than twice the sensitivity and 1/50 the smear compared to Hyper HAD ...
F stop, F number
Consumer electronics; Video camera
Calibrated measure of lens iris aperture. Common F stops are F1.4, F2, F2.8, F4, F5.6, F8, F11, F16, F22. The higher the number, the smaller the iris aperture and the less light ...
field / frame integration
Consumer electronics; Video camera
Two different pixel readout techniques in CCDs designed for interlaced output. Refers to the total integration time, field duration (16.6 ms NTSC/EIA or 20 ms PAL/CCIR) or frame ...
field
Consumer electronics; Video camera
Half of a TV picture consisting of only the odd or only the even lines. NTSC/EIA features 60 fields of 262.5 lines / second. PAL/CCIR features 50 fields of 312.5 lines / second. ...
frame
Consumer electronics; Video camera
One complete TV picture consisting of two sequential interlaced scanned fields. NTSC/EIA has 30 frames of 525 lines per second. PAL/CCIR has 25 frames of 625 lines per second.
focal length
Consumer electronics; Video camera
Distance between the optical center of a lens and the image focal point. Fixes the magnification and the angle of view of a lens. Vari-focal and zoom lenses have a variable focal ...