Footcandle

The density of light striking each and every point on a segment of the inside surface of an imaginary one foot radius sphere with a one candlepower source at the center.

footcandle

Aviation; Aeronautics

The amount of illumination on a surface when all points are one foot from a uniform light source of one candela, the amount of light produced by one international candle.

footcandle (FC)

Construction; Lighting

The English unit of measurement of the illuminance (or light level) on a surface. One footcandle is equal to one lumen per square foot.

footcandle meter

Lights & lighting; Lighting products

(See ILLUMINANCE METER).

sony internet tv

Consumer electronics; Television

The first TV to use the Google platform, the Sony Internet TV allows users to watch TV and surf the web at the same time.

Sony Internet TV

Consumer electronics; Television

The world’s first TV using the Google platform, this TV allows users to watch TV while searching the internet on the same screen.

bandpass filter

Consumer electronics; Television

A device that passes a range of frequencies while blocking frequencies outside that range.

zoom

Consumer electronics; Television

A term used to denote the ability to adjust the lens angle of view to change the perceived distance to the subject matter.

yagi

Consumer electronics; Television

A directional antenna commonly composed of a dipole, a parasitic reflector, and one or more parasitic directors.

white clipper

Consumer electronics; Television

A video circuit designed to prevent excessive video levels from generating interference on the audio portion of the television signal.

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Industry/Domain: Health care Category: Diseases

Congenital hypothyroidism (CH)

A condition of thyroid hormone deficiency present at birth. Approximately 1 in 4000 newborn infants has a severe deficiency of thyroid function, while ...