PowerPhotonic Ltd. - Bessel Beam Generator LB 6/24

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OSI Optoelectronics - HIGH Performance HP 6/24

23 terms

Photonics Dictionary: T

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television aperture

The term that represents the size of one of the many small elements into which a television image is necessarily broken down for transmission.

television bandwidth

The span of frequencies within which a single channel of broadcast television must fall; in the US, it is 6 MHz.

television camera

A camera containing an electronic image sensor that converts the image to an electronic signal suitable for television applications.

television line number

The value equal to the raster height divided by the half-period of a periodic test pattern.

television microscope

A device designed to enlarge the image of a microscopic object by television process. It may be a flying spot scanner that is used to scan the microscope slide, or a camera tube-microscope...

television monitor

A television receiver that receives the signals generated by a television camera directly, or remotely through a radio signal. It may be used to continuously check image and sound reception; as a...

television projection

A television display system in which the television signal is converted to an image that is projected onto either a front or rear projection screen.

television signal

The combination of the audio and visual signals that are transmitted and received at the same time, correlating the scene and sound in a television picture.

television transmitter

An electronic device used to encode video and audio signals of a television camera into radio waves that are broadcast to remote receivers. The video and audio components are transmitted...

television waveform

The graph of the oscillating variations composing the wave of a video signal.

time division multiplex

The process or device by which more than one signal can be sent over a single channel by using different time intervals for the different signals. This may be done by varying the pulse duration,...

target

1. The anode or anticathode of an x-ray tube that emits x-rays when bombarded by electrons. 2. The screen in a television imaging tube that is scanned by an electron beam to determine the...

TDDM

time division demultiplex

TDM

time division multiplexing

tearing

In television, a lateral displacement of the lines from their normal position due to the instability of a synchronizing circuit. Visually, it appears as though parts of the images had been torn away.

televise

To transform a picture or image field into a television signal for transmission.

thermal detector -> infrared detector

An infrared detector is a device that is used to detect and measure infrared radiation, which lies beyond the visible spectrum of light. These detectors are utilized in various applications,...

TIROS

television and infrared observation satellite

trichromacy

The basis of color vision in the human eye. Three types of cones have been identified, each having a unique spectral response (red, green and blue).

trinoscope

A color-television viewing system with three kinescopes, three lenses and three deflection yokes used to form the red, green and blue images required for a tricolor television projection.

tristimulus colorimeter -> colorimeter

A colorimeter is a device used to measure and quantify the color characteristics of an object or a light source. It provides objective and standardized color information, typically expressed in terms...

television

TVRO

television receive only

Photonics DictionaryT

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