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Vertical interval switcher.
| CCTV glossary (глоссарий терминов по видеонаблюдению) |
A sequential or matrix switcher that switches from one camera to
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Sequential, английский
- Последовательный
- A являющийся продол- жением или следствием; последовательный; секвенциальный accountability, derivation, grammar seriation n выстраивание рядов
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Composite sync, английский
- A signal consisting of horizontal sync pulses, vertical sync pulses and
- Combination of the hd and vd in one signal. commonly used as a synchronizing or genlock signal in b/w systems.
- A signal consisting of horizontal sync pulses, vertical sync pulses and equalizing pulses only, with a no-signal reference level.
Liquid crystal display (lcd), английский
- A screen for displaying text/graphics based on a technology called
- A screen for displaying text/graphics based on a technology called liquid crystal, where minute currents change the reflectiveness or transparency of the screen. the advantages of lcd screens are very small power consumption (can be easily battery driven) and low price of mass-produced units. the disadvantages are narrow viewing angle, slow response (a bit too slow to be used for video), invisibility in the dark unless the display is back lighted, and difficulties displaying true colors with color lcd displays.
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