field-sequential color television
Học thuậtThân thiện
Definition
Noun: - An early form of color television technology: A system for broadcasting and displaying color television images. In this system, the complete picture (frame) is built by scanning successive fields, each field representing the image in one of the three primary colors (red, green, and blue) in rapid sequence. The viewer's perception blends these sequential color fields into a full-color image.
Usage
- This term is used to describe a specific, historical method of color television transmission and display. It is primarily technical and historical in context.
- Example:
- Example:
Advanced Usage
- The system relies on persistence of vision and a color wheel synchronized with the broadcast signal to create the color image.
- It is contrasted with simultaneous color systems (like the NTSC standard eventually adopted), which transmit color information concurrently.
Variants and Related Words
- Field-sequential color system: A more general term for the technology, not limited to television.
- CBS color system: A specific, early field-sequential color television system developed by CBS.
Synonyms
- Sequential color television
- Color field-sequential system
Related Technical Terms
- Color wheel: The rotating mechanical filter used in the receiver to display the sequential color fields.
- Primary colors: In this context, the specific red, green, and blue filters used in the sequence.
Noun
- an early form of color TV in which successive fields are scanned in three primary colors