| 摘要 |
An adapter device, which is connected between a host for outputting a sync-on-green (SOG) signal and a conventional display monitor, separates a sync signal from the SOG signal, and supplies red, blue, and SOG signals to a color display monitor together with the separated sync signal. The adapter device is composed of an adapter housing upon which three BNC connectors are mounted, and a D sub-connector which is connected to the housing through an adapter cable. A sync signal separating circuit is embedded in the housing, and a power of the circuit is supplied from the color display monitor through D sub-connector. Since the color display monitor need not have a special sync signal separating circuit for supporting an SOG signal mode, power consumption and manufacturing price can be reduced. And, a conventional color display monitor can be used in a color display apparatus of the SOG signal mode.
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