Image display system and method for increasing a data volume of a control signal thereof

A method for increasing a data volume of a control signal applied to an image display system, the image display system comprises an analog image transmitting device configured to output an analog image signal, an analog image receiving device configured to receive the analog image signal and output a digital control signal to the analog image transmitting device, and a coaxial cable connected to the analog image transmitting device and the analog image receiving device, timing sequence of a signal on the coaxial cable includes a vertical synchronization signal interval, a digital control signal interval, and an analog image interval during transmitting a frame of analog image, and the method comprises the steps of:

• arranging a first additional control signal interval in the vertical synchronization signal interval without changing a time length of the vertical synchronization signal interval;
• and
• arranging a second additional control signal interval in a horizontal synchronization signal interval of the analog image interval without changing a time length of the horizontal synchronization signal interval;
• wherein the vertical synchronization signal interval includes a post-equalizing pulse interval and a first additional control signal interval that follows after the post-equalizing pulse interval;
• wherein the first additional control signal interval is used to transmit the control signal;
• wherein the second additional control signal interval is used to transmit the control signal.

A method for increasing a data volume of a control signal applied to an image display system, the image display system comprises an analog image transmitting device configured to output an analog image signal, an analog image receiving device configured to receive the analog image signal and output a digital control signal to the analog image transmitting device, and a coaxial cable connected to the analog image transmitting device and the analog image receiving device, timing sequence of a signal on the coaxial cable includes a vertical synchronization signal interval, a digital control signal interval, and an analog image interval during transmitting a frame of analog image, and the method comprises the steps of:

• arranging a first additional control signal interval in the vertical synchronization signal interval without changing a time length of the vertical synchronization signal interval;
• wherein the vertical synchronization signal interval includes a post-equalizing pulse interval and a first additional control signal interval that follows after the post-equalizing pulse interval;
• wherein the first additional control signal interval is used to transmit the control signal;
• wherein a signal cycle of the control signal which is integral multiple of at least two pixel clocks.

A method for increasing a data volume of a control signal applied to an image display system, the image display system comprises an analog image transmitting device configured to output an analog image signal, an analog image receiving device configured to receive the analog image signal and output a digital control signal to the analog image transmitting device, and a coaxial cable connected to the analog image transmitting device and the analog image receiving device, timing sequence of a signal on the coaxial cable includes a vertical synchronization signal interval, a digital control signal interval, and an analog image interval during transmitting a frame of analog image, and the method comprises the steps of:

• arranging a first additional control signal interval in the vertical synchronization signal interval without changing a time length of the vertical synchronization signal interval;
• wherein the vertical synchronization signal interval includes a post-equalizing pulse interval and a first additional control signal interval that follows after the post-equalizing pulse interval;
• wherein the first additional control signal interval is used to transmit the control signal;
• wherein a duty cycle of each signal cycle of the control signal represents encoding data transmitted during the each signal cycle, and at least two bits is transmitted during the each signal cycle of the control signal.

A method for increasing a data volume of a control signal applied to an image display system, the image display system comprises an analog image transmitting device configured to output an analog image signal, an analog image receiving device configured to receive the analog image signal and output a digital control signal to the analog image transmitting device, and a coaxial cable connected to the analog image transmitting device and the analog image receiving device, timing sequence of a signal on the coaxial cable includes a vertical synchronization signal interval, a digital control signal interval, and an analog image interval during transmitting a frame of analog image, and the method comprises the steps of:

• arranging a first additional control signal interval in the vertical synchronization signal interval without changing a time length of the vertical synchronization signal interval;
• wherein the vertical synchronization signal interval includes a post-equalizing pulse interval and a first additional control signal interval that follows after the post-equalizing pulse interval;
• wherein the first additional control signal interval is used to transmit the control signal;
• wherein the analog image receiving device outputs the control signal to the analog image transmitting device when the analog image transmitting device outputs the analog image signal to the analog image receiving device.