Display control apparatus for converting color/monochromatic CRT gradation into flat panel display gradation

A display control apparatus in a system which is equipped with a flat panel display (FPD) unit for performing an n-level gradation display and which can optionally be connected to a monochromatic CRT display unit for performing an m-level (m>n) gradation display, the display control apparatus comprising:

• CRT palette means for storing monochromatic CRT display unit gradation data;
• FPD palette means for storing FPD unit gradation data;
• and
• FPD unit gradation data generating means, coupled to the CRT palette means and the FPD palette means, for generating the FPD unit gradation data from said monochromatic CRT display unit gradation data stored in said CRT palette means and for outputting the FPD unit gradation data to update said FPD palette means in response to a change in the monochromatic CRT display unit gradation data stored in the CRT palette means.

A display control apparatus in a system having a flat panel display (FPD) unit, the display control apparatus comprising:

• CRT palette means for storing CRT display unit color data;
• FPD palette means for storing FPD unit gradation data;
• and
• FPD unit gradation data generating means, coupled to said CRT palette means and said FPD palette means, for generating the FPD unit gradation data from the CRT display unit color data stored in said CRT palette means and for outputting the FPD unit gradation data to update said FPD palette means in response to a change in the CRT display unit color data stored in the CRT palette means.

A display control apparatus in a system which is equipped with a flat panel display (FPD) unit as a standard I/O device for performing an n-level gradation display and which can optionally be connected to a color CRT display unit for performing an m-color (m>n) display, the display control apparatus comprising:

• CRT palette means for storing color CRT display unit color data;
• FPD palette means for storing FPD unit gradation data;
• and
• FPD unit gradation data generating means, coupled to said CRT palette means and said FPD palette means, for generating the FPD unit gradation data from the color CRT display unit color data stored in said CRT palette means and for outputting the FPD unit gradation data to update said FPD palette means in response to a change in the color CRT display unit color data stored in the CRT palette means.

A display control apparatus in a system which includes a flat panel display (FPD) unit as a standard I/O device for performing an n-level gradation display and which can arbitrarily be connected to one of a monochromatic CRT display unit or a color CRT display unit for performing an m-level (m>n) gradation display, the display control apparatus comprising:

• CRT palette means for storing monochromatic CRT display unit gradation data and color CRT display unit color data;
• FPD palette means for storing FPD unit gradation data;
• arithmetic means for performing a predetermined arithmetic operation on the color CRT display unit color data stored in said CRT palette means and for outputting a gradation parameter;
• selecting means, coupled to the arithmetic means and the CRT palette means, for receiving one of the monochromatic CRT display unit gradation data from said CRT palette means and the gradation parameter from said arithmetic means, and for outputting a selected data corresponding to the received monochromatic CRT display unit gradation data when said monochromatic CRT display unit is connected, and corresponding to the received gradation parameter when said color CRT display unit is connected;
• and
• FPD unit gradation data generating means, coupled to the selecting means, and the FPD palette means, for generating the FPD unit gradation data on the basis of the selected data output from said selecting means, and for outputting the FPD unit gradation data to update said FPD palette means in response to a change in the monochromatic CRT display unit gradation data and the color CRT display unit color data stored in the CRT palette means.

A display control large scale integrated (LSI) circuit constituted by highly integrated semiconductor elements, comprising:

• a CRT palette for storing one of monochromatic CRT display unit gradation data and color CRT display unit color data;
• a FPD palette for storing flat panel display (FPD) unit gradation data;
• arithmetic means for performing a predetermined arithmetic operation on the color CRT display unit color data stored in said CRT palette and for outputting a gradation parameter;
• selecting means, coupled to said CRT palette and said arithmetic means, for receiving one of the monochromatic CRT display unit gradation data from said CRT palette and the gradation parameter from said arithmetic means, and for outputting the monochromatic CRT display unit gradation data when said monochromatic CRT display unit is connected, and for outputting the gradation parameter when said color CRT display unit is connected;
• conversion means for storing a correspondence between the FPD unit gradation data and one of the monochromatic CRT display unit gradation data stored in said CRT palette and the gradation parameter from said arithmetic means, and for outputting the FPD unit gradation data on the basis a change in one of the monochromatic CRT display unit gradation data and the gradation parameter output from said selecting means;
• first output means for outputting one of the monochromatic CRT display unit gradation data and the color CRT display unit color data stored in said CRT palette;
• and
• second output means for outputting the FPD unit gradation data stored in said FPD palette.

A display control apparatus in a system having a flat panel display (FPD) unit, the display control apparatus comprising:

• CRT palette means for storing CRT display unit gradation data;
• FPD palette means for storing FPD unit gradation data;
• and
• FPD unit gradation data generating means, coupled to the FPD palette means, for generating the FPD unit gradation data from the CRT display unit gradation data stored in said CRT palette means and for outputting the FPD unit gradation data to update said FPD palette means in response to a change in the CRT display unit gradation data stored in the CRT palette means.

A display control apparatus in a system which is equipped with a flat panel display unit for performing an n-level gradation display and which can optionally be connected to a monochromatic CRT display unit for performing an m-level (m>n) gradation display, the display control apparatus comprising:

• CRT palette means for storing monochromatic CRT display unit gradation data;
• FPD palette means for storing FPD unit gradation data;
• and
• FPD unit gradation data generating means, coupled to the FPD palette means, for generating the FPD unit gradation data from said monochromatic CRT display unit gradation data to be stored in said CRT palette means and for outputting the FPD unit gradation data to update said FPD palette means in response to a change in the monochromatic CRT display unit gradation data stored in the CRT palette means.

A display control apparatus in a system having a flat panel display (FPD) unit, the display control apparatus comprising:

• CRT palette means for storing CRT display unit color data;
• FPD palette means for storing FPD unit gradation data;
• and
• FPD unit gradation data generating means, coupled to said FPD palette means, for generating the FPD unit gradation data from the CRT display unit color data to be stored in said CRT palette means and for outputting the FPD unit gradation data to update said FPD palette means in response to a change in the CRT display unit color data stored in the CRT palette means.

A display control apparatus in a system which is equipped with a flat panel display (FPD) unit as a standard I/O device for performing an n-level gradation display and which can arbitrarily be connected to a color CRT display unit for performing an m-color (m>n) display, the display control apparatus comprising:

• CRT palette means for storing color CRT display unit color data;
• FPD palette means for storing FPD unit gradation data;
• and
• FPD unit gradation data generating means, coupled to said FPD palette means, for generating the FPD unit gradation data from the color CRT display unit color data to be stored in said CRT palette means and for outputting the FPD unit gradation data to update said FPD palette means in response to a change in the color CRT display unit color data stored in the CRT palette means.

A display control apparatus in a system which includes a flat panel display (FPD) unit as a standard I/O device for performing an n-level gradation display and which can arbitrarily be connected to one of a monochromatic CRT display unit and a color CRT display unit for performing an m-level (m>n) gradation display, comprising:

• CRT palette means for storing monochromatic CRT display unit gradation data and color CRT display unit color data;
• FPD palette means for storing FPD unit gradation data;
• arithmetic means for performing a predetermined arithmetic operation on the color CRT display unit color data stored in said CRT palette means and for outputting a gradation parameter;
• selecting means, coupled to the arithmetic means and the CRT palette means, for receiving one of the monochromatic CRT display unit gradation data from said CRT palette means and the gradation parameter from said arithmetic means, and for outputting a selected data corresponding to the received monochromatic CRT display unit gradation data when said monochromatic CRT display unit is connected, and corresponding to the received gradation parameter when said color CRT display unit is connected;
• and
• FPD unit gradation data generating means, coupled to the selecting means and the FPD palette means, for generating the FPD unit gradation data on the basis of the selected data output from said selecting means, and for outputting the FPD unit gradation data to update said FPD palette means in response to a change in the monochromatic CRT display unit gradation and the color CRT display unit color data stored in the CRT palette means.

A display control apparatus in a system having a flat panel display (FPD) unit, the display control apparatus comprising:

• a CRT palette for storing CRT display unit data;
• a FPD palette for storing flat panel display (FPD) unit gradation data;
• arithmetic means for performing a predetermined arithmetic operation on the CRT display unit data stored in said CRT palette and for outputting a gradation parameter;
• and
• conversion table means for storing a correspondence between the FPD unit gradation data and the gradation parameter from said arithmetic means, and for outputting the FPD unit gradation data in accordance with the gradation parameter output from said arithmetic means.

A display control apparatus in a system having a flat panel display (FPD) unit, the display control apparatus comprising:

• a CRT palette for storing CRT display unit data;
• arithmetic means for performing a predetermined arithmetic operation on the CRT display unit data stored in said CRT palette and for outputting gradation data;
• and
• an FPD palette for storing the gradation data from the arithmetic means as updated gradation data in response to a change in the CRT display unit data stored in the CRT palette.