Projection display apparatus
AssigneeCanon Kabushiki Kaisha
InventorYuichi Ishiwata
Life of this patent
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Abstract
A projection display apparatus includes a plurality of display units. A control unit controls images generated by the plurality of display units. An optical filter can be inserted to and removed from an optical path. A storage unit stores plural kinds of correction data for each display unit so that correction data can be selected depending on insertion/removal of the optical filter. The control unit selects specific data from the plural kinds of correction data, for each display unit, depending on insertion/removal of the optical filter and controls each display unit based on the selected data.
Claims8
A projection display apparatus comprising:
- a plurality of display units;
- a control unit configured to control images generated by the plurality of display units;
- an optical filter configured to be inserted to and removed from an optical path;
- and
- a storage unit configured to store plural kinds of correction data for each display unit so that correction data can be selected depending on insertion/removal of the optical filter,
- wherein the control unit is configured to select specific data from the plural kinds of correction data, for each display unit, depending on insertion/removal of the optical filter and to control each display unit based on the selected data.
A projection display apparatus comprising:
- a plurality of display units;
- a control unit configured to control images generated by the plurality of display units;
- a storage unit configured to store plural kinds of color unevenness correction data for each display unit so that correction data can be selected depending on a display mode,
- wherein the control unit is configured to select specific data from the plural kinds of correction data, for each display unit, depending on the display mode and to control each display unit based on the selected data.
A method for controlling a projection display apparatus comprising a plurality of display units, an optical filter configured to be inserted to and removed from an optical path, and a storage unit configured to store plural kinds of correction data for each display unit, the method comprising:
- selecting specific data from the plural kinds of correction data, for each display unit, depending on insertion/removal of the optical filter;
- and
- controlling each display unit based on the selected data.
A method for controlling a projection display apparatus comprising a plurality of display units and a storage unit configured to store plural kinds of color unevenness correction data for each display unit, the method comprising:
- selecting specific data from the plural kinds of correction data, for each display unit, depending on a display mode;
- and
- controlling each display unit based on the selected data.
A storage medium for storing program code readable and executable by a computer for controlling a projection display apparatus comprising a plurality of display units, an optical filter configured to be inserted to and removed from an optical path, and a storage unit configured to store plural kinds of correction data for each display unit, the program code comprising:
- computer-executable instructions for selecting specific data from the plural kinds of correction data, for each display unit, depending on insertion/removal of the optical filter;
- and
- computer-executable instructions for controlling each display unit based on the selected data.
A storage medium for storing program code readable and executable by a computer for controlling a projection display apparatus comprising a plurality of display units and a storage unit configured to store plural kinds of color unevenness correction data for each display unit, the program code comprising:
- computer-executable instructions for selecting specific data from the plural kinds of correction data, for each display unit, depending on a display mode;
- and
- computer-executable instructions for controlling each display unit based on the selected data.
Dependencies are inferred from the claim text.