Display control apparatus
Patent 5977945 Issued on November 2, 1999. Estimated Expiration Date: 
September 25, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 25, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSystem for displaying overlapping pages of information Method of driving optical modulation device using ferroelectric liquid crystal Ferro-electric liquid crystal electro-optical device Liquid crystal apparatus Display apparatus including partial rewritting means for moving image display Patent #: 5091723 InventorAssigneeApplicationNo. 936997 filed on 09/25/1997US Classes:345/100, Particular row or column control (e.g., shift register)345/97, Ferroelectric liquid crystal elements345/545Frame bufferExaminersPrimary: Chow, Dennis-DoonAttorney, Agent or FirmForeign Patent References
International ClassG09G 003/36Foreign Application Priority Data1991-09-18 JPAbstractA display control apparatus includes display device driver means for writing image information into a frame buffer, and display scanning means for sequentially displaying the image data stored in the frame buffer for each line of the display. The display control apparatus further includes partially rewritten line determination means for obtaining from the display device driver means information regarding lines to be written into the frame buffer, and generating in accordance therewith the lines for which the display is to be scanned, and display scan line control means for obtaining from the partially rewritten line determination means lines to be scanned to specify such lines for the display scanning means.Field of SearchLiquid crystal display elements (LCD)Ferroelectric liquid crystal elements Specific display element control means (e.g., latches, memories, logic) Particular timing circuit Particular row or column control (e.g., shift register) Display elements arranged in matrix (e.g., rows and columns) Scanning circuit Interlacing | |
