专利汇可以提供Display system专利检索,专利查询,专利分析的服务。并且PURPOSE: To expand the market as a presentation tool by constituting the system so that while operating a screen by using a computer, such an application as presents its screen to other person, for instance, only information required for presentation is presented to other person.
CONSTITUTION: It is confirmed that a transfer controller 10 is not in operation by a software, and a register contained therein is accessed. Subsequently, by designating a first transfer mode, whether data in a transfer mode is a coordinate on a display or a memory address is designated, and a range of a transfer destination is designated. Finally, the following operating instruction is given to the device 10. That is, by a software, by only designating a parameter, a CRT 1 and a CRT 2 for constituting two displays 7 are allowed to execute different displays, and in accordance with a range instruction, one of VRAMs 1, 2 for the CRTs 1, 2 is operated. In this case, when it is necessary to execute compressing/expanding of data, it is calculated by an arithmetic part 1, and one of the VRAMs 1, 2 is operated.
COPYRIGHT: (C)1992,JPO&Japio,下面是Display system专利的具体信息内容。
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