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专利名称：HORIZONTALSCROLLINGCIRCUIT

发明人：NAKAHIGASHIHIDETO,TAKANO

SHIGERU,KONDOTOMOJI

申请号：JP4709991

申请日：19910313

公开号：JPH04283794A

公开日：19921008

专利内容由知识产权出版社提供

摘要：PURPOSE:Toscrollrespectivescreendataindependentlyevenatthetimeofa

multiple-screendisplaywherepluralindependentimagedataaredisplayedonone

TUTION:Thehorizontalscrollpositionsoftherespectiveimagedataare

tinhorizontalscrollregisters1-4whicharearrangedasmanyasthenumberof

screens,andimagedatareadoutoranimagememoryareshiftedbyshiftregisters11-

25,installedbyprovidingconventionalshiftregistersbythenumberofhorizontal

screens,accordingtoadisplayclock;andthehorizontalscrollregisters1-4andthefetch

positionsofdatafromtheoutputsoftheshiftregisters11-25areswitchedbyswitching

circuits6and26byusingpulsgeneratedbyascreenswitchingpulgeneratingcircuit

6andwhenthereisanoutputfromadecodingcircuit7whichdecodestheoutputofthe

switchingcircuit6intoanumberindicatingahorizontalscrollposition,theshiftregister

outputfromtheswitchingcircuit26isledoutofanANDgate27.

申请人：MATSUSHITAELECTRICINDCOLTD

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