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1. 发明专利

JPH06274307A SCREEN DISPLAY SYSTEM 失效
公开(公告)号：JPH06274307A
公开(公告)日：1994-09-30
申请号：JP5859993
申请日：1993-03-18
申请人： HITACHI LTD
发明人： TADA HAJIME
IPC分类号： G06F3/153 , G06F3/14 , G06F17/21 , G06T11/00 , G06F15/20
摘要： PURPOSE:To rotate a whole document with a character erected as it is and to execute display which is easily viewed without executing extreme reduction display and partial display at the time of displaying a mixed mode document on a screen. CONSTITUTION:The document having character data A, character data B including ruled-line,' image data C and graphic data D, which is shown as the original 401, is screen-rotated with the character erected as it is. In such a case, the display positions of the display areas of respective pieces of data A-D constituting the document are converted, are address-rotated and are reconstructed on a screen buffer as shown in 402 by a logical rotation processing. Then, data except for the character are rotation-processed and edited to be shown as 403 by the allocation processing of data except for the character. Finally, character data is left erected and is edited as shown in 404 by the allocation processing of character data.

2. 发明专利

JPH04192076A DOCUMENT PROCESSING SYSTEM 失效
公开(公告)号：JPH04192076A
公开(公告)日：1992-07-10
申请号：JP32402390
申请日：1990-11-27
申请人： HITACHI LTD
发明人： AZUMA AKIO , TADA HAJIME , IINO TOSHIAKI
IPC分类号： G06F17/30
摘要： PURPOSE:To miniaturize a system and to reduce the cost by sharing a processing mechanism for bit operation, of which the large volume is generated, between image processing and retrieval processing of documents or the like. CONSTITUTION:An image data processing mechanism 11 has a function for conversion from raster-form image data to a bit string and the inverse conversion, and a document retrieval processing mechanism 12 has a function for conversion from document code information of a retrieval keyword and a document related to it to a bit string and the inverse conversion. A bit string arithmetic processing mechanism 13 performs inter-bit OR operation or AND operation between two bit string data, bit inverting operation in one bit string, or the like and is shared between the image data processing mechanism 11 and the document retrieval processing mechanism 12. Thus, the system constitution is miniaturized, and the cost is reduced.

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