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    2.
    发明专利
    未知

    公开(公告)号：BR8804885A

    公开(公告)日：1989-04-25

    申请号：BR8804885

    申请日：1988-09-21

    Applicant: IBM

    Inventor： LEONARD ANNE GREGORY ,  VERBURG RICHARD LEE

    IPC: G09G5/24 ,  G06F3/153 ,  G09G1/00 ,  G09G5/22 ,  G06F15/62

    Abstract: A data processing system processes a data stream based on the structure of a font file which can be varied by a user or application of the processing system. The font file not only contains the pel patterns for a range of graphical symbols, but it also contains the rules for interpreting a data stream having a particular syntax. The rules for interpreting a data stream are referred to as the processing model for the data stream. The structure of the font file contains an index array to the range of graphical symbols. Each byte in the data stream is used to generate an index into the index array. In each element of the index array there is a value and control bits. The control bits indicate whether the value is an offset to a graphical symbol or whether the value is a modifier. If the value is a modifier, it is used to increment the next sequential data byte in the data stream through the range of graphical symbols. The modifiers can be use recursively to access an unlimited number of graphical symbols.

    3.
    发明专利
    未知

    公开(公告)号：DE3855063D1

    公开(公告)日：1996-04-11

    申请号：DE3855063

    申请日：1988-08-11

    Applicant: IBM

    Inventor： LEONARD ANNE GREGORY ,  VERBURG RICHARD LEE

    IPC: G09G5/24 ,  G06F3/153 ,  G09G1/00 ,  G09G5/22

    Abstract: A data processing system processes a data stream based on the structure of a font file which can be varied by a user or application of the processing system. The font file not only contains the pel patterns for a range of graphical symbols, but it also contains the rules for interpreting a data stream having a particular syntax. The rules for interpreting a data stream are referred to as the processing model for the data stream. The structure of the font file contains an index array to the range of graphical symbols. Each byte in the data stream is used to generate an index into the index array. In each element of the index array there is a value and control bits. The control bits indicate whether the value is an offset to a graphical symbol or whether the value is a modifier. If the value is a modifier, it is used to increment the next sequential data byte in the data stream through the range of graphical symbols. The modifiers can be use recursively to access an unlimited number of graphical symbols.

    4.
    发明专利
    未知

    公开(公告)号：DE3855063T2

    公开(公告)日：1996-10-02

    申请号：DE3855063

    申请日：1988-08-11

    Applicant: IBM

    Inventor： LEONARD ANNE GREGORY ,  VERBURG RICHARD LEE

    IPC: G09G5/24 ,  G06F3/153 ,  G09G1/00 ,  G09G5/22

    Abstract: A data processing system processes a data stream based on the structure of a font file which can be varied by a user or application of the processing system. The font file not only contains the pel patterns for a range of graphical symbols, but it also contains the rules for interpreting a data stream having a particular syntax. The rules for interpreting a data stream are referred to as the processing model for the data stream. The structure of the font file contains an index array to the range of graphical symbols. Each byte in the data stream is used to generate an index into the index array. In each element of the index array there is a value and control bits. The control bits indicate whether the value is an offset to a graphical symbol or whether the value is a modifier. If the value is a modifier, it is used to increment the next sequential data byte in the data stream through the range of graphical symbols. The modifiers can be use recursively to access an unlimited number of graphical symbols.

    5.
    发明专利
    未知

    公开(公告)号：DE3774283D1

    公开(公告)日：1991-12-12

    申请号：DE3774283

    申请日：1987-01-15

    Applicant: IBM

    Inventor： BEAUREGARD GARY MICHAEL ,  BOHRER KATHRYN ANN ,  LEONARD ANNE GREGORY

    IPC: G06F3/023 ,  H03M11/04 ,  H03M11/14 ,  H03M11/16 ,  H03M11/22

    Abstract: The apparatus for entering information comprises a sequence of predetermined characters into an information processing system by means of a keyboard (12) having a number of keys, selected ones of which have a number of operating states. A device enters into the system code point, designation signals each representing a selected character in response to operating a corresponding key and code page designation signals each representing a keyboard operating state. The device for entering comprises a device (10,11,16,17) for entering only a code point designation signal when the associated character is in the same code page as the previous character in the sequence. Both a code page designation signal and a code point designation signal are entered when the code page of the previous character in the sequence is different.

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