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    Selection system
    1.
    发明授权
    Selection system 失效
    选择系统

    公开(公告)号：US3748976A

    公开(公告)日：1973-07-31

    申请号：US3748976D

    申请日：1971-06-30

    Applicant: IBM

    Inventor： FOWLER R ,  HEARD R

    IPC: B41B21/04 ,  B41B21/26

    CPC classification number: B41B21/04

    Abstract: Information items are selected by permutative positioning of a group of adjacent two-position slide members. The slide members are characterized by their compact arrangement of blocking and passing code portions which cooperate with both of two adjacent information transmission channels. The compactness of the system, achieved by the code portion arrangement, is accompanied by some loss in code set efficiency as to the number of outputs selectable from a permutation of a given order; however, certain unique and repetitive patterns exist by which reasonable efficiency can be achieved.

    Proportional space character display including uniform character expansion
    2.
    发明授权
    Proportional space character display including uniform character expansion 失效
    比例空格字符显示，包括均匀字符扩展

    公开(公告)号：US3729714A

    公开(公告)日：1973-04-24

    申请号：US3729714D

    申请日：1971-06-23

    Applicant: IBM

    Inventor： HEARD R

    IPC: G09G1/18 ,  G09G5/24 ,  G06F3/14

    CPC classification number: G09G5/243 ,  G09G1/18

    Abstract: A system for uniformally expanding a proportionally spaced character display in order to properly align the smallest characters of the character set without affecting the proportional relationship of the characters in the character set. An extra vertical scan line is added to the displayed characters at an escapement increment determined by the character of the character set requiring the greatest proportion of scan line expansion per character width in order to achieve proper character definition. Those characters requiring an additional unit of escapement to be properly defined utilize the added vertical scan lines and excess added vertical scan lines are distributed in the ''''white space'''' between characters. The added display columns have the same affect as increasing the number of scans per unit of character escapement.

    Abstract translation: 一种用于均匀地扩展比例间隔字符显示的系统，以便正确对齐字符集的最小字符而不影响字符集中的字符的比例关系。 为了实现适当的字符定义，需要以每个字符宽度需要最大扫描线扩展比例的字符集的字符确定的擒纵增量添加额外的垂直扫描线。 需要额外的擒纵机构要适当定义的那些字符使用所添加的垂直扫描线，并且多余的垂直扫描线分布在字符之间的“空格”中。 添加的显示列与增加单位字符擒纵机构的扫描次数具有相同的影响。

    3.
    发明专利
    未知

    公开(公告)号：SE365884B

    公开(公告)日：1974-04-01

    申请号：SE614069

    申请日：1969-04-29

    Applicant: IBM

    Inventor： DAVIS W ,  HEARD R

    IPC: B41J21/00 ,  B41B27/00 ,  B41B27/10 ,  G06F3/12 ,  G06F17/21 ,  G06K3/00

    Abstract: 1,250,835. Justifying type. INTERNATIONAL BUSINESS MACHINES CORP. 10 April, 1969 [29 April, 1968], No. 18417/69. Heading B6W. Apparatus for justifying lines of text of different predetermined lengths, by punching a tape to control a line-casting machine and also producing a printed copy of the text, includes means for reading an original tape, input storage means for the data (character identity, character width and spaces) associated with a line, means for storing a plurality of line length measures and selecting one of such measures (e.g. 1 column or ¢ column), means for computing the unjustified total width of the characters in a line, according to which total the requisite measure is selected, means for counting the number of spaces, means for calculating the width of the spaces in a justified line, and means for transferring the data to output means for transmission to the punches and the printer.

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