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    HERMETICALLY SEALED DISK FILE
    15.
    发明专利
    HERMETICALLY SEALED DISK FILE 未知

    公开(公告)号：CA1209257A

    公开(公告)日：1986-08-05

    申请号：CA491927

    申请日：1985-10-01

    Applicant: IBM

    Inventor： TRESEDER ROBERT C ,  SAVARESE THOMAS G

    IPC: G11B33/12 ,  G11B19/20 ,  G11B23/03 ,  G11B25/04 ,  G11B33/14

    Abstract: IMPROVED HERMETICALLY SEALED DISK FILE An improved hermetically sealed disk file is disclosed in which the axis of rotation of the disk spindle and the longitudinal axis of a surrounding cylindrical housing are positioned transverse to one another so that cross-sectional diameter of the housing need be only slightly larger than that of the disks mounted on the spindle. See Figure 2.

    PRINTER WITH DUPLEX PRINTED SHEET OUTPUT
    16.
    发明专利
    PRINTER WITH DUPLEX PRINTED SHEET OUTPUT 未知

    公开(公告)号：CA1129480A

    公开(公告)日：1982-08-10

    申请号：CA339627

    申请日：1979-11-13

    Applicant: IBM

    Inventor： TRESEDER ROBERT C

    IPC: G03B27/32 ,  B65H1/30 ,  B65H29/24 ,  B65H29/58 ,  B65H83/00 ,  G03G15/00 ,  G03G15/22 ,  G03G15/23 ,  G06K15/16 ,  B65H29/00

    Abstract: PRINTER WITH DUPLEX PRINTED SHEET OUTPUT Printing apparatus for producing collated sets of duplex printed sheets. The apparatus comprises an input sheet feed path for feeding sheets to an electrophotographic imaging apparatus to print one side of a print sheet and an output sheet feed path to feed the sheet from the imaging apparatus to an output stacker. A duplexing sheet feed path can be selectively actuated to divert the sheet from the output path to flip the sheet as the sheet is continuously fed back to the input sheet feed path to print the image on the other side of the sheet. The apparatus is designed to print a plurality of sheet sizes by selective control of pressure and vacuum forces. SA978049

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