公开(公告)号：JPH09269848A

公开(公告)日：1997-10-14

申请号：JP7366996

申请日：1996-03-28

Applicant: IBM

Inventor： MAEDA KAZUHIKO ,  YANAGISAWA TAKASHI ,  KOBAYASHI MASAKI ,  NOKIMURA TAKETOSHI

IPC: G06F1/16

Abstract: PROBLEM TO BE SOLVED: To protect a portable computer and the peripheral equipments, which correspond to a use mode that a user selects, by specifying the combination of a key position and a protection means. SOLUTION: A security key 213 provided at the back of the left side of a docking device 200 has three key positions. At the time of a single user mode, the removal of the notebook computer 100 is inhibited and the extraction of PC cards from a PC card slot 118 and a PC card slot 331 below the docking device is inhibited at a locking position. At the time of a multi user mode, the PC cards cannot freely be installed on the PC card slot 331 and the removal is protected in an ejecting position and an unlocking position.

公开(公告)号：JPS60148279A

公开(公告)日：1985-08-05

申请号：JP24562283

申请日：1983-12-28

Applicant: IBM

Inventor： ITOU MASAHARU ,  YANAGISAWA HIROSHI ,  NOKIMURA TAKETOSHI

IPC: G06T9/00 ,  H04N1/00 ,  H04N1/32 ,  H04N1/40 ,  H04N1/417

公开(公告)号：JPH09230959A

公开(公告)日：1997-09-05

申请号：JP3169996

申请日：1996-02-20

Applicant: IBM

Inventor： YANAGISAWA TAKASHI ,  MAEDA KAZUHIKO ,  NOKIMURA TAKETOSHI

IPC: G06F1/16 ,  G06F3/00

Abstract: PROBLEM TO BE SOLVED: To extend the various kinds of functions of a portable computer by providing a first docking device which is possible to be mechanically combined with a portable computer and has a connector and a second docking device which is possible to be mechanically combined with this first docking device and has the connector. SOLUTION: A first docking device 200 is provided with a first connector 221 which is possible to be mechanically combined and separated with/from a notebook computer 100, physically fits to the docking connector 130 on the side of the notebook computer 100 and matches in an electric specification. A second docking device 300 is provided with a third connector 321 which physically fits to the second connector 222 on the side of a second docking device 200 and matches in the electric specification. The second docking device 300 supplements the parts in which needs between respective users are not made common so much of the functions requested to a docking station.

公开(公告)号：JPS623372A

公开(公告)日：1987-01-09

申请号：JP13926785

申请日：1985-06-27

Applicant: IBM

Inventor： SUZUKI HISASHI ,  YANAGISAWA HIROSHI ,  NOKIMURA TAKETOSHI

IPC: G06T3/40 ,  H04N1/393