| 摘要 |
PCT No. PCT/JP91/01589 Sec. 371 Date Jul. 17, 1992 Sec. 102(e) Date Jul. 17, 1992 PCT Filed Nov. 19, 1991 PCT Pub. No. WO92/09026 PCT Pub. Date May 29, 1992.A docking system comprising a first detecting element 13 which detects combination states of a personal computer 2 and a station 1. A second detecting element 14 is provided which detects a separation of the personal computer 2 from the station 1. The docking system also includes a combination holding element for holding a combination state of the personal computer side connector 33 and the station side connector 12. Furthermore, the docking system includes a switching element 32 for switching the personal computer side electric power source 39 to the station side electric power source 18. A third detecting element 34 is provided which detects placement of the personal computer 2 on the station 1. A control unit is provided which has three functions. First, it cuts the personal computer side electric power source 39 after performing backup processing of an execution program under a first set of predetermined conditions. Second, it supplies electric power from the station side electric power source 18 to the personal computer 2 by switching element 32 under a second set of predetermined conditions. Third, it cuts the electric power source under a third set of predetermined conditions. Each set of conditions is determined by the detecting elements.
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