| 摘要 |
<p>There is disclosed a computer system providing remote access to a personal computer. The invention provides a computer system 5a comprising a computer 10a located in a first room 15a of a building, at least one input/output (I/O) device 55a located in a second room of a building and means for bidirectional communication between the computer and the at least one I/O device 55a. In a preferred embodiment the computer 10a is a personal computer, the building is a domestic residence and the communication means are at least partly wireless, and advantageously, comprise Infra Red (IR) 70 a or ultrasonic signalling means. The I/O device may comprise a portable display unit having either a touch sensitive screen or a track ball for data entry and an IR transceiver 75a. IR repeater transceiver units may be used and an IR level testing device is disclosed for ensuring a sufficient signal level for the remote access network.</p> |
