System, apparatus and control method for monitoring system changes within a network configuration
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United States of America Patent
Stats
-
May 1, 2007
Issued Date -
N/A
app pub date -
Mar 7, 2003
filing date -
Sep 29, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
For making a host computer automatically recognize a composite apparatus used with switching between functions thereof, the host 102 recognized whether a device is connected, based on a potential of cable data1. With switching between the functions of the apparatus, the device 100 temporarily stops supply of power to the cable data1 and restart the supply a predetermined time thereafter by R controller 205. When the supply of power is stopped, the host 102 assumes that the device is disconnected and deletes a driver for the device from a memory. When the supply of power is restarted thereafter, the host 102 recognizes the device 100 as a device having a new function, reads device information, and installs a driver suitable for the new device.
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