System and method for determining the connection state of...

Details System and method for determining the connection state of... System and method for determining the connection state of...

2000-07-04

2010-02-23

Cleary, Thomas J (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Protocol

C710S015000, C710S019000, C710S105000

Reexamination Certificate

active

07668993

ABSTRACT:
Detecting an input source of a signal of a device connected to a bus and determining whether the signal is converted, extracted, multiplexed, or processed. Efficiently controlling the connection of each unit connected on the bus. Issuing a command for detecting the output plug or source plug as the signal source. The unit or subunit receiving this command shows the signal source. Obtaining information showing whether a subunit is present in the unit or not.

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