| 摘要 |
An interface, for serial data communication between a host and a connected peripheral during a session, comprising: contacts including a power signal contact for supplying power from the connected host to the connected peripheral and at least one data signal contact for serially communicating data between the connected host and connected peripheral; and means configured to periodically check the connection between host and peripheral comprising: transmission means configured to repeatedly send a poll signal via the power signal contact; and reception means configured to receive a reply signal via one of the contacts |
