Patent ID: 11877368
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Optics (Instruments)
Classification: CPC G  H | IPC G  H

Claim 17:
18. The optical source switching method according to claim 9, wherein the detecting, by the optical device, that at least one of the one or more second optical sources fails further comprises:
determining that at least one of the one or more second optical sources fails when the optical device detects that a current of the at least one second optical source that failed is less than a preset current threshold; or
determining that at least one of the one or more second optical sources fails when an optical detector is disposed on a back side of the at least one second optical source that failed and the optical device detects that optical power of optical energy output by the optical detector connected to the at least one second optical source that failed is less than a preset power threshold.