Patent ID: 11900616
Assignee: HANGZHOU TARO POSITIONING TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 5:
6. The method of claim 1,
wherein the light source is at least one selected from a group consisting of a local light emitter attached to the first element and a reflective region of the first element emitting an object-reflected light in response to a remote light emitter separate from the object,
wherein the pattern of local light change across the sequence of images is produced by at least one selected from a group consisting of the local light emitter, the remote light emitter, and a geometric reflection pattern of the reflective region, and
wherein the pattern of local light change comprises at least one selected from a group consisting of a light intensity change, a light wavelength change, a repetition rate of the light intensity change, and a repetition rate of the light wavelength change.