Invention Grant
- Patent Title: Techniques to overcome communication lag between terminals performing video mirroring and annotation operations
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Application No.: US15495095Application Date: 2017-04-24
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Publication No.: US11206371B2Publication Date: 2021-12-21
- Inventor: Chris Y. Chung , Dazhong Zhang , Hsi-Jung Wu , Xiaosong Zhou
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: BakerHostetler
- Main IPC: H04N7/14
- IPC: H04N7/14 ; H04N7/15 ; H04L29/06 ; H04N21/242 ; H04N21/43 ; H04N5/14 ; G06F40/169 ; H04N19/136

Abstract:
Techniques are disclosed for overcoming communication lag between interactive operations among devices in a streaming session. According to the techniques, a first device streaming video content to a second device and an annotation is entered to a first frame being displayed at the second device, which is communicated back to the first device. Responsive to a communication that identifies the annotation, a first device may identify an element of video content from the first frame to which the annotation applies and determine whether the identified element is present in a second frame of video content currently displayed at the first terminal. If so, the first device may display the annotation with the second frame in a location where the identified element is present. If not, the first device may display the annotation via an alternate technique.
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