A split-screen system and implementation method transmitted through HDMI

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By using an HDMI signal processing unit to segment the HDMI video signal into independent areas for the left and right eyes, and combining this with a MIPI signal link to drive the screen, the problem of inverted and misaligned facial expressions for the left and right eyes on the robot's display screen is solved, improving the accuracy and user experience of the display interaction.

CN122457732APending Publication Date: 2026-07-24SHANGHAI HUAERSHENG IND GRP CO LTD

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2026-05-20
Publication Date: 2026-07-24

Application Information

Patent Timeline

20 May 2026

Application

24 Jul 2026

Publication

CN122457732A

IPC: H04N7/01

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Application Domain

Standards conversion

Technology Topics

HDMI Transformation unit

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AI Technical Summary

Technical Problem

Existing robot display screens are prone to displaying inverted or misaligned facial expressions in the left and right eyes, resulting in a poor user experience.

Method used

An HDMI signal processing unit is used to cut an HDMI video signal into independent display areas for the left and right eyes, and drive the corresponding screens through independent MIPI signal links. The main control unit performs initialization configuration and status control to ensure correct image output.

Benefits of technology

It effectively eliminates the problem of reversed and misaligned facial expressions, improving the interactive accuracy and user experience of the robot's facial display.

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Abstract

The application relates to a split screen system and an implementation method for HDMI transmission, which comprises an input module for receiving one HDMI video signal, an HDMI signal processing unit, a master control unit, a first signal conversion unit, a second signal conversion unit and a power module. The HDMI signal processing unit is electrically connected with the input module. The master control unit is bidirectionally connected with the HDMI signal processing unit through an interrupt signal line, a reset signal line and a communication signal line. The first signal conversion unit is electrically connected with a first output end of the HDMI signal processing unit. The second signal conversion unit is electrically connected with a second output end of the HDMI signal processing unit. The power module is used for supplying power to the HDMI signal processing unit, the master control module, the first signal conversion unit and the second signal conversion unit. One complete HDMI video signal is actively cut by the HDMI signal processing unit into two independent display areas corresponding to left eyes and right eyes, and the two independent display areas are respectively driven to corresponding screens through two independent HDMI outputs and subsequent MIPI signal conversion links. The master control unit is used for configuring and state managing the signal processing unit.

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