DATA TRANSMISSION METHOD AND ELECTRONIC DEVICE

DE602021031287T2Active Publication Date: 2025-05-21HUAWEI TECH CO LTD
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Patent Information

Application Number
DE602021031287
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2020-11-26
Filing Date
2021-11-25
Publication Date
2025-05-21
Estimated Expiration
2041-11-25

AI Technical Summary

Technical Problem

The increasing number of camera modules in electronic devices, such as smartphones and tablets, leads to a complex system integration issue due to the need for multiple MIPI differential signal lines and interfaces, which complicates the addition or removal of camera modules and hinders efficient data transmission.

Method used

A data transmission method where camera modules are connected in a cascade manner, with only one camera module needing to be connected directly to the processor, reducing the number of interfaces and signal lines, and allowing for easy addition or removal of modules by cascading new modules with existing ones.

Benefits of technology

This approach simplifies system integration by reducing the number of interfaces and signal lines required, facilitating the addition or removal of camera modules and improving data transmission efficiency.

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Abstract

This application provides a data transmission method and an electronic device. The method may be applied to an electronic device configured with a plurality of input devices (for example, camera modules). One uplink interface and one downlink interface are deployed on each input device of the electronic device. The uplink interface is connected to a processor or an upper-level input device, and the downlink interface is connected to a lower-level input device or is not connected. A processing module in each input device may process image data collected by the current-level device and data sent by a lower-level input device connected to a downlink interface, and then transmit processed data to the processor or an upper-level input device through an uplink interface. In this way, the plurality of input devices are connected in a cascade manner, and only one of the plurality of input devices needs to be connected to the processor. Therefore, a quantity of interfaces and a quantity of signal pins between the processor and the plurality of input devices are reduced. In addition, adding or subtracting an input device is easy to operate.
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