Touch Panel Control Unit Update via Host Controller Interface
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Solution Overview
Problem
Conventional touch panels in electronic devices are difficult to update without disassembly, requiring manual removal and reassembly for testing and adjustment, which is inefficient and time-consuming.
Innovation Solution
An electronic apparatus with a touch panel that includes a host controller, interface unit, and touch panel control unit, allowing for the transmission and decoding of updating data through an interface, enabling the updating of touch panel parameters and control flow without disassembly, by using a host controller to communicate with the touch panel control unit via an interface such as a serial or parallel interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the touch panel is disassembled for testing and adjustment, then the touch panel can be tested and adjusted manually, but the process is time-consuming and inefficient
Solution Approach 1:
The patent replaces manual mechanical disassembly and physical testing with an automated electronic interface system. The host controller communicates with the touch panel control unit through a standardized interface, transmitting test commands and retrieving sensing data electronically, thereby eliminating the need for physical disassembly while maintaining testing accuracy
Solution Approach 2:
The touch panel control unit is designed to autonomously respond to test commands from the host controller and self-diagnose its operational status. The system performs self-testing by processing test inputs through the interface unit and generating diagnostic outputs, reducing the need for manual intervention and accelerating the testing process
2Adaptability or versatility
If the touch panel is integrated into the electronic apparatus, then the apparatus functionality is improved, but the touch panel becomes difficult to update without disassembly
Solution Approach 1:
The patent separates the touch panel control unit from the main system architecture through a standardized interface unit, creating an independent updateable module. This segmentation allows the touch panel control unit to be accessed and updated electronically without requiring disassembly of the integrated apparatus, while maintaining full functionality when integrated
Solution Approach 2:
The interface unit is designed with universal communication capabilities that allow it to serve multiple functions: normal operational communication between the host controller and touch panel control unit, transmission of update data, and diagnostic data retrieval. This multi-functionality enables updates and maintenance without compromising the integrated apparatus functionality
3Manufacturing precision
If manual disassembly and reassembly is required for touch panel updates, then precise control can be maintained, but the complexity and time of the process increases
Solution Approach 1:
The patent introduces an interface unit as an intermediary layer between the host controller and touch panel control unit. This intermediary handles all communication, including update data transmission and diagnostic data retrieval, through standardized protocols. The interface unit abstracts the complexity of direct hardware manipulation, maintaining control precision while simplifying the update process to software-level operations
Data Source
AI summary
An electronic apparatus with a touch panel including a host controller, an interface unit, and a touch panel control unit is provided. The host controller is used to control an electronic apparatus implemented with the host controller. The touch panel control unit is coupled to the host controller through the interface unit. The host controller transmits an updating information to the touch panel control unit with a format of the interface unit, in which the updating data is used to update the touch panel control unit. The touch panel control unit decodes the updating data to accordingly update.