Integrated I/O Processor Bypassing OS for Real-Time Response
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Solution Overview
Problem
Processor-driven electronic devices, such as smartphones and touch screens, often experience delays in responding to user inputs due to the time-consuming processing through operating system routines, leading to lag and a poor user experience.
Innovation Solution
An integrated input control and output rendering system that includes an I/O processor with an input logic engine and an output rendering engine, allowing direct processing and rendering of user inputs independently of the device processor, thereby improving response times and user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If processor-driven electronic devices use operating system routines to process input actions, then functionality is comprehensive, but response time exceeds real-time response criteria
Solution Approach 1:
The patent segments the input processing system into two independent parts: a dedicated I/O processor for real-time input action processing and a device processor for comprehensive application processing. This segmentation allows the I/O processor to handle time-critical input actions independently, achieving real-time response while the device processor maintains comprehensive functionality through operating system routines.
Solution Approach 2:
The patent introduces a dedicated I/O processor as an intermediary between the input device and the device processor. This intermediary handles the time-critical path of input processing independently, translating input actions to output actions without requiring full device processor intervention, thus achieving real-time response while maintaining system comprehensiveness.
2Loss of time
If dedicated circuitry is used for input control and output rendering, then real-time response is achieved, but functionality is insufficient
Solution Approach 1:
The patent merges the advantages of dedicated circuitry and general-purpose processors by combining a dedicated I/O processor with a device processor. The I/O processor provides real-time response characteristics similar to dedicated circuitry, while the device processor provides comprehensive functionality. The two processors work together through coordinated processing, achieving both real-time performance and functional versatility.
3Loss of time
If abbreviated processing is used to meet real-time response criteria, then response time is reduced, but functionality is insufficient
Solution Approach 1:
The patent segments processing into two levels: abbreviated processing in the I/O processor for real-time response, and comprehensive processing in the device processor for full functionality. This segmentation allows abbreviated processing to meet real-time criteria while the device processor executes comprehensive application logic, achieving both speed and functionality.
Data Source
AI summary
An integrated input control and output rendering system for a processor-driven user device is provided. The system integrates input sensors (such as a keyboard, mouse, touchpad, camera, etc.) and output actuators (such as a display panel, speaker, robot, etc.) into a device independently of the user device and the applications running on the user device. The system includes an input logic engine to interpret input signals from various input devices together with an output rendering engine to output appropriate output signals in response to the input signals.