Wireless Mouse Packet Mode Selection for Reduced Latency

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Solution Overview

Problem

Wireless mice have a lower report rate compared to wired mice due to limitations in wireless communication, resulting in increased delay time and power consumption, which is noticeable during fast operations like gaming and drafting.

Innovation Solution

A method and apparatus that increase the report rate of a wireless mouse by selecting a packet mode, performing error checks, and transmitting packets through a radio-frequency channel, allowing for faster data transmission and reduced power consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If wireless communication is used to replace wired connection, then ease of operation is improved, but report rate deteriorates

Engineering Contradiction:
Improvewireless operation convenienceVSAvoidreport rate
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The patent implements dynamic packet mode selection where the wireless mouse switches between different packet transmission modes (first packet mode and second packet mode) based on operational requirements. This allows the system to adaptively adjust transmission characteristics to achieve high report rates while maintaining wireless convenience.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent changes transmission parameters by selecting different packet modes with different error check mechanisms. The first packet mode uses simpler error checking for high-speed transmission, while the second packet mode uses more comprehensive error checking when reliability is prioritized, thereby optimizing report rate under different conditions.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If error check operations are performed to ensure data reliability, then reliability is improved, but delay time increases

Engineering Contradiction:
Improvedata transmission reliabilityVSAvoiddelay time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies partial error checking by implementing two different packet modes with different levels of error check operations. The first packet mode performs minimal error checking to minimize delay time, while the second packet mode performs comprehensive error checking when reliability is critical, thus avoiding excessive action in all cases.

Inventive Principle:
Principle #16Partial or excessive action

Solution Approach 2:

The system dynamically selects which error check operation to perform based on the current operational context, switching between fast error checking and comprehensive error checking as needed, thereby optimizing the balance between reliability and delay time.

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution achieves a report rate comparable to wired mice, reducing delay time and power consumption, providing a seamless user experience without noticeable differences between wireless and wired mice.

Implementation Method 1

the radio-frequency transmitter 106 outputs the packets formed by the logic module 104 to the radio-frequency receiver 108 through a radio channel

Methodology Applied
Scientific EffectRadio-frequency transmission: Electromagnetic Induction

Data Source

PatentUS7586482B2Method and related wireless mouse for decreasing delay time of data packet transmission system
Publication Date: 2009.09.08 PIXART IMAGING INC
  • US7586482B2 patent drawing
  • US7586482B2 patent drawing
  • US7586482B2 patent drawing

AI summary

A method for increasing a report rate of a wireless mouse for decreasing delay time of the wireless mouse includes selecting a packet mode, inputting data corresponding to the selected packet mode according to control signals inputted into the wireless mouse, performing a first error check operation according to a first data, performing a second error check operation according to the first error check operation and the inputted data, forming an error check block according to the second error check operation, forming a packet according to the error check block and the inputted data, and outputting the packet through a radio-frequency channel.