Dual-Mode Optical Mouse Sensor Pixel Adaptation
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Solution Overview
Problem
Current input devices, such as computer mice, face challenges in providing versatile performance modes without compromising on accuracy, power consumption, and battery life, as they typically require separate devices for high-performance and moderate-use settings.
Innovation Solution
A dual-mode optical input device with a single image sensor that operates in two modes: a high-performance 'gaming' mode and a moderate-performance 'office' mode, adjusting the number of pixels used, frame rate, and communication protocols to optimize performance and power efficiency based on the application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single input device is used for both high-performance and moderate-use settings, then device versatility is improved, but performance accuracy and power consumption optimization deteriorate
Solution Approach 1:
The patent implements dynamic switching between two operational modes (gaming mode and office mode) within a single input device. The device can transition between these modes based on user selection or detected usage patterns, allowing the same hardware to adapt its performance characteristics dynamically. This resolves the contradiction by enabling the device to maintain high accuracy when in gaming mode while consuming less power during moderate office tasks.
2Adaptability or versatility
If a single input device is used for both high-performance and moderate-use settings, then device versatility is improved, but power consumption optimization deteriorates
Solution Approach 1:
The device dynamically adjusts its operational parameters based on the selected mode. In gaming mode, the device operates with higher performance settings that consume more power, while in office mode, it transitions to lower-power operational parameters. This dynamic adaptation allows the single device to optimize power consumption for each usage scenario, resolving the contradiction between versatility and power efficiency.
3Measurement precision
If separate devices are used for high-performance and moderate-use settings, then performance accuracy is improved, but device complexity increases
Solution Approach 1:
The patent makes a single input device universal by enabling it to perform both high-performance gaming functions and moderate office tasks. Through mode switching, the device consolidates the functionality of what would traditionally require separate devices, thereby reducing overall system complexity while maintaining the performance accuracy needed for gaming when that mode is activated.
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
Enables a single input device to achieve high accuracy and performance in gaming applications while maintaining low power consumption and long battery life in office settings, by dynamically switching between modes based on user input or detected usage patterns.
Implementation Method 1
surface-independent optical mice using optoelectronic sensors to compare successive images of the underlying surface on which the computer mouse operates to interpret movement
Implementation Method 2
optical mice using optoelectronic sensors to compare successive images of the underlying surface
Data Source
AI summary
In certain embodiments, an input device includes a housing, a processor disposed in the housing, and an image sensor to track a movement of the input device with respect to an underlying surface. The image sensor includes a pixel array and operates in two modes of operation including a first mode of operation where the processor causes the image sensor to utilize a first plurality of pixels in the pixel array when tracking the movement of the input device or a second mode of operation where the processor causes the image sensor to utilize a second plurality of pixels in the pixel array when tracking the movement of the input device, where the second plurality of pixels has fewer pixels than the first plurality of pixels.