Wireless Input Device with Orientation-Based Mode Switching
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Solution Overview
Problem
The cumbersome and inconvenient need to manage two separate input devices, a mouse for navigating a computer and a dedicated "clicker" for operating a projector, during computerized slide presentations.
Innovation Solution
A wireless input device with a housing containing circuitry for wireless communication with a computer, a touch sensor, and pointing device circuitry that adjusts input processing based on orientation, allowing for integrated cursor movement and touch input functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If two separate input devices (mouse and clicker) are used for computer navigation and projector operation, then each device can be optimized for its specific function, but the overall system complexity and user convenience deteriorate due to managing multiple devices
Solution Approach 1:
The patent combines a mouse and clicker into a single unified device that integrates pointing device circuitry for cursor control with a touch sensor and orientation sensor for presentation control. This merging eliminates the need to manage two separate devices while maintaining the specialized functions of each through sensor-based detection and processing.
Solution Approach 2:
The unified input device performs multiple functions: it operates as a traditional mouse for cursor navigation using pointing device circuitry, and as a presentation remote using the touch sensor and orientation sensor. The device universally handles both computer interaction and presentation control through a single multi-functional unit.
2Device complexity
If a unified device integrates both mouse and clicker functions, then device complexity is reduced and convenience is improved, but the ease of operation deteriorates due to potential input conflicts between different input modes
Solution Approach 1:
The device dynamically switches between input modes based on orientation sensor detection. When the device is held in a presentation-oriented position, the touch sensor is activated for slide control while the pointing device is disabled. When held in a typical mouse position, the pointing device circuitry is activated for cursor control. This dynamic switching prevents input conflicts and maintains operational clarity.
Solution Approach 2:
The orientation sensor provides continuous feedback about the device's spatial orientation, which the processor uses to determine which input mode is appropriate. This feedback mechanism automatically adjusts the active input processing based on how the user is holding and using the device, ensuring the correct function is always responsive without user confusion.
Data Source
AI summary
In one aspect, a device includes a housing containing at least one electrical component for wireless communication with a computer, a touch sensor coupled to the housing that generates signals responsive to a person touching a surface of the touch sensor, and pointing device circuitry coupled to the housing that provides input to the at least one electrical component.