Voice-Collaboration Device Battery Management via Dynamic Mode Switching
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Solution Overview
Problem
Battery management techniques for multi-function voice-collaboration devices, such as radio speaker microphones used by first responders, have not kept pace with the increased functionality, leading to battery life management challenges.
Innovation Solution
Implementing a system that dynamically switches between enhanced and reduced functionality modes based on battery energy levels, estimating operating durations for each mode, and adjusting usage to match the estimated operating duration of a paired portable radio, ensuring consistent battery life management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If additional functions (display, video camera, touch interface, digital storage) are incorporated into the RSM device, then the functionality and versatility of the device is improved, but the battery life is reduced due to increased energy consumption
Solution Approach 1:
The patent implements dynamic functionality adjustment based on real-time battery status. The processor monitors battery charge levels and automatically adjusts which functions are available and at what quality levels. When battery charge is high, all functions operate at full capability. When battery charge drops below thresholds, the system dynamically reduces functionality (e.g., lowering video quality, disabling non-essential features) to extend battery life, ensuring the device adapts its behavior to current energy constraints.
Solution Approach 2:
The system changes operational parameters based on battery state. It monitors battery charge level and uses this information to adjust function availability and performance parameters. The processor modifies operational parameters such as display refresh rates, camera resolution, audio quality, and processor performance levels according to the remaining battery charge, thereby optimizing the balance between functionality and energy consumption.
2Ease of operation
If the device operates in enhanced-functionality mode with all additional features enabled, then the user experience is improved, but the energy consumption increases and battery depletes faster
Solution Approach 1:
The patent applies partial action by selectively enabling only the necessary functions based on current battery charge levels and operational context. Rather than always running all features at full capacity, the system determines the minimum required functionality to meet user needs while conserving energy. The processor evaluates which functions should be active and at what performance levels, enabling partial operation of features rather than all-or-nothing operation.
Solution Approach 2:
The system implements continuous feedback loops where the processor monitors battery charge levels, energy consumption rates, and current functional usage. Based on this feedback, the system dynamically adjusts functionality allocation. The processor receives feedback from battery status sensors and usage patterns, then modifies operational parameters in real-time to optimize the balance between user experience and energy conservation, ensuring functions are adjusted based on actual device state.
3Duration of action of moving object
If the device switches between enhanced and reduced functionality modes dynamically, then the battery life is extended, but the device complexity and control mechanisms increase
Solution Approach 1:
The patent employs a single processor that performs multiple functions: monitoring battery status, calculating remaining operational time, determining optimal functionality allocation, and controlling the activation/deactivation of various device components. This universal processor handles all control logic for dynamic functionality adjustment, consolidating what could be separate control mechanisms into one integrated unit, thereby managing complexity while enabling sophisticated battery management.
Solution Approach 2:
The system implements self-service through automated processor-controlled functionality adjustment. The processor autonomously monitors battery charge levels and adjusts device functions without requiring manual user intervention. The system automatically determines when to switch between enhanced and reduced functionality modes based on battery status, eliminating the need for complex user interfaces or manual configuration, thereby managing complexity through automation.
Data Source
AI summary
A battery-powered multi-function voice-collaboration device includes a speaker and a microphone to support voice transmission and reception. The device has an enhanced-functionality mode EFM and a reduced-functionality mode RFM and is communicatively coupled to a battery-powered portable radio. The device determines a first operating duration if operated entirely in a RFM comprising one or more battery-consuming voice functions, and determines a second estimated operating duration N if operated entirely in an EFM comprising another battery-consuming function in addition to the battery-consuming voice functions. The device requests and receives an estimated operating duration indication of the portable radio. Responsive to determining that an estimated operating duration Z of the portable radio is between the first and second durations R, N: operating the device in the EFM for a third duration and in the RFM for a fourth duration such that the third and fourth durations combined equal the duration Z.