Wearable Wireless Communication Device Full Duplex Voice Control
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Solution Overview
Problem
Current radios, including wearable types, use simplex or half duplex communication methods, making voice input inconvenient, prone to noise and miscommunication, and consume excessive power, requiring frequent battery replacements and leading to function failures.
Innovation Solution
A wearable wireless communication device employing a full duplex function with a time-sharing method, enabling simultaneous transmission and reception, automatic voice signal sending without a PTT button, and an ergonomically designed case for comfort, along with a code combination for noise-free communication group setting using DTMF signals and RSSI reference values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If simplex or half duplex communication method is used, then device complexity is reduced, but communication efficiency and user convenience deteriorate due to inability to transmit and receive simultaneously
Solution Approach 1:
The patent implements a dynamic communication system that can switch between simplex, half-duplex, and full-duplex modes based on operational requirements. The system dynamically adjusts communication characteristics to optimize efficiency while managing complexity, allowing simultaneous transmission and reception when needed while maintaining simpler modes when sufficient
Solution Approach 2:
The patent changes communication parameters including duplex mode, power levels, and signal processing characteristics to resolve the contradiction. By adjusting these parameters dynamically, the system achieves high communication efficiency through full-duplex capability when required, while managing device complexity through parameter optimization and adaptive control
2Ease of operation
If push to talk button operation is required for voice input, then device complexity is reduced, but ease of operation deteriorates due to inconvenience of manual activation
Solution Approach 1:
The patent implements voice-activated operation where the system automatically detects when the user intends to speak and initiates transmission without requiring manual button pressing. The device serves itself by monitoring audio inputs, detecting speech patterns, and automatically activating communication functions, thereby greatly improving ease of operation while managing complexity through intelligent automation
Solution Approach 2:
The patent replaces the mechanical push-to-talk button system with an acoustic field-based detection system. Instead of requiring mechanical button pressing, the system uses microphones and signal processing to detect voice intent and automatically activate transmission, substituting mechanical operation with acoustic sensing and electronic control
3Reliability
If high power is consumed in standby process, then communication reliability is improved, but use of energy deteriorates leading to frequent battery replacement
Solution Approach 1:
The patent implements periodic monitoring and adaptive power management where the system alternates between active listening modes and lower-power states. Instead of continuously operating at high power, the device periodically checks for communication needs and adjusts its power consumption accordingly, maintaining reliability through periodic readiness while significantly reducing average power consumption
Solution Approach 2:
The patent dynamically adjusts power consumption based on operational context, communication requirements, and battery status. The system transitions between different power states (standby, active listening, full transmission) to optimize the balance between reliability and energy consumption, ensuring adequate performance while extending battery life through adaptive power management
4Loss of information
If communication is performed without code combination and group setting, then device complexity is reduced, but loss of information increases due to noise and miscommunication
Solution Approach 1:
The patent introduces code combinations and communication group settings as intermediary elements that facilitate clear communication. These codes act as mediators that organize communication channels, identify participants, and prevent interference, thereby reducing information loss from noise and miscommunication while managing complexity through structured organization
Solution Approach 2:
The patent segments communication into organized groups with specific code identifiers. By dividing the communication environment into distinct groups and assigning unique codes to each, the system prevents interference between different communication channels, ensures messages reach the intended recipients, and maintains clarity while managing complexity through systematic organization
Data Source
AI summary
Discussed is a wearable wireless communication device that can set a communication group with other wireless communication devices within a limited range by converting and sending out communication group setting information into a dual tone multi-frequency (DTMF) signal or by transmitting communication group setting information including a certain received signal strength indicator (RSSI) reference value and a communication group setting method using the same.