Wireless Wearable PTT Device Multi-Accessory Bluetooth Connectivity
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Solution Overview
Problem
Conventional wearable devices with single Bluetooth communication are limited in simultaneously connecting multiple accessories, lacking comprehensive directional image capture and secure, efficient Push-To-Talk functionality, especially during risky operations where hands-free and private communication are crucial.
Innovation Solution
A wireless wearable Push-To-Talk device that integrates multiple short-range communication accessories, including a camera-mounted eyewear for directional image capture and a finger ring control accessory for easy activation of the Push-To-Talk function, using Bluetooth technology to connect and control multiple devices simultaneously for secure and efficient communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single Bluetooth communication is used in wearable devices, then the device complexity is reduced, but the ability to simultaneously connect and communicate with multiple accessories is limited
Solution Approach 1:
The patent divides the communication functionality into separate modules - a first communication unit for Push-To-Talk communication and a second communication unit for Bluetooth communication with accessories. This segmentation allows multiple accessories to be connected simultaneously without significantly increasing overall device complexity, as each communication unit operates independently with its own protocol handling.
2Adaptability or versatility
If a front-view camera is used in body worn cameras, then the device size is minimized, but the ability to capture images from different directions is lost
Solution Approach 1:
The patent merges the front-view camera with additional directional capturing means (such as side or rear cameras) into an integrated imaging system. This combination enables multi-directional image capture while minimizing overall device size by sharing common components like image processing units, memory, and power supply across all camera modules.
3Ease of operation
If a push button is used for Push-To-Talk activation, then the activating means is simple in structure, but the ease of operation is reduced during risky operations
Solution Approach 1:
The patent introduces an intermediary activation mechanism between the user and the Push-To-Talk function - such as a wireless control device, voice recognition system, or motion-sensing accessory. This intermediary allows hands-free or remote activation during risky operations while keeping the core Push-To-Talk mechanism simple and reliable.
4Reliability
If the speaker is used for Push-To-Talk communication, then the device structure is simplified, but the security and privacy of communication is compromised
Solution Approach 1:
The patent extracts the audio output function from the main wearable device and places it in a separate, secure accessory such as an earpiece or headset. This extraction allows the speaker to be removed or disabled in the main device, preventing unauthorized listening, while maintaining the ability to receive Push-To-Talk communications through the secured accessory channel.
Data Source
AI summary
A wireless wearable Push-To-Talk (PTT) device is disclosed which is capable of enabling three or more short-range communication accessories. In specific, the wearable Push-To-Talk device can be connected to multiple short-range communication accessories such as a hearing accessory, a visual accessory and a wearable Push-To-Talk control accessory through a heterogeneous communication unit provided therein. A Bluetooth radio transceiver and a cellular radio transceiver are configured in said heterogeneous communication unit to transmit or receive radio signals. The heterogeneous communication unit supports the Bluetooth communication between the Push-To-Talk system and other short-range communication accessories either simultaneously or individually. The Push-To-Talk device along with multiple short-range communication accessories assists the operator with an efficient and secured communication.