Wearable Reply Candidate Selection for Smartphone Messaging
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Solution Overview
Problem
Smartphones and wearable devices face challenges in efficiently replying to messages, especially in situations where one hand is occupied or the device cannot be easily accessed, due to their form factor and screen size limitations.
Innovation Solution
A transmission and reception system that includes a smartphone and a wearable computer, where the smartphone generates and transmits reply message candidates to the wearable device for selection, allowing the wearable device to communicate back with the smartphone to finalize and send the reply message, even when the smartphone is not readily accessible.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a smartphone is used for message transmission and reception, then processing capability and display capability are improved, but ease of operation in situations where one hand cannot be used or the device cannot be easily accessed deteriorates
Solution Approach 1:
The system divides the message handling function into two parts: the smartphone handles message reception and candidate generation, while the wearable device handles message selection and transmission. This segmentation allows the smartphone to maintain its processing capabilities while the wearable device provides easy accessibility in situations where the smartphone cannot be easily operated.
Solution Approach 2:
The wearable device acts as an intermediary between the user and the smartphone's message system. It receives message information from the smartphone, presents reply candidates to the user, and transmits the selected reply back to the smartphone, enabling message communication without requiring direct smartphone operation.
2Ease of operation
If a wearable device is used for message transmission and reception, then ease of operation in occupied-hand situations is improved, but operation difficulty in replying to messages deteriorates due to small screen size
Solution Approach 1:
The smartphone performs preliminary processing by generating multiple reply message candidates based on the received message content. These pre-prepared candidates are then transmitted to the wearable device, reducing the complexity of the reply operation on the wearable device to simple selection rather than composition.
Solution Approach 2:
The wearable device displays copied versions of the original message and pre-generated reply candidates received from the smartphone. This copying approach allows the wearable device to present complete message content and reply options without requiring its own message composition capabilities, overcoming the limitation of its small screen.
3Ease of operation
If message reply candidates are generated and transmitted between devices, then ease of replying in occupied-hand situations is improved, but device complexity and communication requirements increase
Solution Approach 1:
The system employs universal short-range communication protocols (such as Bluetooth or NFC) that are commonly integrated into both smartphones and wearable devices. This multi-functionality approach enables the message candidate transmission feature without requiring specialized or additional communication hardware, thereby limiting the increase in system complexity.
Data Source
AI summary
In a transmission and reception system, a transmitting and receiving unit is configured to acquire a message, and generate candidates of a reply message to the acquired message. A wearable computer is configured to perform a short-distance communication with the transmission and reception unit to receive the candidates of the replay message transmitted from the transmission and reception unit, and transmit a desired reply message selected from among the candidates of the replay message to the transmission and reception unit.


