Voice-Controlled Device LED Visual Feedback
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Solution Overview
Problem
There is a need for electronic devices to visually indicate their operational states in a home environment, particularly voice-controlled devices that interact with users through speech and lack traditional input methods like keyboards or displays, to provide feedback on their status and actions.
Innovation Solution
The use of lights on a voice-controlled device to illuminate in specific sequences, patterns, colors, and durations to indicate different operational states, such as active, processing, or error states, allowing users to visually understand the device's status without relying on screens or haptic inputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If voice-controlled devices are used without traditional input methods like keyboards or displays, then the device design is simplified and more modern, but the user cannot visually monitor the device's operational status
Solution Approach 1:
The patent applies color changes in LED lights to indicate different operational states of the voice-controlled device. Different colors (e.g., green, yellow, red) represent different statuses such as ready, processing, or error states, providing visual feedback without requiring a full display screen.
Solution Approach 2:
The patent divides the visual feedback system into discrete segments using multiple individual LEDs arranged in patterns. Each LED or group of LEDs can be independently controlled to represent specific operational states, creating a segmented visual information system that is simpler than a full display.
2Loss of information
If visual feedback is added to voice-controlled devices, then user understanding of device status is improved, but the device complexity increases
Solution Approach 1:
The patent uses color changes in LED lights to convey operational status information. By utilizing the inherent color-coding capability of LEDs, the system provides rich visual feedback with minimal additional components, avoiding the complexity of display screens while maintaining effective communication of device state.
Solution Approach 2:
The patent employs periodic illumination patterns of the LEDs to indicate different operational phases. The lights can blink, pulse, or illuminate in sequences that correspond to processing steps, providing temporal information about device status without requiring complex continuous display systems.
3Adaptability or versatility
If traditional input methods like keyboards are removed, then the device is more suitable for voice interaction, but the user loses tactile feedback and visual display capabilities
Solution Approach 1:
The patent compensates for the loss of tactile and visual feedback from removed keyboards by implementing color-changing LED indicators that provide immediate visual confirmation of device responses to voice commands, maintaining ease of operation through enhanced visual feedback mechanisms.
Solution Approach 2:
The patent implements a feedback system using LED lights that immediately respond to voice commands and operational states. This feedback loop provides users with visual confirmation that their voice input was received and processed, maintaining ease of operation despite the removal of traditional input methods.
Data Source
AI summary
Architectures and techniques to visually indicate an operational state of an electronic device. In some instances, the electronic device comprises a voice-controlled device configured to interact with a user through voice input and visual output. The voice-controlled device may be positioned in a home environment, such as on a table in a room of the environment. The user may interact with the voice-controlled device through speech and the voice-controlled device may perform operations requested by the speech. As the voice-controlled device enters different operational states while interacting with the user, one or more lights of the voice-controlled device may be illuminated to indicate the different operational states.