Connected knife block
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Solution Overview
Problem
Conventional knife blocks lack advanced security features to prevent unauthorized access and accidental injuries, particularly in detecting knife sharpness and user authentication.
Innovation Solution
An electronic knife holder with a locking mechanism, sensors for knife presence and sharpness detection, and an onboard camera for facial recognition, integrated with a security system that allows state changes and notifications, enabling secure and safe knife storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking mechanism is added to prevent unauthorized access, then security is improved, but device complexity increases
Solution Approach 1:
The system uses sensors to detect knife presence and user authentication status, then provides feedback by automatically locking or unlocking the knife block based on authentication results, creating a closed-loop security system that responds to real-time conditions
Solution Approach 2:
The knife block performs self-service security functions by automatically locking when unauthorized users attempt access and unlocking when authorized users are authenticated, eliminating the need for manual locking operations
2Reliability
If sensors for knife presence and sharpness detection are added, then safety is improved, but device complexity increases
Solution Approach 1:
Sensors continuously monitor knife presence and sharpness conditions, providing feedback to the control system that automatically triggers notifications to users when knives are removed or become dull, enabling proactive safety management
Solution Approach 2:
The patent replaces manual inspection of knife sharpness and presence with electronic sensors that automatically detect these conditions, substituting mechanical human judgment with electronic detection systems
3Reliability
If facial recognition camera is added for user authentication, then security is improved, but device complexity and cost increase
Solution Approach 1:
The system replaces manual identification and authentication processes with automated facial recognition technology, using optical sensors and image processing to identify users and determine authorization status without human intervention
4Reliability
If automatic locking mechanism is implemented, then safety is improved, but ease of operation decreases
Solution Approach 1:
The system provides real-time feedback through notifications to inform users when knives are locked or unlocked, maintaining operational transparency and user awareness despite automated locking actions
Solution Approach 2:
The knife block autonomously manages its own locking state based on authentication results and knife conditions, performing self-service security functions without requiring manual user intervention
Data Source
AI summary
Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for an electronic knife holder. In some implementations, the electronic knife holder includes a microprocessor, a base member that has a first exterior surface containing multiple slots, a lock, and sensors corresponding to the multiple slots. Each of the multiple slots defines an interior space of the base member and is configured to receive a knife blade. When the lock is placed in a locked position, the lock locks one or more knives placed in one of the multiple slots. The sensors are configured to detect if a knife is present in one of the multiple slots.