NFC Data Direction Control via Motion Detection
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Solution Overview
Problem
Existing mobile communication systems using near-field communication (NFC) lack efficient methods to determine the appropriate direction of data transfer based on the movement state of devices, leading to potential miscommunication or unnecessary data exchange.
Innovation Solution
Incorporating an accelerometer into mobile devices to determine their movement state and a controller to direct NFC communication, allowing data transfer or reception based on detected movement, impact, or proximity, thereby optimizing data exchange between NFC-enabled devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If NFC data transfer is enabled without motion detection, then communication simplicity is maintained, but data transfer direction accuracy deteriorates
Solution Approach 1:
The patent introduces an accelerometer as an intermediary device that detects motion states and provides this information to the NFC controller. This mediator enables accurate determination of data transfer direction based on physical motion without requiring complex communication protocols or manual intervention, thus improving direction accuracy while adding only minimal system complexity.
2Reliability
If motion detection is added to determine data transfer direction, then communication accuracy improves, but device complexity increases
Solution Approach 1:
The system uses the device's own motion state, detected by its built-in accelerometer, to automatically determine data transfer direction. This self-service approach eliminates the need for external control signals or complex negotiation protocols, thereby improving communication reliability while keeping the added complexity minimal and focused solely on motion sensing and interpretation.
3Productivity
If traditional NFC communication is used without motion-based control, then ease of operation is maintained, but data exchange efficiency deteriorates
Solution Approach 1:
The patent replaces traditional manual or protocol-based NFC operation control with physics-based motion detection. The accelerometer captures physical motion events (such as device orientation changes or movement patterns) and automatically translates these into data transfer direction decisions, thereby improving data exchange efficiency while maintaining operational simplicity through intuitive physical gestures.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enables precise control over data transfer directions, ensuring appropriate data exchange by utilizing movement and impact data to determine communication states, enhancing the efficiency and accuracy of NFC transactions.
Implementation Method 1
an accelerometer coupled to the controller, and the controller may be further configured to determine the state of movement of the at least one mobile communications device based upon the accelerometer
Implementation Method 2
NFC technology is used for contactless short-range communications based on radio frequency identification (RFID) standards, using magnetic field induction to enable communication between electronic devices
Data Source
AI summary
A communication system may include at least one electronic device configured to wirelessly communicate via a short-range communications format, and at least one mobile communications device. The at least one mobile communications device may include a short-range communications device configured to wirelessly communicate with the at least one electronic device via the short-range communications format, and a controller coupled to the short-range communications device. The controller may be configured to determine a state of movement of the at least mobile communications device, and determine a direction of communication with respect to the at least one electronic device based upon the determined state of movement.