NFC Headphone Audio Unlocking With Automatic Playback
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Solution Overview
Problem
Current headphones lack intuitive and selective unlocking and playback of audio content stored on the device, with no access control beyond device-level PIN numbers, and no mechanism for automatic playback initiation.
Innovation Solution
An interactive headphone system utilizing an NFC tag and reader for selective and automatic playback of audio content, where the NFC tag, embedded in a plastic chip, is brought into proximity with the NFC reader to unlock and initiate playback, with optional magnetic attachment and infrared sensor for wear detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If audio files are locked on headphones for security, then access control is improved, but user interaction becomes less intuitive and automatic playback initiation is lost
Solution Approach 1:
The patent introduces an NFC tag as an intermediary object that mediates between the user and the locked audio files. The NFC tag contains identification data that the NFC reader on the headphones uses to unlock specific audio files. This intermediary mechanism provides secure access control while maintaining intuitive interaction, as users simply need to bring the NFC tag close to the headphones rather than manually navigating through locked content or entering PIN codes.
2Ease of operation
If manual control elements are used for playback selection, then user control is precise, but automatic playback initiation and selective access are lost
Solution Approach 1:
The patent implements preliminary action by pre-configuring NFC tags with specific identification data that corresponds to particular audio files. Before the user needs to play an audio file, the appropriate NFC tag is prepared with the correct identification. When the NFC tag is brought close to the headphones, the NFC reader automatically reads the identification and initiates playback of the corresponding audio file without requiring manual selection, thus achieving automatic playback initiation while maintaining precise control over which files can be played.
3Reliability
If device-level PIN numbers are used for access restriction, then security is provided, but selective access to individual audio files is not possible
Solution Approach 1:
The patent applies segmentation by dividing the access control mechanism into individual NFC tags, each associated with a specific audio file or category of files. Instead of using a single device-level PIN that provides uniform access control, the system segments access rights into multiple NFC tags with different identification data. This allows selective access control where different users or contexts can have different NFC tags that unlock different audio files, providing both security and versatility.
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
Enables intuitive and secure playback of audio content, allowing selective access control and automatic initiation, enhancing user interaction and security, particularly suitable for children.
Implementation Method 1
The underlying technology relates to an interaction between a near-field communication tag, hereinafter referred to as an NFC tag, and a near-field communication reader, hereinafter referred to as an NFC reader
Implementation Method 2
The headphones (110) can furthermore comprise a magnetic component (470) configured to attract the chip (120) with a magnetic pull force
Implementation Method 3
The headphones (110) can furthermore comprise an infrared sensor (160) configured to detect whether the headphones (110) are being worn by a person
Data Source
AI summary
The invention relates to an interactive headphone system for storing and playing audio content comprising an NFC tag with an RFID code that contains a distinctive identification of the NFC tag, and headphones that comprise a memory that stores one or more audio files, where each of the one or more audio files is associated with a distinctive identification, where the one or more audio files are locked so that access is possible only with an RFID code containing a distinctive identification corresponding to the distinctive identification of a respective audio file, and an NFC reader, where, when the NFC tag having a distinctive identification corresponding to the distinctive identification of a respective audio file is brought into the immediate vicinity of the NFC reader, the headphones are configured to: process the RFID code containing the distinctive identification of the NFC tag; correlate the distinctive identification of the NFC tag with the distinctive identification of the audio file stored on the memory; unlock the audio file; and automatically start playback of the audio file.