Automatic Wireless Pairing of Telephone Peripheral Units

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Solution Overview

Problem

Existing audio communication systems require manual intervention for pairing wireless telephone peripheral units with interface units, which can be cumbersome and prone to incorrect pairing with third-party devices.

Innovation Solution

A system that automatically pairs a peripheral unit with an interface unit using a unique device address and static PIN, facilitated by a wired communication link for address exchange and link detection, eliminating the need for manual PIN entry during pairing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual pairing is used, then security against third-party pairing is improved, but ease of operation deteriorates due to cumbersome manual intervention

Engineering Contradiction:

Improvepairing securityVSAvoidpairing convenience

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The system automatically performs pairing operations without requiring user intervention. The automatic pairing means detects the wired link establishment and autonomously exchanges device addresses and completes the pairing procedure, eliminating the need for manual PIN entry while maintaining security through address verification.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

A wired communication link serves as an intermediary channel to securely exchange device addresses between the peripheral unit and interface unit. This intermediary mechanism enables automatic authentication and pairing without requiring users to manually enter PIN codes, thus improving convenience while maintaining security.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If manual PIN entry is required, then security against incorrect pairing is improved, but device complexity increases due to additional user interface requirements

Engineering Contradiction:

Improvepairing securityVSAvoidinterface complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical user interface interaction (manual PIN entry through buttons or displays) with an automated electronic system. The automatic pairing means uses the existing wired communication link to electronically exchange and verify device addresses, eliminating the need for additional physical interface elements while maintaining security.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Reliability

If unique PIN codes are assigned to each unit, then security is improved, but manufacturing complexity increases

Engineering Contradiction:

Improvepairing securityVSAvoidproduction complexity

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The device address itself serves a dual function: it uniquely identifies each unit and simultaneously acts as the pairing authentication credential. This universal approach eliminates the need for separate unique PIN codes, allowing all units to use the same pairing mechanism while maintaining security through address verification, thereby simplifying manufacturing.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS9049303B2Automatic pairing of a telephone peripheral unit and an interface unit

Publication Date: 2015.06.02 GN HEARING AS

AI summary

System for audio communication comprising: a peripheral unit and an interface unit, wherein the peripheral unit comprises a microphone and a speaker, and the peripheral unit is connectable to a telephone via the interface unit, the interface unit having a unique interface unit device address, and the peripheral unit having a unique peripheral unit device address, wherein the peripheral unit and the interface unit are mutually connectable via a wireless communication link for audio communication and via a detachable wired communication link for auxiliary data, and wherein the system further comprises automatic pairing routine for pairing the peripheral unit and the interface unit to establish the wireless communication link.