Removable Memory Call Transfer Mechanism

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Solution Overview

Problem

Existing communication systems are cumbersome for transferring in-progress calls between different communication devices, such as cellular and landline phones, often disconnecting calls due to battery issues or lack of coverage, and do not support seamless transfer between devices for convenience or billing purposes.

Innovation Solution

The method involves storing call information in removable memory, allowing users to transfer calls between devices by physically moving the memory from one device to another, enabling seamless call continuation without disconnecting and maintaining privacy by not sharing caller ID information.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If call forwarding or conferencing is used to transfer calls between devices, then call transfer capability is provided, but the system becomes cumbersome requiring dialing device numbers and waiting for transfer completion

Engineering Contradiction:

Improvecall transfer operationVSAvoidcall transfer time

Core Design Contradiction:

Ease of operationVSLoss of time

Solution Approach 1:

The system pre-establishes device pairing relationships and stores them in removable memory, so when a call transfer is needed, the user simply selects from pre-configured devices rather than dialing numbers or waiting for system to search for available devices

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

Removable memory acts as an intermediary carrier that stores device identification information, enabling direct transfer between devices without requiring network-based dialing or complex signaling protocols

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If conventional call forwarding is used with cellular telephone, then call can be forwarded to other devices, but the call is disconnected if battery dies, coverage is lost, or roaming area is entered

Engineering Contradiction:

Improvecall connection stabilityVSAvoiddevice switching capability

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The call transfer function is extracted from network-dependent protocols and implemented through removable memory that can be physically moved between devices, making the transfer mechanism independent of cellular network coverage and battery status of the original device

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The system allows users to pre-pair multiple devices with different communication capabilities (cellular, landline, VoIP) in removable memory, so when one device becomes unavailable due to battery, coverage, or roaming issues, the call can be immediately transferred to a pre-configured alternative device

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

3Adaptability or versatility

If call transfer between cellular and landline devices is implemented using conventional systems, then some transfer capability is provided, but the systems do not support seamless transfer between different device types

Engineering Contradiction:

Improvecross-device transfer capabilityVSAvoidsystem complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The removable memory device serves as a universal interface that can store identification information for multiple types of communication devices (cellular, landline, VoIP), allowing a single mechanism to handle transfers across different device types without requiring device-specific protocols or complex system integration

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

Instead of implementing complex inter-device communication protocols, the system copies device identification information from the source device to removable memory, which then contains all necessary information to initiate calls to any paired device type, simplifying the transfer mechanism to basic data storage and retrieval

Inventive Principle:

Principle #26Copying

4Loss of information

If conventional call transfer systems are used, then call forwarding is possible, but user privacy and confidentiality are compromised by exposing caller ID information

Engineering Contradiction:

Improvecaller ID privacyVSAvoidcall transfer convenience

Core Design Contradiction:

Loss of informationVSEase of operation

Solution Approach 1:

The removable memory acts as a privacy-protecting intermediary that stores only the identification information needed for call transfer without exposing the user's actual caller ID to the receiving device, thereby maintaining confidentiality while enabling convenient transfer

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS7826832B1Call storage in removable memory

Publication Date: 2010.11.02 ARLINGTON TECHNOLOGIES LLC

AI summary

Systems and methods for transferring or conferencing a call between user-accessible communication endpoints are provided. In particular, information related to a call in progress or a connection in progress is stored in removable memory associated with a first user-accessible communication endpoint. The user then removes the removable memory from the first user-accessible communication endpoint, and places it in a second user-accessible communication endpoint. The second user-accessible communication endpoint then calls a network authority, and provides the call information stored on the removable memory to the network authority. In response to receiving the call information, the network authority forks the call to the second user-accessible communication endpoint. The first user-accessible communication endpoint can then be disconnected.