e911 Record Change Tracking for Reliable Remote Updates

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Solution Overview

Problem

Existing e911 systems face challenges in managing and updating wireless 911 call data reliably and efficiently, particularly in response to changes or deletions of e911 records, which can complicate audits and inquiries.

Innovation Solution

An e911 computing system dynamically updates e911 records by identifying new, changed, or deleted records, generating tables of changes, and notifying a remote management system, using an e911 computing system to manage and coordinate e911 calls and records between user devices and a dispatcher, and an e911 data-management system for archival storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If e911 records are manually managed and updated in response to changes or deletions, then data accuracy for audits can be maintained, but the system complexity and time required for management increase significantly

Engineering Contradiction:
Improvedata accuracyVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system performs preliminary actions by automatically detecting record changes, deletions, and additions before audits or inquiries occur. The e911 computing system continuously monitors the database, identifies modifications to e911 records, and proactively manages data integrity, eliminating the need for manual pre-audit preparations and reducing system complexity during critical periods.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If e911 records are frequently updated to reflect current data, then data currency is improved, but the time and resources required for management increase

Engineering Contradiction:
Improvedata currencyVSAvoidmanagement time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system implements automatic feedback mechanisms where the e911 computing system continuously monitors the database for changes, compares current records against previous versions, and automatically updates or flags modifications. This closed-loop feedback process ensures data currency is maintained without requiring manual intervention or significant management time, as the system self-regulates and reports only when changes occur.

Inventive Principle:
Principle #23Feedback

3Ease of operation

If complete e911 records are stored and managed locally, then data accessibility is improved, but the storage and management burden increases

Engineering Contradiction:
Improvedata accessibilityVSAvoiddata volume
Core Design Contradiction:
Ease of operationVSQuantity of substance

Solution Approach 1:

The system extracts and separates critical e911 record data from the main database, storing essential information locally in the e911 computing system while maintaining the ability to access complete records through the management system. This extraction approach provides fast local accessibility for operational needs while reducing the storage and management burden by not duplicating entire record sets locally.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS12470657B2Dynamic e911 system records updating
Publication Date: 2025.11.11 DISH WIRELESS LLC
  • US12470657B2 patent drawing
  • US12470657B2 patent drawing
  • US12470657B2 patent drawing

AI summary

Systems and method are directed towards dynamically updating a remote management system of changes in e911 records. An e911 computing system may determine if an e911 record has been deleted from a local database. In response to determining that the e911 record has been deleted, the e911 computing system notifies a management system of the e911 record being deleted. The e911 computing system may also determine if the e911 record is new. In response to determining that the e911 record is new, the e911 computing system provides the e911 record to the management system. The e911 computing system may also determine if the e911 record has changed. In response to determining that the e911 record has changed: the e911 computing system generates a table of changes to the e911 record and provides the table of changes to the management system.