Transponder Key Replication via Remote Data Extraction
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Solution Overview
Problem
The high cost and complexity of replicating transponder keys on-site due to the need for specialized equipment and expertise, making it impractical for widespread use in theft deterrent systems for automobiles.
Innovation Solution
A transponder key replication device that captures and transmits key data to a remote location for processing, allowing for the creation and cutting of duplicate keys without the need for on-site equipment, utilizing an antenna to read transponder codes, a camera to capture bitting characteristics, and internet-compatible communication for remote programming and cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If on-site transponder key replication equipment is deployed, then key replication capability is achieved, but equipment cost and business complexity increase significantly
Solution Approach 1:
The patent extracts the complex transponder reading, key bitting capture, and data processing functions from the on-site duplication equipment and relocates them to a centralized remote facility. The on-site device only performs simple key insertion and data transmission, while the remote facility handles the expensive transponder extraction, bitting analysis, and duplicate key programming operations.
Solution Approach 2:
The patent introduces a communication interface (internet-connected transmitter) as an intermediary between the on-site device and the remote duplication facility. This intermediary enables data transmission without requiring the on-site device to have expensive duplication capabilities, allowing simple devices to access sophisticated remote processing resources.
2Manufacturing precision
If sophisticated side-mill key cutting equipment is used, then high security key duplication accuracy is achieved, but equipment cost and accessibility worsen
Solution Approach 1:
The patent extracts the sophisticated side-mill key cutting function from on-site equipment and relocates it to a centralized remote facility equipped with specialized machining tools. The on-site device only captures bitting characteristics using a camera and transmits data remotely, eliminating the need for local access to expensive precision cutting equipment.
Solution Approach 2:
The patent uses optical copying (camera imaging) to capture the key bitting characteristics instead of requiring physical contact or specialized measurement tools. The captured images are transmitted remotely and used to guide the precision cutting process at the remote facility, replacing complex on-site measurement and cutting equipment with simple optical scanning.
3Productivity
If transponder code extraction and programming equipment is deployed on-site, then key duplication service is provided, but business investment requirements increase
Solution Approach 1:
The patent extracts the transponder code extraction and programming functions from on-site equipment and consolidates them at a remote facility. The on-site device only reads the transponder code using a simple antenna and transmits it remotely, while the expensive transponder programming equipment is located only at the centralized facility where multiple keys can be serviced simultaneously.
Solution Approach 2:
The remote facility serves multiple functions: transponder code extraction, key bitting capture, duplicate key programming, and precision key cutting. By consolidating all these functions in one centralized location rather than requiring each on-site device to perform all functions, the system achieves economies of scale and reduces overall equipment investment requirements.
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 a less expensive and efficient method for replicating transponder keys by decentralizing the equipment investment and allowing remote processing, reducing the costs associated with on-site duplication while maintaining key security and accuracy.
Implementation Method 1
an antenna that reads a transponder code from a transponder key
Implementation Method 2
a camera, wherein the camera captures a bitting characteristic of the transponder key blade
Data Source
AI summary
A method for replicating a transponder key is disclosed. A first device reads a transponder code from a transponder key; captures bitting characteristics of the transponder key; and transmits the transponder code and the bitting characteristic of the transponder key to a remote location. An internet compatible device receives the transmitted transponder data and communicates it to a transponder duplication device at the remote location.