Radio Wave Printed Material Detection Apparatus
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Solution Overview
Problem
Existing document management technologies require special recording media with embedded structures or magnetic bodies for secure printing, which limits their applicability and increases costs.
Innovation Solution
A printed material detection apparatus that uses radio waves with frequencies between 1 GHz and 5 THz to detect images on recording media without the need for special recording media, employing a detector to reflect or absorb these waves and identify confidential information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If special recording media with embedded structures or magnetic bodies are used for secure printing, then detection reliability is improved, but device complexity and cost increase
Solution Approach 1:
The patent extracts the detection function from the recording medium itself and places it in the detection apparatus. Instead of embedding magnetic bodies or special structures in the media, the system uses a detector that can identify printed materials through radio wave interaction, separating the media from the detection mechanism.
Solution Approach 2:
The patent introduces radio waves as an intermediary between the detection apparatus and the recording medium. The radio waves interact with the printed material to produce detectable signals, enabling detection without requiring special media structures. The radio wave serves as a mediator that carries information about the printed material to the detector.
2Reliability
If special recording media are used for secure printing, then security is improved, but ease of operation deteriorates
Solution Approach 1:
The patent uses standard, inexpensive recording media instead of expensive special media. The detection function is achieved through the printed material itself and the radio wave interaction, eliminating the need for costly special coatings or embedded structures while maintaining security.
Solution Approach 2:
The patent treats all recording media uniformly using standard media types. The detection apparatus works with homogeneous standard materials rather than requiring heterogeneous special media with embedded structures, improving ease of operation while maintaining security through the detection method.
3Measurement precision
If radio waves with frequency 1 GHz or more and 5 THz or less are used for detection, then detection capability is improved, but energy consumption increases
Solution Approach 1:
The patent optimizes the radio wave frequency parameter to fall within the 1 GHz to 5 THz range, which provides effective detection capability. This parameter selection balances detection performance with energy consumption, using frequencies that are high enough for accurate detection but not excessively high to cause prohibitive energy usage.
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 secure detection and management of confidential information on standard recording media, reducing costs and improving handleability without the need for specialized media, while maintaining effective detection capabilities.
Implementation Method 1
a detector configured to transmit radio waves whose frequency is 1 GHz or more and 5 THz or less toward a printed material and to detect reflection or absorption of the radio waves
Implementation Method 2
a detector configured to transmit radio waves whose frequency is 1 GHz or more and 5 THz or less toward a printed material and to detect reflection or absorption of the radio waves
Data Source
AI summary
A printed material detection apparatus includes: a detector configured to transmit radio waves whose frequency of 1 GHz or more and 5 THz or less toward a printed material and to detect reflection or absorption of the radio waves.