Recording Medium Type Detection with Stored Correction Values
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Solution Overview
Problem
Existing recording technologies are unable to select the type of recording medium if it is not pre-stored in the system's database.
Innovation Solution
A system that includes a first measurement unit to measure a recording medium's characteristics, a storage unit to store reference values, an extraction unit to identify the type based on these values, and a correction unit to adjust measurements for unknown media, enabling selection of new media types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If recording medium types are stored in advance in the system, then recording control can be performed using appropriate control parameters, but the system cannot select types of recording medium that are not pre-stored
Solution Approach 1:
The system performs preliminary measurement of characteristic values for unset recording medium types and stores this information in advance. When a recording medium is fed, the system compares measured characteristic values against previously stored reference values and correction values to identify the medium type, enabling selection of recording medium types that were not initially in the database.
Solution Approach 2:
The system acquires correction values by comparing measured characteristic values with reference values for unset recording medium types. These correction values are then used to improve future identifications of the same medium type, creating a feedback loop that continuously enhances the system's ability to recognize and adapt to new recording medium types.
2Measurement precision
If the system uses fixed reference values for recording medium identification, then the identification process is simple, but the system cannot adapt to variations in recording medium characteristics
Solution Approach 1:
The system changes the parameters used for identification from fixed reference values to dynamic values that include correction factors. By acquiring and applying correction values based on actual measurements of unset recording medium types, the system improves identification accuracy while maintaining a relatively simple process through automated comparison and parameter adjustment.
Data Source
AI summary
A reference value of a characteristic value of an unset recording medium is determined based on correction values for types of recording media stored in an electrically erasable programmable read-only memory (EEPROM) in advance and a result of measurement of the unset recording medium.