Magnetic Tape Cartridge Inclined Head Angle Adjustment
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Solution Overview
Problem
Existing magnetic tape systems face challenges in accurately maintaining data track alignment due to deformation of the magnetic tape width, leading to off-track issues during data recording and reading.
Innovation Solution
A magnetic tape cartridge system that includes a magnetic tape with a recording surface and a storage medium containing angle adjustment information. The magnetic head is inclined at a specific angle relative to the tape's width direction, and this angle is adjusted based on pre-recorded width correspondence information and environmental data to maintain accurate data track alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the magnetic head is disposed at an inclined posture to adjust for tape width deformation, then off-track errors are reduced, but the device complexity increases due to the need for angle adjustment mechanisms
Solution Approach 1:
The patent applies preliminary action by pre-measuring the tape width at multiple positions and storing the measurement results in the storage medium before actual data recording. This allows the magnetic head angle to be adjusted in advance based on pre-acquired tape characteristics, eliminating the need for complex real-time adjustment mechanisms during operation.
Solution Approach 2:
The patent replaces mechanical angle adjustment mechanisms with an information-based system. Instead of using complex mechanical devices to physically adjust the magnetic head angle during operation, the system uses stored width correspondence information to determine and apply the appropriate angle, substituting mechanical complexity with data processing and storage.
2Measurement precision
If width measurement is performed at multiple points along the tape length, then tape width deformation is more accurately captured, but the time required for measurement and processing increases
Solution Approach 1:
The patent performs width measurements at multiple points along the tape length in advance, before actual data recording operations. The measurement results are stored in the storage medium for later use. This preliminary action allows comprehensive and accurate width characterization without causing time delays during critical data recording operations.
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
The system effectively suppresses off-track errors by dynamically adjusting the magnetic head's angle in response to changes in tape width and environmental conditions, ensuring precise data recording and reading.
Implementation Method 1
data is recorded in the recording surface by a magnetic head in a state in which the magnetic tape is made to travel
Data Source
AI summary
A magnetic tape cartridge includes a magnetic tape, and a storage medium in which information on the magnetic tape is stored. The magnetic tape has a recording surface. Data is recorded in the recording surface by a magnetic head in a state in which the magnetic tape is made to travel. The magnetic head is disposed at an inclined posture with respect to a width direction of the magnetic tape along the recording surface. Angle adjustment information obtained before the data is recorded in the recording surface is stored in the storage medium. The angle adjustment information is information for adjusting an angle at which the magnetic head is inclined with respect to the width direction along the recording surface.