Cartridge Memory Capacity Setting for Magnetic Media
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Solution Overview
Problem
The existing magnetic recording media require multiple types of cartridge memories for different generations due to varying data track densities, leading to increased production and management costs.
Innovation Solution
A cartridge memory system with a memory unit capable of storing management information for multiple generations, featuring a capacity setting unit that adjusts the data storage area based on the specific generation's requirements, including a voltage generation unit using an antenna coil to power the system without a dedicated power supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple types of cartridge memories are prepared for different generations of magnetic recording media, then compatibility with various data track densities is achieved, but production costs and management complexity increase
Solution Approach 1:
The patent implements a single cartridge memory design that can serve multiple generations of magnetic recording media by dynamically adjusting its data storage capacity. The memory device initially formats with a first capacity for first-generation media, then can be reconfigured to a second capacity for second-generation media with higher data track density, eliminating the need for multiple specialized memory types.
Solution Approach 2:
The cartridge memory employs dynamic capacity adjustment through formatting operations. The memory device can transition between different capacity states (first capacity for first-generation media, second capacity for second-generation media) based on the specific application requirements, allowing adaptive reuse across generations without physical replacement.
2Adaptability or versatility
If a single cartridge memory is designed with maximum capacity for future generations, then future compatibility is enabled, but current generation efficiency is reduced due to unused storage space
Solution Approach 1:
The memory device dynamically adjusts its operational capacity based on the generation of magnetic recording media it is currently paired with. When used with first-generation media, it operates at first capacity for optimal efficiency; when paired with second-generation media, it reconfigures to second capacity, maximizing productivity for each specific application while maintaining future compatibility.
Solution Approach 2:
The system changes the operational parameter (data storage capacity) of the memory device based on the generation of the magnetic recording medium. This parameter adjustment allows the single memory design to achieve both current generation efficiency and future compatibility by optimizing capacity utilization for each specific use case.
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
This solution allows a single cartridge memory to be applicable across multiple generations of magnetic recording media, reducing production and management costs while ensuring efficient data storage and accessibility, and enabling future compatibility as data track numbers increase.
Implementation Method 1
a voltage generation unit that includes an antenna coil for transmission/reception and receives a signal magnetic field from an external device to generate a voltage
Data Source
AI summary
[Object] A cartridge memory according to an embodiment of the present technology is a cartridge memory for a recording medium cartridge, including: a memory unit; and a capacity setting unit. The memory unit has a memory capacity capable of storing management information relating to a second information recording medium configured to be capable of recording information with a second data track number larger than a first data track number. The capacity setting unit is configured to be capable of setting a data storage area limited to a first capacity capable of storing management information relating to a first information recording medium configured to be capable of recording information with the first data track number.