Proximity Auditing Storage Library Cartridge Magazines
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Solution Overview
Problem
Conventional storage library systems face inefficiencies and errors in auditing removable media cartridge magazines due to reliance on precise robotic positioning and complex calibration processes, which can lead to delays and increased costs.
Innovation Solution
Integration of a proximity sensor with a robotic assembly to detect structural features of cartridge magazines, allowing for fast and reliable auditing without requiring precise positioning, and potentially eliminating the need for 'No Magazine' labels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional robotic positioning methods are used for auditing, then measurement precision can be achieved, but device complexity and calibration processes increase
Solution Approach 1:
The patent replaces complex mechanical positioning and calibration systems with optical proximity sensors that use electromagnetic radiation (light) to detect magazine presence. The sensors detect changes in light reflection or transmission to determine cartridge presence, eliminating the need for complex mechanical calibration while maintaining reliable detection.
Solution Approach 2:
The patent changes the detection parameter from mechanical position measurement to optical property detection. By monitoring changes in light reflection, transmission, or scattering properties, the system can detect cartridge presence without requiring precise mechanical positioning or complex calibration procedures.
2Reliability
If robotic hand assembly reaches into cells for auditing, then reliable detection is achieved, but audit time increases significantly
Solution Approach 1:
The patent replaces mechanical reaching operations with non-contact optical sensing. Proximity sensors mounted on the robotic assembly detect cartridge presence by measuring optical property changes, allowing rapid auditing without the robotic hand physically reaching into each cell, thus significantly reducing audit time while maintaining reliability.
Solution Approach 2:
The patent introduces optical fields as an intermediary between the robotic assembly and the cartridges. The proximity sensors detect cartridges through optical interaction (light reflection or transmission) rather than direct mechanical contact, enabling fast non-contact detection without the robotic hand needing to reach into each cell.
3Loss of information
If barcode reading is used for auditing, then inventory information can be obtained, but costs and error rates increase
Solution Approach 1:
The patent replaces barcode reading systems with proximity sensors that detect cartridge presence through optical property changes. This substitution eliminates the need for barcode labels and their associated calibration processes, reducing costs and error rates while maintaining accurate inventory information through reliable presence detection.
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 approach enables faster initialization and more reliable inventory information in storage library systems by quickly determining the presence or absence of cartridge magazines, reducing errors and costs associated with conventional methods.
Implementation Method 1
a proximity sensor mounted on a robotic assembly can be used to detect one or more target features of cartridge magazines
Implementation Method 2
the proximity sensor can look for relatively large structural features of a removable cartridge magazine
Data Source
AI summary
Embodiments are described for proximity auditing of removable media cartridge magazines in a data storage library. For example, a proximity sensor mounted on a robotic assembly can be used to detect one or more target features of cartridge magazines. In particular, the proximity sensor can look for relatively large structural features of a removable cartridge magazine in a manner that is fast and reliable, and does not rely on precise positioning of the robotic assembly with respect to the magazine. Some implementations can use the proximity sensor in conjunction with further auditing and/or other functions of line camera, and/or other sensors of the robotic assembly. Proximity-based auditing of the magazines can permit storage library systems to initialize faster and with more reliable inventory information.