Side-by-Side Developer Cartridge Readers With Reduced Interference
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Solution Overview
Problem
Existing image forming apparatuses face challenges in accurately reading information from memory units of developer cartridges mounted side by side due to potential interference between wireless readers, leading to erroneous data retrieval.
Innovation Solution
The apparatus is designed with two wireless readers positioned at different orthogonal directions for each pair of mounting units, ensuring accurate communication with memory units by minimizing interference and maintaining a balanced size configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If wireless readers are provided for each mounting unit to read information from memory units, then information retrieval capability is improved, but interference between wireless readers causes erroneous data reading
Solution Approach 1:
The system segments the mounting units into different groups based on their spatial arrangement. Mounting units in the up-and-down direction share a common wireless reader, while mounting units in the left-and-right direction have dedicated wireless readers. This segmentation reduces the number of wireless readers operating simultaneously in close proximity, thereby minimizing interference and improving data reading reliability.
Solution Approach 2:
The patent merges the function of reading memory units from multiple mounting units into a single wireless reader when those mounting units are arranged in the up-and-down direction. This combining approach reduces the total number of wireless readers needed, decreasing the likelihood of interference between readers while maintaining comprehensive information retrieval capability across all mounting units.
2Quantity of substance
If two mounting units are provided side by side for developer cartridges, then developer cartridge capacity is improved, but wireless reader interference increases
Solution Approach 1:
The system segments the mounting units into different operational groups based on their spatial arrangement. Mounting units arranged side by side in the left-and-right direction are assigned dedicated wireless readers, while those in the up-and-down direction share a common reader. This segmentation allows the system to maintain high developer cartridge capacity while managing wireless reader interference through strategic resource allocation.
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 configuration enhances the accuracy of information retrieval from memory units in developer cartridges while maintaining a compact design, reducing the likelihood of erroneous data reading.
Implementation Method 1
a wireless reader that wirelessly reads information from a memory unit provided in the developer cartridge
Data Source
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AI summary
An image forming apparatus (10) includes two mounting units (5) and a wireless reader (6). On each of the two mounting units (5), a developer cartridge (7) that contains a developer that is used for forming an image is mountable, and the two mounting units (5) are provided side by side in a first direction (D1). The wireless reader (6) is provided corresponding to each of the mounting units (5) and reads information from a memory unit (71) provided in the developer cartridge (7) that is mounted on the mounting unit (5) by wireless communication. The two wireless readers (6) corresponding to the two mounting units (5) are provided at different positions in a second direction (D2) orthogonal to the first direction (D1) and longitudinal directions (D3) of the mounting units (5).