Wireless Radiographic Imaging Channel Switching Feedback
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Solution Overview
Problem
Radiographic image capturing systems face interference issues during wireless data transfer due to overlapping channels with other medical equipment, leading to unpredictable radio interference and temporary suspension of data transfer, which can be misinterpreted by radiological technicians as system defects.
Innovation Solution
A radiographic image capturing system that includes a channel switch controlling device and a notifying device to switch channels and inform operators of the switching operation, ensuring transparency and minimizing unnecessary operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless communication is used to transfer signal values from the radiographic image capturing apparatus to the console, then the radiological technician can operate smoothly without cable interference, but radio interference from other wireless devices causes unpredictable data transfer suspensions
Solution Approach 1:
The notifying device provides feedback to the operator about channel switching operations. When the channel switch controlling device detects radio interference and switches channels, the notifying device informs the operator of this automatic adjustment, preventing misinterpretation of data transfer suspensions as system defects.
Solution Approach 2:
The channel switch controlling device automatically monitors for radio interference and performs channel switching without operator intervention. The system self-manages the interference problem by detecting interference waves and autonomously switching to alternative channels, while the notifying device keeps the operator informed.
2Reliability
If the system automatically switches channels to avoid radio interference, then data transfer reliability improves, but the operator may not understand the cause of data transfer suspensions
Solution Approach 1:
The notifying device provides feedback to the operator about channel switching operations. When the channel switch controlling device detects radio interference and switches channels, the notifying device informs the operator of this automatic adjustment, preventing misinterpretation of data transfer suspensions as system defects.
Solution Approach 2:
The notifying device acts as an intermediary between the automatic channel switching system and the operator. It translates the system's automatic interference management actions into operator-friendly notifications, bridging the information gap without requiring the operator to directly monitor technical parameters.
3Reliability
If channel switching is performed to avoid interference waves from predetermined radar, then wireless communication reliability improves, but communication restrictions from other wireless devices become more difficult to implement
Solution Approach 1:
The channel switch controlling device performs multiple functions: it monitors for radio interference from various sources (including predetermined radar requiring DFS), automatically switches channels to avoid interference, and coordinates with the notifying device to inform operators. This multi-functional approach simplifies the overall system by consolidating interference management capabilities.
Solution Approach 2:
The system dynamically changes communication parameters (channel frequency) in response to detected interference. When interference waves are detected, the channel switch controlling device modifies the operating channel parameter to avoid the interfering frequency, enabling adaptation to various interference scenarios without requiring different system configurations.
Data Source
AI summary
A radiographic image capturing system includes: a radiographic image capturing apparatus which wirelessly transfers a signal value read from each of a plurality of radiation detecting elements; a channel switch controlling device capable of switching a channel used for wirelessly transferring the signal value from the radiographic image capturing apparatus to another channel; a notifying device which gives a notice to an operator who operates the radiographic image capturing system; and a display device which displays a radiographic image generated based on the signal value transferred from the radiographic image capturing apparatus, wherein the notifying device notifies an operator of the fact that the channel is being switched, at least once, while the radiographic image capturing apparatus is switching the channel.