Installation-Preset Wireless Antennas for Radiation Imaging

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Solution Overview

Problem

Existing radiation imaging systems face inefficiencies in antenna selection for wireless communication due to reliance on environment-specific communication strength measurements, leading to reduced imaging efficiency.

Innovation Solution

A radiation imaging system that presets an antenna to be used from a plurality of antennas based on installation conditions, using antenna initial value information transmitted from a data processing apparatus to efficiently control antenna selection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If antenna selection is based on communication strength measurement, then wireless communication reliability is improved, but imaging efficiency deteriorates due to unnecessary selection control

Engineering Contradiction:
Improvewireless communication reliabilityVSAvoidimaging efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent applies preliminary action by presetting the antenna to be used based on installation conditions before actual imaging operations. The data processing apparatus stores antenna initial value information corresponding to different installation conditions (e.g., wall-mounted, ceiling-mounted, portable) and transmits this preset information to the radiation imaging apparatus. This eliminates the need to perform communication strength measurements during each imaging operation, thereby resolving the contradiction between maintaining communication reliability and improving imaging efficiency.

Inventive Principle:
Principle #10Preliminary action

2Stability of the object's composition

If antenna selection control is performed based on environment-specific measurements, then communication stability is improved, but system complexity increases

Engineering Contradiction:
Improvecommunication stabilityVSAvoidsystem complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The patent applies parameter changes by shifting the antenna selection criterion from dynamic communication strength measurements to static installation condition parameters. Instead of continuously measuring and comparing communication signals, the system selects antennas based on preset information corresponding to installation conditions (wall-mounted, ceiling-mounted, portable). This simplifies the system by replacing complex real-time measurement and decision-making mechanisms with a simpler parameter-based selection approach, while maintaining communication stability.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12461257B2Radiation imaging apparatus, data processing apparatus, radiation imaging system, and control method for radiation imaging system
Publication Date: 2025.11.04 CANON KK
  • US12461257B2 patent drawing
  • US12461257B2 patent drawing
  • US12461257B2 patent drawing

AI summary

A radiation imaging system includes a data processing apparatus and a radiation imaging apparatus. The radiation imaging apparatus includes a plurality of antennas for transmitting and receiving data to and from the data processing apparatus via wireless communication. The data processing apparatus transmits, to the radiation imaging apparatus, information about an antenna that is preset as an antenna to be used from among the plurality of antennas. The radiation imaging apparatus selects, based on the information, the antenna to be used from the plurality of antennas.