Crane system, position measurement system, and position measurement method
The crane system addresses battery depletion issues by using energy-harvesting wireless transmitters powered by electromagnetic waves, ensuring reliable and cost-effective position measurement for cargo handling.
JP2026087256APending Publication Date: 2026-05-27SUMITOMO HEAVY IND LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- SUMITOMO HEAVY IND LTD
- Filing Date
- 2024-11-15
- Publication Date
- 2026-05-27
AI Technical Summary
Technical Problem
Conventional crane systems using wireless signal transmitters for cargo handling face issues with battery depletion and high replacement costs due to limited use scenarios and difficulty in replacing batteries, especially on container ships.
Method used
A crane system with a wireless signal transmitting unit powered by energy harvesting, utilizing electromagnetic waves from nearby crane equipment, and a receiving unit on the crane to measure object positions, enabling reliable operation without batteries.
Benefits of technology
Ensures reliable and cost-effective wireless signal transmission for position measurement by harnessing electromagnetic waves, reducing maintenance frequency and overcoming battery-related limitations.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure 2026087256000001_ABST
Abstract
The present invention provides a crane system, a position measurement system, and a position measurement method that enable more reliable operation of the wireless signal transmission unit. [Solution] The wireless signal receiving unit 52 can receive signals from the wireless signal transmitting unit 51 on the crane 1 side. Therefore, the crane system 100 can measure the position of an object by measuring the position information of the wireless signal transmitting unit 51 relative to the crane 1 based on the signals received by the wireless signal receiving unit 52. Here, the wireless signal transmitting unit 51 can be operated using power generated from the environment. Therefore, even if the wireless signal transmitting unit 51 does not have its own battery, it can transmit signals by generating power from the environment at the timing of the cargo handling operation of the crane 1. As a result, the wireless signal transmitting unit 51 can be operated more reliably.
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Citation Information
Patent Citations
Crane operation assistance device
JP2018193158A