Patent ID: 11952244
Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
Field: Handling (Mechanical engineering)
Classification: CPC B  G  H | IPC B  G  H

Claim 3:
4. The crane according to claim 3, further comprising:
a main body tag as an electronic tag which is provided in the main body portion and in which specific identification data is recorded in advance, wherein
the tag reader further executes processing of reading the specific identification data from the main body tag by the radio communication and processing of detecting a reception intensity corresponding to the main body tag,
the data acquisition portion further acquires the specific identification data and reception intensity data indicative of a detected reception intensity corresponding to the main body tag from the tag reader, and
the data processing device further includes a first reference setting portion which sets the reference intensity with a reception intensity indicated by the reception intensity data corresponding to the specific identification data as a reference.