Patent ID: 11953491
Assignee: KELK LTD.
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A detection device that is capable of being attached to a through hole, comprising:
a main body portion including an insertion portion that is capable of being disposed inside the through hole and a head portion that is disposed outside the through hole when the insertion portion is disposed inside the through hole;
a detection portion disposed in the insertion portion and configured to detect a state of a fluid;
a cover portion disposed so as to form a gap between the cover portion and the head portion;
an insulating portion having a cylindrical lateral wall and disposed so as to be sandwiched between the head portion and the cover portion; and
an oscillation portion accommodated inside the insulating portion and configured to perform a wireless output of a detection result of the detection portion using the head portion, the cover portion, and the gap as a slot antenna.