Abstract: A particle measuring system including two drying units. One drying unit serves to dry fine particles, and the other drying unit serves to regenerate a dehumidifying agent. The dehumidifying agent is regenerated and used semi-permanently without being replaced with a replacement and is used more conveniently without the inconvenience of a dehumidifying agent replacing operation. The continuity and accuracy of a measurement result is improved.
Type:
Grant
Filed:
February 15, 2019
Date of Patent:
December 29, 2020
Assignee:
HCTM CO., LTD.
Inventors:
Hongku Lee, Cheolhong Kim, Jeongsuk Choi, Youngmin Seo
Abstract: An omni-directional antenna using a rotator is disclosed. The omni-directional antenna is installed on the rotator having at least one rotation blade, and includes an antenna carrier unit disposed on at least one of top and bottom surfaces of the blade, and an antenna pattern unit formed on the antenna carrier unit.
Abstract: A coil-type loop antenna for a mobile device is installed in a mobile device, and includes an antenna coil which is arranged in the form of a coil wound around the outside surface of a housing of a permanent magnet structure having a permanent magnet on the inside thereof.