The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 2022
Filed:
Aug. 14, 2017
Zn Technologies Co., Ltd., Ulsan, KR;
Unist(ulsan National Institute of Science and Technology), Ulsan, KR;
Zn Ocean Co., Ltd., Busan, KR;
Chang Soo Kang, Gyeonggi-do, KR;
Na Young Kim, Seoul, KR;
Eun Gyu Bae, Gyeonggi-do, KR;
Mi Young Kim, Gyeonggi-do, KR;
Chul Gyun Park, Seoul, KR;
Franklin Don Bien, Ulsan, KR;
ZN TECHNOLOGIES CO., LTD., Ulsan, KR;
UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), Ulsan, KR;
ZN OCEAN CO., LTD., Busan, KR;
Abstract
The present invention relates to an interphone device for use in ships, the interphone device comprising: an input/output unit to which a voice is input or from which a voice is output; a transmission/reception circuit unit which receives the voice from the input/output unit and provides a first signal obtained by encoding and modulating the received voice; and an antenna which is attached to the metal hull of the ship, forms an electromagnetic field in the metal hull, and carries the first signal received from the transmission/reception circuit unit by the electromagnetic field, so as to propagate the first signal.