公开(公告)号：US11362422B2

公开(公告)日：2022-06-14

申请号：US16631446

申请日：2017-08-14

Applicant: ZN TECHNOLOGIES CO., LTD. ,  UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) ,  ZN OCEAN CO., LTD.

Inventor： Chang Soo Kang ,  Na Young Kim ,  Eun Gyu Bae ,  Mi Young Kim ,  Chul Gyun Park ,  Franklin Don Bien

IPC: H01Q1/34 ,  H04B5/00 ,  H04M1/18 ,  H01Q5/335

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.

公开(公告)号：US20240375856A1

公开(公告)日：2024-11-14

申请号：US18687946

申请日：2022-09-02

Applicant: ZN TECHNOLOGIES CO., LTD.

Inventor： Chul Gyun PARK ,  Chang Soo KANG ,  Dong Tak KIM

IPC: B65D90/48 ,  B65D90/00

Abstract: A management system according to the present invention may comprise: a body including an opening/closing door; a first terminal that is located inside the body, measures environment information inside the body, and generates first data on the basis of the measured environment information; a second terminal that is located outside the body, generates second data including state information of the opening/closing door, and generates third data on the basis of the first data and the second data; and a server that generates a signal including risk coefficient information indicating a contamination level inside the body on the basis of the third data, and transmits the signal to a user terminal.

公开(公告)号：US20200303819A1

公开(公告)日：2020-09-24

申请号：US16631446

申请日：2017-08-14

Applicant: ZN TECHNOLOGIES CO., LTD. ,  UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) ,  ZN OCEAN CO., LTD.

Inventor： Chang Soo KANG ,  Na Young KIM ,  Eun Gyu BAE ,  Mi Young KIM ,  Chul Gyun PARK ,  Franklin Don BIEN

IPC: H01Q5/335 ,  H01Q1/34 ,  H04B5/00 ,  H04M1/18

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.

公开(公告)号：US20190006875A1

公开(公告)日：2019-01-03

申请号：US15967175

申请日：2018-04-30

Applicant: ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY (UNIST) ,  ZN TECHNOLOGIES CO., LTD.

Inventor： Franklin Don Bien ,  Saikiran Oruganti ,  Jagannath Malik ,  Woojin Park ,  Bonyoung Lee ,  Nakyoung Ko ,  Seongkyu Song ,  Seoktae Seo ,  Chang Soo Kang ,  Chul Gyun Park

IPC: H02J7/02 ,  H02J7/00 ,  H02J50/20 ,  E05B47/00

Abstract: Disclosed is a door lock charging apparatus for receiving power from an external power supply and generating an electromagnetic field for charging a door lock apparatus, the door lock charging apparatus including an electromagnetic field generator electrically connected to a power supply and configured to generate an electromagnetic field on the conductive surface using the power supply and a charger configured to propagate the generated electromagnetic field to a door lock apparatus attached to a second position on the conductive surface.

公开(公告)号：US20220115787A1

公开(公告)日：2022-04-14

申请号：US17309445

申请日：2019-11-29

Applicant: ZN Technologies Co., Ltd. ,  ZN Ocean Co., Ltd.

Inventor： Eun Gyu Bae ,  Dae Heon Hur ,  Chang Soo Kang ,  Chul Gyun Park

IPC: H01Q9/04

Abstract: An electromagnetic coupling device and a wireless communication system comprising same are disclosed. One embodiment comprises: an antenna part having an impedance component; and an attachment part which attaches an electromagnetic coupling device to a conductor such that a certain interval is formed between the antenna part and the conductor, and which forms a capacitance between the antenna part and the conductor.

公开(公告)号：US20180241134A1

公开(公告)日：2018-08-23

申请号：US15552834

申请日：2016-12-12

Applicant: ZN Technologies Co., Ltd. ,  UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Chang Soo KANG ,  Chulgyun PARK ,  Na Young KIM ,  Franklin BIEN

IPC: H01Q21/06 ,  H04N7/18 ,  B60R16/023

CPC classification number: H01Q21/065 ,  B60R1/00 ,  B60R11/04 ,  B60R16/023 ,  B60R16/03 ,  B60R2011/004 ,  B60R2300/406 ,  H01P3/085 ,  H01Q1/3208 ,  H01Q1/3275 ,  H02J50/10 ,  H04B5/00 ,  H04B5/0037 ,  H04B7/0613 ,  H04N5/22521 ,  H04N5/225251 ,  H04N5/232 ,  H04N5/23241 ,  H04N7/183

Abstract: A camera apparatus includes a camera module configured to generate an input image, and a transceiving circuit configured to encode and modulate the input image and to provide an electric and/or magnetic first signal. Also, the camera apparatus includes an antenna attached to a metal body of a vehicle and configured to form an electromagnetic field on the metal body and to propagate the first signal received from the transceiving circuit by carrying the first signal in the electromagnetic field.