公开(公告)号：US20230357072A1

公开(公告)日：2023-11-09

申请号：US17777431

申请日：2021-04-21

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Ju Hyeon CHOI ,  Jeong Hwan IN ,  Seon Hoon KIM

IPC: C03C3/12 ,  C03C4/10

CPC classification number: C03C3/122 ,  C03C4/10

Abstract: A composition for mid-infrared light transmitting glass and a method for preparing same are disclosed. Provided according to an embodiment of the present invention are a composition for mid-infrared light transmitting glass and a method for preparing same, wherein the composition can be manufactured into a lens that has both excellent optical properties and physical properties.

公开(公告)号：US20230401845A1

公开(公告)日：2023-12-14

申请号：US18235388

申请日：2023-08-18

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Seon Hoon KIM ,  Doo Gun KIM ,  Young Ho SONG ,  Seung Heon HAN ,  Ju Hyeon CHOI ,  Jeong Hwan IN

IPC: G06V20/17 ,  G05D1/00 ,  G05D1/10 ,  G06V10/764 ,  G06V10/774 ,  G06V20/10 ,  G06V20/68

CPC classification number: G06V20/17 ,  G05D1/0094 ,  G05D1/101 ,  G06V10/764 ,  G06V10/774 ,  G06V20/188 ,  G06V20/68 ,  B64U10/13

Abstract: A fruit quantity measurement system includes an unmanned aerial vehicle configured to receive GPS information about a fruit tree region of a predetermined area and an RF signal transmitted from an RF transmitter installed for each fruit tree and provide fruit tree images captured using at least one image sensor while flying based on a predetermined flight plan over the fruit tree region, and a monitoring server configured to be connected to the unmanned aerial vehicle through a communication network to receive GPS information and an RF signal from the unmanned aerial vehicle, match and store location data for each fruit tree, analyze the fruit tree image, measure the number of fruits for each fruit tree, store fruit counting information, and provide the stored location data or fruit counting information for each fruit tree according to a request from a user terminal authorized in advance.