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:
Dec. 16, 2019
Applicant:
Hanwha Corporation, Seoul, KR;
Inventors:
Se Ho Kim, Boeun-gun, KR;
Jeong Ho Choi, Boeun-gun, KR;
Assignee:
HANWHA CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42D 1/055 (2006.01); F42D 3/04 (2006.01);
U.S. Cl.
CPC ...
F42D 1/055 (2013.01); F42D 3/04 (2013.01);
Abstract
A detonator includes a control circuit and a charging circuit. The control circuit receives a first signal transmitted using a voltage applied to a cable by a blasting device and transmits a second signal to the blasting device using a current flowing to the cable. The charging circuit performs a charging operation by receiving the voltage through the cable. The charging circuit stops the charging operation while the control circuit transmits the second signal to the blasting device.