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.

Date of Patent:
Apr. 01, 2025

Filed:

Jul. 07, 2023
Applicant:

Hanwha Corporation, Seoul, KR;

Inventors:

Jeong Ho Choi, Cheongju-si, KR;

Se Ho Kim, Cheongju-si, KP;

Assignee:

HANWHA CORPORATION, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42C 11/06 (2006.01); H04L 27/00 (2006.01);
U.S. Cl.
CPC ...
H04L 27/0014 (2013.01); F42C 11/06 (2013.01); H04L 2027/0016 (2013.01);
Abstract

Proposed are an apparatus and a method for correcting a communication frequency of an electronic detonator, and the apparatus includes a communication packet reception part configured to receive communication packets generated at a preset frequency transmitted from a main control device, an oscillation frequency determination part configured to determine an oscillation frequency of an oscillator mounted in an MCU of an electronic detonator by referring to received communication packets, and an oscillation frequency correction part configured to analyze the communication packets by correcting a shift of a determined oscillation frequency.


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