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:
Sep. 13, 2022
Filed:
Aug. 15, 2019
Applicant:
Detnet South Africa (Pty) Ltd, Johannesburg, ZA;
Inventors:
Daniel August Julien Louis Maurissens, Orbe, CH;
Elmar Lennox Muller, Johannesburg, ZA;
Assignee:
DETNET SOUTH AFRICA (PTY) LTD, Johannesburg, ZA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42D 1/05 (2006.01); F42D 1/055 (2006.01); H04W 4/80 (2018.01); F42D 3/04 (2006.01);
U.S. Cl.
CPC ...
F42D 1/055 (2013.01); F42D 3/04 (2013.01); H04W 4/80 (2018.02);
Abstract
A blasting system which includes control equipment and a plurality of detonators which are located in respective boreholes formed in rock, wherein signals from the detonators are magnetically transmitted wirelessly through the rock to the control equipment via different paths between successive detonators, and wherein a signal from the control equipment can be simultaneously transmitted to all of the detonators.