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:
Jan. 16, 2024
Filed:
Feb. 02, 2021
Applicant:
Detnet South Africa (Pty) Ltd, Johannesburg, ZA;
Inventors:
Elmar Lennox Muller, Johannesburg, ZA;
Christiaan Tielman Meyer, Johannesburg, ZA;
Abraham Johannes Liebenberg, Johannesburg, ZA;
Assignee:
DETNET SOUTH AFRICA (PTY) LTD, Johannesburg, ZA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42C 15/42 (2006.01); F42D 1/05 (2006.01);
U.S. Cl.
CPC ...
F42C 15/42 (2013.01); F42D 1/05 (2013.01);
Abstract
A wireless detonator assembly which includes a detonator, a receiver, a printed circuit board with a stored key which is hardwired onto the board during manufacture of the detonator assembly and control logic which allows the detonator to be fired only if the control logic extracts from a signal, received by the receiver, a reference key which is identical to the stored key.