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:
Apr. 09, 2024
Filed:
Jan. 23, 2020
Applicant:
Detnet South Africa (Pty) Ltd, Johannesburg, ZA;
Inventor:
Michiel Jacobus Kruger, Johannesburg, ZA;
Assignee:
DETNET SOUTH AFRICA (PTY) LTD, Johannesburg, ZA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42C 11/00 (2006.01); F42D 1/045 (2006.01);
U.S. Cl.
CPC ...
F42C 11/008 (2013.01); F42D 1/045 (2013.01);
Abstract
A detonator installation () in which a detonator fire capacitor () which is connected in series with an inductor () is charged from a low voltage source () by repeatedly opening and closing a switch () thereby to cause a collapsing magnetic field in the inductor () which results in a charging current flow to the capacitor (36).