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. 27, 2023
Filed:
Jan. 27, 2020
Applicant:
Detnet South Africa (Pty) Ltd, Johannesburg, ZA;
Inventors:
Michiel Jacobus Kruger, Johannesburg, ZA;
Daniel Auguste Maurissens, Orbe, CH;
Albertus Abraham Labuschagne, Brakpan, ZA;
Andre Louis Koekemoer, Boksburg, ZA;
Assignee:
DETNET SOUTH AFRICA (PTY) LTD, Johannesburg, ZA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42C 19/12 (2006.01); F42D 1/04 (2006.01);
U.S. Cl.
CPC ...
F42C 19/12 (2013.01); F42D 1/043 (2013.01);
Abstract
A control circuit for a detonator which includes a charger pump with an inductor which is connected to earth via a fusible link and wherein the charge pump is placed in an operative mode to produce a charging voltage for a firing capacitor if the link is fused in response to a shock tube event.