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. 28, 2016
Filed:
Jul. 01, 2013
Applicant:
Detnet South Africa (Pty) Limited, Sandton, ZA;
Inventor:
Craig Charles Schlenter, Sandton, ZA;
Assignee:
DETNET SOUTH AFRICA (PTY) LIMITED, Sandton, ZA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23Q 21/00 (2006.01); F42D 1/02 (2006.01); F42D 1/055 (2006.01); F42D 1/04 (2006.01);
U.S. Cl.
CPC ...
F42D 1/02 (2013.01); F42D 1/04 (2013.01); F42D 1/055 (2013.01);
Abstract
A detonator roll call method wherein each detonator is assigned a unique identifier and, at each detonator, in response to an enquiry signal to all the detonators a count is incremented and compared to the roll call identifier and, if the comparison is positive, a reply is sent by the detonator.