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.

Date of Patent:
Mar. 13, 2018

Filed:

Apr. 27, 2017
Applicant:

Dynaenergetics Gmbh & Co. KG, Troisdorf, DE;

Inventors:

Andreas Robert Zemla, Much, DE;

Sascha Thieltges, Siegburg, DE;

Frank Graziola, Königswinter, DE;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F42D 1/05 (2006.01); F42C 15/40 (2006.01); H02H 3/20 (2006.01);
U.S. Cl.
CPC ...
F42D 1/05 (2013.01); F42C 15/40 (2013.01); H02H 3/202 (2013.01);
Abstract

The present disclosure describes an electronic ignition circuit ('EIC') for controlling at least one detonator. The EIC may include a protection circuit, an input circuit coupled to the protection circuit, a logical circuit electrically coupled to the input circuit, and an ignition circuit electrically coupled to the logical circuit. The protection circuit may include at least one of a fuse, a circuit breaker and an automatic switch. The logical circuit may include an answer back circuit, and a switching circuit adapted to switch to the next detonator or igniter. The ignition circuit may include a capacitor charging circuit, a capacitor discharge circuit to discharge a firing capacitor through a fuse head, and a shot detection circuit adapted to measure a voltage across the firing capacitor before discharging through the fuse head and to measure a voltage after discharging through the fuse head.


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