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:
Sep. 14, 2004
Filed:
Jul. 15, 2003
Applicant:
Inventors:
David T. Jennings, III, Santa Barbara, CA (US);
Alex A. Kouznetsov, Santa Barbara, CA (US);
Assignee:
Special Devices, Inc., Moorpark, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42B 3/10 ; F42B 3/12 ; F42C 1/100 ; F42C 1/912 ;
U.S. Cl.
CPC ...
F42B 3/10 ; F42B 3/12 ; F42C 1/100 ; F42C 1/912 ;
Abstract
An electronic blasting system in which the electronic detonator, when attached to a blasting machine or logger, automatically senses and determines whether it is attached to a blasting machine or a logger, preferably by utilizing a different operating voltage for the blasting machine versus that of the logger, with the detonator being capable of distinguishing the respective operating voltages.