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:
Mar. 20, 2007
Filed:
Sep. 30, 2003
Jay B. Chase, Alameda, CA (US);
Philip A. Pincosy, Oakland, CA (US);
Donna M. Chato, Tracy, CA (US);
Hugh Kirbie, Los Alamos, CA (US);
Glen F. James, Livermore, CA (US);
Jay B. Chase, Alameda, CA (US);
Philip A. Pincosy, Oakland, CA (US);
Donna M. Chato, Tracy, CA (US);
Hugh Kirbie, Los Alamos, CA (US);
Glen F. James, Livermore, CA (US);
The Regents of the University of California, Oakland, CA (US);
Abstract
The present invention is directed to a system having a plurality of capacitor discharge units (CDUs) that includes electrical bridge type detonators operatively coupled to respective explosives. A pulse charging circuit is adapted to provide a voltage for each respective capacitor in each CDU. Such capacitors are discharged through the electrical bridge type detonators upon receiving an optical signal to detonate respective operatively coupled explosives at substantially the same time.