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:
Dec. 23, 2008
Filed:
Jan. 24, 2001
Wolfgang Dultz, Frankfurt/M, DE;
Heidrun Schmitzer, Cincinnati, OH (US);
Leonid Beresnev, Columbia, MD (US);
Gisela Dultz, Frankfurt/M, DE;
Wolfgang Dultz, Frankfurt/M, DE;
Heidrun Schmitzer, Cincinnati, OH (US);
Leonid Beresnev, Columbia, MD (US);
Gisela Dultz, Frankfurt/M, DE;
Deutsche Telekom AG, , DE;
Abstract
A device for generating, adding and subtracting digital sequences of optical pulses and a method for the secure transmission of information. An interferometer having at least one electro-optical switch or electro-optical modulator positioned in one of its branch sections is used so that binary optical pulse sequences may be added and/or subtracted in the context of an electro-optical device and a method for the secure transmission of information using optical signals.