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:
Jan. 16, 1990
Filed:
Oct. 18, 1988
Applicant:
Inventors:
Masanobu Fujioka, Ohmiya, JP;
Katsuyuki Utaka, Musashino, JP;
Assignee:
Kokusai Denshin Denwa Kabushiki Kaisha, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
370-3 ; 370-1 ; 370 60 ; 455601 ;
Abstract
An optical packet switching system is disclosed in which a routing signal is composed of a wavelength-multiplexed optical signal and an information part and a packet end code are also composed of optical signals. In accordance with the present invention, a switching network is formed by a multi-stage combination of light triggering switches which are closed depending on the presence or absence of a particular wavelength in the wavelength-multiplexed optical signal.
Fujioka, Masanobu. (1990). Optical packet switching system using multi-stage combination of light (U.S. Patent No. 4894818). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4894818
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile