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:
Jun. 22, 1993
Filed:
Jan. 29, 1991
Applicant:
Inventor:
Toyoaki Sagawa, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
370 8513 ; 370 8514 ; 370 859 ;
Abstract
A bridge apparatus which judges whether a destination address of a frame relayed to a trunk line LAN is registered in other bridge apparatus or not using a control apparatus provided therein, relays the frame with a proper destination address in accordance with the result of the judgment, and allows the relaying to be carried out securely even if an address of a destination terminal has not been registered in the bridge apparatus.