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. 19, 1996
Filed:
Sep. 01, 1994
Applicant:
Inventors:
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi ULSI Engineering Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J / ; H04L / ;
U.S. Cl.
CPC ...
370 13 ; 370 601 ;
Abstract
An ATM exchanger includes a plurality of switch units connected in multiple stages, in which a circuit is provided for writing a test cell pattern into and reading it from a buffer memory of each switch unit in accordance with an instruction from a controller, so that the test cell read from the buffer memory can be transferred appropriately to the controller.
Quick Actions:
Kozaki, Takahiko. (1996). Fixed-length packet switching system adapted for function test (U.S. Patent No. 5500851). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5500851
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile