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. 04, 1997
Filed:
May. 23, 1995
Applicant:
Inventors:
Ryuji Hyodo, Kawasaki, JP;
Susumu Eda, Kawasaki, JP;
Katsumi Oomuro, Kawasaki, JP;
Osamu Sekihata, Kawasaki, JP;
Kenji Tanaka, Kawasaki, JP;
Hiroyuki Hatta, Kawasaki, JP;
Reiko Norizuki, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ; H04Q / ;
U.S. Cl.
CPC ...
370250 ; 370395 ; 370413 ;
Abstract
An ATM multiplex transmission system including an ATM adaptation layer (AAL) processing unit, an ATM cross connection processing unit having a switch and FIFO memories connected to the incoming and outgoing sides, and dummy load cell generating units which forcibly write dummy load cells in the incoming FIFO memories or outgoing FIFO memories, the writing of the dummy load cells being used to execute a load test on the FIFO memories.