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. 23, 1999
Filed:
Nov. 10, 1997
Fujitsu Limited, Kanagawa, JP;
Abstract
A centralized test apparatus is provided for an ATM exchange system. The test apparatus monitors cells transmitted through a specified line connected to an office unit of the exchange system or through a specified path in the exchange system, and measures the traffic of the specified line or path. The test apparatus has an instruction unit for issuing an instruction to test a cell transmitted through the specified line or path, a destination changer arranged in the office unit, for changing the destination header of the cell according to an instruction from the instruction unit, so that the destination header indicates a tester, a switching unit for guiding the cell to the tester according to the header, and the tester fixed in the exchange system, to centrally monitor and test the cell.