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:
Oct. 07, 1997
Filed:
Sep. 18, 1995
Akira Maruyama, Kawasaki, JP;
Katsumi Yoshida, Oyama, JP;
Fujitsu Limited, Kanagawa, JP;
Abstract
A testing apparatus for a transmission system provided with a test pattern insertion unit for inputting a test pattern to the transmission system to be tested and a test pattern confirmation unit for inspecting signals passing through the transmission system and discriminating if the test pattern was normally received, the testing apparatus being provided with a non-test pattern followup unit for sending out to the transmission system, a non-test pattern different from the test pattern for a predetermined time following the end of the testing, whereby continued output of an alarm due to a false synchronized state occurring in the testing apparatus is prevented.