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. 28, 2008
Filed:
Apr. 06, 2005
Hiroyuki Matsuo, Yokohama, JP;
Mitsuhiro Kawaguchi, Kawasaki, JP;
Shosaku Yamasaki, Yokohama, JP;
Takashi Umegaki, Yokohama, JP;
Koji Komatsu, Yokohama, JP;
Yoshimasa Itsuki, Yokohama, JP;
Hiroyuki Matsuo, Yokohama, JP;
Mitsuhiro Kawaguchi, Kawasaki, JP;
Shosaku Yamasaki, Yokohama, JP;
Takashi Umegaki, Yokohama, JP;
Koji Komatsu, Yokohama, JP;
Yoshimasa Itsuki, Yokohama, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An apparatus has a cross connection circuit, first switching sections located on the input side of the cross connection circuit to switch a presently-used transmission path and a reserve transmission path, and second switching sections located on the output side of the cross connection circuit to switch the presently-used transmission path and the reserve transmission path and comprises slot sections, first selecting section selectively connecting any one of the slot sections to the input side of the first switching section, second selecting section connecting the output side of the first switching section to the input side of the cross connection circuit, third selecting section selectively connecting the output side of the cross connection circuit to the input side of any of the second switching sections, and fourth selecting section connecting the output side of the second switching section to any one of the slot sections.