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:
Feb. 19, 2013
Filed:
Jan. 27, 2010
Muneyuki Suzuki, Inagi, JP;
Muneyuki Suzuki, Inagi, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A conversion apparatus includes a first interface unit connecting to an asynchronous communication network to receive a packet signal, a signal conversion unit converting the packet signal into an intra-apparatus signal, a packet-discard determination unit determining whether or not any portion of the packet signal is discard, a clock selection unit selecting a reference clock signal, a loss-of-synchronization determination unit determining whether or not a loss-of-synchronization error is occurring in the reference clock signal, an alarm control unit generating one of first, second, and third control signals, a framer generating a frame signal in response to the first control signal, an alarm signal in response to the second control signal, and a synchronous signal in response to the third control signal, and a second interface unit connecting to a synchronous communication network to transmit one of the frame signal, the alarm signal, and the synchronous signal.