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:
Jan. 20, 2004
Filed:
Feb. 09, 2000
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Abstract
A data reception apparatus that includes a storage unit for storing a direct directory message body specifying a data block identifier by the reference name, a key information selection unit for obtaining the reference name, a reception unit for receiving multiplexed data of indirect directory message blocks, data blocks, and the direct directory message body data, a separation unit for separating the multiplexed data, a directly obtaining unit for outputting the data block identifier using the direct directory message body, a selection unit for outputting the identifier using indirect directory message bodies, a directory message body obtaining unit , an indirect obtaining unit , a data block selection unit for selecting the data block according to the output identifier and for extracting a data file, a selection unit for restoring and storing the direct directory message body, and a restoration unit . When a direct directory message body includes a reference name, a data block identifier may be directly specified by the reference name without tracing indirect directory message bodies, and when a direct directory message body does not include a reference name, another direct directory message body is obtained and stored. As a result, the time for reception process is reduced.