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:
May. 23, 2006
Filed:
Jun. 27, 2000
Yasuaki Yamagishi, Kanagawa, JP;
Yoshihisa Gonno, Kanagawa, JP;
Fumihiko Nishio, Tokyo, JP;
Kazuhiko Takabayashi, Tokyo, JP;
Kazuo Haraoka, Kanagawa, JP;
Yasuaki Yamagishi, Kanagawa, JP;
Yoshihisa Gonno, Kanagawa, JP;
Fumihiko Nishio, Tokyo, JP;
Kazuhiko Takabayashi, Tokyo, JP;
Kazuo Haraoka, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Information Broadcasting Laboratories, Inc., Tokyo, JP;
Abstract
A transmitting apparatus for transmitting a hierarchical structure of a directory for hierarchically managing locations of contents data is disclosed, that comprises a managing means for managing a hierarchical structure of a directory composed of a container entry and a leaf entry, a container entry containing information in the immediately lower hierarchical level thereof, a leaf entry being disposed in the immediately lower hierarchical level of a container entry, a leaf entry not containing information in the immediately lower hierarchical level thereof, a detecting means for detecting a change of the hierarchical structure of the directory managed by the managing means and obtaining first difference information and second difference information, the first difference information being the difference of container entries corresponding to the detected result, the second difference information being the difference of leaf entries corresponding to the detected result, and a transmitting means for transmitting third difference information for reproducing the hierarchical structure of the directory at intervals of a predetermined time period along with the first difference information and the second difference information.