Information processing apparatus and method therefor

Patent metadata

Field	Value
Publication number	US-8990419-B2
Application number	US-201213649487-A
Country	US
Kind code	B2
Filing date	Oct 11, 2012
Priority date	Nov 2, 2011
Publication date	Mar 24, 2015
Grant date	Mar 24, 2015

Abstract

A table is generated in which content information for digital contents and the relation between the digital contents are registered. A request message indicating a content identifier and data range of a requested digital content is received. A determination is made regarding the presence of a digital content corresponding to the requested digital content based on the table and the content identifier indicated by the request message, and a determination is made regarding a data range based on the table and the data range indicated by the request message. Based on the results of the determinations, the content identifier and data range of the digital content corresponding to the data range indicated by the request message are decided by referring to the table. A message to the request message is transmitted based on the determinations and the decision.

First claim

What is claimed is:

1. An information processing apparatus comprising:
a receiver configured to receive a request message indicating a requested content identifier and a requested data range of a requested digital content, wherein the requested data range corresponds to a part of the requested digital content;
a determiner configured to determine whether a digital content corresponding to the requested content identifier includes the requested data range;
a decider configured…

Assignees

• Canon Kk

Inventors

• Tamiya Keisuke

Classifications

• H04N21/8456

  Electricity · mapped topic

• H04N21/6581

  Electricity · mapped topic

• H04N21/21805

  Electricity · mapped topic

• H04N7/181 Primary

  Electricity · mapped topic

• H04N21/6175

  Electricity · mapped topic