Patent Number: 6,249,771

Title: Information providing system

Abstract: An information providing system according to this invention comprises a center for providing information, and at least one terminal for accepting an offer of information from the center. The terminal comprises a first terminal side memory unit where predetermined information is recorded in advance, a unit for generating a request signal for requesting the center to transmit updating information or supplementary information with respect to the predetermined information recorded at the first terminal side memory unit, a terminal side transmitting unit for transmitting the request signal to the center, a terminal side receiving unit for receiving the updating information or the supplementary information transmitted from the center, a second terminal side memory unit for storing the received updating information or supplementary information, and a reproducing unit for reproducing the predetermined information recorded at the first terminal side memory unit, or the updating information or supplementary information stored at the second terminal side memory unit. The center comprises a center side memory unit where the updating information or the supplementary information to be offered to the terminal is stored, a center side receiving unit for receiving the request signal transmitted from the terminal, an information retrieving unit for retrieving information of the center side memory unit on the basis of the request signal to obtain updating information or supplementary information requested on the terminal side, and a center side transmitting unit for transmitting, to the terminal, the updating information or the supplementary information obtained by the information retrieving unit.

Inventors: Kurihara; Akira (Tokyo, JP)

Assignee: Sony Corporation

International Classification: G06Q 30/00 (20060101); H04H 1/02 (20060101); H04N 7/173 (20060101); H04M 3/493 (20060101); H04M 3/487 (20060101); H04N 7/16 (20060101); H04H 001/08 ()

Expiration Date: 06/19/2018