Digital broadcasting system for providing program and data...

Details Digital broadcasting system for providing program and data... Digital broadcasting system for providing program and data...

2005-12-20

2005-12-20

Ramos-Feliciano, Eliseo (Department: 2687)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S345000, C455S414100

Reexamination Certificate

active

06978152

ABSTRACT:
Ordinary data groups and index information indicating data names and memory locations of broadcasted data are transmitted in multiplex mode from the data broadcasting station101, and received by the onboard terminal103and/or the information service station104through the data distribution part102. The onboard terminal103detects the information which it does not hold by referring to the index information, and presents a list of data names at the onboard display part133. The service station104stores separately the data groups and the index information provided from the broadcasting station101, and in response to the download request from the onboard103, it examines whether the required data is located in SS memory part147by referring to the index data, and captures the required data from external memory locations defined in the index information if the required data is not stored.

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