Patent ID: 6622004
Filing Date: 2003-09-16
Classification: H04H,H04N

Abstract:
A data receiver that, out of module data transmitted in a carousel sending scheme with module identifiers attached, selectively receives module data to which prescribed module identifiers are attached, comprising:module data selection means for selecting module data matching given selection conditions, and outputting those module data; memory means capable of storing said data so output; pre-read control means for sending selection conditions for pre-reading module data associated with module data output by said module data selection means to said module data selection means; and empty capacity acquisition means for acquiring empty capacity in said memory means; wherein: said pre-read control means decide whether or not volume of data in said module data subject to pre-reading is smaller than said empty capacity acquired and, when said volume of data in said module data is smaller, send selection conditions to said module data selection means so that those module data subject to pre-reading are selected.