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US 7,003,496 B2Granted
Terminal apparatus, information service center, transmitting system, and transmitting method
AssigneeSony Corporation
InventorsMichito Ishii, Junichi Nakamura, Shuichi Ootsu
Life of this patent
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Abstract
A transmitting system is provided in which a data once downloaded in a memory means of a terminal apparatus from an information service center is returned to the information service center while the returned data is deleted from the memory means of the terminal apparatus, and a fee for a next new data purchased by the terminal apparatus from the information service center is discounted or not charged.
Claims7
A system that transfers data between an information service center and a plurality of terminals, comprising:
- first and second terminals, each including
- receiving means for receiving data served from the information service center;
- first memory means for storing the data received by the receiving means;
- operation means operable to direct the terminal apparatus to delete and transfer unnecessary data of the data stored in the first memory means to the information service center;
- second memory means for storing information of a reproduction frequency of each individual data stored in the first memory means;
- and
- transmitting means for transmitting to the information service center the unnecessary data and for transmitting the information of the reproduction frequency of the unnecessary data deleted from the first memory means and transmitted to the information service center, wherein the information service center calculates an equivalent exchange rate based on the information transmitted by the transmitting means, and discounts for a subsequent new served data based on the calculated equivalent exchange rate.
4 more elements
Dependencies are inferred from the claim text.