Program distribution system for discarding program on reception terminal side
First Claim
1. A program distribution system in which a program executable by a program reception terminal is distributed from a program transmission apparatus to said program reception terminal via a network,wherein said program transmission apparatus comprises a transmitting section for transmitting, to said program reception terminal, the program and discarding procedure information related to a discarding procedure for discarding the program in said program reception terminal;
- wherein said program reception terminal comprises;
a program storage section for storing the program transmitted from said transmitting section; and
a discarding section for discarding the program stored in said program storage section according to the discarding procedure specified by the discarding procedure information transmitted from said transmitting section;
wherein the discarding procedure information includes a discard condition indicating that said program reception terminal is located outside of a predetermined area,wherein said discarding section includes;
a discard determining section for determining whether or not the discard condition included in the discarding procedure information is satisfied with respect to the program stored in said program storage section; and
a discard executing section for executing, when said discard determining section determines that the discard condition is satisfied, a discarding of the program stored in said program storage section; and
wherein said transmitting section is operable to wirelessly transmit the program and the discarding procedure information to said program reception terminal that has entered the predetermined area to be able to wirelessly communicate with said program transmission apparatus.
1 Assignment
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Accused Products
Abstract
A program distribution system capable of discarding a distributed program according to the properties of the program is provided. In the program distribution system, a program is distributed from a program transmission apparatus to a program reception terminal over a network. The program transmission apparatus includes a transmission processing section. The program reception terminal includes a reception-side storage section and a discard processing section. The transmission processing section transmits a program and discarding procedure information to the program reception terminal. The discarding procedure information relates to a procedure of discarding the program performed by the program reception terminal. The reception-side storage section stores the program transmitted from the transmission processing section. The discard processing section discards the program stored in the reception-side storage section according to a discarding procedure specified by the discarding procedure information transmitted from the transmission processing section.
19 Citations
16 Claims
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1. A program distribution system in which a program executable by a program reception terminal is distributed from a program transmission apparatus to said program reception terminal via a network,
wherein said program transmission apparatus comprises a transmitting section for transmitting, to said program reception terminal, the program and discarding procedure information related to a discarding procedure for discarding the program in said program reception terminal; -
wherein said program reception terminal comprises; a program storage section for storing the program transmitted from said transmitting section; and a discarding section for discarding the program stored in said program storage section according to the discarding procedure specified by the discarding procedure information transmitted from said transmitting section; wherein the discarding procedure information includes a discard condition indicating that said program reception terminal is located outside of a predetermined area, wherein said discarding section includes; a discard determining section for determining whether or not the discard condition included in the discarding procedure information is satisfied with respect to the program stored in said program storage section; and a discard executing section for executing, when said discard determining section determines that the discard condition is satisfied, a discarding of the program stored in said program storage section; and wherein said transmitting section is operable to wirelessly transmit the program and the discarding procedure information to said program reception terminal that has entered the predetermined area to be able to wirelessly communicate with said program transmission apparatus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A program reception terminal for executing a program distributed from a program transmission apparatus via a network, said program reception terminal comprising:
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a receiving section for receiving, when said program reception terminal has entered a predetermined area to be able to wirelessly communicate with the program transmission apparatus, a program and discarding procedure information related to a discarding procedure for discarding the program in said program reception terminal; a program storage section for storing the program received by said receiving section; and a discarding section for discarding the program stored in said program storage section according to the discarding procedure specified by the discarding procedure information received by said receiving section; wherein the discarding procedure information includes a discard condition indicating that said program reception terminal is located outside of the predetermined area; and wherein said discarding section includes; a discard determining section for determining whether or not the discard condition included in the discarding procedure information is satisfied with respect to the program stored in said program storage section; and a discard executing section for executing, when said discard determining section determines that the discard condition is satisfied, a discarding of the program stored in said program storage section.
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16. A program transmission apparatus for transmitting a program executable by a program reception terminal from said program transmission apparatus to the program reception terminal via a network, said program transmission apparatus comprising:
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a program storage section for storing the program to be executed by the program reception terminal; a discarding procedure information storage section for storing discarding procedure information related to a discarding procedure to be performed by the program reception terminal for discarding the program; and a transmitting section for transmitting, to the program reception terminal, the program stored in said program storage section and the discarding procedure information stored in said discarding procedure information storage section, wherein; the discarding procedure information includes a discard condition indicating that the program reception terminal is located outside of a predetermined area; and said transmitting section is operable to wirelessly transmit the program and the discarding procedure information to the program reception terminal that has entered the predetermined area to be able to wirelessly communicate with said program transmission apparatus.
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Specification