Cryptography – Video cryptography
Reexamination Certificate
2011-06-28
2011-06-28
Dinh, Minh (Department: 2432)
Cryptography
Video cryptography
C380S022000, C380S042000, C713S193000, C726S026000, C726S027000, C726S029000, C726S030000
Reexamination Certificate
active
07970137
ABSTRACT:
Content reproduction apparatus, content recording apparatus, network system, and method of recording and reproducing content are provide. The content reproduction apparatus includes an original content reception section for receiving streams of original content; an encrypted content transmission section for encrypting the streams of original content received by the original content reception section for transmission so as to be recorded on an external content recording apparatus through a network; an information transmission section for transmitting information about the transmitted content including identifying information of a self apparatus so as to be recorded on a recording medium of the content recording apparatus in association with the encrypted streams of content; a content requesting section for requesting the content recording apparatus to acquire the encrypted streams of content recorded in association with the identifying information of the self apparatus; and a content reproduction section for receiving the encrypted streams of content transmitted from the content recording apparatus in accordance with the request, and decrypting the encryption for reproduction.
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Dinh Minh
K&L Gates LLP
Perungavoor Venkat
Sony Corporation
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