Reproducing device, reproducing method, and receiving device

Details Reproducing device, reproducing method, and receiving device Reproducing device, reproducing method, and receiving device

2007-04-24

2007-04-24

Vu, Kim (Department: 2135)

Cryptography

Video cryptography

Copy protection or prevention

C726S031000

Reexamination Certificate

active

10102966

ABSTRACT:
A transmitting section divides a content recorded in a recording medium into data of a predetermined size, reproduces the data, and transmits the data to a receiving device. An erasing section erases the outputted data recorded in the recording medium, when the data of the predetermined size is transmitted to the receiving device. An EOB adding section adds an EOB, which shows an end of transmission, to the data transmitted from the transmitting section, when a power off signal is inputted during transmission of data by the transmitting section. An EOB-added data position storing section stores a recording position, on the recording medium, of the data to which the EOB is added. Then, a power off control section turns off a power of the device.

REFERENCES:
patent: 5592675 (1997-01-01), Itoh et al.
patent: 5699426 (1997-12-01), Tsukamoto et al.
patent: 5933570 (1999-08-01), Fujita
patent: 0 998 140 (1998-03-01), None
patent: 8-7534 (1996-01-01), None
European Search Report dated Apr. 6, 2006 for Appln. No. 02006894.6-2202.
Japanese Patent Office Action dated Feb. 20, 2004.
Digital Transmission Content Protection, vol. 1, Appendix B, Part 2, “Compliance Rules for Source Functions”, pp. B11-C13 and pp. 65-71.

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