Information transmitting method and equipment, information receiving method and equipment, information transmission system and method, and information recording medium
An information transmission system and information transmission technology, applied in the field of information transmission equipment, can solve the problems of insufficient protection of copyright information and unencoded music information.
Inactive Publication Date: 2006-07-12
PIONEER CORP
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, before encoding based on the DTCP standard in the set-top box and after decoding in the information recording device, it is possible that the music information is not encoded
Therefore, there is a problem that copyright information is not sufficiently protected at each stage
Method used
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[0083] Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
[0084] The preferred embodiment describes a case in which the present invention is applied to an information transmission system capable of receiving recorded information such as music information broadcast through broadcast waves using a set-top box, conforming to the IEEE1394 standard through serial The bus transmits the information, and further, records the information on a DVD-R (DVD-Recordable), which is an optical disc capable of being recorded on a recorder.
[0085] (I) IEEE1394 standard
[0086] First, before describing a specific embodiment, an outline of the above IEEE1394 standard based on which record information is transmitted according to this embodiment will be described.
[0087] Generally, in the IEEE1394 standard, a plurality of information processing units (hereinafter, simply referred to as nodes) are connected through a seri...
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Encrypted music information or the like and encryption processing information itself employed for the encrypting is transmitted from a set top box (BX) to a recorder (R) via a serial bus (B) after decoded, and the music information or the like is recorded in a DVD-R (1). Upon this recording, the music information encoded by employing an asynchronous transmission region in the IEEE 1394 standard that is a standard with which the serial bus (B) conforms is transmitted at a high speed. On the other hand, encode processing information encoded by employing an isochronous transmission region in the IEEE 1394 standard is transmitted at a 1-fold speed.
Description
technical field [0001] The present invention relates to a technical field: an information sending device; an information sending method; an information receiving device; an information receiving method; an information transmission system; an information transmission method; and an information recording medium. More specifically, the present invention relates to a technical field: an information sending device, an information sending method, an information receiving device, and an information receiving method capable of sending / receiving coded information and coded processing information used for coding; including information sending devices or information receiving an information transmission system of the device; and an information recording medium having a transmission control program or a reception control program recorded therein. Background technique [0002] Conventionally, broadcasts of music information or the like using broadcast waves are received by a broadcast re...
Claims
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IPC IPC(8): G06F13/00H04L9/00G06F13/38G06F21/10G11B20/00H04H1/00H04L9/36H04L12/28H04L29/06H04N5/765H04N5/92H04N7/167H04N21/4367H04N21/4408H04W12/00
CPCG11B20/0021H04N21/4408H04N21/43632H04L63/0428G11B20/00086H04N21/4367H04N21/8113H04N21/4135H04N21/43622G06F13/00
Inventor 黑田和男守山义明桥本隆内藤明彦
Owner PIONEER CORP