Invention Grant
- Patent Title: Digital information recording apparatus, reproducing apparatus and transmitting apparatus
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Application No.: US15690640Application Date: 2017-08-30
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Publication No.: US10529372B2Publication Date: 2020-01-07
- Inventor: Hiroo Okamoto , Hitoaki Owashi , Atsushi Yoshioka
- Applicant: Maxell, Ltd.
- Applicant Address: JP Kyoto
- Assignee: Maxell, Ltd.
- Current Assignee: Maxell, Ltd.
- Current Assignee Address: JP Kyoto
- Agency: Mattingly & Malur, PC
- Priority: JP2000-384891 20001213; JP2000-393271 20001221; JP2001-002053 20010110
- Main IPC: H04N21/00
- IPC: H04N21/00 ; H04N21/20 ; G11B20/00 ; G11B20/10 ; G11B19/06 ; G11B19/12 ; H04N5/76 ; H04N21/254 ; H04N21/432 ; H04N21/433 ; H04N21/442 ; H04N21/454 ; H04N21/4627 ; H04N21/8355 ; H04N5/913 ; H04N21/23 ; H04N21/458

Abstract:
A digital information recording apparatus includes a recording circuit for recording information of a retention period included in the digital information and indicating a period for permitting the digital information to be held in the recording medium, starting with a time at which the digital information is recorded on the recording medium; and information of a playback permission period included in the digital information and indicating a period for permitting the digital information to be played back starting with a time at which the information is reproduced initially following recording of the digital information on the recording medium, permitting temporary recording or copying for the information permitted for “copy never” or “copy one generation.”
Public/Granted literature
- US20170365292A1 DIGITAL INFORMATION RECORDING APPARATUS, REPRODUCING APPARATUS AND TRANSMITTING APPARATUS Public/Granted day:2017-12-21
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