Digital information recording apparatus, reproducing apparatus and transmitting apparatus

• US 9,773,522 B2
• Filed: 05/15/2015
• Issued: 09/26/2017
• Est. Priority Date: 12/13/2000
• Status: Expired due to Term

• Current Assignee: Maxell, Ltd.
• Original Assignee: Hitachi Maxell Limited (Maxell, Ltd.)
• Inventors: Okamoto, Hiroo, Owashi, Hitoaki, Yoshioka, Atsushi
• Primary Examiner(s): Zhao, Daquan
• Application Number:
  US14/713,515
• Publication Number:
  US 20150340059A1
• Time in Patent Office: 865 Days
• Field of Search: 386239, 386248, 386252
• CPC Class Codes: G11B 19/06 by counting or timing of machine operations
• CPC Class Codes: G11B 19/122 involving the detection of an identification or authentication mark record carriers indicating unauthorised or prior use G11B23/28
• CPC Class Codes: G11B 20/00166 involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
• CPC Class Codes: G11B 20/00688 said measures preventing that a usable copy of recorded data can be made on another medium
• CPC Class Codes: G11B 20/10527 Audio or video recording; Data buffering arrangements G11B20/12 - G11B20/18 take precedence
• CPC Class Codes: G11B 2020/10537 Audio or video recording
• CPC Class Codes: H04N 2005/91314 the copy protection signal being a pulse signal inserted in blanking intervals of the video signal, e.g. pseudo-AGC pulses, pseudo-sync pulses
• CPC Class Codes: H04N 2005/91328 the copy protection signal being a copy management signal, e.g. a copy generation management signal [CGMS]
• CPC Class Codes: H04N 2005/91335 the copy protection signal being a watermark
• CPC Class Codes: H04N 2005/91364 the video signal being scrambled
• CPC Class Codes: H04N 21/2541 Rights Management protecting software against unauthorised usage in a vending or licensing environment G06F21/10; security in data switching network management H04L41/28; security management or policies for network security H04L63/20; access security in wireless networks H04W12/08
• CPC Class Codes: H04N 21/4325 by playing back content from the storage medium reproduction of recorded television signals H04N5/76; reproduction of recorded television signals H04N9/79
• CPC Class Codes: H04N 21/4334 Recording operations recording of a television signal H04N5/76; arrangements for recording or accumulating broadcast information or broadcast-related information H04H60/27
• CPC Class Codes: H04N 21/44204 Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched monitoring of user activities for profile generation for accessing a video database G06F16/739; protecting generic digital content where the protection is independent of the precise nature of the content G06F21/10; arrangements for monitoring the use made of the broadcast services in broadcast systems H04H60/31
• CPC Class Codes: H04N 21/4542 Blocking scenes or portions of the received content, e.g. censoring scenes
• CPC Class Codes: H04N 21/4627 Rights management associated to the content security in data switching network management H04L41/28; security management or policies for network security H04L63/20; access security in wireless networks H04W12/08
• CPC Class Codes: H04N 21/8355 involving usage data, e.g. number of copies or viewings allowed
• CPC Class Codes: H04N 5/76 Television signal recording
• CPC Class Codes: H04N 5/913 for scrambling ; for copy protection

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.”

Claims

1. A system, comprising:

a transmitter configured to transmit audio/video information;

a receiver configured to receive the audio/video information;

a storage medium configured to store the audio/video information; and

a reproducer configured to reproduce the audio/video information from the storage medium according to control information related to the audio/video information,

wherein the control information includes;

a first period for retaining the audio/video information on the storage medium, and a second period, that begins at the start of an initial reproduction of the audio/video information, for enabling a start of a reproduction of the audio/video information stored on the storage medium, and

wherein, in a case where an elapsed time from a retaining of the audio/video information is within the first period and an elapsed time from an initial reproduction of the audio/video information is within the second period, a reproduction of the audio/video information is enabled, and, in a case where a reproduction is started before the end of the first period and the reproduction is continuing at the end of the first period, the reproduction to an end of the audio/video information beyond the end of the first period is enabled, and thereafter a start of an another reproduction of the audio/video information is disabled even if an elapsed time from the initial reproduction of the audio/video information is within the second period.

2. The system according to claim 1, wherein the reproduction to the end of the audio/video information beyond the end of the first period is enabled if the reproduction is not stopped, paused or rewound.

3. The system according to claim 1, wherein the storage medium keeps storing the audio/video information after the end of the first period, and a start of a reproduction is disabled after the end of the first period.

4. A system, comprising:

a transmitter configured to transmit audio/video information;

a receiver configured to receive the audio/video information;

a storage medium configured to store the audio/video information; and

a reproducer configured to reproduce the audio/video information from the storage medium according to control information related to the audio/video information,

wherein the control information includes;

a first period for retaining the audio/video information on the storage medium, and a second period, that begins at the start of an initial reproduction of the audio/video information, for enabling a start of a reproduction of the audio/video information stored on the storage medium,

wherein, in a case where a remaining time of the first period is longer than the second period, a reproduction of the audio/video information is enabled, and, in a case where a remaining time of the first period is shorter than the second period and a reproduction is started before the end of the first period and the reproduction is continuing at the end of the first period, the reproduction to an end of the audio/video information beyond the end of the first period is enabled, and thereafter a start of an another reproduction of the audio/video information is disabled even if an elapsed time from the initial reproduction of the audio/video information is within the second period.

5. The system according to claim 4, wherein the reproduction to the end of the audio/video information beyond the end of the first period is enabled if the reproduction is not stopped, paused or rewound.

6. The system according to claim 4, wherein the storage medium keeps storing the audio/video information after the end of the first period, and a start of a reproduction is disabled after the end of the first period.

7. A system, comprising:

a transmitter configured to transmit audio/video information;

a receiver configured to receive the audio/video information;

a storage medium configured to store the audio/video information; and

a reproducer configured to reproduce the audio/video information from the storage medium according to control information related to the audio/video information,

wherein the control information includes;

a first period for retaining the audio/video information on the storage medium, and a second period, that begins at the start of an initial reproduction of the audio/video information, for enabling a start of a reproduction of the audio/video information stored on the storage medium, and

wherein, in a case where an elapsed time from a storing of the audio/video information is within the first period and an elapsed time from an initial reproduction of the audio/video information is within the second period, a reproduction of the audio/video information is enabled, and, in a case where a reproduction is started before the end of the first period and the reproduction is continuing at the end of the first period, the reproduction to an end of the audio/video information beyond the end of the first period is enabled, and thereafter a start of an another reproduction of the audio/video information is disabled even if an elapsed time from the initial reproduction of the audio/video information is within the second period.

8. The system according to claim 7, wherein the reproduction to the end of the audio/video information beyond the end of the first period is enabled if the reproduction is not stopped, paused or rewound.

9. The system according to claim 7, wherein the storage medium keeps storing the audio/video information after the end of the first period, and a start of a reproduction is disabled after the end of the first period.

10. A system, comprising:

a transmitter configured to transmit audio/video information;

a receiver configured to receive audio/video information;

a storage medium configured to store the audio/video information; and

a reproducer configured to reproduce the audio/video information from the storage medium according to control information related to the audio/video information,

wherein the control information includes;

a first period for retaining the audio/video information on the storage medium to be able to temporarily store the audio/video information on the storage medium, and a second period, that begins at the start of an initial reproduction of the audio/video information, for enabling a start of a reproduction of the audio/video information temporarily stored on the storage medium, and

wherein, in a case where a remaining time of the first period is longer than the second period, a reproduction of the audio/video information is enabled, and, in a case where a reproduction is started before the end of the first period and the reproduction is continuing at the end of the first period, the reproduction to an end of the audio/video information beyond the end of the first period is enabled, and thereafter a start of an another reproduction of the audio/video information is disabled even if an elapsed time from the initial reproduction of the audio/video information is within the second period.

11. The system according to claim 10, wherein the reproduction to the end of the audio/video information beyond the end of the first period is enabled if the reproduction is not stopped, paused or rewound.

12. The system according to claim 10, wherein the storage medium keep storing the audio/video information after the end of the first period, and a start of a reproduction is disabled after the end of the first period.

13. A method, comprising:

transmitting audio/video information;

receiving the audio/video information;

storing the audio/video information on a storage medium; and

reproducing the audio/video information from the storage medium according to control information related to the audio/video information,

wherein the control information includes;

a first period for retaining the audio/video information on the storage medium, and a second period, that begins at the start of an initial reproduction of the audio/video information, for enabling a start of a reproduction of the audio/video information stored on the storage medium, and

wherein, in a case where an elapsed time from a retaining of the audio/video information is within the first period and an elapsed time from an initial reproduction of the audio/video information is within the second period, enabling a reproduction of the audio/video information, and, in a case where a reproduction is started before the end of the first period and the reproduction is continuing at the end of the first period, enabling the reproduction to an end of the audio/video information beyond the end of the first period, and thereafter disabling a start of another reproduction of the audio/video information even if an elapsed time from the initial reproduction of the audio/video information is within the second period.

14. The method according to claim 13, wherein the reproduction to the end of the audio/video information beyond the end of the first period is enabled if the reproduction is not stopped, paused or rewound.

15. The method according to claim 13, wherein the storage medium keeps storing the audio/video information after the end of the first period, and a start of a reproduction is disabled after the end of the first period.

16. A method, comprising:

transmitting audio/video information;

receiving the audio/video information;

storing the audio/video information on a storage medium; and

reproducing the audio/video information from the storage medium according to control information related to the audio/video information,

wherein the control information includes;

a first period for retaining the audio/video information on the storage medium, and a second period, that begins at the start of an initial reproduction of the audio/video information, for enabling a start of a reproduction of the audio/video information stored on the storage medium, and

wherein, in a case where a remaining time of the first period is longer than the second period, enabling a reproduction of the audio/video information, and, in a case where a remaining time of the first period is less than the second period and a reproduction is started before the end of the first period and the reproduction is continuing at the end of the first period, enabling the reproduction to an end of the audio/video information beyond the end of the first period, and thereafter disabling a start of an another reproduction of the audio/video information even if an elapsed time from the initial reproduction of the audio/video information is within the second period.

17. The method according to claim 16, wherein the reproduction to the end of the audio/video information beyond the end of the first period is enabled if the reproduction is not stopped, paused or rewound.

18. The method according to claim 16, wherein the storage medium keeps storing the audio/video information after the end of the first period, and a start of a reproduction is disabled after the end of the first period.

20. The method according to claim 18, wherein the reproduction to the end of the audio/video information beyond the end of the first period is enabled if the reproduction is not stopped, paused or rewound.

21. The method according to claim 18, wherein the storage medium keeps storing the audio/video information after the end of the first period, and a start of a reproduction is disabled after the end of the first period.

23. The method according to claim 21, wherein the reproduction to the end of the audio/video information beyond the end of the first period is enabled if the reproduction is not stopped, paused or rewound.

24. The method according to claim 21, wherein the storage medium keep storing the audio/video information after the end of the first period, and a start of a reproduction is disabled after the end of the first period.

19. A method, comprising:

transmitting audio/video information;

receiving the audio/video information;

storing the audio/video information on a storage medium; and

reproducing the audio/video information from the storage medium according to control information related to the audio/video information,

wherein the control information includes;

a first period for retaining the audio/video information on the storage medium, and a second period, that begins at the start of an initial reproduction of the audio/video information, for enabling a start of a reproduction of the audio/video information stored on the storage medium, and

wherein, in a case where an elapse time from a storing of the audio/video information is within the first period and an elapsed time from an initial reproduction of the audio/video information is within the second period, enabling a reproduction of the audio/video information, and, in a case where a reproduction is started before the end of the first period and the reproduction is continuing at the end of the first period, enabling the reproduction to an end of the audio/video information beyond the end of the first period, and thereafter disabling a start of an another reproduction of the audio/video information even if an elapsed time from the initial reproduction of the audio/video information is within the second period.

22. A method, comprising:

transmitting audio/video information;

receiving the audio/video information;

storing the audio/video information on a storage medium; and

reproducing the audio/video information from the storage medium according to control information related to the audio/video information,

wherein the control information includes;

a first period for retaining the audio/video information on the storage medium to be able to temporarily store the audio/video information on the storage medium, and a second period, that begins at the start of an initial reproduction of the audio/video information, for enabling a start of a reproduction of the audio/video information temporarily stored on the storage, and

wherein, in a case where a remaining time of the first period is longer than the second period, enabling a reproduction of the audio/video information, and, in a case where a reproduction is started before the end of the first period and the reproduction is continuing at the end of the first period, enabling the reproduction to an end of the audio/video information beyond the end of the first period, and thereafter disabling a start of an another reproduction of the audio/video information even if an elapsed time from the initial reproduction of the audio/video information is within the second period.