AV DATA TRANSMITTING APPARATUS AND AV DATA RECEIVING APPARATUS

• US 20090136207A1
• Filed: 08/28/2006
• Published: 05/28/2009
• Est. Priority Date: 09/01/2005
• Status: Abandoned Application

• Current Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Inventors: Nishimura, Takuya, Ayaki, Yasushi, Tanabe, Takumi, Iitsuka, Hiroyuki
• Application Number:
  US12/064,991
• Publication Number:
  US 20090136207A1
• Time in Patent Office: Days
• US Class Current: 386/239
• CPC Class Codes: G06F 21/1088 by using transactions with atomicity, consistency, or isolation and durability [ACID] properties
• CPC Class Codes: G11B 20/00086 Circuits for prevention of unauthorised reproduction or copying, e.g. piracy indicating unauthorised use of record carriers in general G11B23/28; scrambling for television signal recording H04N5/913; network architectures or network protocols for network security H04L63/00; cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
• CPC Class Codes: G11B 20/00492 wherein content or user data is encrypted
• CPC Class Codes: G11B 20/00666 involving a step of erasing or nullifying data, e.g. data being overwritten with a random string
• CPC Class Codes: G11B 20/00753 wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
• CPC Class Codes: G11B 20/00768 wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
• CPC Class Codes: G11B 2220/2516 Hard disks
• 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 2005/91364 the video signal being scrambled
• CPC Class Codes: H04N 21/4147 PVR [Personal Video Recorder] H04N5/76 takes precedence ; arrangements for broadcast with accumulation-type receivers H04H20/40
• CPC Class Codes: H04N 21/43622 Interfacing an external recording device
• CPC Class Codes: H04N 21/4367 Establishing a secure communication between the client and a peripheral device or smart card
• 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 5/76 Television signal recording
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/913 for scrambling ; for copy protection

Abstract

The AV data transmitting apparatus according to the present invention is an AV data transmitting apparatus which transmits AV data to an other apparatus, and includes: a recording unit that records AV data; an AV data transmitting unit which transmits, to the other apparatus, the AV data recorded by the recording unit; a notification receiving unit that receives, from the other apparatus, a success notification indicating that the recording of the AD data has succeeded; a control unit that performs processing to delete or invalidate the AV data recorded by the recording unit in the case where the success notification is received by the notification receiving unit; and a response transmitting unit that transmits, to the other apparatus, a notification response indicating a result of the processing performed by the control unit.

Claims

1-21. -21. (canceled)

22. An AV data transmitting apparatus which transmits AV data to an other apparatus, said apparatus comprising:

a recording unit operable to record the AV data;

an AV data transmitting unit operable to transmit the AV data recorded by said recording unit to the other apparatus;

a notification receiving unit operable to receive a success notification indicating that the recording of the AV data has succeeded from the other apparatus;

a control unit operable to delete or invalidate the AV data recorded by said recording unit when the success notification is received by said notification receiving unit; and

a response transmitting unit operable to transmit a notification response indicating a result of the processing performed by said control unit to the other apparatus.

23. The AV data transmitting apparatus according to claim 22,

wherein said notification receiving unit is operable to receive a failure notification indicating that the recording of the AV data has failed from the other apparatus, and

said control unit is operable to validate the AV data recorded by said recording unit when the failure notification is received by said notification receiving unit.

24. The AV data transmitting apparatus according to claim 22,

wherein said notification receiving unit is operable to receive an abort notification indicating that the processing is aborted from the other apparatus, and

said control unit is operable to validate the AV data recorded by said recording unit when the abort notification is received by said notification receiving unit.

25. The AV data transmitting apparatus according to claim 22,

wherein said AV data transmitting unit is operable to add first identification information to the AV data for identifying the AV data, and to transmit the AV data with the first identification information,

said notification receiving unit is operable to receive the success notification having second identification information added thereto, and

said control unit is operable to invalidate the transmitted AV data when the first identification information which has been added to the transmitted AV data does not correspond to the second identification information which has been added to the received success notification.

26. The AV data transmitting apparatus according to claim 22,

wherein said AV data transmitting unit is operable to divide the AV data on a predetermined unit basis, and to transmit the AV data on the predetermined unit basis, and

said control unit is operable to delete or invalidate the AV data on the predetermined unit basis.

27. The AV data transmitting apparatus according to claim 22, further comprising

a request transmitting unit operable to transmit a confirmation request for transmitting the success notification to the other apparatus.

28. The AV data transmitting apparatus according to claim 22,

wherein said notification receiving unit is operable to receive the success notification having verification information for verifying the success notification added thereto, and

said control unit is operable to verify whether or not the success notification is valid based on the verification information, and to invalidate the AV data when the verification has failed.

29. The AV data transmitting apparatus according to claim 22,

wherein said notification receiving unit is operable to receive the success notification to which a command number for identifying the success notification is added, and

said control unit is operable to confirm that the success notification is not the success notification which has already been received based on the command number, and to invalidate the AV data when the confirmation has failed.

30. The AV data transmitting apparatus according to claim 22,

wherein said response transmitting unit is operable to add verification information for verifying the notification response to the notification response, and to transmit the notification response with the added verification information.

31. An AV data receiving apparatus which receives AV data from an other apparatus, said apparatus comprising:

an AV data receiving unit operable to receive the AV data from the other apparatus;

a recording unit operable to record the AV data received by said AV data receiving unit;

a notification transmitting unit operable to transmit a success notification indicating that the recording of the AV data has succeeded to the other apparatus when the recording of the AV data has succeeded;

a response receiving unit operable to receive a notification response indicating a result of the processing performed by the other apparatus from the other apparatus; and

a control unit operable to invalidate the AV data after said AV data receiving unit receives the AV data, and to validate the AV data after said response receiving unit receives the notification response.

32. The AV data receiving apparatus according to claim 31,

wherein said notification transmitting unit is operable to transmit a failure notification indicating that the recording of the AV data has failed to the other apparatus, and

said control unit is operable to invalidate the AV data after said AV data receiving unit receives the AV data and to invalidate the AV data even after said response receiving unit receives the notification response.

33. The AV data receiving apparatus according to claim 31,

wherein said notification transmitting unit is operable to transmit an abort notification indicating that the processing is aborted to the other apparatus, and

said control unit is operable to invalidate the AV data after said AV data receiving unit receives the AV data and to invalidate the AV data even after said response receiving unit receives the notification response.

34. The AV data receiving apparatus according to claim 31,

wherein said AV data receiving unit is operable to receive the AV data having identification information for identifying the AV data added thereto, and

said notification transmitting unit is operable to transmit the success notification having the identification information.

35. The AV data receiving apparatus according to claim 31,

wherein said AV data receiving unit is operable to receive the AV data divided on a predetermined unit basis, and

said control unit is operable to control the success notification so as to transmit the success notification on the predetermined unit basis.

36. The AV data receiving apparatus according to claim 31, said apparatus further comprising

a request receiving unit operable to receive a confirmation request for transmitting the success notification from the other apparatus,

wherein said control unit is operable to control a confirmation notification so as to be transmitted to the other apparatus when the confirmation request is received by said request receiving unit, and

the confirmation notification indicates a result of the recording of the AV data.

37. The AV data receiving apparatus according to claim 31,

wherein said response receiving unit is operable to receive the notification response having verification information for verifying the success notification added thereto, and

said control unit is operable to verify whether or not the notification response is valid based on the verification information, and to invalidate the AV data when the verification has failed.

38. The AV data receiving apparatus according to claim 31,

wherein said notification transmitting unit is operable to add a command number for identifying the success notification to the success notification, and to transmit the success notification with the added command number.

39. The AV data receiving apparatus according to claim 31,

wherein said notification transmitting unit is operable to add verification information for verifying the success notification to the success notification and to transmit the success notification with the added verification information.

40. An AV data transmitting method which transmits AV data to an other apparatus, said method comprising:

recording the AV data;

transmitting the AV data recorded in said recording to the other apparatus;

receiving a success notification indicating that the recording of the AV data has succeeded from the other apparatus;

deleting or invalidating the AV data recorded in said recording, when the success notification is received in said receiving; and

transmitting a notification response indicating a result of said deleting or invalidating to the other apparatus.

41. An AV data receiving method which receives AV data from an other apparatus, said method comprising:

receiving the AV data from the other apparatus;

recording the AV data received in said receiving;

transmitting a success notification indicating that said recording of the AV data has succeeded to the other apparatus when the recording of the AV data has succeeded;

receiving a notification response indicating a result of the processing performed by the other apparatus from the other apparatus; and

invalidating the AV data after receiving the AV data in said receiving and validating the AV data after receiving the notification response in said receiving.

42. A computer readable medium having a program stored thereon for transmitting AV data from a transmitting apparatus to a receiving apparatus, said program, when executed by a computer, performs the steps of:

recording the AV data in the transmitting apparatus;

transmitting the recorded AV data to the receiving apparatus;

receiving a success notification indicating that the recording of the AV data has succeeded in the receiving apparatus;

deleting or invalidating the AV data recorded in the transmitting apparatus when the success notification is received from the receiving apparatus; and

transmitting a notification response indicating a result of the deletion or invalidation to the receiving apparatus.

43. A computer readable medium having a program stored thereon for receiving AV data from a transmitting apparatus to a receiving apparatus, said program, when executed by a computer, performs the steps of:

receiving the AV data from the transmitting apparatus;

recording the AV data received in said AV data receiving step in the receiving apparatus;

transmitting a success notification indicating that the recording of the AV data has succeeded to the transmitting apparatus;

receiving a notification response indicating a result of the processing performed by the transmitting apparatus from the transmitting apparatus; and

controlling the receiving apparatus to invalidate the AV data after receiving the AV data and validate the AV data after receiving the notification response in said response receiving step.