Remote access system and method

• US 7,624,916 B2
• Filed: 11/23/2004
• Issued: 12/01/2009
• Est. Priority Date: 11/27/2003
• Status: Expired due to Fees

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Poznanski, Victor, Robinson, David, Sato, Ryoichi, Corley, Staffan J., Takahashi, Kozob, Edmonds, Philip G., Hull, Anthony
• Primary Examiner(s): WALSH, DANIEL I
• Application Number:
  US10/995,621
• Publication Number:
  US 20050199699A1
• Time in Patent Office: 1,834 Days
• Field of Search: 235378-380, 235/385, 235/375, 235/382, 235/462.01, 235/487, 235/494, 340/572.1, 340/572.3, 709/218, 709/219, 705/22, 705/20, 705/25, 705/64
• US Class Current: 235/375
• CPC Class Codes: G06F 16/9554 by using bar codes
• CPC Class Codes: H04L 67/125 involving control of end-device applications over a network

Abstract

A method and apparatus is disclosed of employing an information device (20) to transfer one or more data items from a remote holding area (32) to a local device (46) in dependence upon an access identifier representing the location of the one or more data items. The method comprises the steps of presenting an audio/visual representation of the access identifier at the information device (20), capturing the audio/visual representation at the local device (46), determining the location of the one or more data items from the captured audio/visual representation, and transferring the one or more data items to the local device (46) from the determined location. In a preferred embodiment, the information device (20) is a mobile device such as a mobile telephone, the audio/visual representation comprises a graphical representation such as a bar code that is displayed on a display (25) of the information device (20), and the bar code representation is captured at the local device (46) using a bar code scanner (49).

Claims

1. A method of employing an information device to transfer one or more data items from a remote holding area to a local device in dependence upon an access identifier representing the location of the one or more data items, comprising:

encoding the access identifier to an audio/visual representation at the information device,

presenting the audio/visual representation of the access identifier at the information device,

capturing the audio/visual representation at the local device,

determining the location of the one or more data items from the captured audio/visual representation,

transferring the one or more data items to the local device from the determined location, and

further comprising encrypting a data item before it leaves the holding area, and decrypting the data item after receipt at the local device, wherein the access identifier comprises decryption information necessary to perform decryption of the data item.

2. A method as claimed in claim 1, wherein the audio/visual representation comprises a graphical representation.

3. A method as claimed in claim 2, wherein the step of presenting the audio/visual representation at the information device comprises displaying the graphical representation on a display of the device.

4. A method as claimed in claim 2, wherein the graphical representation is visible to a human eye.

5. A method as claimed in claim 2, wherein the graphical representation comprises colour.

6. A method as claimed in claim 2, wherein the graphical representation comprises a bar code representation.

7. A method as claimed in claim 6, wherein the graphical representation comprises a two-dimensional bar code representation.

8. A method as claimed in claim 7, wherein the two-dimensional bar code representation is the Quick Response Code representation.

9. A method as claimed in claim 7, wherein the two-dimensional bar code representation is the hueCode representation.

10. A method as claimed in claim 6, wherein the step of capturing the audio/visual representation at the local device comprises scanning the bar code representation with a bar code scanner.

11. A method as claimed in claim 2, wherein the audio/visual representation comprises a textual representation.

12. A method as claimed in claim 11, wherein the step of determining the location comprises decoding the textual representation using an optical character recognition algorithm.

13. A method as claimed in claim 2, wherein the audio/visual representation comprises a sequence of graphical representations.

14. A method as claimed in claim 13, wherein the graphical representations in the sequence are presented at predetermined intervals.

15. A method as claimed in claim 13, wherein the interval between consecutive graphical representations in the sequence is varied throughout the sequence to encode further information regarding the access identifier.

16. A method as claimed in claim 13, wherein each graphical representation in the sequence is a uniform colour.

17. A method as claimed in claim 1, wherein the audio/visual representation comprises an audio sequence.

18. A method as claimed in claim 17, wherein the audio sequence comprises a sequence of tones, chords, pulses or clicks.

19. A method as claimed in claim 1, wherein at least two of the steps of capturing, determining and transferring are performed by separate devices in communication with each other and which separate devices together form the local device.

20. A method as claimed in claim 1, wherein the holding area is located on a remote server.

21. A method as claimed in claim 1, wherein the one or more data items are initially stored in a protected area of a remote server, and the remote holding area is located outside the protected area of the remote server, comprising:

forming a trusted connection between the information device and the protected area of the remote server;

employing the information device and the trusted connection to select a first group of one or more data items stored in the protected area of the remote server;

transferring the first group of data items from the protected area to the holding area and associating the access identifier with the first group of data items;

forming a retrieval connection between the local device and the holding area in dependence upon the access identifier;

determining a second group of one or more data items from the first group of data items transferred to the holding area; and

transferring the second group of data items from the holding area to the local device over the retrieval connection.

22. A method as claimed in claim 1, wherein the access identifier comprises a location identifier representing the location of the holding area.

23. A method as claimed in claim 22, wherein the location identifier itself contains sufficient information to identify the location of the holding area.

24. A method as claimed in claim 22, further comprising looking up the location of the holding area in dependence upon the location identifier.

25. A method as claimed in claim 1, wherein the access identifier comprises a group identifier identifying the one or more data items in the holding area without identifying the location of the holding server.

26. A method as claimed in claim 25, wherein the one or more data items are initially stored in a protected area of a remote server, and the remote holding area is located outside the protected area of the remote server, comprising:

forming a trusted connection between the information device and the protected area of the remote server;

employing the information device and the trusted connection to select a first group of one or more data items stored in the protected area of the remote server;

transferring the first group of data items from the protected area to the holding area and associating the access identifier with the first group of data items;

forming a retrieval connection between the local device and the holding area in dependence upon the access identifier;

determining a second group of one or more data items from the first group of data items transferred to the holding area, wherein the second group of data items is determined in dependence upon the group identifier identifying the first group of data items transferred to the holding area; and

transferring the second group of data items from the holding area to the local device over the retrieval connection.

27. A method as claimed in claim 26, wherein the second group of data items is determined to be the same as the first group of data items.

28. A method as claimed in claim 1, wherein the local device uses generic Internet browsing capabilities to access data items in the holding area.

29. A method as claimed in claim 1, further comprising processing a data item before transferring it to the local device.

30. A method as claimed in claim 29, wherein the processing that is performed is dependent upon the type of the local device.

31. A method as claimed in claim 29, wherein the processing that is performed is dependent upon the location of the local device.

32. A method as claimed in claim 1, wherein the encryption and decryption uses a symmetric key cryptography algorithm.

33. A method as claimed in claim 1, further comprising revoking the access identifier after a predetermined number of uses.

34. A method as claimed in claim 33, wherein the predetermined number is one.

35. A method as claimed in claim 33, further comprising generating a new access identifier following revocation of the previous one.

36. A method as claimed in claim 1, further comprising revoking the access identifier after a predetermined length of time.

37. A method as claimed in claim 1, further comprising revoking the access identifier after all the data items associated with the access identifier have been retrieved from the holding area.

38. A method as claimed in claim 1, further comprising deleting a data item from the holding area after it has been retrieved a predetermined number of times.

39. A method as claimed in claim 38, wherein the predetermined number of times is one.

40. A method as claimed in claim 1, wherein one or more data items associated with the access identifier is/are deleted if the access identifier is revoked.

41. A method as claimed in claim 1, wherein the local device comprises an output device.

42. A method as claimed in claim 41, wherein the local device comprises a printer, and further comprising printing part or all of at least one of the data items transferred to the local device on the printer.

43. A method as claimed in claim 41, wherein the local device comprises a display, and further comprising displaying part or all of at least one of the data items transferred to the local device on the display.

44. A method as claimed in claim 1, wherein at least one of said data items is an email item.

45. A method as claimed in claim 1, wherein at least one of said data items is a document.

46. A method as claimed in claim 44, wherein the local device comprises a printer, and further comprising printing the email item on the printer.

47. A method as claimed in claim 1, wherein the information device is a mobile information device.

48. A method as claimed in claim 47, wherein the information device is a Personal Digital Assistant.

49. A method as claimed in claim 47, wherein the information device is a mobile phone.

50. A method as claimed claim 49, further comprising authenticating the information device by requesting the Subscriber Identity Module number or other operator identifier from the information device.

51. A method as claimed in claim 47, wherein the information device is a laptop computer.

52. A method as claimed in claim 1, wherein the information device is a Digital Television.

53. A method as claimed in claim 1, wherein the information device is a Personal Computer.

54. A method as claimed in claim 1, wherein the local device is a mobile information device.

55. A method as claimed in claim 1, wherein the local device is a public appliance accessible by the general public.

56. A method as claimed in claim 1, wherein the access identifier comprises a Uniform Resource Locator.

57. A method as claimed in claim 1, wherein the information device is in proximity to the local device.

58. A method as claimed in claim 1, further comprising transferring one or more data items received at the local device to a separate device.

59. A method as claimed in claim 58, wherein the separate device is the information device.

60. A method as claimed in claim 58, wherein the local device is used an access point for high-speed retrieval of data items to the separate device.

61. A method as claimed in claim 1, further comprising authenticating the information device before transferring the one or more data items.

62. A method as claimed in claim 61, wherein the access identifier comprises authentication information necessary to perform authentication of the information device.

63. A remote retrieval system comprising:

a remote holding area for storing data items;

a local device in communication with the remote holding area; and

an information device comprising encoding means for encoding an access identifier to an audio/visual representation, audio/visual presentation means for presenting the audio/visual representation of the access identifier representing the location of one or more data items to be transferred from the remote holding area to the local device;

wherein the local device comprises audio/visual capturing means for capturing the audio/visual representation presented at the information device, location determining means for determining the location of the one or more data items from the captured audio/visual representation, and transferral means for transferring the one or more data items to the local device from the determined location; and

wherein a data item is encrypted before leaving the remote holding area and is decrypted after receipt at the local device, and the access identifier comprises decryption information necessary to perform the decryption of the data item.

64. A method of employing an information device to transfer one or more data items from a local device to a remote holding area in dependence upon an access identifier representing the destination location of the one or more data items, comprising:

encoding the access identifier to an audio/visual representation at the information device,

presenting the audio/visual representation of the access identifier at the information device,

capturing the audio/visual representation at the local device,

determining the destination location of the one or more data items from the captured audio/visual representation,

transferring the one or more data items to the determined location in the remote holding area, and

further comprising encrypting a data item before transferring to the holding area, and decrypting the data item after receipt at a local device, wherein the access identifier comprises decryption information necessary to perform decryption of the data item.

65. A method as claimed in claim 64, wherein the local device comprises an input device.

66. A method as claimed in claim 65, wherein the local device comprises a scanner.

67. A method as claimed in claim 65, wherein the local device comprises a photocopier.

68. A remote transferral system comprising:

a remote holding area for storing data items;

a local device in communication with the remote holding area; and

an information device comprising encoding means for encoding an access identifier to an audio/visual representation, audio/visual presentation means for presenting the audio/visual representation of the access identifier representing the destination location of one or more data items to be transferred from the local device to the remote holding area;

wherein the local device comprises audio/visual capturing means for capturing the audio/visual representation presented at the information device, location determining means for determining the destination location of the one or more data items from the captured audio/visual representation, and transferral means for transferring the one or more data items to the determined location of remote holding area, and

wherein a data item is encrypted before transferring to the holding area, and the data item is decrypted after receipt at a local device, and the access identifier comprises decryption information necessary to perform the decryption of the data item.