Licensing method for use with an imaging device

• US 7,589,850 B2
• Filed: 12/30/2002
• Issued: 09/15/2009
• Est. Priority Date: 12/30/2002
• Status: Expired due to Fees

• Current Assignee: Lexmark International Incorporated (Ninestar Corporation)
• Original Assignee: Lexmark International Incorporated (Ninestar Corporation)
• Inventors: Zbrozek, John Dennis, Adkins, Christopher Alan, Strunk, Timothy
• Primary Examiner(s): Popovici; Dov
• Application Number:
  US10/334,660
• Publication Number:
  US 20040125397A1
• Time in Patent Office: 2,451 Days
• Field of Search: 358/1.5, 358/1.12, 358/1.13, 358/1.14, 358/1.15, 399/8, 399/9, 399/12, 399/13, 399/24, 347/5, 347/7, 347/15, 347/19, 347/23
• US Class Current: 358/1.15
• CPC Class Codes: G06F 21/10 Protecting distributed programs or content, e.g. vending or licensing of copyrighted material protection in video systems or pay television H04N7/16 ; Digital rights management [DRM]
• CPC Class Codes: G06F 21/84 output devices, e.g. displays or monitors
• CPC Class Codes: G06Q 30/06 Buying, selling or leasing transactions
• CPC Class Codes: G06Q 50/06 Energy or water supply

Abstract

A licensing method includes the steps of establishing a licensing vendor; providing an imaging device that uses an imaging media in forming printed images on print media, the imaging media including an initial supply amount of an imaging substance; associating a usage license with at least one of the imaging device and the imaging media, the usage license defining a first usage threshold at which a consumer is prompted to acquire a new license; and providing a license monitoring mechanism communicatively coupled with the imaging device, the license monitoring mechanism performing the steps of tracking an amount of usage of the imaging media by the imaging device; determining whether the amount of usage of the imaging media by the imaging device has reached a usage threshold; and upon reaching the usage threshold, then prompting the consumer to acquire the new license from the licensing vendor.

Claims

1. A licensing method associated with an imaging device that uses an imaging media in forming printed images on print media, said imaging media including an initial supply amount of an imaging substance, wherein a usage license is associated with at least on of said imaging device and said imaging media, said usage license defining a first usage threshold at which a consumer is prompted to acquire a new license;

and a license monitoring mechanism communicatively coupled with said imaging device, said license monitoring mechanism performing the acts of;

tracking an amount of usage of an imaging media by an imaging device;

determining whether said amount of usage of said imaging media by said imaging device has reached a first usage threshold; and

upon reaching said first usage threshold, then prompting said consumer to acquire a new license from a licensing vendor, wherein said prompting act further comprising determining whether said consumer wants to acquire said new license, and if said consumer wants to acquire said new license, then said license monitoring mechanism performing the act of establishing communications with said licensing vendor for acquiring said new license from said licensing vendor.

2. The licensing method of claim 1, wherein said usage license defines a licensed amount of said imaging substance that can be used during a term of said usage license, and wherein said initial supply amount is greater than said licensed amount of said imaging substance.

3. The licensing method of claim 2, wherein said initial supply amount is at least two times greater than said licensed amount.

4. The licensing method of claim 1, wherein said imaging substance is one of ink and toner.

5. The licensing method of claim 1, wherein said imaging media is at least one of an ink supply tank, an ink jet cartridge, a toner tank and an electrophotographic process (EP) cartridge, said imaging media having mounted thereto a memory for storing a first value representing said initial amount of said imaging substance and a second value representing said licensed amount of said imaging substance.

6. The licensing method of claim 5, wherein a third value representing said amount of usage is stored in said memory.

7. The licensing method of claim 5, wherein if said consumer wants to acquire said new license, then said license monitoring mechanism facilitating communications with said licensing vendor for acquiring said new license from said licensing vendor, said new license including a new licensed amount that is stored as said second value.

8. The licensing method of claim 1, wherein said tracking act tracks a consumption of said imaging substance.

9. The licensing method of claim 1, wherein said tracking act tracks at least one of a number of imaging dots formed on said print media;

a number of imaging dots formed on said print media as compensated for by at least one of temperature, humidity and time;

a percent of image coverage on printed sheets of said print media;

a number of printed sheets exceeding a predetermined coverage amount;

a number of sheets of said print media; and

, time.

10. The licensing method of claim 1, wherein said tracking act tracks a consumption of sheets of said print media.

11. The licensing method of claim 1, wherein said tracking act comprises determining a usage amount of at least one of said imaging substance and said print media.

12. The licensing method of claim 11, wherein said imaging substance is one of ink and toner, and said print media is sheets of paper.

13. The licensing method of claim 1, wherein when said first usage threshold is reached, said imaging device informs said consumer that said license is close to expiring.

14. The licensing method of claim 13, wherein said consumer is informed by posting a visual warning.

15. The licensing method of claim 14, wherein said visual warning is a gradual reduction of a density of said printed image.

16. The licensing method of claim 14, wherein said visual warning is at least one of a text message and an illuminated indicator.

17. The licensing method of claim 1, further comprising the acts of:

defining a second usage threshold of said imaging media, said second usage threshold corresponding to said usage license being expired; and

when said second usage threshold is reached, said imaging device informs said consumer that said license has expired.

18. The licensing method of claim 17, wherein said consumer is informed by posting a visual warning.

19. The licensing method of claim 18, wherein said visual warning is a gradual reduction of a density of said printed image.

20. The licensing method of claim 18, wherein said visual warning is at least one of a text message and an illuminated indicator.

21. The licensing method of claim 1, further comprising the acts of:

defining a second usage threshold of said imaging media, said second usage threshold corresponding to said usage license being expired;

determining whether said second usage threshold has been reached; and

if said second usage threshold has been reached, then permitting use of said imaging device for a limited post-expiration amount.

22. The licensing method of claim 21, further comprising the act of determining whether said limited post-expiration amount has been reached, wherein if said limited post-expiration amount has been reached, then disallowing operation an imaging operation of said imaging device.

23. The licensing method of claim 1, further comprising the acts of:

determining that said usage license has expired;

placing said imaging device in a limited post-expiration use mode;

informing said consumer that said usage license has expired; and

again determining whether said consumer wants to acquire said new license.

24. The licensing method of claim 23, wherein a duration is associated with said limited post-expiration use, wherein when said duration is exceeded the method further comprising the act of disallowing operation of said imaging device.

25. The licensing method of claim 1, said license monitoring mechanism performing the act of facilitating communications with said licensing vendor for acquiring said new license from said licensing vendor.

26. The licensing method of claim 1, said license monitoring mechanism facilitating acquisition of said new license via an e-commerce transaction.

27. The licensing method of claim 26, wherein said facilitating acquisition comprises the acts of:

establishing Internet communications with said licensing vendor;

sending a request for licensing renewal that includes an identification of said imaging media; and

receiving new license information associated with said new license.

28. The licensing method of claim 1, wherein said usage license requires a combination of said imaging device with a particular one of said imaging media.

29. A licensing method, associated with an imaging device, said imaging device having a licensing monitoring mechanism and a usage license associated therewith, comprising the acts of:

tracking an amount of usage of an imaging device;

determining with said licensing monitoring mechanism whether a consumer wants to acquire a new license; and

if said consumer wants to acquire said new license, then said license monitoring mechanism facilitating acquisition of said new license from a licensing vendor.

30. The licensing method of claim 29, wherein said facilitating acquisition act comprises an on-line e-commerce transaction.

31. The licensing method of claim 29, further comprising the acts of determining with said licensing monitoring mechanism whether said usage license is close to expiring;

and informing said consumer that said usage license is close to expiring.

32. The licensing method of claim 31, wherein said act of informing comprises visually conveying a warning to said consumer by a gradual reduction of a density of printed images being produced by said imaging device.

33. The licensing method of claim 31, wherein said act of informing comprises visually conveying a warning to said consumer by at least one of a gradual reduction of a density of printed images being produced by said imaging device, a text message and an illuminated indicator.

34. The licensing method of claim 29, further comprising the act of determining whether said usage license has expired.

35. The licensing method of claim 34, wherein if it is determined that the usage license has expired, then said license monitoring mechanism informs said consumer that the license has expired.

36. The licensing method of claim 35, wherein said consumer is informed by at least one of a gradual reduction of a density of printed images being produced by said imaging device, a text message and an illuminated indicator.

37. The licensing method of claim 34, wherein if it is determined that the usage license has expired then providing a period of limited post-expiration use during which imaging operations with said imaging device can continue.

38. The licensing method of claim 37, wherein during said period of said limited post-expiration use, said consumer is warned of the imminent ending of said imaging operations due to the license expiration.

39. The licensing method of claim 38, wherein during said limited post-expiration use said license monitoring mechanism facilitates acquisition of said new license.

40. The licensing method of claim 29, wherein said license monitoring mechanism facilitates acquisition of said new license via an e-commerce transaction.

41. The licensing method of claim 29, wherein said tracking act comprises tracking at least one of a number of imaging dots formed on a print media;

a number of imaging dots formed on said print media as compensated for by at least one of temperature, humidity and time;

a percent of image coverage on printed sheets of said print media;

a number of printed sheets exceeding a predetermined coverage amount;

a number of sheets of said print media; and

, time.

42. An imaging device configured for use with the licensing method of claim 29.

43. A licensing method associated with an imaging media having a usage license associated therewith, said imaging media having an initial supply of an imaging substance and a memory storing an identification number for said imaging media, said usage license indicating a licensed amount of said imaging substance;

and a license monitoring mechanism for accessing said memory of said imaging media and reading said identification number for said imaging media, comprising the acts of;

tracking an amount of usage of an imaging media, said amount of usage of said imaging media being at least one of an amount of consumption of said imaging substance and a rate of consumption of said imaging substance; and

a license monitoring mechanism determining whether a usage license has expired, said determination being based on a comparison of a first value representing a licensed amount of said imaging substance with a second value representing said amount of usage of said imaging media, informing said consumer that said usage license has expired, wherein said act of informing comprises providing a visual warning to a consumer, wherein said visual warning is a gradual reduction of a density of printed images.

44. The licensing method of claim 43, wherein said visual warning is at least one of a gradual reduction of a density of printed images being produced by said imaging device, a text message and an illuminated indicator.

45. The licensing method of claim 43, wherein if it is determined that said usage license has expired then providing period of limited post-expiration use during which imaging operations using said imaging media can continue.

46. The licensing method of claim 45, wherein during said period of said limited post-expiration use, said consumer is warned of an imminent ending of said imaging operations due to the expiration of said usage license.

47. The licensing method of claim 46, wherein said consumer is warned by a gradual reduction of a density of images generated using said imaging media.

48. The licensing method of claim 47, wherein during said limited post-expiration use, said license monitoring mechanism facilitating acquisition of said new license.

49. The licensing method of claim 43, said license monitoring mechanism facilitating acquisition of a new license.

50. The licensing method of claim 49, wherein said facilitating acquisition of said new license is via an on-line e-commerce transaction.

51. The licensing method of claim 49, wherein said facilitating acquisition act comprises the acts of:

establishing Internet communications with a licensing vendor;

sending request for licensing renewal that includes said identification number of said imaging media; and

receiving new license values associated with said new license.

52. The licensing method of claim 51, further comprising the act of storing said new license values in said memory.

53. An imaging device, comprising:

an electronics unit;

an imaging recording unit communicatively coupled to said electronics unit; and

an imaging media carrying a supply of imaging substance said imaging media including a memory, said memory being communicatively coupled to said electronics unit, said memory including storage locations for storing an identification number of said imaging media, a first value representing a licensed amount of the imaging substance and a second value representing an amount of usage of imaging media;

said electronics unit including;

a communications interface for facilitating communications with an imaging device driver;

an embedded processor communicatively coupled to said communications interface;

an imaging recording unit interface communicatively coupled to each of said embedded processor, said image recording unit and said memory;

a counter communicatively coupled to each of said embedded processor and said imaging recording unit interface;

an encryption key storage module; and

an embedded license authentication system (ELAS) communicatively coupled to each of said communications interface said counter said imaging recording unit interface and said encryption key storage module, said ELAS being programmed for performing;

accessing said memory of said imaging media and reading said identification number for said imaging media, said first value and said second value;

tracking said amount of usage of said imaging media;

determining whether said usage license has expired, said determination being based on a comparison of said first value representing said licensed amount of said imaging substance with said second value representing said amount of usage of imaging media.

54. The imaging device of claim 53, said ELAS being programmed to perform the further act of facilitating acquisition of a new license via an e-commerce transaction.

55. The imaging device of claim 54, wherein said facilitating acquisition comprises the acts of:

establishing Internet communications with a licensing vendor;

accessing an encryption key stored in said encryption key storage module;

generating a license renewal request including said identification number of said imaging media, and encrypting said license renewal request with said encryption key to form encrypted license renewal request information;

sending said encrypted license renewal request information to said licensing vendor; and

receiving new license values associated with said new license.

56. The imaging device of claim 54, wherein said new license is received in an encrypted message, and said imaging device performing a power-on reset upon receiving any encrypted message.

57. The imaging device of claim 53, wherein said electronics unit is an application specific integrated circuit (ASIC).

58. A licensing method associated with an imaging device having an embedded license authentication system (ELAS);

and an imaging media for use with said imaging device, said imaging media having a usage license associated therewith, said imaging media including a memory for storing information associated with said imaging media, said information including an imaging media type, an imaging substance fill level of said imaging media, and a usage amount of said imaging media, said usage amount being represented by a plurality of usage bits representing a corresponding plurality of usage levels, each bit representing a usage level of imaging substance from said imaging media, comprising the acts of;

an ELAS accessing a memory to read information associated with an imaging media;

said ELAS setting a license identification number (ID) corresponding to a usage license associated with said imaging media; and

said ELAS maintaining a count representing a usage of said imaging media,

when said count achieves a value corresponding to one of said plurality of usage levels for said imaging media, said ELAS setting an appropriate usage bit of said plurality of usage bits in said memory, and

when at least portion of said plurality of usage bits are set, thereby indicating said usage license has expired, said ELAS going into a limited post-expiration use mode, wherein during said limited post-expiration use mode a gradual reduction of a density of printed images occurs.

59. The licensing method of claim 58, further comprising the act of facilitating a purchase of a new license via an e-commerce website of a licensing vendor.

60. The licensing method of claim 58, further comprising the act of performing a power-on reset of said imaging device upon receiving an encrypted message.

61. The licensing method of claim 60, wherein once a new license is purchased, said licensing vendor sending said new license in encrypted form, said ELAS decrypting said new license in encrypted form, said ELAS leaving said limited post-expiration use mode and returning to a normal imaging mode.

62. The licensing method of claim 61, wherein said ELAS sets a new license identification (ID) corresponding to said new license associated with said imaging media.

63. The licensing method of claim 62, wherein said new license ID is randomly generated.

64. The licensing method of claim 62, wherein if said imaging device does not recognize said new license ID as a valid number then said imaging operations are halted.

65. The licensing method of claim 58, wherein said imaging device continues printing in said limited post-expiration use mode with a continued reduction in said image density so long as at least some of said imaging substance is present in said imaging media.

66. The licensing method of claim 58, wherein if said imaging device is an ink jet printer, said gradual reduction of said density of said printed images is effected by progressively reducing the number of ink jet nozzles of an imaging head that are available to eject ink.

67. The licensing method of claim 58, wherein if said imaging device is an electrophotographic printer said gradual reduction of a density of the printed images is effected by at least one of progressively reducing the power to an imaging head and progressively reducing a voltage applied to a photoconductive substrate.