Diagnosing faults in electronic machines

• US 20040153773A1
• Filed: 12/10/2002
• Published: 08/05/2004
• Est. Priority Date: 12/10/2002
• Status: Abandoned Application

• Current Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Russell, Ian, McAllister, Jeffrey S., Woo, Arthur Cheumin
• Application Number:
  US10/315,107
• Publication Number:
  US 20040153773A1
• Time in Patent Office: Days
• US Class Current: 714/25
• CPC Class Codes: G01R 31/31721 Power aspects, e.g. power supplies for test circuits, power saving during test for scan test G01R31/318575

Abstract

A diagnostic data acquiring device forms a data connection with an apparatus. The diagnostic data acquiring device includes data acquisition circuitry and a power source to power the data acquisition circuitry. The data acquisition circuitry receives data from the apparatus and causes the data to be stored. The device further includes power transfer circuitry adapted, to provide power to the apparatus from which the device is to acquire data.

Claims

1. A diagnostic data acquiring device to form a data connection with an apparatus, the diagnostic data acquiring device comprising:

data acquisition circuitry, said data acquisition circuitry to receive data from the apparatus and to store said data;

a power source to power said data acquisition circuitry; and

power transfer circuitry adapted to provide power to the apparatus from which said device is to acquire data.

2. The device according to claim 1, wherein said device is arranged to be removably inserted into a data carrier receiving station of the apparatus, the apparatus having at least one of a read or a write head provided at the data carrier receiving station arranged to removably receive said data carrier.

3. The device according to claim 1, wherein said device forms a data connection with an apparatus comprising a tape drive.

4. The device according to claim 1, further comprising a data storage device, to store said data.

5. The device according to claim 1, wherein said power source is arranged to provide power to at least a portion of the apparatus.

6. The device according to claim 1, further comprising a transmitter arranged to transmit data received from the apparatus to a remote location.

7. The device according to claim 1, further comprising an identifier to identify the device.

8. The device according to claim 1, further comprising a display to display results of an analysis performed on said data received by the device to a user thereof.

9. The device according to claim 1, further comprising a receiver arranged to receive said data via a wireless connection.

23. The apparatus according to claim 1, wherein the apparatus is arranged to accept power from said diagnostic data acquiring device.

24. The apparatus according to claim 23, wherein the apparatus comprises a tape drive.

25. The apparatus according to claim 23, wherein the apparatus is arranged to determine that a diagnostic device has been inserted thereinto.

29. A device according to claim 1, wherein said data comprises diagnostic data.

30. A device according to claim 1, wherein said device is adapted to be identified by said apparatus as a diagnostic data acquiring device prior to transfer of diagnostic data to said device.

31. The device according to claim 30, wherein said device has a mechanical identifier which is recognized by said apparatus, and a communications link identifier adapted to transmit an identifying signal to said apparatus which is recognized by said apparatus.

32. The device according to claim 1, wherein said power transfer circuitry is adapted to provide power to at least one electronic circuit of said apparatus.

33. The device according to claim 1, wherein said power transfer circuitry is adapted to provide power to at least one electromechanical component of said apparatus.

34. The device according to claim 1, wherein the device forms a data connection with said apparatus in response to being partially inserted therein, and the device transfers power to the apparatus in response to being partially inserted therein.

37. The device according to claim 1, wherein the device further comprises a diagnostic processor adapted to process diagnostic data acquired from said apparatus and to identify at least some faults of said apparatus from diagnostic processing of said diagnostic data.

38. The device according to claim 37, wherein the device indicates that no diagnosis of an evaluated fault of said apparatus has been made by its diagnostic processor processing said acquired diagnostic data.

39. The device according to claim 37, wherein the device is adapted to communicate said acquired diagnostic data to another remote processor for further analysis.

40. The device according to claim 37, wherein said processor is configured to assess said acquired diagnostic data to determine if said apparatus has one of a restricted preset group of faults.

10. A diagnostic data acquiring device receiver adapted to receive a diagnostic data acquiring device to form a data connection with an apparatus to be diagnosed, and comprising data acquisition circuitry and a power source to power said data acquisition circuitry and at least partially powering said apparatus to which said device is to be connected, said data acquisition circuitry to receive data from said apparatus and to store said data;

said receiver being arranged to receive said diagnostic data acquiring device and electrically connect thereto such that said diagnostic data acquiring device receives power therefrom.

11. The receiver according to claim 10, wherein said receiver comprises a docking station and a cradle.

12. The receiver according to claim 10, wherein said receiver is arranged to receive transferred data from said device.

13. A combination of a diagnostic data acquiring device to form a data connection with an apparatus, and an apparatus with which said device is to form said data connection, wherein said device comprises data acquisition circuitry and a power source to power said data acquisition circuitry, and to provide power to said apparatus, and power transfer circuitry adapted to transfer power from said power source to said apparatus, said data acquisition circuitry to receive data from said apparatus and to store said data and said apparatus having power acceptance circuitry adapted to receive power from said power transfer circuitry, and to pass data to said diagnostic data acquiring device.

14. The combination according to claim 13, wherein said apparatus comprises a tape drive.

15. The combination according to claim 14, wherein said diagnostic data acquiring device has the same cross section as a tape arranged for use with said tape drive so that said device can be received within said tape drive.

16. The combination according to claim 13, wherein said device is arranged to download the contents of a memory of said apparatus and the memory contents constitutes said data received from said apparatus.

17. The combination according to claim 13, further comprising processing circuitry in said device, said processing circuitry being arranged to analyze data received from the apparatus in order to diagnose said apparatus from which said data originated.

18. The combination according to claim 13, wherein said power source powers at least a portion of said apparatus.

19. The combination according to claim 18, wherein said device provides power to said apparatus sufficient to enable said data to be transferred to said device.

20. A method of diagnosing an electrical apparatus comprising:

making a data connection with the apparatus with a diagnostic data acquiring device;

providing power to said apparatus through said device; and

downloading data from said apparatus to the device.

21. The method according to claim 20, wherein said apparatus is a tape drive.

22. The method according to claim 21, further comprising:

inserting said device into said tape drive;

making a data connection between said device and said tape drive in response to said device being at least partially inserted in said tape drive; and

downloading information from the tape drive to said device.

26. A machine readable medium containing instructions which, in response to being programmed into said electrical apparatus, cause the electrical apparatus to:

communicate with a diagnostic data acquiring device; and

to accept power from the device; and

to transfer diagnostic data to the device.

27. The machine readable medium according to claim 26, wherein the apparatus comprises a tape drive.

28. A diagnostic data acquiring device to form a data connection with an apparatus, the diagnostic data acquiring device comprising:

data acquisition circuitry;

a power source to power said data acquisition circuitry;

wherein said data acquisition circuitry receives data from the apparatus and stores said data.

35. A diagnostic data acquiring device comprising a cartridge to form a data connection with an apparatus into which said cartridge is inserted, said cartridge comprising data acquisition circuitry to receive diagnostic data from said apparatus in response to said cartridge being at least partially inserted in said apparatus and to store received diagnostic data, said cartridge having an identifier to identify it to said apparatus as a diagnostic data acquiring cartridge capable of receiving diagnostic data.

36. The device according to claim 35, wherein said identifier is adapted to generate an identifier signal, via one of a mechanical link or a telecommunications link, to cause downloading of diagnostic data from said apparatus to said cartridge.

41. A machine readable data reader/writer apparatus having at least one of a read and a write station adapted to receive an insertable and removable machine readable data carrier and a writable data carrier, said apparatus having a processor adapted to perform a diagnostic data obtaining operation to obtain diagnostic data capable of being analyzed to determine the presence or absence of at least some faults of said apparatus;

and said apparatus having a diagnostic data-acquiring device identifier to identify the presence of a diagnostic data-acquiring device at said station, said diagnostic data-acquiring device to receive diagnostic data obtained by said processor; and

diagnostic data transfer circuitry adapted to transfer obtained diagnostic data to said diagnostic data-acquiring device in response to said device being in situ at said station;

wherein said processor recognizes an operative presence of a diagnostic data-acquiring device at said station and causes diagnostic data to be acquired by said device via said transfer circuitry.

42. The apparatus according to claim 41, further comprising an identifier signal receiver adapted to receive an identifying signal from said device identifying said device as capable of acquiring diagnostic data;

wherein said receiver communicates the presence of said device to said processor.

43. The apparatus according to claim 42, wherein said receiver is from the group comprising a telecommunications receiver and a mechanical interconnection with said device.

44. The according to claim 41, wherein said processor is adapted to recognize a trigger initiation signal, generated in accordance with a suitable diagnostic data-acquiring device being present at said station, and to obtain and transfer to said device said diagnostic data in response to said initiation signal.

45. The apparatus according to claim 41, further comprising power acceptance circuitry to enable said apparatus to accept power from said device.

46. The apparatus according to claim 45, wherein said power acceptance circuitry is adapted to provide power to at least one selected from the group comprising an electromechanical component of said apparatus and an electronic component of said apparatus.

47. The apparatus according to claim 45, wherein said power acceptance circuitry is adapted to receive power from said device in response to said device being at least partially received into said station.

48. The apparatus according to claim 45, further comprising a tape drive.

49. A method of reducing the number of tape drives that are removed from their site of use for fault diagnosis, the method comprising inserting a diagnostic data acquiring cartridge into one of said tape drives, downloading fault diagnostic data to said diagnostic data acquiring cartridge, and diagnosing said diagnostic data at said site of said tape drive.

50. The method according to claim 49, further comprising using said cartridge to diagnose at least some faults.

51. The method according to claim 50, further comprising using a diagnostic capability built into said cartridge to perform a limited range of diagnostic checks, and having said cartridge check for faults within its capabilities, and upon said cartridge failing to diagnose the fault, one of either:

removing the tape drive off-site for further tests;

or

transferring the diagnostic data from the cartridge to a diagnostic processor capable of performing a wider range of diagnostic tests and testing said data on-site with said diagnostic processor.

52. A method of diagnosing an electrical apparatus having a read/write station comprising providing a diagnostic data acquiring cartridge to a data connection with the apparatus, inserting the cartridge into said apparatus at said station, making said data connection between said apparatus and said device, downloading data from said apparatus in order that said data can be analyzed.