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Remote maintenance system, mail connect confirmation method, mail connect confirmation program and mail transmission environment diagnosis program

  • US 20070174742A1
  • Filed: 01/27/2006
  • Published: 07/26/2007
  • Est. Priority Date: 10/13/2005
  • Status: Active Grant
First Claim
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1. A remote maintenance system to report fault information to a maintenance center by an electronic mail through the internet when a fault is detected by a surveillance unit mounted in a user device, wherein the user device is provided with a connect confirmation unit to prepare and transmit connect confirmation mails of a plurality of patterns different in mail content, and wherein the maintenance center is provided with a diagnosis unit to diagnose the mail transmission environment of the user device from reception result of one or a plurality of connect confirmation mails received from the user device within a fixed period of time and transmit a diagnosis result to the user device or an arbitrary address by an electronic mail.

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