Remote maintenance system, mail connect confirmation method, mail connect confirmation program and mail transmission environment diagnosis program
First Claim
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, comprising:
- a connect confirmation unit to prepare connect confirmation mails of a plurality of patterns different in mail content including a mail size and transmit all the prepared mails sequentially to the maintenance center at a predetermined time before detecting the fault; and
a diagnosis unit to diagnose the mail transmission environment including a limit size of the user device from a reception number of connect confirmation mails received from the user device within a predetermined time-out period after a first connect confirmation mail is received and transmit a diagnosis result to the user device or an arbitrary address by an electronic mail,wherein the connect confirmation unit is provided in the user device and the diagnosis unit is provided in the maintenance center, andthe connect confirmation unit transmits the connect confirmation mail prior to the start of the system operation.
1 Assignment
0 Petitions
Accused Products
Abstract
When a fault is detected by a surveillance agent mounted in a user device, fault information is reported to a maintenance center device by an electronic mail through an internet. 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 the maintenance center device is provided with a diagnosis unit, which diagnose a mail transmission environment of the user device from the reception result of one or a plurality of connect confirmation mails received within a fixed period of time and transmits a diagnosis result to the user device by the electronic mail.
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Citations
20 Claims
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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, comprising:
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a connect confirmation unit to prepare connect confirmation mails of a plurality of patterns different in mail content including a mail size and transmit all the prepared mails sequentially to the maintenance center at a predetermined time before detecting the fault; and a diagnosis unit to diagnose the mail transmission environment including a limit size of the user device from a reception number of connect confirmation mails received from the user device within a predetermined time-out period after a first connect confirmation mail is received and transmit a diagnosis result to the user device or an arbitrary address by an electronic mail, wherein the connect confirmation unit is provided in the user device and the diagnosis unit is provided in the maintenance center, and the connect confirmation unit transmits the connect confirmation mail prior to the start of the system operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A mail connect confirmation method of a remote maintenance system to report fault information to a maintenance center by an electronic mail through the internet when detecting a fault by a surveillance unit mounted in a user device, comprising:
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a connect confirmation step of preparing connect confirmation mails of a plurality of patterns different in mail content including a mail size and transmit all the prepared mails sequentially from the user device to the maintenance center at predetermined time before detecting the fault; and a diagnosing step of diagnosing the mail transmission environment including a limit size of the user device from a reception number of connect confirmation mails received from the user device within a predetermined time-out period after a first connect confirmation mail is received and transmitting the diagnosis result to the user device or an arbitrary address by the electronic mail at the maintenance center, wherein the connect confirmation step transmits the connect confirmation mail prior to the start of the system operation. - View Dependent Claims (12, 13, 14, 15)
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16. A computer-readable storage medium which stores a program, allowing a computer of a user device which reports fault information to a maintenance center by an electronic mail through the internet when detecting a fault to execute;
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a connect confirmation step of preparing connect confirmation mails of a plurality of patterns different in mail content including a mail size and transmit all the prepared mails sequentially from the user device to the maintenance center at predetermined time before detecting the fault, and a diagnosis result reception step of receiving and displaying the diagnosis result of the mail transmission environment including a limit size of the user device based on a reception number, within a predetermined time-out period, of connect confirmation mails transmitted from the maintenance center, wherein the connect confirmation step transmits the connect confirmation mail prior to the start of the system operation. - View Dependent Claims (17, 18, 19, 20)
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Specification