JPH11136277A - Electronic mail transmission reception method for portable terminal, system and recording medium recording mail control program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an excess load to a LAN in the transmission reception of an electronic mail. SOLUTION: The system is provided with a mail transfer processing section 21 that reads a transmission mail from a portable terminal 1 when the portable terminal 1 connects to the section 21 and transfers a reception mail to the portable terminal 1, a mail storage processing section 22 that stores transmission and reception mails, a mail transmission reception processing section 23 that accesses a mail server 3 to send a transmission mail thereto, receives an electronic mail addressed to the portable terminal 1 and transfers the mail to the mail storage processing section 22, a load monitor processing section 25 that monitors a load state of a LAN to inform the control processing section 24 of load information, and a control processing section 24 that references load information when a set time comes, gives up start of the mail transmission reception processing section 23 when the load is higher than a prescribed value, checks again the load state as a preset restart time elapses and starts the mail transmission reception processing section 23 when the load reaches a prescribed value or below.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic mail transmitting / receiving method and apparatus for a portable terminal and a recording medium storing a mail control program, and more particularly to a portable terminal for transmitting / receiving electronic mail from a portable terminal via a personal computer. The present invention relates to a method and apparatus for transmitting and receiving an electronic mail, and a recording medium that stores a mail control program.

[0002]

2. Description of the Related Art Heretofore, there has been a form in which a portable terminal and a personal computer are connected by infrared or serial communication, a mail server on a LAN is accessed from the portable terminal via the personal computer, and electronic mail is transmitted and received.

[0003] The transmission and reception of e-mail in this form is as follows.
When a user performs a mail transmission / reception operation in a state where the portable terminal and the personal computer are connected, a mail server at the end of the LAN is accessed in real time. Therefore, when multiple mail users using the same mail server on the same LAN send and receive mail at the same time, an excessive load is temporarily applied to the LAN or mail server, and the sending and receiving processing takes time. The mail server could go down.

[0004]

As described above, in the conventional form in which electronic mail is transmitted / received from a portable terminal via a personal computer, access to a mail server is performed in real time, so that temporary access is temporarily required. There has been a problem that an excessive load is applied to the LAN or the mail server, so that transmission / reception processing takes time or the mail server goes down.

An object of the present invention is to provide a method and an apparatus for transmitting / receiving an electronic mail of a portable terminal and a recording medium recording a mail control program to solve the above-mentioned problems.

[0006]

According to a first aspect of the present invention, there is provided an electronic mail transmitting / receiving method for a portable terminal for transmitting / receiving electronic mail from a portable terminal via a personal computer. Monitoring the load state of at least one of the mail server, if the load is higher than a predetermined value even at a preset time of transmission and reception, postpone the transmission and reception processing of the e-mail,
Thereafter, each time a preset restart time elapses, the load state is checked again, and when the load becomes equal to or less than a predetermined value, the mail server is accessed to perform e-mail transmission / reception processing. And

[0007] A second method of transmitting and receiving e-mail of a portable terminal according to the present invention is a method of transmitting and receiving e-mail from a portable terminal via a personal computer, wherein the portable terminal is connected to the personal computer. Being connected, reading and storing the outgoing mail created by the mobile terminal in the personal computer, and transferring the received mail to the mobile terminal stored in the personal computer to the mobile terminal; At a preset time for sending and receiving, the mail server is accessed to transmit the stored outgoing mail of the portable terminal, and at the same time, searches and receives the electronic mail delivered to the user of the portable terminal to receive and send the personal mail. Storing in a computer.

[0008] A third aspect of the present invention is an electronic mail transmitting / receiving method for a portable terminal, which transmits / receives an electronic mail from a portable terminal via a personal computer, wherein the portable terminal is connected to the personal computer. Connecting, reading and storing the outgoing mail created by the mobile terminal in the personal computer, and transferring the received mail to the mobile terminal stored in the personal computer to the mobile terminal; The load status of at least one of the LAN and the mail server is monitored, and if the load is higher than a predetermined value even at a time when transmission / reception has been set in advance, the e-mail transmission / reception process is suspended, and then the setting is performed in advance. The load status is checked again every time the specified restart time elapses. When the load becomes equal to or less than a predetermined value, the mail server accesses the mail server to transmit the stored e-mail of the portable terminal, and searches and receives the e-mail reaching the user of the portable terminal. And storing the data in the personal computer.

A first personal computer of the present invention is a personal computer connected to a portable terminal by infrared or serial communication, and accesses a mail server connected to a LAN to transmit and receive e-mails. Is connected, reads outgoing mail created in the mobile terminal, and transfers a received mail to the mobile terminal to the mobile terminal, a mail transfer processing unit, and the mail transfer processing unit transferred from the mail transfer processing unit A mail storage processing unit for storing the outgoing mail created by the mobile terminal and the received mail received by accessing the mail server; and transmitting the outgoing mail by accessing the mail server at a time preset by a user. And search for the e-mail sent to the user,
A mail transmission / reception processing unit that receives and transfers the mail to the mail accumulation processing unit, and a control processing unit that activates the mail transmission / reception processing unit at a time preset by a user.

A second personal computer according to the present invention is a personal computer connected to a portable terminal by infrared or serial communication and accessing a mail server connected to a LAN to transmit and receive e-mails. Is connected, reads outgoing mail created in the mobile terminal, and transfers a received mail to the mobile terminal to the mobile terminal, a mail transfer processing unit, and the mail transfer processing unit transferred from the mail transfer processing unit A mail accumulation processing unit for accumulating an outgoing mail created by a mobile terminal and an incoming mail received by accessing the mail server; and a control processing unit to access the mail server and transmit the outgoing mail when activated by the control processing unit Search and receive the e-mail sent to the portable terminal, and A mail transmission / reception processing unit for transferring the data to a storage processing unit, a load monitoring processing unit for constantly monitoring the load status of the LAN, and notifying the control processing unit of load information. Referring to the LAN load status notified from the load monitoring processing unit, if the load is higher than a predetermined value, the activation of the mail transmission / reception processing unit is suspended, and the restart time set by the user in advance is set. A control processing unit that checks the load state again each time the load elapses and starts the mail transmission / reception processing unit when the load becomes equal to or less than a predetermined value.

The third personal computer of the present invention is the second personal computer of the present invention,
The load monitoring processor monitors the load status of the LAN at regular intervals.

A fourth personal computer of the present invention is the second personal computer of the present invention,
The load monitoring processor monitors a load state of the LAN at a time preset by a user and at a restart time.

A fifth personal computer of the present invention is the second personal computer of the present invention,
The load monitoring processing unit monitors the load status of the mail server instead of monitoring the load status of the LAN, and the control processing unit checks the load status of the mail server instead of referring to the load status of the LAN. It is characterized by reference.

According to a sixth personal computer of the present invention, there is provided the personal computer of the second personal computer of the present invention.
The load monitoring processor monitors the load status of the LAN and the mail server instead of monitoring the load status of the LAN, and the control processor monitors the LAN and the mail instead of referring to the load status of the LAN. It is characterized by referring to the load state of the mail server.

A seventh personal computer of the present invention is the second personal computer of the present invention,
The load state check every time the restart time elapses is repeated a predetermined number of times.

An eighth personal computer of the present invention is the second personal computer of the present invention,
The load state check every time the restart time elapses is repeated until the load becomes equal to or less than a predetermined value.

A ninth personal computer according to the present invention is the second personal computer according to the present invention,
The restart time is fixed to a predetermined value instead of being set in advance by a user.

A first recording medium according to the present invention is configured such that, when a portable terminal is connected, an outgoing mail created by the portable terminal is read, and a mail received by the portable terminal is transferred to the portable terminal. Transfer means, mail storage means for storing the outgoing mail created by the portable terminal transferred from the mail transfer means and the received mail received by accessing the mail server, the mail server at a time preset by a user To send and receive the e-mail, search and receive the e-mail delivered to the user, and forward the received e-mail to the e-mail storage means. A program for causing a computer to function as control means for activating the mail transmitting / receiving means at the time has been recorded. The features.

A second recording medium according to the present invention is configured such that, when a portable terminal is connected, a mail to be transmitted is read by the portable terminal and a mail to be transferred to the portable terminal is transferred to the portable terminal. Transfer means, mail storage means for storing the outgoing mail created by the portable terminal transferred from the mail transfer means and the received mail received by accessing the mail server, and the mail server being activated by the control means. A load of at least one of a mail transmission / reception unit, a LAN, and the mail server for accessing and transmitting the transmission mail, searching for and receiving an electronic mail addressed to the portable terminal, and transferring the electronic mail to the mail storage unit. Load monitoring means for monitoring the status and notifying the load information to the control means, a time preset by the user Then, the load status of at least one of the LAN and the mail server notified by the load monitoring unit is referred to, and when the load is higher than a predetermined value, the activation of the mail transmitting / receiving unit is suspended, and the user A program that causes a computer to function as control means for checking the load state again each time a preset restart time elapses and activating the mail transmitting / receiving means when the load becomes equal to or less than a predetermined value. It is recorded.

[0020]

Embodiments of the present invention will be described with reference to the drawings.

First, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a block diagram showing a first embodiment of the present invention, and includes a portable terminal 1, a personal computer 2, and a mail server 3. The mobile terminal 1 and the personal computer 2 are connected by infrared or serial communication. The personal computer 2 and the mail server 3 are connected via a LAN. The personal computer 2 includes a mail transfer processing unit 21, a mail storage processing unit 22, a mail transmission / reception processing unit 23, and a control processing unit 24.

The mail transfer processing section 21 sends outgoing mail (mobile terminal 1 → personal computer 2) and received mail (personal computer 2 → mobile terminal) while the portable terminal 1 and the personal computer 2 are connected by infrared or serial communication. The data transfer of 1) is performed.

The mail accumulation processing section 22 is a mail server 3
The received mail received by access to the mobile terminal 1
And the outgoing mail created by the mail transfer processor 21 and temporarily stored in the storage medium.

The mail transmission / reception processing unit 23 accesses the mail server 3 connected via the LAN, and substantially transmits and receives electronic mail. The timing of sending and receiving the mail follows the activation from the control processing unit 24.

The control processing unit 24 activates the mail transmission / reception processing unit 23 at a time preset by the user.

Next, the operation of the first embodiment of the present invention will be described in detail with reference to FIGS.

First, the operation of receiving an e-mail will be described with reference to FIG. 2 and FIG. FIG. 2 shows the first embodiment of the present invention.
FIG. 3 is a diagram illustrating an e-mail receiving operation according to the embodiment, and FIG. 3 is a diagram illustrating an e-mail transmitting / receiving operation between a portable terminal and a personal computer.

In FIG. 2, when the time set by the user comes, the control processing unit 24 changes to the mail transmission / reception processing unit 23.
Start The activated mail transmission / reception processing unit 23 accesses the mail server 3 and searches for an e-mail that has reached the user. And mail server 3
If the e-mail addressed to the user has arrived, the mail transmission / reception processing unit 23 reads the e-mail (received mail) from the mail server 3 and stores the information of the received mail in the mail storage processing unit 22 in the personal computer 2. Pass to. The mail accumulation processing unit 22 temporarily accumulates the information of the received received mail in a storage medium. In this way, every time the time set by the user comes, the processing of reading the received mail from the mail server 3 and storing it in the personal computer 2 is repeated.

Thereafter, when the portable terminal 1 is connected to the personal computer 2 in a state where the received mail is stored in the personal computer 2, as shown in FIG. 3, the mail transfer processing unit 21 in the personal computer 2
The received mail stored in the storage medium of the mail storage processing unit 22 is transferred to the mobile terminal 1. Thus, the received mail that has been received and stored up to that point is taken into the portable terminal 1, and the process of receiving the e-mail to the portable terminal 1 is completed.

Next, the transmission operation of the e-mail will be described with reference to FIG.
This will be described with reference to FIG. FIG. 4 is a diagram for explaining an e-mail transmission operation according to the first embodiment of the present invention.

First, when transmitting an e-mail, the user creates a transmission mail on the portable terminal 1. And
As shown in FIG. 3, when the mobile terminal 1 is connected to the personal computer 2, the outgoing mail created in the mobile terminal 1 is automatically transferred to the personal computer 2 by the mail transfer processing unit 21 in the personal computer 2. . The transmitted mail transferred to the personal computer 2 is not sent to the mail server as it is, but is passed to the mail storage processing unit 22 and temporarily stored in the personal computer 2 by the mail storage processing unit 22. Thereafter, at the time set by the user, as in the case of the mail reception, the control processing unit 24 activates the mail transmission / reception processing unit 23 as shown in FIG. Mail transmission / reception processing unit 2
3 accesses the mail server 3 connected to the LAN and performs actual mail transmission.

At this time, there is no particular relation between the connection state of the portable terminal 1 and the personal computer 2 and the portable terminal 1
Even when the personal computer 2 is not connected, the mail transmission processing is executed. Thus, the transmission processing of the e-mail is completed.

As described above, when the user uses the portable terminal 1
The actual mail transmission / reception (e-mail transmission / reception by accessing the mail server 3 via the LAN) can be performed without synchronizing with the timing at which the personal computer 2 is connected to the personal computer 2 to transmit / receive electronic mail. .

Next, an example of distributing the load on the LAN and the mail server using this function will be described with reference to FIGS. FIG. 5 and FIG. 6 are diagrams showing an example of the mail server access time of the user.

FIG. 5 assumes a company whose start time is 8:30 in the morning. In this case, the start time is a trigger for 8:30.
It is likely that users who access the mail server 3 easily concentrate during a time period such as ８8:35, so that the load state of the LAN and the mail server 3 temporarily increases. As shown in FIG. 6, this is set by shifting the user's mail server access time (the time at which the control processing unit 24 activates the mail transmission / reception processing unit 23) by 5 minutes and equally distributing the LAN and the LAN. Mail server 3
Can be distributed.

Next, a second embodiment of the present invention will be described with reference to FIG. FIG. 7 is a block diagram showing a second embodiment of the present invention. In addition to the configuration of the first embodiment of the present invention shown in FIG. The only difference is that the operation of the load monitoring processor 25 will be described below. The operation of the other components is the same as that of the above-described first embodiment of the present invention, and a description thereof will not be repeated.

The load monitoring processor 25 constantly monitors the load status of the LAN connected to the personal computer 2 and notifies the control processor 24 of the load information. The control processing unit 24 refers to the LAN load state notified from the load monitoring processing unit 25 before activating the mail transmission / reception processing unit 23 at the time set by the user, and when the load is higher than a predetermined value. Suspends the activation of the mail transmission / reception processing unit 23.

Then, the control processing unit 24 checks the load state again when the restart time set by the user elapses after the start of operation is suspended, and when the load becomes equal to or less than the predetermined value, The mail transmission / reception processing unit 23 is started. For example, if the user has set the restart time to 3 minutes, the load status of the LAN is checked every 3 minutes, and the mail transmission / reception processing unit 23 is started when the load falls below a predetermined value. Mail transmission / reception is performed. This avoids overloading the LAN.

In the above description, the load status of the LAN has been described as being constantly monitored. However, the load status may be monitored at regular time intervals, or at a preset time and at the time of restart, or a mail server may be used instead of the LAN. Or the load status of the LAN and the mail server may be monitored.

The load state check every time the restart time elapses may be repeated a predetermined number of times.
You may make it repeat until a load becomes below a predetermined value.

Further, the restart time may be fixed to a predetermined value instead of being set in advance by the user.

Next, a third embodiment of the present invention will be described with reference to FIG. FIG. 8 is a block diagram showing a third embodiment of the present invention, and includes a portable terminal 1, a personal computer 2, a mail server 3, and a recording medium 4.

Mobile terminal 1, personal computer 2,
The mail server 3 is basically the same as that described in the first or second embodiment of the present invention in FIG. 1 or FIG. The recording medium 4 records a mail control program. This recording medium 4 may be a magnetic disk, a semiconductor memory, or another recording medium.

The mail control program is read from the recording medium 4 into the personal computer 2, and controls the same operation as in the first or second embodiment of the present invention.

[0045]

According to the present invention, in a mode in which electronic mail is transmitted / received from a portable terminal via a personal computer, outgoing mail and received mail of the portable terminal are temporarily stored in the personal computer, and the mail server is accessed at an arbitrary time. Sending and receiving e-mails, the e-mail user does not synchronize with the connection of the mobile terminal and the personal computer to perform e-mail sending and receiving operations.
It is possible to access the mail server connected by the AN, and to monitor the load state of the LAN or the mail server, thereby preventing load concentration on the LAN or the mail server.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a first embodiment of the present invention.

FIG. 2 is a diagram illustrating an e-mail receiving operation according to the first embodiment of the present invention.

FIG. 3 is a diagram illustrating an e-mail transmission / reception operation between a portable terminal and a personal computer.

FIG. 4 is a diagram illustrating an e-mail transmission operation according to the first embodiment of the present invention.

FIG. 5 is a diagram showing an example of a user's mail server access time.

FIG. 6 is a diagram showing an example of a user's mail server access time.

FIG. 7 is a block diagram showing a second embodiment of the present invention.

FIG. 8 is a block diagram showing a third embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 mobile terminal 2 personal computer 21 mail transfer processing unit 22 mail storage processing unit 23 mail transmission / reception processing unit 24 control processing unit 25 load monitoring processing unit 3 mail server 4 recording medium

Claims (14)

[Claims] An electronic mail transmission / reception method for a mobile terminal for transmitting / receiving an electronic mail from a mobile terminal via a personal computer, wherein a load state of at least one of a LAN and a mail server is monitored, and transmission / reception is set in advance. If the load is higher than the predetermined value even after the time, the e-mail transmission / reception process is suspended, and the load state is checked again every time a preset restart time elapses. An e-mail transmission / reception method for a portable terminal, wherein the e-mail transmission / reception processing is performed by accessing the mail server when the value becomes equal to or less than the value. 2. A method of transmitting / receiving an electronic mail from a portable terminal via a personal computer, the method comprising: transmitting and receiving an e-mail from a portable terminal; Reading outgoing mail into the personal computer and storing the mail, and transferring received mail to the mobile terminal stored in the personal computer to the mobile terminal; accessing a mail server at a preset time for sending and receiving Transmitting the stored e-mail of the portable terminal, searching for and receiving an e-mail delivered to the user of the portable terminal, and storing the e-mail in the personal computer. E-mail transmission and reception method for mobile terminals. 3. A method for transmitting / receiving an e-mail from a portable terminal via a personal computer, the method comprising: transmitting / receiving an e-mail from the portable terminal via the personal computer; Reading outgoing mail into the personal computer and storing the mail, and transferring received mail to the mobile terminal stored in the personal computer to the mobile terminal; load status of at least one of a LAN and a mail server If the load is higher than a predetermined value even when a predetermined time is set for transmission and reception, the electronic mail transmission / reception processing is suspended, and the load state is reset each time a preset restart time elapses. Is checked again, and when the load falls below a predetermined value, the mail Transmitting the stored e-mail of the portable terminal by accessing the e-mail, searching for and receiving the e-mail reaching the user of the portable terminal, and storing the e-mail in the personal computer. An e-mail transmission / reception method for a mobile terminal, comprising: 4. A personal computer which is connected to a mobile terminal by infrared or serial communication and accesses a mail server connected to a LAN to transmit and receive e-mails. A mail transfer processing unit that reads outgoing mail created by the mobile terminal and transfers received mail to the mobile terminal to the mobile terminal; and the outgoing mail created by the mobile terminal transferred from the mail transfer processing unit. A mail accumulation processing unit for accumulating received mail received by accessing the mail server; and transmitting the outgoing mail by accessing the mail server at a time set in advance by a user, and sending the mail to the user. A mail transmission / reception processing unit that searches for and receives an incoming e-mail and transfers it to the mail storage processing unit And a control processing unit that activates the mail transmission / reception processing unit at a time set in advance by a user. 5. A personal computer connected to a portable terminal by infrared or serial communication and accessing a mail server connected to a LAN to transmit and receive e-mails. A mail transfer processing unit that reads outgoing mail created by the mobile terminal and transfers received mail to the mobile terminal to the mobile terminal; and the outgoing mail created by the mobile terminal transferred from the mail transfer processing unit. A mail accumulation processing unit that accumulates the received mail received by accessing the mail server; and a control unit that accesses the mail server to transmit the outgoing mail and is addressed to the mobile terminal. A mail transmission / reception process that searches for and receives an incoming e-mail and transfers it to the mail storage processing unit A load monitoring processor that constantly monitors the load status of the LAN and notifies load information to a control processor; and a LAN that is notified from the load monitoring processor when a time preset by a user comes. When the load is higher than a predetermined value, the activation of the mail transmission / reception processing unit is suspended, and the load state is checked again every time a restart time set by the user elapses. And a control processing unit that starts up the mail transmission / reception processing unit when the load becomes equal to or less than a predetermined value. 6. The load monitoring processing section, wherein the LA
6. The personal computer according to claim 5, wherein the load state of N is monitored at regular intervals. 7. The load monitoring processing unit, wherein
6. The personal computer according to claim 5, wherein the load state of N is monitored at a time preset by the user and at a restart time. 8. The load monitoring processing unit monitors the load status of the mail server instead of monitoring the load status of the LAN, and the control processing unit checks the mail status instead of referring to the load status of the LAN. 6. The personal computer according to claim 5, wherein a load state of the server is referred to. 9. The load monitoring processing unit monitors the load status of the LAN and the mail server instead of monitoring the load status of the LAN.
6. The personal computer according to claim 5, wherein the personal computer refers to the load status of the LAN and the mail server instead of referring to the load status of the AN. 10. The personal computer according to claim 5, wherein the load state check every time the restart time elapses is repeated a predetermined number of times. 11. The personal computer according to claim 5, wherein the load state check every time the restart time elapses is repeated until the load becomes equal to or less than a predetermined value. 12. The personal computer according to claim 5, wherein the restart time is fixed to a predetermined value instead of being set in advance by a user. 13. When the mobile terminal is connected, the outgoing mail created by the mobile terminal is read,
Mail transfer means for transferring received mail to the mobile terminal to the mobile terminal; mail for storing the transmitted mail created by the mobile terminal transferred from the mail transfer means and the received mail received by accessing a mail server Storage means for accessing the mail server at a time preset by a user to transmit the outgoing mail, searching for and receiving an e-mail reaching the user, and storing the received mail in the mail storage A recording medium storing a program for causing a computer to function as: a mail transmitting / receiving means for transferring the data to a means; a control means for activating the mail transmitting / receiving means at a time preset by a user. 14. When the mobile terminal is connected, the outgoing mail created by the mobile terminal is read,
Mail transfer means for transferring received mail to the mobile terminal to the mobile terminal; mail for storing the transmitted mail created by the mobile terminal transferred from the mail transfer means and the received mail received by accessing a mail server A mail to access the mail server and transmit the transmitted mail by being activated by the storage means and the control means, and to search and receive an e-mail arriving at the portable terminal, and to transfer the mail to the mail storage means A load monitoring means for monitoring the load status of at least one of the transmission / reception means, the LAN and the mail server, and notifying the control means of load information; With reference to the load status of at least one of the LAN and the mail server, If the load is higher than a predetermined value, the activation of the mail transmitting / receiving means is suspended, and the load state is checked again each time a restart time set by the user elapses, and the load is reduced to a predetermined value or less. Control means for activating the mail transmission / reception means at the point of time, wherein a program for causing a computer to function is recorded.