Data communicating apparatus and data communicating method capable of communicating through a plurality of kinds of networks

• US 6,519,247 B1
• Filed: 12/24/1997
• Issued: 02/11/2003
• Est. Priority Date: 12/26/1996
• Status: Expired due to Fees

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Yoshida, Takehiro
• Primary Examiner(s): Zimmerman, Mark
• Assistant Examiner(s): Santiago, Enrique L
• Application Number:
  US08/997,789
• Time in Patent Office: 1,875 Days
• Field of Search: 370/352, 370/354, 370/355, 370/356, 370/401, 370/428, 370/465, 358/434, 358/440, 358/402
• US Class Current: 370/352
• CPC Class Codes: H04L 12/5692 Selection among different networks

Abstract

According to the invention, in an apparatus which can perform a data communication through a plurality of networks such as internet, public telephone network, and the like, an optimum network to perform the data communication is automatically selected in accordance with communicating conditions such as a communicating mode and the like, thereby enabling a data communication via the selected optimum network to be executed.

Claims

1. A data communication apparatus that performs data communication through public telephone and internet networks, said apparatus comprising:

a storage unit adapted to store therein first access information to perform a data communication to a communication partner destination through the internet network and second access information to perform a data communication to the communication partner destination through the public telephone network;

a detector adapted to detect a status of the data communication; and

a controller adapted to select one of the internet network and the public telephone network based on the status detected by said detector, and to automatically access the selected network in accordance with the access information in said storage unit corresponding to the selected network, to enable the data communication to be executed,

wherein, in a case where the data communication does not succeed after data communication via the internet network has been tried a predetermined number of times, then data communication through the public telephone network is selected, and

wherein communication through the internet network does not require use of the public telephone network.

2. An apparatus according to claim 1, further comprising an interval change unit adapted to change an interval in which the data communication is tried, in a case where data communication through the internet network is tried the predetermined number of times.

9. An apparatus according to any one of claims 1, 3, 5, 6, and 8, wherein said data communication apparatus is a facsimile apparatus.

3. A data communication apparatus that performs data communication via public telephone and internet networks, said apparatus comprising:

a storage unit adapted to store therein first access information to perform a data communication to a communication partner destination through the internet network and second access information to perform a data communication to the communication partner destination through the public telephone network;

a detector adapted to detect conditions of the data communication; and

a controller adapted to select one of the internet network and the public telephone network based on the conditions detected by said detector, and to automatically access the selected network in accordance with the access information in said storage unit corresponding to the selected network, to enable the data communication to be executed,

wherein said detector detects a designated communication mode and said controller selects one of the internet network and the public telephone network in accordance with the designated communication mode,

wherein, when said detector detects that the designated communication mode is a quick transmission mode for quickly transmitting data, said controller selects the public telephone network for the data communication, and

wherein communication through the internet network does not require use of the public telephone network.

4. An apparatus according to claim 3, wherein, when said detector detects that data to be transmitted corresponds to data read in a halftone reading mode, said controller selects the internet network for the data communication.

5. A data communication apparatus that performs data communication through public telephone and internet networks, said apparatus comprising:

a storage unit adapted to store therein first access information to perform a data communication to a communication partner destination through the internet network and second access information to perform a data communication to the communication partner destination through the public telephone network;

a detector adapted to detect conditions of the data communication;

a controller adapted to select one of the internet network and the public telephone network based on the conditions detected by said detector, and to automatically access the selected network in accordance with the access information in said storage unit corresponding to the selected network, to enable the data communication to be executed; and

a reading unit adapted to read an original image,

wherein, when said detector detects a direct transmission mode, said controller controls the data communication such that image data read by said reading unit is directly transmitted through the public telephone network after reading,

wherein, when said detector detects a memory transmission mode, said controller controls the data communication such that data stored in a memory is transmitted through the internet network, and

wherein communication through the internet network does not require use of the public telephone network.

6. A data communication apparatus that performs data communication through public telephone and internet networks, said apparatus comprising:

a storage unit, arranged to store therein first access information to perform a data communication to a communication partner destination through the internet network and second access information to perform a data communication to the communication partner destination through the public telephone network;

a detector, arranged to detect conditions of the data communication; and

a controller, arranged to select one of the internet network and the public telephone networks based on the conditions detected by said detector, and to automatically access the selected network in accordance with the access information in said storage unit corresponding to the selected network, to enable the data communication to be executed,

wherein said detector detects an amount of data to be communicated, and said controller selects one of the internet network and the public telephone network in accordance with the amount of data to be communicated, and

wherein communication through the internet network does not require use of the public telephone network.

7. An apparatus according to claim 6, wherein, when the amount of data to be communicated is equal to or larger than a predetermined amount, said controller selects the internet network, and, when the amount of data to be communicated is less than the predetermined amount, said controller selects the public telephone network.

8. A data communication apparatus that performs data communication through public telephone and internet networks, said apparatus comprising:

a storage unit, arranged to store therein first access information to perform a data communication to a communication partner destination through the internet network and second access information to perform a data communication to the communication partner destination through the public telephone network;

a detector, arranged to detect conditions of the data communication;

a controller, arranged to select one of the internet network and the public telephone network based on the conditions detected by said detector, and to automatically access the selected network in accordance with the access information in said storage unit corresponding to the selected network, to enable the data communication to be executed; and

a reading unit, arranged to read an original image,

wherein said detector detects a designated communication mode and said controller selects one of the internet network and the public telephone network in accordance with the designated communication mode, and

wherein, when the designated communication mode is a halftone mode in which halftone image data read by said reading unit is to be transmitted, said controller selects the internet network.

10. A data communication method in a data communication apparatus that performs data communication through public telephone and internet networks, said method comprising the steps of:

storing first access information to perform a data communication to a communication partner destination through the internet network and second access information to perform a data communication to the communication partner destination through the public telephone network;

detecting a status of the data communication; and

selecting one of the internet network and the public telephone network based on the detected status, and automatically accessing the selected network in accordance with the stored access information corresponding to the selected network, to enable the data communication to be executed,

wherein, in a case where the data communication does not succeed after data communication via the internet network has been tried a predetermined number of times, then data communication through the public telephone network is selected, and

wherein communication through the internet network does not require use of the public telephone network.

11. A method according to claim 10, wherein, in a case where data communication through the internet network is tried the predetermined number of times, an interval in which the data communication is tried is changed.

18. A method according to any one of claims 10, 12, 14, 15, and 17, wherein the data communication apparatus is a facsimile apparatus.

12. A data communication method in a data communication apparatus that performs data communication via public telephone and internet networks, said method comprising the steps of:

storing first access information to perform a data communication to a communication partner destination through the internet network and second access information to perform a data communication to the communication partner destination through the public telephone network;

detecting conditions of the data communication; and

selecting one of the internet network and the public telephone network based on the detected conditions, and automatically accessing the selected network in accordance with the stored access information corresponding to the selected network, to enable the data communication to be executed,

wherein said detecting step detects a designated communication mode and said selecting step selects one of the internet network and the public telephone network in accordance with the designated communication mode,

wherein, when the designated communication mode is a quick mode for quickly transmitting data, the public telephone network is selected in said selecting step, and

wherein communication through the internet network does not require use of the public telephone network.

13. An method according to claim 12, wherein, when said detecting step detects that data to be transmitted corresponds to data read in a halftone reading mode, said selecting step selects the internet network for the data communication.

14. A data communication method in a data communication apparatus that performs data communication through public telephone and internet networks, said method comprising the steps of:

storing first access information to perform a data communication to a communication partner destination through the internet network and second access information to perform a data communication to the communication partner destination through the public telephone network;

detecting conditions of the data communication;

selecting one of the internet network and the public telephone network based on the detected conditions, and automatically accessing the selected network in accordance with the stored access information corresponding to the selected network, to enable the data communication to be executed; and

reading an original image,

wherein, when said detecting step detects a direct transmission mode, said selecting step controls the data communication by selecting the public telephone network, such that image data read in said reading step is directly transmitted through the public telephone network after reading,

wherein, when said detecting step detects a memory transmission mode, said selecting step controls the data communication by selecting the internet network, such that data stored in a memory is transmitted through the internet network, and

wherein communication through the internet network does not require use of the public telephone network.

15. A data communication method in a data communication apparatus that performs data communication through public telephone and internet networks, said method comprising the steps of:

storing first access information to perform a data communication to a communication partner destination through the internet network and second access information to perform a data communication to the communication partner destination through the public telephone network;

detecting conditions of the data communication; and

selecting one of the internet network and the public telephone network based on the detected conditions, and automatically accessing the selected network in accordance with the stored access information corresponding to the selected network, to enable the data communication to be executed,

wherein, in said detecting step, an amount of data to be communicated is detected, and, in said selecting step, one of the internet network and the public telephone network is selected in accordance with the detected amount of data to be communicated, and

wherein communication through the internet network does not require use of the public telephone network.

16. A method according to claim 15, wherein, when the amount of data to be communicated is equal to or larger than a predetermined amount, said selecting step selects the internet network, and, when the amount of data to be communicated is less than the predetermined amount, said selecting step selects the public telephone network.

17. A data communication method in a data communication apparatus that performs data communication through public telephone and internet networks, said method comprising the steps of:

storing first access information to perform a data communication to a communication partner destination through the internet network and second access information to perform a data communication to the communication partner destination through the public telephone network;

detecting conditions of the data communication;

selecting one of the internet network and the public telephone network based on the detected conditions, and automatically accessing the selected network in accordance with the stored access information corresponding to the selected network, to enable the data communication to be executed; and

reading an original image,

wherein said detecting step detects a designated communication mode and said selecting step selects one of the internet network and the public telephone network in accordance with the designated communication mode, and

wherein, when the designated communication mode is a halftone mode in which halftone image data read in said reading step is to be transmitted, the internet network is selected in said selecting step.