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Communication device

A communication device and communication network technology, applied in image communication, telephone communication, data exchange through path configuration, etc., can solve problems such as failure to send successfully, and achieve the effect of avoiding information leakage and reducing invalid communication

Inactive Publication Date: 2007-11-14
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the set security level is very high, even if the information is sent to other devices outside the network to which the machine belongs, sometimes the information cannot be successfully sent to the other device.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0036] (1) Composition of communication system

[0037] FIG. 1 is a configuration diagram of a communication system using a communication device according to the present invention. This communication system includes routers 2a to 2c, a server 3, a communication device IPFAX1 for facsimile communication via an IP network such as the Internet or an intranet, and a computer 4.

[0038] The routers 2a-2c and the server 3 are connected to each other through the Internet 5, and each has its own official address on the Internet, that is, the so-called global address. Each of the routers 2a, 2b is connected to equipment such as a computer not shown in the figure, and an image forming apparatus having a communication function such as IPFAX.

[0039] The IPFAX 1 and the computer 4 are devices on the intranet 6, and can communicate with various devices connected to the server 3 and other routers 2a and 2b through the router 2c and the Internet 5 connected thereto. The IPFAX 1 and the c...

Embodiment 2

[0062] (1) Composition of IPFAX

[0063] Next, the IPFAX 101 using the communication device according to Embodiment 2 of the present invention will be described. The IPFAX 101 is the same as the IPFAX 1 of the first embodiment, and can communicate with other devices through a communication network.

[0064] The difference is that IPFAX 101 adds a network address determination unit 115c to its control unit 115 on the basis of the configuration of IPFAX1. That is, as shown in FIG. 7 , the IPFAX 101 includes a communication unit 111 , an operation panel 112 , a detection unit 113 , a storage unit 114 , a control unit 115 and other input / output units. The control unit 115 further includes a judging unit 115a, an interface information generating unit 115b, and a network address determining unit 115c. Next, the operation and function of the IPFAX 101 that differ from the IPFAX 1 in the first embodiment will be described.

[0065] The storage unit 114 stores the network address of...

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PUM

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Abstract

A communication device 1 that communicates with other devices connected to a communication network includes an operation unit 12 b, a memory 14 , a determination unit 15 a, and a display unit 12 a. The operation unit 12 b receives the input of an IP address from the exterior. The memory 14 stores a private address assigned to another device on the intranet 6 . The determination unit 15 a determines whether or not the IP address received by the operation unit 12 b agrees with the private addresses that are stored. The display unit 12 a displays that the IP address received by the operation unit 12 b does not agree with the private addresses when determined by the determination unit 15 a.

Description

technical field [0001] The present invention relates to communication devices, and more particularly to communication devices capable of communicating with other devices connected to a communication network. Background technique [0002] In recent years, in addition to existing communication devices such as personal computers and mobile communication devices, image forming devices with communication functions such as facsimile machines and printers have also entered the list of communication devices. Each of these communication devices is assigned a unique IP (Internet Protocol) address, and when it is in a communicable state connected to an external device through an IP network, it can send and receive various information with the external device. [0003] The above-mentioned communication device can transmit information to the specified IP address after the user specifies the IP address indicating the transmission destination and issues a transmission command. [0004] A ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/00H04N1/32H04L29/02H04L12/28H04M11/00
CPCH04N2201/0093H04N1/00472H04L29/12009H04N1/32037H04N1/3209H04N1/00408H04N1/00209H04L61/00
Inventor 西山昌宏安井克彰
Owner KYOCERA DOCUMENT SOLUTIONS INC
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