Device and method for realizing the G3 fax via the CDMA network

A CDMA network and facsimile technology, applied in the direction of image communication, electrical components, etc., can solve the problems of high cost, difficulty in technical implementation, inability to realize the interface between analog facsimile machine and CDMA network, and facsimile business

Inactive Publication Date: 2007-09-12
杜腊梅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Currently, there is a PC facsimile technology that realizes G3 facsimile transmission in a CDMA cellular network, and can provide reliable facsimile services in a CDMA mobile communication system by using a general-purpose computer network environment with access to the Internet (Internet). The solution depends on the computer network environment, and the interface between the analog fax machine and the CDMA network and the fax service cannot be realized
[0005] In addition, there are some fax technologies, such as devices for sending/receivi

Method used

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  • Device and method for realizing the G3 fax via the CDMA network
  • Device and method for realizing the G3 fax via the CDMA network
  • Device and method for realizing the G3 fax via the CDMA network

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Embodiment Construction

[0039] As shown in FIG. 1 , it is a schematic diagram of a mode structure of an apparatus and method for realizing G3 fax through a CDMA network according to an embodiment of the present invention. Among them, the client computer equipment 101 and the CDMA mobile equipment MT2 102 form a transmission branch according to the IS-707A.4 specification; Interworking Function, mobile switching center / network collaboration function) 104, PSTN 105, G3 fax machine 106, data modem 107, and server computer equipment 108 form a receiving branch according to the IS-707A.4 specification.

[0040] Ordinary G3 fax services are generally implemented in the PSTN network (telephone line). A pair of fax machines that complete the fax function both contain a modem (Modem). The realization of the fax protocol and the processing of image data are performed by the fax engine (MCU) of the fax machine. embedded microprocessor).

[0041] In the present invention, IWF is just similar to a facsimile Mode...

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Abstract

The invention provides a device and method for implementing G3 faxes through CDMA network. And the device comprises CDMA module, fax modem interface circuit, and user interface circuit, where when sending a fax, the user interface circuit receives analog fax data, the fax modem interface circuit converts the analog fax data into digital fax data, and the CDMA module converts the digital fax data into fax data of CDMA data link protocol format. And the invention uses common G3 electrograph to implement fax data transmission and receipt through the CDMA network, and breaks away from limitation of PSTN network.

Description

technical field [0001] The invention belongs to the technical field of devices and methods for sending / receiving fax data, and in particular relates to a device and method for transmitting fax data by a common analog G3 fax machine through a CDMA network. Background technique [0002] With the development of wireless communication technology and the increasingly perfect construction of digital cellular mobile communication network, the traditional wired fax service based on the public switched telephone network (PSTN) gradually develops into the wireless fax service based on digital mobile communication network, which is widely used in many special occasions , such as mobile locations (trains), public places (railway stations), temporary workplaces (construction sites), mountainous areas, and modern fixed or mobile offices. The convenience of wireless fax is that it is not bound by traditional wired telephone cables, which is a great advantage of it and one of the reasons fo...

Claims

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Application Information

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IPC IPC(8): H04N1/00H04N1/32
Inventor 周毅刘文斌刘文忠左程
Owner 杜腊梅
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