KR20130047326A - Portable terminal and method for providing mobile fax service, and fax system - Google Patents

Portable terminal and method for providing mobile fax service, and fax system Download PDF

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Publication number
KR20130047326A
KR20130047326A KR1020110112273A KR20110112273A KR20130047326A KR 20130047326 A KR20130047326 A KR 20130047326A KR 1020110112273 A KR1020110112273 A KR 1020110112273A KR 20110112273 A KR20110112273 A KR 20110112273A KR 20130047326 A KR20130047326 A KR 20130047326A
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KR
South Korea
Prior art keywords
image
fax
transmission
terminal
pixel data
Prior art date
Application number
KR1020110112273A
Other languages
Korean (ko)
Inventor
박종욱
김성보
김명숙
송영옥
김성욱
김직동
Original Assignee
주식회사 케이티
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Priority to KR1020110112273A priority Critical patent/KR20130047326A/en
Publication of KR20130047326A publication Critical patent/KR20130047326A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00095—Systems or arrangements for the transmission of the picture signal
    • H04N1/00103—Systems or arrangements for the transmission of the picture signal specially adapted for radio transmission, e.g. via satellites
    • H04N1/00106—Systems or arrangements for the transmission of the picture signal specially adapted for radio transmission, e.g. via satellites using land mobile radio networks, e.g. mobile telephone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0093—Facsimile machine
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/333—Mode signalling or mode changing; Handshaking therefor
    • H04N2201/33307—Mode signalling or mode changing; Handshaking therefor of a particular mode
    • H04N2201/33378—Type or format of data, e.g. colour or B/W, halftone or binary, computer image file or facsimile data

Abstract

PURPOSE: A portable terminal, a fax transmission method, and a fax system therefor are provided to enable a reception side fax terminal to print out a real size image by receiving the image from a transmission side portable terminal. CONSTITUTION: A mode setup module(291) receives a selection input related to an ID(Identification) card transmission mode or a document transmission mode. An image conversion module(293) controls a transmission target image as a fixed ID card size in the ID card transmission mode. The image conversion module synthesizes the controlled transmission target image with a set background image. A fax transmission module(295) transmits the synthesized image to the fax terminal through a fax server. [Reference numerals] (110) Portable terminal; (111) Fax application; (210) Communication unit; (230) Camera unit; (250) Storage unit; (270) Control unit; (291) Mode setting module; (293) Image converting module; (295) Fax transmitting module; (297) Transmission result management module

Description

Portable terminal providing a fax transmission service and a fax transmission method in the mobile terminal and a fax system for the same {Portable terminal and method for providing mobile fax service, and fax system}

The present invention relates to a mobile fax transmission technology, and more particularly, to a method for transmitting a fax in a mobile terminal capable of wireless Internet while moving, and a portable terminal and a fax system for the same.

BACKGROUND ART With the development of communication technology, portable terminals for providing voice calls and wireless Internet on the move are widely used and recently, high-performance smart phones have been widely used. A mobile fax service using such a mobile terminal has been proposed. Mobile fax service realizes smart working by implementing fax function in mobile environment, improves work efficiency and at the same time reduces paper consumption for fax transmission and copying. For example, Korean Patent Publication No. 10-2007-0035689.

The mobile fax is mainly in the form of fax transmission of the image taken by the camera from the mobile terminal, in particular can be utilized for the identification card transmission. However, these mobile fax services do not distinguish between identification and general documents. For example, when the general document of A4 is photographed by the camera of the mobile terminal and the fax is transmitted, the general document is printed at the actual size on the receiving terminal, but the small size ID is photographed by the camera of the mobile terminal to send the fax. When the receiving terminal, the identification card is filled with A4 paper and printed.

Accordingly, when the sender photographs the ID card with the portable terminal, the receiver anticipates the output of the receiver in advance and photographs the camera at a distance from the ID card, which is a subject, thereby degrading the image quality of the ID card printed at the receiver.

Korean Patent Publication No. 10-2007-0035689, 2007.04.02 publication

The present invention has been made to solve the above problems, and even if the sending side of the mobile terminal to take a photo ID and send a fax, the mobile terminal and the fax transmission in the portable terminal to be printed in the actual size of the identification card at the receiving terminal Its purpose is to provide a method and a fax system for the same.

Other objects and advantages of the present invention can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. It will also be readily apparent that the objects and advantages of the invention may be realized and attained by means of the instrumentalities and combinations particularly pointed out in the appended claims.

According to an aspect of the present invention for achieving the above object, a portable terminal for providing a fax transmission service in conjunction with a fax server of a communication network, the storage means for storing the transmission target image; Mode setting means for receiving a selection input of an operation mode of an identification card transmission mode and a document transmission mode; Image conversion means for resizing the transmission target image to a predetermined ID size in the identification card transmission mode and composing the resized transmission target image to a preset background image; And transmitting means for transmitting the synthesized image to the fax terminal through the fax server.

In the document transfer mode, the image converting means may perform size adjustment and background image synthesis processing on the transfer target image.

The image converting means may divide the transmission target image into a predetermined number of blocks, obtain an average value of pixel data for each block, and set a weight based on the average value to apply to each pixel data of each block.

The image converting means may apply the value of the pixel data to 0 when the difference between the value of each pixel data of each block and the average value is larger than a threshold.

According to another aspect of the present invention for achieving the above object, a fax transmission method of a mobile terminal interworking with a fax server of a communication network, the receiving step of receiving a selection input of the identification card transmission mode; An identification image conversion step of resizing the transmission target image to a predetermined identification card size and composing the resized transmission target image to a preset background image; And a transmission step of transmitting the synthesized image to the fax terminal through the fax server.

The identification image converting step may include dividing the transmission target image into a predetermined number of blocks; And obtaining an average value of pixel data for each block, and setting weights based on the average value and applying the average to the pixel data of each block.

In addition, in the identification image conversion step, when the difference between the value of each pixel data of each block and the average value is larger than a threshold, the value of the corresponding pixel data may be applied as zero.

In addition, the fax transmission method may include receiving a selection input of a document transmission mode; Dividing the document image into a predetermined number of blocks; And obtaining an average value of pixel data for each block of the document image and setting a weight based on the average value to apply to each pixel data of each block of the document image.

In accordance with another aspect of the present invention for achieving the above object, a fax system for providing a fax transmission service using a mobile terminal, the size of the transmission target image to a predetermined ID size in the ID card transmission mode and the size of the transmission A mobile terminal for synthesizing the target image into a preset background image; And a fax server configured to receive the synthesized image from the portable terminal through a mobile communication network, convert the received synthesized image into a fax format, and transmit the converted image to a fax terminal.

According to the present invention, when an ID is photographed on a portable terminal and a fax is transmitted, an ID image is printed at an actual ID size on a receiving side fax terminal to maintain an original ID image to prevent image quality deterioration.

In addition, the present invention minimizes the data value of the color element that does not affect the image quality when faxing the identification image or document image in the portable terminal to reduce the size of the image data to reduce data call charges and reduce network load.

1 is a view showing the configuration of a fax system according to an embodiment of the present invention.
2 is a diagram illustrating a configuration of the portable terminal of FIG. 1.
3 is a flowchart illustrating a fax transmission method in a mobile terminal according to an embodiment of the present invention.
4 is a diagram showing the configuration of a fax server according to an embodiment of the present invention.

The foregoing and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, in which: There will be. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing the configuration of a fax system according to an embodiment of the present invention.

As shown in FIG. 1, the fax system according to the present embodiment includes a mobile terminal 110, a mobile communication network 130, a fax server 150, a PSTN / ISDN 170, and a fax terminal 190. .

The mobile terminal 110 is a terminal for providing wireless Internet by connecting to the mobile communication network 130, and may be any terminal that provides wireless Internet by accessing the mobile communication network 130 while moving as a smartphone, tablet PC, PDA, or the like. Do. The portable terminal 110 is installed with a fax application 111 as shown in FIG. The mobile terminal 110 may be equipped with a camera to capture and store an ID card or a general document.

The fax application 111 provides an ID card transmission mode and a document transmission mode to transmit an ID card image to the fax server 150 using the wireless Internet in the ID card transmission mode, and to fax a general document image using the wireless Internet in the document transmission mode. Send to server 150. The fax application 111 will be described later in detail with reference to FIG. 2.

The mobile communication network 130 includes Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Wireless Broadband Internet (Wibro), Global System for Mobile Communication (GSM), Universal Mobile Telecommunications System (UMTS), Long LTE (Long) Term Evolution) is a network that provides a wireless Internet service to the mobile terminal 110 on the move.

The fax server 150 is a relay device that receives an image transmitted from the fax application 111 of the mobile terminal 110 from the mobile communication network 130 and transmits the image to the fax terminal 190 of the destination. When viewed from the side, it is recognized as another fax terminal.

The fax server 150 performs image processing on the image transmitted from the fax application 111 of the mobile terminal 110 and transmits the image to the fax terminal 190. Image processing herein may vary depending on the performance of the mobile terminal 110. For example, if the mobile terminal 110 does not have a camera, the image received from the mobile terminal 110 is first sharply adjusted and then brightened, and then the adjusted image is converted into a black and white image to the fax terminal 190. send.

The fax server 150 performs retransmission processing in transmitting an image to the fax terminal 190. That is, when the reception response from the fax terminal 190 is not received within a predetermined time, the image is retransmitted. In addition, the fax server 150 may transmit an image as a result of the transmission to the mobile terminal 110 through the message center of the mobile communication network 130 after transmitting the image to the fax terminal 190, or of the mobile communication network 130 The transmission result may be pushed to the fax application 111 of the mobile terminal 110 through the packet network.

The PSTN / ISDN (Public Switched Telecommunication Network / Integrated Service Digital Network) 170 is a conventional fax communication network and transmits an image transmitted from the fax server 150 to the fax terminal 190.

The fax terminal 190 is a conventional fax terminal that communicates with the PSTN / ISDN 170 to receive and output the fax image.

FIG. 2 is a diagram illustrating a configuration of the portable terminal 110 of FIG. 1. Referring to FIG. 2, the portable terminal 110 includes a fax application 111, a communication unit 210, a camera unit 230, and a storage unit ( 250 and the control unit 270.

The communication unit 210 communicates with the mobile communication network 130 to transmit and receive data. The communication unit 210 receives an image for fax transmission from the fax application 111 under the control of the controller 270 and transmits the image to the fax server 150 through the mobile communication network 130.

The camera unit 230 includes a camera module to photograph a subject and store the photographed image in the storage unit 250 under the control of the controller 270. In the present embodiment, the camera unit 230 is driven in response to a call of the fax application 111 to store an image photographed using an ID as a subject in the storage unit 250, and further stores an image photographed using a general document as a subject. The storage unit 250 stores the same.

The controller 270 controls the overall operation of the mobile terminal 110 and supports the operation of the fax application 111. The control unit 270 includes a central processing unit and an operating system installed in the central processing unit, and the fax application 111 is installed in the operating system.

1, the fax application 111 includes a mode setting module 291, an image conversion module 293, a fax transmission module 295, and a transmission result management module 297.

The mode setting module 291 provides an ID card transmission mode and a document transmission mode, and transmits a mode selection signal according to a user input to the image conversion module 293.

The image conversion module 293 receives a mode selection signal from the mode setting module 291 and performs conversion processing on the image selected by the user. The image conversion module 293 may perform a conversion process by requesting the control unit 270 to drive the camera unit 230 according to a user input and selecting the image photographed by the camera unit 230 as an image to be faxed. , Or may select an image stored in the storage 250 to perform a conversion process.

When the image conversion module 293 receives the ID card transmission mode selection signal from the mode setting module 291, the image conversion module 293 determines the image selected by the user as the ID card and adjusts the size of the ID card image. Specifically, the image conversion module 293 converts the size into a predetermined ID size while adjusting the ratio of the width and height of the ID image to 0.8. The ratio may be adjusted according to the embodiment, and may be adjusted to 1.5 times the actual ID size.

Preferably, the image conversion module 293 fixes the height and reduces the width when the ratio of the width and height of the identification card image exceeds 0.8, and fixes the width and increases the height when the ratio is less than 0.8.

When the image conversion module 293 receives the document transmission mode selection signal from the mode setting module 291, the image conversion module 293 determines the image selected by the user as a general document, and maintains the original without resizing the document image. .

The image conversion module 293 performs image processing processing on the identification card image and the general document image.

Specifically, the image conversion module 293 divides the image into a predetermined number of blocks, obtains an average of R, G, and B values for each block, and weights the values based on the respective R, G, and B average values for each block. Set it. The image conversion module 293 may apply the weight to each of the R, G, and B values constituting each pixel constituting each block, and determine and apply the final R, G, and B values of each pixel. do.

For example, after setting the weight of the R value smaller than the average value to 0.8 and setting the weight of the R value smaller than the average value to 0.8 based on the average value of the R values of the first block of the image is 200, When the R value of the first pixel of the first block is 220, the weight 0.8 is applied to adjust the R value of the first pixel to 176. Therefore, the parts that appear relatively bright due to the large number of color elements control the brightness, and the parts that have relatively shadows or shadows are brightly displayed as a whole.

In addition, the image conversion module 293 may not affect the image quality when the value of each pixel constituting each block deviates from the average value by a predetermined range based on each R, G, and B average value of each block. Determine the value as 0 and apply. For example, when the R value of the first block of the image is 200 and the threshold range is 50, when the R value of the first pixel of the first block is 260, the R value of the first pixel is adjusted to 0. . In other words, if the difference between the value of each pixel and the average value is greater than the threshold, the value of that pixel is set to zero. Instead of obtaining average values of R, G, and B for each block, the color value of the pixel itself may be adjusted to 0 using the overall average value of R + G + B.

In addition, the image conversion module 293 synthesizes the image processing ID card image in the background image of A4 size prepared in advance in the ID card transmission mode. The background image may be a white image.

The fax transmission module 295 receives the processed image from the image conversion module 293 and transmits the received image to the fax server 150 through the communication unit 210. The fax transmission module 295 receives a telephone number of a sender of a fax and a telephone number of a recipient of a fax from a user and transmits the telephone numbers and images to the fax server 150.

The transmission result management module 297 manages the history of the transmission result based on the transmission result response received from the fax server 150 when the image is transmitted to the fax server 150 by the fax transmission module 295. To provide. Transmission result responses include transmission successful, waiting to be transmitted, busy during a fax call, no fax answering, and the like.

3 is a flowchart illustrating a fax transmission method in a mobile terminal according to an embodiment of the present invention.

Referring to FIG. 3, the mobile terminal 110 receives a mode selection input from a user (S301). The portable terminal 110 drives the fax application 111 according to a user input, and the fax application 111 provides an interface for selecting an ID card transmission mode and a document transmission mode to receive an input for one of them.

When receiving the ID card transmission mode selection input, the mobile terminal 110 drives the camera according to the user's input, photographs the ID card, extracts the ID card image, or extracts the ID card selected by the user from the album library (S303, S305). .

The mobile terminal 110 adjusts the size of the identification image (S307). Specifically, the mobile terminal 110 converts the size into a predetermined ID size while adjusting the ratio of the width and height of the ID card image to 0.8. The ratio can be adjusted according to the embodiment. For example, if the ratio of the width and height of the ID card image exceeds 0.8, the height is fixed and the width is reduced. If the ratio is less than 0.8, the width is fixed and the height is increased.

Next, the mobile terminal 110 performs image processing on the resized ID image (S309). In detail, the mobile terminal 110 divides an ID image into a predetermined number of blocks, obtains an average of R, G, and B values for each block, and sets weights based on respective R, G, and B average values for each block. do. Then, the weight is applied to each of the R, G, and B values constituting each pixel constituting each block, and the final R, G, and B values of each pixel are determined and applied. In addition, the mobile terminal 110 determines that a color element does not affect image quality when the value of each pixel constituting each block deviates from the average value by a predetermined range based on the respective R, G, and B average values of each block. Then set the value to 0 and apply it.

After the image processing is performed on the identification card image as described above, the mobile terminal 110 synthesizes the identification image on the background image of A4 size prepared in advance and transmits the synthesized image to the fax server 150 through the communication unit 210. (S311, S313). The background image is preferably a white image. The mobile terminal 110 receives the telephone number of the person sending the fax and the telephone number of the person receiving the fax from the user and transmits the received phone number to the fax server 150 together with the image. When the ID card image is synthesized on the white background image and transmitted to the other party's fax terminal 190, the ID card image is not printed on the entire A4 sheet of the other party's fax terminal 190 but printed in the actual ID size.

On the other hand, when the document transfer mode selection input is received in step S301, the mobile terminal 110 drives the camera according to the user's input to capture a general document and extract the document image or the general document image selected by the user from the album library. To extract (S315).

The mobile terminal 110 processes the image processing on the general document image in the same manner as the image processing on the ID card image, and then transmits the document image to the fax server 150 through the communication unit 210 (S317, S319). ).

4 is a diagram illustrating a configuration of a fax server according to an embodiment of the present invention. Referring to FIG. 4, the fax server 150 according to the present embodiment includes a receiver 410, an image processor 430, and a transmitter ( 450 and a result notification unit 470.

The receiver 410 receives a fax image from the mobile terminal 110 through the mobile communication network 130. The fax image may be an image in which an ID image is combined with a white background image, or may be a general document image.

The image processor 430 performs image processing on the fax image received by the receiver 410. Image processing herein may vary depending on the performance of the mobile terminal 110. For example, when the portable terminal 110 does not have a camera, the image received from the portable terminal 110 is first sharply adjusted and then brightened, and then the adjusted image is converted into a black and white image.

The transmitter 450 transmits the image processed by the image processor 430 to the fax terminal 190 in the fax format via the PSTN / ISDN 170. The transmission unit 450 retransmits the image when the reception response from the FAX terminal 190 is not received within a predetermined time.

The result notification unit 470 provides the portable terminal 110 with the fax transmission result transmitted from the transmission unit 450. The result notification unit 470 may transmit the fax transmission result to the fax application 111 of the mobile terminal 110 through the packet network of the mobile communication network 130 or as a short message through the message center of the mobile communication network 130. Can transmit

The method of the present invention as described above may be embodied as a program and stored in a computer-readable recording medium (such as a CD-ROM, a RAM, a ROM, a floppy disk, a hard disk, or a magneto-optical disk).

While the specification contains many features, such features should not be construed as limiting the scope of the invention or the scope of the claims. In addition, the features described in the individual embodiments herein may be combined and implemented in a single embodiment. Conversely, various features described herein in a single embodiment may be implemented in various embodiments individually or in a suitable subcombination.

It is to be understood that, although the operations have been described in a particular order in the figures, it should be understood that such operations are performed in a particular order as shown, or that a series of sequential orders, or all described operations, . In some circumstances, multitasking and parallel processing may be advantageous. It should also be understood that the division of various system components in the above embodiments does not require such distinction in all embodiments. The above-described program components and systems can generally be implemented as a single software product or as a package in multiple software products.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. The present invention is not limited to the drawings.

110: portable terminal 111: fax application
130: mobile communication network 150: fax server
291: mode setting module 293: image conversion module
295: fax transmission module 297: transmission result management module

Claims (13)

In a portable terminal providing a fax transmission service in conjunction with a fax server of a communication network,
Mode setting means for receiving a selection input of an operation mode of an identification card transmission mode and a document transmission mode;
Image conversion means for resizing the transmission target image to a predetermined ID size in the identification card transmission mode and composing the resized transmission target image to a preset background image; And
And transmission means for transmitting the synthesized image to the fax terminal through the fax server. The method of claim 1,
The image conversion means,
In the document transmission mode, the mobile terminal is characterized in that the resizing and background image composition are not performed on the transmission target image. 3. The method according to claim 1 or 2,
The image conversion means,
And dividing the transmission target image into a predetermined number of blocks, obtaining an average value of pixel data for each block, and setting a weight based on the average value and applying the same to each pixel data of each block. The method of claim 3, wherein
The image conversion means,
And when the difference between the value of each pixel data of each block and the average value is greater than a threshold, the value of the corresponding pixel data is applied as zero. The method of claim 3, wherein
The background image is a mobile terminal, characterized in that the A4 size white image. In the fax transmission method of the portable terminal which works with the fax server of a communication network,
A receiving step of receiving a selection input of an identification card transmission mode;
An identification image conversion step of resizing the transmission target image to a predetermined identification card size and composing the resized transmission target image to a preset background image; And
And transmitting the synthesized image to the fax terminal through the fax server. The method according to claim 6,
The ID image conversion step,
Dividing the transfer target image into a predetermined number of blocks; And
Obtaining a mean value of pixel data for each block, and setting a weight based on the mean value and applying the weighted value to each pixel data of each block. The method of claim 7, wherein
The ID image conversion step,
And applying the value of the corresponding pixel data to zero when the difference between the value of each pixel data of each block and the average value is larger than a threshold. 9. The method according to any one of claims 6 to 8,
Receiving a selection input of a document transmission mode;
Dividing the document image into a predetermined number of blocks;
Obtaining an average value of pixel data for each block of the document image and setting a weight based on the average value to apply to each pixel data of each block of the document image; And
And transmitting a document image to the fax terminal through the fax server. In a fax system that provides a fax transmission service using a mobile terminal,
A mobile terminal which resizes a transmission target image to a predetermined ID size in an ID transmission mode and synthesizes the sized transmission target image into a preset background image; And
And a fax server receiving the synthesized image from the portable terminal through a mobile communication network, converting the received synthesized image into a fax format and transmitting the synthesized image to a fax terminal. 11. The method of claim 10,
The mobile terminal,
And dividing the transmission target image into a predetermined number of blocks, obtaining an average value of pixel data for each block, and setting a weight based on the average value to apply to each pixel data of each block. 13. The method according to claim 10 or 12,
The fax server,
A fax system for resending the synthesized image to the fax terminal if a reception response from the fax terminal is not received within a predetermined time. 13. The method according to claim 10 or 12,
And the background image is a white image of A4 size.
KR1020110112273A 2011-10-31 2011-10-31 Portable terminal and method for providing mobile fax service, and fax system KR20130047326A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10051148B2 (en) 2015-12-08 2018-08-14 S-Printing Solution Co., Ltd. Cloud server, image forming apparatus and method for transmitting fax

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10051148B2 (en) 2015-12-08 2018-08-14 S-Printing Solution Co., Ltd. Cloud server, image forming apparatus and method for transmitting fax

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