KR100198225B1 - Automatic dialing method and device for facsimile - Google Patents

Abstract

The present invention provides a method and apparatus for automatic dialing in a facsimile machine that dials a next digit after a ring tone is detected when a root digit for dialing a trunk line of a local exchange is dialed through a private exchange among digits performing automatic dialing. The automatic dialing method in the facsimile includes: a root digit setting step of storing a digit inputted by requesting a root digit input of an installed private exchange system when an operation mode change function key is pressed and a private exchange mode is selected; A root digit identification step of identifying that the root digit is dialed while dialing the autodial number one by one when the auto dialing function key is selected from the user; If it is identified that the root digit is dialed, the automatic dialing completion step of checking whether a CO line dial tone is detected and dialing the remaining digit when a dial tone is detected is included.

Description

Automatic dialing method in fax and its device

1 is a block diagram of a typical facsimile.

2 is a schematic structural block diagram of a system to which the present invention is applied.

3a to 3b are flowcharts illustrating an automatic dialing process in a facsimile according to the present invention.

* Explanation of symbols for main parts of the drawings

110: reading 111: scanner

112: scanner control section 113: image processing section

120: printing unit 121: printer

122: printer control unit 130: image storage unit

140: encoding / decoding unit 150: modulator

160: network control device 171, 471: program storage unit

172: state storage unit 180, 480: key pad

190, 490: microprocessor 401: root digit storage unit

402: operation mode storage unit 403: automatic dial number storage unit

404: timer

The present invention relates to an automatic dialing method and apparatus for automatically performing a dialing to a destination, and more particularly, to an automatic dialing method and a device of a facsimile which dials a called party's number after detecting a CO line during automatic dialing. It is about.

1 is a block diagram of a general facsimile, reference numeral 110 denotes a scanning part for reading an original for sending or copying data, which is a scanner for acquiring an image of an original to be faxed in analog form. By converting the analog data transmitted from the scanner control unit 112 and the scanner 111 to control the operation of the 111 and the scanner 111 in the form of digital, gray level adjustment, background color compensation and generation of intermediate colors Is composed of an image processing unit 113 for processing.

Reference numeral 120 denotes a printing part for printing image data received from the other party on a recording sheet. The reference numeral 120 includes a printer 121 for printing and a printer control unit 122 for controlling the document. Reference numeral 130 denotes a document. An image storage unit stores a digital signal converted by the image processing unit 113 or a digital signal received through a telephone line for a predetermined amount to transmit a predetermined amount.

Reference numeral 140 denotes an encoder / decoder for encoding the data obtained from the reader 110 or decoding the encoded data, and 150 denotes the encoder / decoder by demodulating various analog signals transmitted through a telephone line into digital signals. A modulator for modulating a digital signal transmitted to or from the encoder / decoder 140 into an analog signal suitable for a telephone line as a transmission path, and 170 is a line for transmitting and receiving fax data through a telephone line. When switching to the demodulator 150 and the telephone call is a network control device for switching to the handset.

In addition, reference numeral 171 denotes a program storage unit for storing a program for reading and writing data and addressing and performing various states for operating the system to operate the system, and 172 for various states necessary for the operation of the system. It is a state storage unit for storing parameters, data, etc. 180 is a keypad provided with a plurality of operation buttons for carrying out various operations such as dial for transmitting originals, setting and releasing various functions of the facsimile, copying, etc. The overall coordination of the system is the microprocessor that controls and coordinates each block and checks and services the interrupts generated for it.

Next, the operation of the general facsimile configured as described above will be described in detail.

First, the document to be sent to the other party is fed to the scanner 111 so that the original feeder moves the document vertically through the photodetector of the scanner 111, and stores the dark level of each particle in each line unit. The signal obtained from the scanner 111 is in analog form.

In addition, since the contrast of light is changed between the photodetector of the next stage in the photodetector of the scanner 111, the image processing unit 113 adjusts the level of the photodetector with respect to the standard white line before feeding the document. Compensation for changes in photosensitivity is performed, and analog data is converted into a digital form representing the black and white pixels constituting the image.

The transmission data for the original document converted into the digital form is stored in the image storage unit 300 by four lines or one piece of data, and then compressed by the encoder / decoder 140 and transmitted from the demodulator 150 to the telephone line. Is converted to analog form for

On the other hand, looking at the case of receiving a fax from the other party, the network control device 160 receives the modulated analog signal from the telephone line and sends it to the demodulator 150, the demodulator 150 receives the received analog signal on the telephone line noise Overcome the distortion and change to digital form.

The digital signals are extended and reproduced by the mutually promised method in the encoder / decoder 140, and stored in the image storage unit 113 by a predetermined amount, and then are printed through the printer. At this time, the printer control unit 122 controls the image to be appropriately reproduced on paper.

In other words, the facsimile operated as described above provides a communication service for recording and reproducing a character, a table, a picture, a photograph, and the like into pixels by disassembling and transmitting them to pixels through electrical means.

As a member of office automation, the private exchange system, which is generalized in small and medium-sized workplaces, installs private premises exchange facilities in the premises of the premises for their own communication and accepts telephone lines of the exchange bureau to carry out internal and external communication. It was made possible.

However, in order to communicate with the outside using the private exchange system, if a predetermined key, for example, ROOTE DIGITS 9 or 0 is input and a CO line dial tone is detected, the caller establishes a call by inputting an area code and a telephone number of the called party. Should be required.

Therefore, the facsimile used to connect to the private exchange system as described above cannot use some of the various additional functions of the facsimile performed through automatic dialing.

In addition, in some other countries, the facsimile product specification mandates the detection of the dialing tone of the national exchange, which limits the export to foreign countries.

The present invention has been made to solve the above problems, and when it is recognized that the route digits among the digits that are automatically dialed in a state of separately storing the ROUTE DIGITS for occupying the CO line in the private exchange system, the CO line It is an object of the present invention to provide a method and apparatus for automatic dialing in a facsimile which is configured to dial the remaining digit after detecting a dial tone.

The automatic dialing method in the facsimile according to the present invention for achieving the above object is a root digit for storing the digit input by requesting the root digit input of the installed private exchange system when the operation mode change function key is pressed and the private exchange mode is selected. Setting step; A root digit identification step of identifying that the root digit is dialed while dialing the autodial digit one by one when the auto dialing function key is selected from the user; If it is identified that the root digit is dialed, the automatic dialing completion step of checking whether a CO line dial tone is detected and dialing the remaining digit when a dial tone is detected is included.

In addition, the automatic dialing device in the fax according to the present invention for achieving the above object is to dial a telephone number or to set various functions, a function key and automatic dial for changing the operation mode of the fax to the private exchange mode. A control unit for controlling the remaining digits to be dialed after detecting a dial tone when it is identified that the root digit is dialed by dialing the autodial digits one by one when the user selects the autodial function in a key input unit private exchange mode further equipped with a function key; A program storage unit configured to provide a control procedure to the control unit in which a program capable of performing automatic dialing through a private exchange system is stored in addition to a program for operating the system; A root digit storage unit for storing a root digit input from the key input unit through the control unit; A mode storage unit for storing an operation state of a system that is changed and set by a user from the key input unit through the control unit; An autodial number storage unit for storing a dial number for an autodial from the key input unit through the control unit; If it is identified that the root digit among the automatically dialed digits, it characterized in that it comprises a timer driven by the controller.

That is, according to the present invention as described above it is possible to perform automatic dialing through a private exchange system.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

2 is a schematic block diagram of a system to which the present invention is applied, and reference numeral 21 divides an original image into several scan lines in a predetermined order, converts the contrast of the original into electrical energy in this scan line order, and if necessary, It is modulated again and sent to a long distance, and the facsimile of the station is operated for remote demodulation, and 22 is a private exchange system that accepts telephone lines of an exchange bureau in the building of the premises to allow internal and external communication. 23 is a public switched telephone network (PSTN) provided by a telecommunication service provider, and allows a plurality of local exchanges 231 to be interconnected to relay a call.

3A to 3B are flowcharts illustrating an automatic dialing process in a facsimile according to the present invention. FIG. 3a shows the root digit storing process and FIG. 3b shows the auto dialing process.

First, as shown in FIG. 3A, when the operation mode change function key is pressed and the private exchange mode is selected (ST 300, 301), the route digit storing process according to the present invention requires the input of the root digit of the installed private exchange system. (ST 302), the input digit is sent to the local exchange (ST 303), and then a timer is driven (ST 304).

When the CO line tone is detected (ST 305), if the CO line tone is not detected within the predetermined time set in the timer (ST 306), the process returns to the step of requesting the root digit input (ST 302). When the CO line tone is detected (ST 306), the transmitted route digit is stored (ST 307).

As shown in FIG. 3B, when the autodial function key for automatically dialing a predetermined dial number is selected from the user (ST 308), the stored autodial number is read out (ST 308). ST 309, the variable n is initialized to 1 (ST 310), then the nth digit is dialed (ST 311), and it is determined whether the dialing is completed (ST 312).

At this time, if the dial is not completed, it is checked whether the dialed digit is the root digit stored in FIG. 3a (ST 313), and if the root digit is not the root digit, the variable n is n + 1 (ST 317). Returning to the dialing step (ST 311), and if the root digit is driven (ST 315) to check whether the CO line dial tone is detected within a predetermined time (ST 316, 317), if the CO line dial tone is detected, the remaining digit dialing is performed. (ST 318).

4 is a block diagram of an automatic dialing device in a facsimile according to the present invention, the same reference numerals are assigned to the same block as FIG. 1, and a detailed description thereof will be omitted.

In FIG. 4, reference numeral 490 denotes a microprocessor as a control unit for controlling the entire apparatus. When the user selects the autodial function, when the user selects the autodial function, the digits are identified by dialing the digits stored in the autodial number storage unit 403, which will be described later. After detecting the dial tone, the remaining digits are controlled to be dialed.

In addition, reference numeral 471 denotes a program storage unit for storing a program capable of performing automatic dialing through a private exchange system in addition to a program for operating the system and providing a control procedure to the microprocessor 490, and 480 denotes a facsimile. The keypad is further provided with a function key for changing the operation mode of the private exchange mode.

In addition, 401 is a root digit storage unit for storing the root digits input from the keypad 480 through the microprocessor 490, 402 is a user by the user from the keypad 480 through the microprocessor 490 Mode storage unit for storing the operation state of the system is changed and set, 403 is an automatic dial number storage unit for storing an automatic dial number from the keypad 480 through the microprocessor 490, 404 is automatically dialed If the digit is identified as the root digit, the timer is driven by the microprocessor 490.

That is, according to the present invention according to the above process, after the user changes the operation mode to the private exchange mode for accessing the facsimile to the private exchange system, and stores the root digits for the trunk line connection and finishes the installation of the facsimile. If you select the Auto Dial function, the autodial number will be dialed automatically.However, whenever you dial one digit, it will identify the root digit, and if it is the root digit, it will detect the dial tone and dial the remaining digits. Dialing is enabled.

In addition, this invention is not limited to the said Example, It can variously deform and implement within the range which does not deviate from the technical summary of this invention.

As described above, according to the present invention, when the root digit is dialed among the digits that are automatically dialed, it is possible to realize an automatic dialing method and apparatus in a facsimile which waits for a dial tone to be detected and dials the remaining digits.

Claims (3)

An automatic dialing method in a facsimile, the method comprising: a root digit setting step of storing a digit inputted by requesting a root digit input of an installed private exchange system when an operation mode change function key is pressed and a private exchange mode is selected; A root digit identification step of identifying that the root digit is dialed while dialing the autodial number one by one when the auto dialing function key is selected from the user; And when the root digit is identified to be dialed, checking whether a trunk line dial tone is detected, and when the dial tone is detected, automatically dialing completion of dialing the remaining digits. The method of claim 1, wherein the setting of the root digit comprises: a root digit input requesting step of requesting a root digit input of an installed private switching system when an operation mode change function key is pressed and a private switching mode is selected; A trunk line dial tone checking step of sending an input digit to a local exchange and checking whether a trunk line dial tone is detected within a predetermined time period; If the CO line tone is not detected within the predetermined time, return to the root digit input request step, and if the CO line tone is detected, a route digit storing step of storing the transmitted route digits; . A key input unit for dialing a telephone number or setting various functions, further comprising a function key and an auto-dial function key for changing and setting an operation mode of the fax into a private exchange mode; A controller for dialing an autodial number one by one when the user selects the autodial function in the private exchange mode, detecting a dial tone if it is identified that the root digit is dialed, and then controlling the remaining digits to be dialed; A program storage unit configured to provide a control procedure to the control unit in which a program capable of performing automatic dialing through a private exchange system is stored in addition to a program for operating the system; A root digit storage unit for storing a root digit input from the key input unit through the control unit; A mode storage unit for storing an operation state of a system changed and set by the user from the key input unit through the control unit; an autodial number storage unit for storing an autodial number from the key input unit through the control unit; And a timer driven by the control unit if it is identified that the root digit is among the digits to be automatically dialed.