JP3249220B2 - Facsimile machine with built-in telephone - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile apparatus with a built-in telephone.

[0002]

2. Description of the Related Art In recent years, facsimile machines have been integrated with telephones along with miniaturization and price reduction.
It can be used both as a telephone and as a facsimile terminal, and has begun to spread in ordinary households. In such a telephone built-in facsimile apparatus, as shown in FIG. 6, a ten-key input unit 11 provided on an operation display unit and capable of inputting information has a two-contact circuit configuration.
One is connected to the control unit 12, and the other is connected to a dialer 13, which is an IC for dialing out a telephone circuit. Such a circuit structure is that the telephone circuit including the dialer 13 is similar to a normal telephone,
This is a circuit driven by central office power supply, so that it can be used only as a telephone even when the power of the facsimile machine is turned off. In addition, it maintains a certain level of insulation from the equipment side due to communication line protection and terminal equipment standards. Have a duty,
As described above, the numeric keypad input unit 11 has a two-contact circuit configuration.

FIG. 7 shows a network control unit (NCU) of a facsimile apparatus with a built-in telephone. The dial transmission unit 14 has a configuration similar to that of the dialer function of the telephone circuit. Control the calling function,
It operates under the control of the control unit (CPU) 15. The reason for this structure is that the control unit 15 cannot directly connect to the dialer for the same insulation as described above. As such a facsimile apparatus with a built-in telephone, for example, a facsimile apparatus disclosed in Japanese Patent Application Laid-Open No. 62-65553 is known.

[0004]

However, in such a conventional facsimile apparatus with a built-in telephone,
Since the numeric keypad input section has a two-contact circuit configuration, there has been a problem that it is difficult to increase the size of the numeric keypad input section and to complicate the operation display board. In addition, there are two parts having a similar function, that is, the dialer 13 and the dial transmission unit 14, and there is a problem that the efficiency is low and the cost increases.

Accordingly, an object of the present invention is to provide a facsimile apparatus with a built-in telephone which realizes a ten-key input unit with a single contact and a common dialer function in order to solve the above-mentioned problems.

[0006]

According to the first aspect of the present invention,
In order to solve the above problems, a telephone circuit having a dialer control unit, a ten-key input unit for inputting information by key operation, and a main control unit connected to the dialer control unit and controlling an apparatus main body, The numeric keypad input unit is connected to a dialer control unit of the telephone circuit, information input to the numeric keypad input unit is transmitted to the main control unit via the dialer control unit, and the dialer control unit supplies power to the station.
And operates by power supply from any of the apparatus power supply unit .

According to a second aspect of the present invention, in order to solve the above problem, in addition to the first aspect, a signal transmitted from the dialer control unit to the main control unit is serially transmitted by an optical coupling element. It is characterized by. According to a third aspect of the present invention, in order to solve the above problem, in addition to the configuration of the first aspect, the dialer control unit transmits information input to the ten-key input unit to the main control unit when the power of the apparatus main body is turned on. When the power of the apparatus main body is turned off, the information input to the ten-key input unit is dialed as it is.

[0008]

[0009]

According to the first aspect of the present invention, the numeric keypad input section is connected to the dialer control section of the telephone circuit, and the information input to the numeric keypad input section is transmitted to the main control section via the dialer control section. Parts can be integrated
And the dialer control unit is used for
It operates by power supply from any of the above. According to the second aspect of the invention, in addition to the function of the first aspect, a signal transmitted from the dialer control unit to the main control unit is serially transmitted by the optical coupling element.

According to the third aspect of the present invention, in addition to the operation of the first aspect, when the power of the apparatus main body is turned on, the dialer control section transmits information input to the ten-key input section to the main control section, and transmits the information to the main control section. When the power is turned off, the information input to the numeric keypad is dialed as it is. Therefore,
It is possible to share a dialing unit with a conventional dialer.

[0011]

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIGS. 1 to 5 show an embodiment of a facsimile apparatus with a built-in telephone set according to the present invention. First, the configuration will be described.

In FIG. 1, reference numeral 1 denotes a main control unit for controlling a facsimile apparatus with a built-in telephone, and a CPU (C)
enteral Processing Unit),
ROM (Read Only Memory), RAM
(Random Access Memory) and I / O (Input / Output) ports (both not shown).

Reference numeral 2 denotes an operation display unit.
It has a numeric keypad (numeric keypad input) 2a,
(Liquid crystal display device) It has a unit and other key input units (neither is shown). Of these, only the ten key input unit 2a is connected to a dialer control unit in the NCU, which will be described later (specific connection lines are not shown in FIG. 1).

Reference numeral 3 denotes an NC which includes a telephone circuit.
U (Network Control Unit: network control unit), and NCU 3 includes a line switching relay RY1 for switching a telephone line between a telephone circuit side a and a modem side b, a line for automatically calling and a dialer control unit (or dialer CPU) 6. Line connection relay RY2 to be connected, hook switch H switched by ON / OFF of handset 7
S, a ringer unit 8 and a piezoelectric element BZ for transmitting a bell ringing and a calling signal to a control unit (not shown) in response to a calling signal from the exchange, a speech network unit 9 for performing a call control,
Dialer control unit 6 for transmitting a control unit for dial transmission and numeric keypad input, optical coupling elements PC1 and PC2, insulated DC / DC converter 10 serving as a driving power supply for the dialer control unit when there is no station power supply, and a modem and line From a transformer T that separates Reference numeral 4 denotes a modem as a modem, and reference numeral 5 denotes a unit such as a DCR (encoding / decoding device), a scanner, and a plotter for other facsimile functions.

Here, the facsimile apparatus with a built-in telephone according to the present embodiment comprises a telephone circuit (NCU 3) having a dialer control unit 6, a numeric key unit (numeric key input unit) 2a for inputting information by key operation as described above, and And a main control unit 1 connected to the dialer control unit 6 and controlling the apparatus main body. The numeric keypad 2a is connected to the dialer controller 6 of the telephone circuit.
Is transmitted to the main control unit 1 via the dialer control unit 6.

The dialer control unit 6 sends the main control unit 1
Are serially transmitted by the optical coupling element PC1. Further, the dialer control unit 6 transmits the information input to the numeric keypad unit 2a to the main control unit 1 when the power of the apparatus main body is turned on, and dials the information input to the numeric keypad unit 2a as it is when the power of the apparatus main body is turned off. You are calling.

Further, the dialer control section 6 operates by power supply from both the station power supply and the apparatus power supply section. Next, the operation will be described with reference to FIGS. Incidentally, FIG. 2 shows the dialing time flow of the dialer control unit 6, FIG. 3 shows the transmission time flow of the main control unit 1 side (host side), S ₁ to S ₇ in the drawing,
P ₁ to P ₇ shows the steps of each flow chart.

First, when the apparatus side power supply (not shown) is ON, DC /
The input from the DC converter 10, dialer controller 6 S ₁ will recognize that the powered device. Then, after the document set by the operator to send the fax at P _1, if there is key input in S _2, the process proceeds to S _3, dialers control unit 6 via an optocoupler PC1 once the input information Main control unit 1 (host side)
To communicate. FIG. 4 shows an example of the transmission information code.
When at P ₂ CPU in the main control unit 1 receives its information, and connects the line in the ON line switch relay RY2 at P _3, the dialer controller 6 via the optocoupler PC2 at P ₄ Convey the dialing command and its number. An example of this instruction code is shown in FIG.
Transmission. The dialer control unit 6, when there is outgoing instruction S _4, in S _5, the originating instructions received and sends dial that number. Thereafter, when at P ₅ is the start key input of the operator, the main control unit 1 of the CPU, P
Connect the line to the modem is turned ON the line switching relay RY1 6, wait for the opponent response to enter the facsimile transmission flow of P _7. As described above, even when a numeric keypad is input when setting an additional function of the device such as a clock setting, the dialer control unit 6 transmits the information to the main control unit 1 without fail when the device is turned on. Has become.

On the other hand, when the apparatus is powered off, when the operator lifts the handset, the hook switch HS is switched, and the line is connected to the dialer control unit 6 side. Thus dialer control unit 6 starts to operate, because there is no input from the DC / DC converter 10, in S _1, dialer controller 6 determines the power of the apparatus and OFF, the key input process proceeds to S ₆ If there is performed directly dialing as well as the phone in S _7.

As described above, in this embodiment, the ten-key input information is transmitted to the main control unit 1 on the HOST side via the dialer control unit 6, and the dialer control unit 6 supplies the station power.
And a circuit configuration that operates by power supply from any of the device power supply unit, so that the ten-key unit 2a can be integrated into a single contact, and the operation display unit 2 is enlarged and complicated. Can be prevented. Further, since the dial transmission is performed by the dialer control unit 6 irrespective of the state of the apparatus, the dial transmission unit and the dial transmission unit, which are separately provided in the related art, can be shared. Reduction can be achieved.

[0022]

According to the present invention, it is possible to realize a single point of contact for the ten-key input unit and to share the dialer and the dial transmitting unit, thereby achieving miniaturization and simplification of the apparatus and cost reduction. Can be planned.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of an embodiment of a facsimile apparatus with a built-in telephone set according to the present invention.

FIG. 2 is a diagram showing a flow at the time of transmission by the dialer control unit.

FIG. 3 is a view showing a transmission flow of the main control unit.

FIG. 4 is a diagram showing the numeric key input information code.

FIG. 5 is a diagram showing the dial transmission command code.

FIG. 6 is a diagram illustrating a two-contact structure of a ten-key input unit of a conventional telephone built-in facsimile apparatus.

FIG. 7 is a block diagram of the conventional device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main control part 2 Operation display part 2a Numeric keypad part (numeric keypad part) 3 NCU 4 Modem 5 Various units 6 Dialer control part 7 Handset 8 Ringer part 9 Speech network 10 DC / DC converter RY1, RY2 Line switching relay HS Hook switch BZ Piezoelectric element PC1, PC2 Optical coupling element T transformer

──────────────────────────────────────────────────の Continuation of the front page (51) Int.Cl. ⁷ identification symbol FI H04N 1/32 H04N 1/32 L (58) Field of investigation (Int.Cl. ⁷ , DB name) H04M 1/00 H04M 1 / 24-1/253 H04M 1/58-1/62 H04M 1/66-1/82 H04M 3/02-3/06 H04M 11/00-11/10 H04M 19/00-19/08 H04N 1/00

Claims (3)

(57) [Claims] 1. A telephone circuit having a dialer control unit, a ten-key input unit for inputting information by key operation, and a main control unit connected to the dialer control unit and controlling an apparatus main body, Unit is connected to a dialer control unit of a telephone circuit, and information input to a ten-key input unit is transmitted to a main control unit via a dialer control unit , and
The alarm control unit receives a signal from either the station power supply or the device power supply.
A facsimile apparatus with a built-in telephone , which operates even by power supply . 2. A facsimile apparatus with a built-in telephone according to claim 1, wherein a signal transmitted from said dialer control section to said main control section is serially transmitted by an optical coupling element. 3. The dialer control unit transmits information input to the numeric keypad input unit to the main control unit when the power of the apparatus main body is turned on, and transmits the information input to the numeric keypad input unit when the power of the apparatus main body is turned off. 2. The facsimile apparatus with built-in telephone set according to claim 1, wherein the dial call is made as it is.