JPH0269054A - Telephone set - Google Patents

Abstract

PURPOSE:To easily miniaturize a telephone set and, at the same time, to reduce the cost of the set by constituting the telephone set to have an originating and speech function sections, but no incoming function. CONSTITUTION:This telephone set is connected with a telephone line by means of e modular jack 1 and an originating function section 10 composed of an originating circuit 3 and key switches 4 and a speech function section 11 composed of a speech circuit 5 and handset 6 are connected to the telephone set through one terminal of a switch 2. No incoming function section 12 is provided in this telephone set. Therefore, a call to another telephone set can be performed by means of the section 10 and speaking with the telephone set can be made by means of the section 11. Since the large-size parts to be housed in the case of the telephone set 20 are dialer integrated circuit 21, speech network integrated circuit 29, and balancing network 30, the telephone set 20 can be constituted to a smaller size.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a telephone that can be used as a stand-alone telephone or as a telephone section of a facsimile with a telephone function.

(Prior Art) The basic functions of a telephone include a calling function (sending a selection signal, etc.), a receiving function, and a telephone call function.

(Problem to be Solved by the Invention) However, when attempting to miniaturize a telephone, it is necessary to realize the above-mentioned outgoing, incoming, and telephone functions within a narrow space, which causes difficulty in arranging components. However, there were problems in that assembly was complicated and miniaturization was difficult.

Furthermore, there was also the problem that it was difficult to keep costs low.

An object of the present invention is to solve the above-mentioned problems and provide a telephone that can be easily miniaturized.

(Means for Solving the Problems) A telephone set according to the first aspect of the present invention includes a calling function section and a calling function section, but does not include a call receiving function.

A telephone according to a second aspect of the present invention is provided with an oscillation function section and a telephone call function section, and the incoming call function section is configured to be detachable.

(Function) As described above, since the telephone according to the first aspect of the present invention does not have a call receiving function, an electronic circuit, a buzzer, etc. for realizing the call receiving function are not required, and the telephone can be miniaturized.

Further, since it does not have an incoming call function, it does not respond to calls from others, but since the telephone according to the first aspect of the present invention has an outgoing call function and a telephone call function, the present invention It is possible to call and talk to others from the telephone according to the first aspect of the invention.

The telephone according to the second aspect of the present invention is equipped with an oscillation function section and a telephone call function section, and the incoming call function section is configured to be detachable, so that when the incoming call function section is removed, the incoming call function is disabled. However, the telephone only has a smaller function for receiving calls. In this case, it is the same as the telephone set in the first aspect, and does not respond to calls from others, but since it has a calling function and a telephone call function, it is possible to call and talk to others from the telephone set. When equipped with an incoming call function, it responds to calls from others and has oscillation and conversation functions, so it functions as a normal telephone.

(Example) An embodiment of the present invention will be described below.

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.

The configuration of the telephone of this embodiment is as shown by the solid line in FIG. 1, and the portions removed from the conventional telephone are shown by broken lines for reference.

The telephone is connected to a telephone line through a modular jack 1, and is connected via one terminal of a switch 2 to an outgoing function unit IO consisting of an outgoing circuit 3 and a key switch 4, and a calling circuit 5.
A communication function unit 11 consisting of a handset 6 and a handset 6 is connected thereto.

In a conventional telephone, as shown by the broken line, a call receiving function unit 1 consisting of a call receiving circuit 7 and a buzzer 8 is connected via a modular jack.
2 is connected, but in the telephone according to one embodiment of the present invention, the incoming call function section 12 is deleted.

Therefore, the calling function section 10 can call another telephone, and the telephone function section 11 can make a call.

Next, the configuration of an embodiment of the present invention will be explained using a specific example.

The telephone 20 according to one embodiment of the present invention is, for example, shown in FIG.
), a dialer integrated circuit (for example, 808320^ manufactured by ROHM Co., Ltd.) 21, a dial pulse (hereinafter referred to as D
P) A mode selection instruction switch 22 that instructs selection of one of the signal mode and push button dial (hereinafter referred to as PB) signal mode, and inputs the output to the dialer integrated circuit 21.
, a sheet switch group 23 that inputs output to the dialer integrated circuit 21, an on/off switch 2 that turns on/off the connection to the telephone line, a modular jack 1 connected to the common contact of the on/off switch 2, and a modular A diode bridge 24 connected to the telephone line via the jack 1 and the on/off switch 2, a transistor 25 which operates as a DP signal generator by turning on and off in response to the DP double signal base from the dialer integrated circuit 21, and a dialer. It works as a PB signal transmission circuit in cooperation with the integrated circuit 21 (and also switches stepwise the amplifier circuit that amplifies the output signal of the microphone 26, the amplifier circuit that amplifies the input signal to the earphone 27, and the output sound from the earphone 27). It is equipped with a speech network integrated circuit (for example, BA 6566 manufactured by ROHM Co., Ltd.) 29 having a volume amplification circuit that adjusts the volume in response to the output of the volume changeover switch 28, and a balancing network 30.
3 and a Zener diode 34, the diodes 31 to 33 are diodes for blocking alternating current, and the Zener diode 34 is a Zener diode 34 for preventing excessive sound. Here, the earphone 27 and the earphone 26 correspond to the handset 6.

A plan view and a side view of the telephone set 20 according to an embodiment of the present invention shown in the block diagram of FIG. 2 fa> are as shown in FIGS. 2(b) and 2(C). A sheet switch group 23 and a microphone 26 are attached to the surface of the case of the telephone 20, and earphones 27 are detachably attached to the surface of the case of the telephone 20. Furthermore, a modular jack 1 is attached to one end of the case of the telephone 20.
Curl cord 3 connected to the plug inserted into jack 1
5 to the telephone line.

Furthermore, mode selection is performed so that the knob 2-1 for switching the on/off switch 2 protrudes from the side of the case of the telephone 20, and similarly the knob 28-1 for switching the volume selector 28 protrudes from the side of the case of the telephone 20. A knob 22-1 for switching the instruction switch 22 is provided so as to protrude from the side surface of the case of the telephone 20.

Therefore, the dialer integrated circuit 21, the speech network integrated circuit 29, and the balancing network 30 are the large components housed within the case of the telephone 20.
Telephone 20 can be configured to be small.

Also, by inserting the plug connected to one end of the curl cord 35 into the modular jack 1 of the telephone 20, connecting the other end of the curl cord 35 to the telephone line, and turning on/off switch 2, , telephone +120 is now connected to the telephone line. In this state, either the DP signal mode or the PB signal mode is selected by the mode selection instruction switch 22, and the seat switch group 2
3, it is possible to communicate with a desired party using the microphone 26 and earphone 27. When receiving the call, the volume of the audio output from the earphones 27 can be adjusted to a desired volume by switching the volume changeover switch 28.

Next, other embodiments of the present invention will be described.

A telephone according to another embodiment of the present invention is shown in FIG.

The incoming call function section of the telephone in this embodiment is configured to be detachably attached to the telephone 20 by appropriate means.

A modular jack 14 is attached to the incoming call function section 12, and the incoming call circuit 7 is connected to a telephone line via the modular jack 14. A modular jack 15 is attached to the incoming call function section 12, and a modular jack 14 is attached to the incoming call function section 12.
A telephone line is connected to the modular jack 15 via. With the incoming call function section 12 attached to the telephone 20, the plug connected to the other end of the curl cord 35 is inserted into the modular jack 15 to connect the telephone 20 to the telephone line. In this state, the telephone 20 receives an incoming call from the function section I.
2 is connected, and the telephone becomes equipped with a call receiving function.

Furthermore, when the plug at the other end of the curl cord 35 is unplugged from the modular jack 15 and the incoming call function section 12 is removed, the telephone 820 becomes a telephone 820 which includes the above-mentioned receiving function section 10 and call function section 11 but does not have an incoming call function.

In this state, by connecting the curl cord 35 to the telephone line using the plug at the other end, the telephone 20 becomes the same as in the embodiment of the present invention.

(Effects of the Invention) As explained above, according to the telephone according to the first aspect of the present invention, since the telephone is configured without a call receiving function, the telephone can be made inexpensive and compact.

Further, it has the effect of being able to be made smaller in cases where the telephone receiving function is not required, for example, when the telephone is carried around and used.

According to the telephone according to the second aspect of the present invention, the incoming call function part is configured to be detachable, so that when the incoming call function part is attached, it functions as a normal telephone, and when the incoming call function part is removed, it functions as a normal telephone. Although the phone does not have a call receiving function, it is small.

In addition, if you do not need the incoming call function, for example when you carry the phone with you, you can remove the incoming call function.
Telephones have become smaller and more convenient to carry.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention. FIG. 2 (Al is a block diagram showing a specific example of one embodiment of the present invention. FIG. 2 (BL and C1 are a plan view and a side view of the telephone according to the specific example shown in FIG. 2(a). 3 is a block diagram showing the configuration of another embodiment of the present invention. 1.14.15 Modular jack, 2 Sinch, 3 Transmission circuit, 4 Key switch, 5 ... Call circuit, 6... Hand Serato, 0... Transmission function section, 1... Communication function section.

Claims (2)

[Claims] (1) A telephone characterized in that it is equipped with a function section for making calls and a function section for making calls, but does not include a function section for receiving calls. (2) A telephone set comprising an oscillation function section and a telephone call function section, with the incoming call function section configured to be detachable.