JPH05344188A - Connector to public telephone line for php - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a connection device to a public telephone line in a PHP, which can connect the PHP to a public telephone line without passing through a base station. [Configuration] The PHP adapter and PHP are configured so that they can be connected by a cable.
A function of charging the storage battery of the PHP when the HP is connected, and a function of connecting the PHP to the public telephone line by connecting the PHP and off-hooking the PHP to activate the control circuit, the speech network circuit and the dialer circuit. , The key data is input to the dialer circuit by the key operation of the PHP, the dial data is transmitted to the public telephone line through the speech network circuit, the other party is called, the telephone can be called from the PHP, and the PHP is off-hook when the incoming call is received. As a result, the control circuit, the speech network circuit, and the dialer circuit are brought into the operating state, and the PHP is provided with a function capable of communicating with the other party.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is a PH in which a PHP (personal handy phone) can be connected to a general telephone line.
It relates to a connection device to a general telephone line in P.

[0002]

2. Description of the Related Art A PHP connects a public telephone network or an ISDN network via a base station to make a call, and can make a call from anywhere within a predetermined range from the base station or while moving. is there. Conventionally, there are a cordless telephone and a cellular (mobile communication) as a telephone that can make a call while moving.

A cordless telephone requires two sets of a base unit (for indoor use) and a handset unit (mobile phone), and is used to connect to a public telephone line from the handset unit via the base unit to make a call. .. In addition, digital cellular (mobile communication) is to connect to a public telephone network or ISDN network to make a call through a large number of base stations, control stations, and cellular telephone exchanges such as car telephones.

[0004]

As described above, the cordless telephone is connected from the slave unit to the public telephone line via the master unit to make a call, so the call charge is low, but the master unit and the slave unit are inexpensive. There is a problem in that the two sets must be set and the slave cannot be used as a mobile phone. Further, since the cellular (mobile communication) passes through a large number of base stations, control stations, and cellular telephone exchanges, there is a problem that the facility becomes large and the call charge becomes high. Since PHP is a method of connecting to the public telephone network via a terrestrial base station, the scale of equipment is smaller and the call charge is lower than that of cellular, but the call charge is high in that it cannot be directly connected to the public telephone line. There was a problem of becoming.

The present invention has been made in view of the above points, and an object of the present invention is to provide a connection device to a public telephone line in a PHP that can connect the PHP to the public telephone line without passing through a base station.

[0006]

In order to solve the above-mentioned problems, the present invention provides a PHP capable of making a call outdoors via a base station,
It is equipped with a PHP adapter installed indoors, and the PHP adapter is configured so that it can be connected by a cable. The PHP adapter is a control circuit, a speech network circuit and a dialer circuit, and a storage battery of the PHP when the PHP is connected. And a function to connect the PHP to a public telephone line by putting the PHP into an off-hook by connecting the PHP to the off-hook of the PHP and a key of the PHP. Key data is input to the dialer circuit by operation, dial data is sent to the public telephone line through the speech network circuit, the other side is called, and a call can be made from the PHP.
By off-hooking the PHP at the time of an incoming call, the control circuit, the speech network circuit, and the dialer circuit are put into an operating state, and the PHP is characterized by being able to talk with the other party.

Further, the PHP adapter is equipped with an LCR (minimum cost route selection circuit) and automatically selects a cheaper toll line.

Further, the PHP adapter is equipped with an answering machine, and when an incoming call is received while the PHP is not connected or when an incoming call is not made off-hook even when the PHP is connected, the answering machine is recorded. It is characterized by the unit being activated and being able to record messages.

[0009]

In the present invention, since the connection device to the public telephone line in PHP is constructed as described above, it is possible to connect the PHP adapter to P
By connecting the HP with a cable, the PHP can be connected to a public telephone line, and a call can be made by key operation of the PHP. Also, when the call is received, the call can be made with the other party by off hooking the PHP. In addition, PHP adapter is LCR
Since it has the (minimum cost route selection circuit), a cheaper out-of-town line can be automatically selected. Also, since the PHP adapter is equipped with an answering machine, if there is an incoming call while the PHP is not connected, or if there is an incoming call while the PHP is connected, the answering machine is activated and a message is recorded. Can be recorded.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 is a diagram showing the external appearance of a connection device to a public telephone line in the PHP of the present invention. PHP adapter 2
0 and PHP 10 can be connected by a cable 40 via a connector 48. The PHP adapter 20 is connected to an AC power source by a power line 50 and a public telephone line by a modular cord 51.

FIG. 1 shows a PHP 10 and a PHP adapter 2.
It is a block diagram which shows the circuit structure of 0. PHP10 is R
F circuit 11, IF circuit 12, synthesizer circuit 13,
The configuration includes a control circuit 14, a storage battery 15, and an antenna 16. The RF circuit 11 has a high frequency (1.
9 GHz) radio wave transmission / reception circuit. IF circuit 1
2 has a function of lowering the transmitted radio wave to a frequency at which it can be detected. The synthesizer circuit 13 is each frequency generation circuit that generates each frequency. It should be noted that in the block diagram of the PHP 10, illustration of a microphone, a speaker, a display unit, etc. is omitted.

The PHP adapter 20 is a control circuit 2
1, LCR (Minimum cost route selection circuit) 22, Control circuit / Dialer circuit / Speech network circuit 23, Answering machine control circuit 24, Ringer speaker 25, Ringer circuit 26, Recording / playback circuit 27 and Power supply circuit 28 It is a composition.

The cable 40 includes a data signal line 41,
Clock signal line 42, latch signal line 43, audio signal line 4
4, the detection signal line 45 and the charge lines 46 and 47.

In the connection device to the public telephone line in the PHP having the above structure, the PHP adapter 20 and the PHP 1
When the cable 0 is connected to 0, the circuit configuration is as shown in FIG. 1, and the sleep signal is input from the control circuit 14 to the RF circuit 11, the IF circuit 12, and the synthesizer circuit 13, and each circuit enters the sleep state.

By off-hooking the PHP 10,
Control circuit 14 of PHP 10 and control circuit of PHP adapter 20, dialer circuit, speech network circuit 2
Data signals are exchanged by the control circuit 3 and PHP 10 is connected to the public telephone line. The key data is input to the dialer circuit of the control circuit / dialer circuit / speech network circuit 23 by operating the key 10a of the PHP10, and the dial data is sent to the public telephone line through the speech network circuit to call the other party and the PHP is called I can talk.

As shown in FIG. 2, the PHP adapter 20
By disconnecting the connector 48 of the cable 40 from the control circuit 14, the control circuit 14 cancels the sleep state of the RF circuit 11, the IF circuit 12, and the synthesizer circuit 13, and each circuit becomes the operating state, and the base station (not shown) and the antenna 16 are provided. You can send and receive wirelessly via.

The detection signal line 45 detects that the PHP 10 is connected to the PHP adapter 20, and outputs the detection signal from the control circuit of the PHP adapter 20, the dialer circuit, and the control circuit of the speech network circuit 23 to the PHP 10.
Is a signal line for transmission to the control circuit 14 of FIG. This P
As means for detecting that the PHP 10 is connected to the HP adapter 20, there are a method of detecting the state of charge of the storage battery 15 of the PHP 10 and a method of electrically detecting that the connector 48 is connected.

In addition, PHP adapter 20 and PHP 10
When there is an incoming call with and are connected, the PHP10 is off-hook to control the circuit, dialer circuit,
When each circuit of the speech network circuit 23 is activated, the PHP 10 can communicate with the other party.

The PHP adapter 20 is a PHP 1
When dial data is received from 0, it is equipped with LCR (minimum cost route selection circuit) and can automatically select a cheaper out-of-town line.

The PHP adapter 20 also includes an answering machine recording control circuit 24 and a recording / playback circuit 27.
If there is an incoming call in the state where 0 is not connected, or if there is an incoming call in the state where the PHP 10 is connected but the off-hook is not performed within a predetermined time after the incoming call, the answering machine control circuit 24 and recording / playback are performed. Circuit 27 is activated and a message can be recorded.

In the above embodiment, the RF circuit 11 to the synthesizer circuit 13 of the PHP 10 are put into the sleep state at the time of connection, but the present invention is not limited to this, and the sleep state is not made at the time of connection. You may comprise. With this configuration, it is possible to receive a call from the base station to the radio even when connected.

[0022]

As described above, according to the present invention, the following excellent effects can be obtained. (1) Since the PHP and the PHP adapter can be connected and the public telephone line can be used, the call charge is low. (2) The PHP can be used as a mobile phone outdoors and as a general phone indoors. (3) When connected to the PHP adapter, the PHP storage battery can be charged. (4) The master unit (base set) is unnecessary for connecting to the public telephone line indoors. (5) You can record absences. (6) Equipped with LCR (minimum cost route selection circuit), a cheaper toll line can be automatically selected. (7) In the state of being connected to the PHP adaptor, it is possible to both receive an incoming call by wire via the adapter and an incoming call by wireless via the base station.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a PHP and a PHP adapter and a connection state thereof.

FIG. 2 is a diagram showing an appearance of a connection device to a public telephone line in PHP of the present invention.

[Explanation of symbols]

10 PHP 11 RF Circuit 12 IF Circuit 13 Synthesizer Circuit 14 Control Circuit 15 Storage Battery 16 Antenna 20 PHP Adapter 21 Control Circuit 22 LCR 23 Control Circuit / Dialer Circuit / Speech Network Circuit 24 Answering Machine Control Circuit 25 Ringer Speaker 26 Ringer Circuit 27 Recording / Recording Reproduction circuit 28 Power supply circuit

Claims (3)

[Claims] 1. A PHP capable of making a call outdoors via a base station.
And a PHP adapter provided indoors, wherein the PHP adapter and the PHP are configured to be connectable by a cable, and the PHP adapter is connected to the control circuit, the speech network circuit and the dialer circuit, and the PHP. And charging means for charging the storage battery of the PHP, and by connecting the PHP and off-hooking the PHP, the control circuit, the speech network circuit and the dialer circuit are in an operating state, and the PHP is connected to a public telephone line. A function to connect and a function to input key data to the dialer circuit by key operation of the PHP, send dial data to the public telephone line through the speech network circuit, call the other party, and call from the PHP. Off-hooking the PHP when receiving a call More, the control circuit, speech network circuit and dialer circuit becomes operation state, the connection device to the public telephone line in PHP, characterized by comprising a function capable of calling the PHP and the other side. 2. A connection device to a general telephone line in PHP, wherein the PHP adapter comprises an LCR (least cost route selection circuit) and automatically selects a cheaper toll line. 3. The PHP adapter includes an answering machine, and when an incoming call is received while the PHP is not connected, or when an incoming call is received when the PHP is connected, the PHP is not off-hooked. An answering machine is activated and a message can be recorded.
Connection device to public telephone line in HP.