JP2001339486A - Device for conversion between portable telephone and fixed network telephone - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for conversion between portable telephone and fixed network telephone, which enables calling while hearing a telephone call to portable telephone through a fixed network telephone set by converting the telephone call. SOLUTION: This device comprises a portable telephone cradle and a voice frequency signal amplification unit, a fixed network telephone signal conversion unit, a fixed network/portable telephone switching unit, and a calling detection unit and a charging unit, and this device and a fixed network telephone set are connected together; and calling is enabled while a telephone call to the portable telephone is converted and heard through the fixed network telephone set and a charging function for the battery of the portable telephone is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a type of portable telephone and fixed network telephone converter, and more particularly to an apparatus for converting a telephone call to a portable telephone so that a telephone call can be made by listening to the fixed network telephone. .

[0002]

BACKGROUND OF THE INVENTION Cellular phones, which are already in use by many, have brought the convenience of communication to our lives, but the negative effect of electromagnetic waves on the human brain has made the use of mobile phones a potential There is an unexpected danger. In such a situation, many people do not intentionally perform a call operation on a mobile phone unless they are going out. However, once you return to your home or office, you have to use your mobile phone all day in order to switch off your mobile phone so that you don't miss any important calls. For this reason, if a mobile phone can be connected to a home or office fixed network telephone and switched to a fixed network telephone for talking, there would be a great merit for a mobile phone user.

[0003]

SUMMARY OF THE INVENTION It is a main object of the present invention to provide a fixed network telephone capable of converting a call received by a portable telephone and making a telephone call with a fixed network telephone so that electromagnetic waves are transmitted to a human body. To reduce injuries to humans.

A second object of the present invention is to provide a fixed network telephone capable of charging a battery of a portable telephone.

[0005]

According to the first aspect of the present invention, there is provided a mobile phone cradle for leaving a mobile phone, wherein one mobile phone signal terminal is provided in the mobile phone cradle, and A portable telephone and fixed network telephone conversion device, in which the portable telephone signal terminal is inserted into the socket of the portable telephone by leaving the portable telephone unattended, is connected to the portable telephone. A circuit including a signal amplifying unit, a fixed network telephone signal converting unit, a fixed network / mobile phone switching unit, a call detecting unit, and a charging unit is provided, and the audio frequency signal amplifying unit moderately converts input / output audio frequency signals of the mobile phone. And the fixed network telephone signal conversion unit converts the audio frequency input / output signal of the mobile phone into a fixed network. The fixed network / mobile phone switching unit performs selective switching of connection between a fixed network or a mobile phone and a fixed network telephone, receives control of a call detection unit, and detects the call detection. The unit detects whether there is a call to the mobile phone and whether there is a call, determines the location of the fixed network / mobile phone switching unit,
The charging unit charges a battery of a mobile phone during standby, and is a conversion device between a mobile phone and a fixed network phone. According to a second aspect of the present invention, there is provided a conversion device for a portable telephone and a fixed network telephone according to the first aspect, further comprising a digital control signal generating unit and an off-hook / on-hook detecting unit of a receiver, and detecting the off-hook / on-hook detecting unit of the receiver. The digital control signal generating unit transmits a corresponding signal to form an off-hook state or an on-hook state, thereby providing a conversion device between a portable telephone and a fixed network telephone. According to a third aspect of the present invention, in the conversion device for a mobile phone and a fixed network telephone according to the first aspect, when the fixed network telephone signal conversion unit is used in a PSTN system, a voltage conversion unit, a vibration bell signal generator,
Equipped with a vibrating bell / call switching unit and an echo canceling unit, the vibrating bell signal generator generates a corresponding signal via the voltage conversion unit by the detection of the call detection unit, and the vibrating bell / call switching unit is fixed network telephone To generate a bell sound.
A conversion device for a mobile phone and a fixed network phone, which is characterized by notifying a user of a call. According to a fourth aspect of the present invention, in the conversion device for a mobile phone and a fixed network telephone according to the first aspect, the conversion device is connected to one antenna, and the antenna is used as an antenna of the mobile phone to collect signals indoors. It is a conversion device between a mobile phone and a fixed network telephone, characterized in that the function is enhanced and interference of the fixed network telephone is reduced. According to a fifth aspect of the present invention, in the conversion device for a portable telephone and a fixed network telephone according to the second aspect, the digital control signal generation unit is deleted and replaced with a bell response sound signal generation unit. Is a fixed network telephone signal conversion unit, and the vibrating bell high voltage signal generated by the vibrating bell signal generating unit drives the fixed network telephone to generate a bell sound for notification and a caller at the far end of the mobile phone. The device is a conversion device for a mobile phone and a fixed network phone, characterized in that a bell response tone is heard. According to a sixth aspect of the present invention, in the conversion device for a portable telephone and a fixed network telephone according to the first or fifth aspect, a fixed network vibration bell detecting unit is provided to detect the presence or absence of a call to the fixed network telephone. It is a conversion device between a mobile phone and a fixed network phone. According to a seventh aspect of the present invention, there is provided the conversion device for a portable telephone and a fixed network telephone according to any one of the first to fifth or sixth aspects, further comprising a call waiting notification signal generating unit, and a fixed network telephone vibration bell detecting unit. Alternatively, there is provided a conversion device between a mobile telephone and a fixed network telephone, which generates a call notification voice to a receiver according to a call detection signal of a call detection unit. According to an eighth aspect of the present invention, there is provided a conversion device for a mobile telephone and a fixed network telephone according to any one of the first, fifth, sixth and seventh aspects, comprising a fixed network / mobile telephone switching unit, The switching device switches between a fixed network telephone and a mobile telephone based on a user's selection.

[0006]

DETAILED DESCRIPTION OF THE INVENTION The present invention enables a mobile phone to be left unattended using one mobile phone cradle, and connects a mobile phone to a circuit of the device of the present invention via a mobile phone signal terminal. The circuit comprises an audio frequency signal amplification unit,
It is composed of a fixed network telephone signal conversion unit, a fixed network / mobile phone switching unit, a call detection unit and a charging unit. Added a function to charge the phone battery.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS.
Comprises a mobile phone cradle (10), and one mobile phone signal terminal (10) is provided in the mobile phone cradle (10).
2) is provided, the mobile phone (3) is left in the mobile phone cradle (10), and the mobile phone signal terminal (10) is provided.
By inserting 2) into the socket (301) of the mobile phone (3), the mobile phone (3) and the device (1) are connected. This device (1) is a mobile phone cradle (10),
Audio frequency signal amplification unit (11), fixed network telephone signal conversion unit (12), fixed network / mobile phone switching unit (13), call detection unit (14), charging unit (15), and mobile phone antenna (16) It has.

The audio frequency signal amplifying unit (11) comprises:
Appropriately amplifies the input and output audio frequency signals of the mobile phone.

The fixed network telephone signal conversion unit (12) converts a voice frequency input / output signal of a portable telephone into a voice frequency signal of a fixed network telephone standard.

The fixed network / mobile phone switching unit (13) performs selective switching of connection between a fixed network or a mobile phone and a fixed network telephone (9), and is controlled by a call detection unit (14).

The call detection unit (14) detects a call to a mobile phone and the presence or absence of a call, and determines a switch position of the fixed network / mobile phone switching unit (13).

The charging unit (15) charges the battery of the mobile phone during standby.

The antenna (16) is used as an antenna of a mobile phone.

The present device (1) is composed according to the above requirements. The mobile phone (3) is placed in the mobile phone cradle (10), and the mobile phone signal terminal (102) is connected to the socket (301) of the mobile phone (3). ), The connection between the mobile phone (3) and the device (1) is completed, and the charging unit (15) of the device (1) is connected to the power supply line ( 19) via the power supply rectifier (19) of the device (1).
It conducts with the power supply of 1) and charges the battery of the mobile phone. The device (1) is also connected to one antenna (16), which is used as a mobile phone antenna, which increases the indoor signal collection effect and reduces the interference to the fixed network telephone. . When a call arrives at the mobile phone (3), the call detection unit (14) detects a call to the mobile phone (3) and controls the switch position of the fixed network / mobile phone switching unit (13). That is, when a call is made to the mobile phone (3), the switch positions of the fixed network / mobile phone switching unit (13) are connected at (A1), (A1), and (A2) contacts, and if the call is made to the fixed network. BA (B
1), (B2) Connect to the contact. At the same time, the audio frequency signal amplifying unit (11) amplifies the input / output audio frequency signal of the mobile phone (3), and further converts it to the fixed network telephone standard audio frequency signal by the fixed network telephone signal conversion unit (12). I do. With the circuit composed of the above requirements, a telephone call to the mobile telephone (3) can be received by the fixed network telephone (2) and a telephone call can be made.

FIG. 3 shows another embodiment of the present invention.
Among them, the mobile phone cradle (2) of this device (2)
0), audio frequency signal amplification unit (21), fixed network telephone signal conversion unit (22), fixed network / mobile phone switching unit (23), call detection unit (24), charging unit (25), antenna (2)
6) is the same as the embodiment shown in FIG. However, the difference is that the digital control signal generation unit (2
7) The number of off-hook / on-hook detection units (28) of the handset is increased. When these two units use the simulated vibration bell signal and a mobile phone calls, a call detection unit (24) Is detected, the fixed network / mobile phone switching unit (2)
3) through the connection with the fixed network telephone signal conversion unit (22), that is, with the A1 and A2 contacts and isolated from the fixed network. Further, as shown in FIG. 4, at this time, the vibrating bell signal generating unit (223) in the fixed network telephone signal conversion unit (22) converts the high-voltage vibrating bell signal generated by the base station exchange of the fixed network company. Occurs (see FIG. 4) and drives the fixed network telephone (9) to generate a bell to notify the user of the call. Also, by detecting the off-hook / on-hook detection unit (28) of the handset, it is known whether or not the handset has been picked up and a telephone call has been made. If the handset has been picked up, the generation of the high-voltage bell signal is stopped, and the digital control signal is generated. The unit (27) gives one reception control code to the portable telephone to put the portable telephone in the receiving state. If the off-hook / on-hook detection unit (28) of the handset detects that the handset has been put down, that is, the on-hook state of the handset, the digital control signal generation unit (27) generates a standby control code for the mobile phone, and the receiver receives the call. Terminate and wait.

The fixed network telephone signal conversion unit (22) shown in FIG. 3, if used in a PSTN system, has only two cores (one ground wire and one signal wire) in the PSTN system. Therefore, the input and output of the signal are made with the same core wire, and the output signal can be fed back to the input terminal. For this reason, when receiving a mobile phone, the talker at the far end may hear the echo of his or her own voice, so that the echo needs to be removed. This device (2) solves this problem by using PSTN
When used in a system (see FIG. 4), the fixed network telephone signal conversion unit (22) comprises a voltage conversion unit (224), a vibrating bell signal generator (223), a vibrating bell / call switching unit (222) and one When the call detection unit (24) detects a call to a mobile phone, the voltage conversion unit (224) controls the vibrating bell signal generator (223). A corresponding signal is generated to connect the vibrating bell / call switching unit (222) to the A4 contact to bring the fixed network telephone (2) into a bell state to notify the user that there is a call. .
When there is no call, the vibration bell / call switching unit (222) is connected to the A3 contact position.

In addition, in order to reduce the manufacturing cost of the circuit, the present apparatus can eliminate the digital control signal generating unit (27) shown in FIG. 3 (see FIG. 5), and provide one bell response in the circuit. A sound signal generating unit (47) is provided, ie this is another embodiment of the present invention, in which the mobile phone cradle (40) of the device (4), the audio frequency signal amplifying unit (41) The fixed network telephone signal conversion unit (42), fixed network / mobile phone switching unit (43), charging unit (45), call detection unit (44) and handset off-hook / on-hook detection unit (48) are shown in FIG.
This is the same as the embodiment shown in FIG. However, the difference between these two embodiments is that, in the embodiment of FIG. 5, the user must first set the mobile phone (3) to a function of automatically receiving a call in a hands-free state. When there is a call on the mobile phone, after detection by the call detection unit (44), the fixed network / mobile phone switching unit (4)
3) to switch the fixed network telephone to the fixed network telephone signal conversion unit (42)
1. Connect the A2 contacts to isolate them from the fixed network telephone circuit. Also, a vibrating bell high voltage signal is generated by a vibrating bell signal generator (see FIG. 4) in the fixed network telephone signal conversion unit (42) to drive the fixed network telephone (9) to generate a bell sound to notify the user. .
Therefore, after a short period of time (several seconds), the mobile phone (3) automatically enters the listening state, and the bell response sound signal generating unit (47) transmits a bell sound to the person who made the far-end call through the mobile phone. Tell That is, the far end caller can hear the bell response tone, and the caller hangs up or stops ringing when the call is picked up.

FIG. 6 is a circuit block diagram of still another embodiment of the present invention. Among them, the audio frequency signal amplification unit (51), the fixed network telephone signal conversion unit (52), the fixed network / mobile phone switching unit (53), the call detection unit (54), the charging unit (55), The off-hook / on-hook detection unit (58) and the bell response sound signal generation unit (57) of the handset are the same as in the previous embodiment. In this embodiment, when the fixed network telephone (9) is already in a call state and the mobile telephone (or the fixed network telephone) receives a call, the call detection unit (54) (or the fixed network). After being detected by the vibrating bell detecting unit (56) (the call of the mobile phone is detected by the call detecting unit, and the call of the fixed network telephone is detected by the fixed network vibrating bell detecting unit), and then the call ringing signal generating circuit (59). The receiver is notified by a ringing tone (for example, a buzzer sound), and the receiver hangs up and lifts up the receiver again, or presses the FLASH key, via the mobile telephone switching control unit (510), through the fixed network telephone. The use right switching operation of (9) is executed.

[0019]

In summary, the present invention enables a mobile phone user to make a call via a fixed network telephone (that is, a wired telephone) while indoors or in the office, and minimizes electromagnetic wave damage to the human body. And has a function of charging the battery of the mobile phone, and therefore has practicality and inventive step.

[Brief description of the drawings]

FIG. 1 is an external view showing an embodiment in which a mobile phone is connected to the present invention.

FIG. 2 is a circuit block diagram of the present invention.

FIG. 3 is a circuit block diagram of a second embodiment of the present invention.

FIG. 4 is a local circuit block diagram of a second embodiment of the present invention.

FIG. 5 is a circuit block diagram of a third embodiment of the present invention.

FIG. 6 is a circuit block diagram of a fourth embodiment of the present invention.

[Explanation of symbols]

(1), (2) This device (10), (20), (40), (50) Mobile phone cradle (102) Mobile phone signal terminal (11), (21), (41), (51) Voice Frequency signal amplification unit (12), (22), (42), (52) Fixed network telephone signal conversion unit (13), (23), (43), (53) Fixed network / mobile phone switching unit (14) , (24), (44), (54) Call detection unit (15), (25), (45), (55) Charging unit (16), (26) Antenna (17) Fixed network (18) Connecting line (19) Power line (191) Power supply rectifier (27) Digital control signal generation unit (28), (48), (58) Handset off-hook /
On-hook detection unit (221) Echo removal unit (222) Vibration bell / call switching unit (223) Vibration bell signal generator (224) Voltage conversion unit (3) Mobile phone (301) Socket (47), (57) Bell response Sound signal generation unit (56) Fixed network vibration bell detection unit (59) Call waiting signal generation unit (510) Fixed network / mobile phone switching unit (9) Fixed network telephone (A1), (A2), (B1), (B2) ), (C1),
(D1) Contact

Claims (8)

[Claims] 1. A mobile phone comprising: a mobile phone cradle for leaving a mobile phone, one mobile phone signal terminal provided in the mobile phone cradle, and leaving the mobile phone in the mobile phone cradle; A mobile phone and fixed network telephone converter having a signal terminal inserted into a mobile phone socket and connected to the mobile phone, wherein the mobile phone cradle includes an audio frequency signal amplification unit, a fixed network telephone signal conversion unit, A circuit including a fixed network / mobile phone switching unit, a call detection unit, and a charging unit is provided, wherein the audio frequency signal amplification unit moderately amplifies an input / output audio frequency signal of the mobile phone, and the fixed network telephone signal conversion unit. Is the fixed frequency telephone signal of the mobile phone The fixed network / mobile phone switching unit performs selective switching of connection between a fixed network or a mobile phone and a fixed network telephone, is controlled by a call detection unit, and the call detection unit performs a call to the mobile phone. And the presence or absence of a call is determined, and the location of the fixed network / mobile phone switching unit is determined, and the charging unit charges a battery of the mobile phone during standby. apparatus. 2. An apparatus according to claim 1, further comprising a digital control signal generating unit, a receiver off-hook / on-hook detecting unit, and digital control by detecting the receiver off-hook / on-hook detecting unit. An apparatus for converting between a mobile phone and a fixed network phone, wherein the signal generating unit transmits a corresponding signal to form an off-hook or on-hook state. 3. The mobile telephone to fixed network telephone conversion device according to claim 1, wherein the fixed network telephone signal conversion unit is used in a PSTN system, the voltage conversion unit, the vibration bell signal generator, the vibration bell.・ Equipped with a call switching unit and an echo canceling unit. Upon detection of the call detection unit, the vibrating bell signal generator generates a corresponding signal via the voltage conversion unit, and connects the vibrating bell / call switching unit to the fixed network telephone. A mobile telephone and a fixed network telephone, wherein a bell sound is generated and a call is notified to a user. 4. The portable telephone and fixed network telephone converter according to claim 1, wherein the converter is connected to one antenna, and the antenna is used as an antenna of the mobile phone to perform a signal collection function in a room. A conversion device between a mobile phone and a fixed network telephone, characterized in that it enhances and reduces the interference of the fixed network telephone. 5. The conversion device according to claim 2, wherein the digital control signal generating unit is deleted and replaced with a bell response sound signal generating unit, and the bell response sound signal generating unit is fixed. In the network telephone signal conversion unit, the vibrating bell high voltage signal generated by the vibrating bell signal generating unit drives the fixed network telephone to generate a bell sound to notify the caller at the far end of the mobile phone. A conversion device between a mobile phone and a fixed network phone, which is characterized by a response tone. 6. A conversion device for a portable telephone and a fixed network telephone according to claim 1, further comprising a fixed network vibration bell detecting unit for detecting whether a call to the fixed network telephone is made. A mobile phone and fixed network phone conversion device. 7. The conversion device for a portable telephone and a fixed network telephone according to claim 1, further comprising a call waiting notification signal generation unit, a fixed network telephone vibration bell detection unit or a call. A conversion device for a portable telephone and a fixed network telephone, wherein a call notification sound is generated to a receiver according to a call detection signal of a detection unit. 8. The conversion device between a mobile phone and a fixed network telephone according to claim 1, wherein the conversion device comprises a fixed network / mobile phone switching unit, A conversion device for switching between a mobile telephone and a fixed network telephone, wherein the switching between the fixed network telephone and the mobile telephone is performed based on the selection.