JPH098956A - Hand-free device - Google Patents

Abstract

PURPOSE: To realize various functions for a hand-free device. CONSTITUTION: The hand-free device 20 having a microphone and a speaker and connecting to a mobile telephone set 10 and a tape recorder 30 is provided with a control section that detects an on-hook/off-hook signal from the mobile telephone set 10 to send a remote control signal to operate the tape recorder 30. When the operation for recording is operated at the arrival of a call to or at the originating of a signal from the mobile telephone set 10, the control section detects an off-hook signal and sends a signal denoting the start of recording to the tape recorder 30. Thus, the tape recorder 30 records automatically the content of a speech and when the speech of the mobile telephone set 10 is finished, the control section detects an on-hook signal and sends a signal denoting the end of recording to the tape recorder 30. Thus, the recording of the tape recorder 30 is automatically finished.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hands-free device suitable for connecting to a mobile phone such as a car phone or a mobile phone.

[0002]

2. Description of the Related Art In recent years, mobile phones such as mobile phones and automatic telephones have been explosively popularized. Since portability of such a mobile phone is important, it is essentially not preferable to add some device to the outside, but even in such a background, it is demanded as a device to be added to the outside. There is a hands-free device that allows both hands to be used freely even during a call.

[0003]

However, since the conventional hands-free device is a device which simply has a speaker and a microphone, it has a further function.
Of course I couldn't. On the other hand, since the mobile phone itself is limited in functions other than a call for downsizing, there is a strong demand from the user side to have a more convenient function.

The present invention has been made in view of the above background, and an object thereof is to provide a hands-free device suitable for connecting to a mobile telephone, which has various functions. Especially.

[0005]

In order to solve the above-mentioned problems, the invention according to claim 1 provides a hands-free device having a microphone and a speaker and connected to a telephone set and a recording device. , Setting means for setting the telephone to a call state when the telephone is in an incoming or outgoing state, and instructing means for instructing the recording device to start recording when the telephone is in an incoming or outgoing state. The recording device is characterized in that it records the contents of a call made through the microphone and the speaker. According to a second aspect of the invention, in the first aspect of the invention, the instructing means instructs the recording device to end recording when the call is completed. In the invention according to claim 3, in a hands-free device connected to a telephone, an incoming call detecting means for detecting that the telephone is in an incoming call state, and a telephone call state when the telephone is in the incoming call state Setting means, a contact means for notifying the caller that a telephone number is requested, a number detection means for detecting the telephone number from the caller, and a storage means for storing the detected telephone number. And dialing means for dialing the stored telephone number. According to a fourth aspect of the invention, in the third aspect of the invention, the storage means sequentially stores a dial number from a caller each time there is an incoming call, and stores a plurality of stored telephone numbers. It is characterized in that it is provided with a selecting means for selecting any one of the above, and the dial means dials the selected telephone number.

[0006]

According to the first aspect of the present invention, when the telephone connected to the hands-free device is in the call state, the setting means sets the telephone in the call state, while the instructing means:
Instruct the recording device to start recording. Therefore, when the caller of the telephone set records the contents of the call, it is not necessary to perform the recording start operation on the recording device, and the burden on the caller can be reduced. According to the second aspect of the present invention, when the telephone connected to the hands-free device is in the call end state, the instructing means instructs the recording device to end the recording. Therefore, when the call is completed,
Since it is not necessary to perform the recording end operation on the recording device, the burden on the caller can be further reduced.
According to the invention as set forth in claim 3, when the incoming call detecting means detects that the telephone is in the incoming state, the setting means sets the telephone in the calling state, and the contact means causes the calling party to call the calling party. Request a phone number. When there is a telephone number from the caller, the number detecting means detects it and the storing means stores it. Thereby, even if the user is absent, the telephone number of the caller is stored when the call is made. Then, the user can dial the telephone number stored by the dial means, that is, the telephone number of the caller, to the caller immediately after returning home. According to the invention described in claim 4, when there are a plurality of incoming calls, the storage means
Remember the phone number of each caller. Since the user can select the telephone number to be dialed by the dialing means by the selecting means, the convenience for the user is enhanced.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a connection diagram showing an example of a usage state of the hands-free device of this embodiment. As shown in this figure, the microphone earphone terminal of the mobile phone 10 is connected to the input terminal of the hands-free device 20. The hands-free device 20 has a speaker and a microphone. The speaker amplifies and outputs the earphone output signal of the mobile phone 10, and the microphone supplies the output signal as a microphone input of the mobile phone 10. It is like this. A tape recorder 30 is provided outside the hands-free device 20, and its recording terminal is connected to the output terminal of the hands-free device 20. The hands-free device 20 is connected to the output terminal of the hands-free device 20.
A call signal is supplied via a microphone and a speaker provided in the recording device 30.
Will record the content of the call between the mobile telephone 10 and the other party.

According to this structure, when the other party dials the other party to go off-hook, or when the other party receives an incoming call and goes off-hook, the microphone provided in the hands-free device 20 thereafter. Since a call can be made via the speaker and the speaker, it is possible to make a call in a state where it is difficult for the user to use both hands freely.

Next, a description will be given of a configuration in which the recording operation of the tape recorder 30 is automatically performed according to the incoming and outgoing call of the mobile telephone 10. FIG. 2 shows a connection state in this case. As shown in this figure, the mobile telephone 10 is of a type having test terminals for outputting on-hook and off-hook signals, and the terminals are connected to the hands-free device 20. The tape recorder 30 is of a type having a remote control terminal for remotely controlling various operations, and this remote control terminal is connected to the hands-free device 20. The hands-free device 20 has a control unit that detects an on-hook / off-hook signal from the mobile telephone 10 and sends a remote control signal for operating the tape recorder 30.

In such a configuration, when an operation for recording is made when the mobile telephone 10 receives or makes a call,
The control unit detects the off-hook signal from the mobile phone,
A signal indicating that recording is started is sent to the tape recorder 30. As a result, the tape recorder 30 automatically records the content of the call. On the other hand, when the mobile phone 10 ends the call, the control unit detects the on-hook signal and sends a signal to the tape recorder 30 indicating that the recording is to be ended. As a result, the tape recorder 30 automatically ends the recording. With such a configuration, the content of the call can be recorded without operating the tape recorder 30, so that the burden on the caller can be reduced.

Next, a configuration in which the user knows the dial number of the call when the user is absent and an incoming call arrives will be described. FIG. 3 is a block diagram showing a configuration for this purpose. Here, the mobile telephone 10 has a test terminal and is of a type that can externally control the call state by on-hook and off-hook signals.

In FIG. 3, the microphone earphone terminal and the test terminal of the mobile phone 10 are the hands-free device 20.
Is connected to the I / O unit 21, which is the input / output unit of the. 22 is C
It is a PU and controls each unit of the hands-free device 20. Reference numeral 23 denotes a voice guide unit including a ROM for storing voice data and a D / A converter for converting voice data into an analog signal. Under the control of the CPU 22, a message for requesting a dial number from a caller. I /
Communication is made via the O section 21 and the mobile telephone 20. Reference numeral 24 is a dial discriminating unit, which is the mobile telephone 20 and the I / O unit 21.
The dial number of the caller is determined from the dial signal supplied via the. 25 is the determined dial number,
It is a memory that stores numbers in order of arrival. Reference numeral 26 is a display operation unit, and its detailed configuration is as shown in FIG. That is, the display operation unit 26 instructs the display unit 26A for displaying the incoming call number and the dial number, the buttons 26B, 26C for scrolling the incoming call number, and the tone signal for dialing the dial number corresponding to the incoming call number. It is composed of a call button 26D. Reference numeral 27 denotes a dial transmitting unit, which generates a dial signal when the call button 26D is pressed and transmits this to the I / O.
It is supplied to the mobile telephone 10 via the unit 21.

Next, the operation of this embodiment will be described. When the mobile telephone 10 receives an incoming call, the incoming call signal is supplied to the I / O unit 21.
Detects the occurrence of an incoming call. Then, the CPU 22 supplies an off-hook signal to the mobile phone 10 via the I / O unit 21, and sets the mobile phone 10 in the call state. Next, the CPU 22 instructs the voice guide unit 23 to output a message requesting a dial number. As a result, the message is transmitted to the caller through the I / O unit 21 and the mobile phone 10 in this order. In response to this message, the caller enters his / her contact dial number, which will be used by the mobile phone 1
0 and the I / O unit 21 are sequentially input to the dial discrimination unit 24 to discriminate the dial number. A method of detecting the frequency of a tone (DTMF) signal by a caller, a voice recognition, or the like can be considered for determining the dial number. Then, the detected dial numbers are stored in the memory 25 with numbers assigned in the order of arrival.

Here, on the display section 26A of the operation display section 26, for example, a display as shown in FIG. 4 is made. In this display, the left side of the colon shows the called number, and the right side of the colon shows the dial number corresponding to the called number. At this time, when the user depresses the button 26B or 26C, the incoming call number is incremented or decremented and changed, and the dial number corresponding thereto is also changed. It is assumed that the user displays a desired incoming call number on the display unit 26 by the operation and presses the call button 26D. Then, the CPU 22 detects this and instructs the dial sending unit 27 to generate the tone signal of the dial number corresponding to the called number selected at the present time. As a result, the dial sending unit 27 supplies the tone signal to the mobile phone 10 via the I / O unit 21, and as a result, the mobile phone 10 calls the dial number.

With this configuration, when an incoming call is received when the user is absent, the caller can be immediately dialed by a simple operation, and even if there are multiple incoming calls, It is possible to easily select the dial number that received the call.

[0016]

The present invention described above has the following effects. Since it is not necessary to perform a recording start operation on the recording device, it is possible to reduce the burden on the caller (claim 1). When the call is completed, there is no need to perform an operation for ending the recording on the recording device, so that the burden on the caller can be further reduced (claim 2). Since the user can dial the telephone number of the caller even when he / she is absent, it is possible to dial the caller immediately after returning home (claim 3). Even if there are a plurality of incoming calls, the user can select the telephone number to be dialed, so that the convenience for the user can be enhanced (claim 4).

[Brief description of drawings]

FIG. 1 is a block diagram showing a connection state when performing a hands-free function in an embodiment of the present invention.

FIG. 2 is a block diagram showing a connection state when performing an automatic recording function in the embodiment.

FIG. 3 is a block diagram showing a configuration for performing a calling function in the embodiment.

FIG. 4 is a front view showing a configuration of a display operation unit in the embodiment.

[Explanation of symbols]

10 ... Mobile telephone (telephone), 20 ... Hands-free device, 22 ... CPU (setting means, instruction means, incoming call detection means), 23 ... Voice guide section (contact means), 24 ...
Dial discrimination section (number detection means), 25 ... Memory (storage means), 26B, 26C ... Button (selection means), 2
7: Dial sending unit (dial means)

Claims (4)

[Claims] 1. A microphone and a speaker are provided,
In a hands-free device connected to a telephone and a recording device, when the telephone is in an incoming or outgoing state, setting means for setting the telephone to a call state, and when the telephone is in an incoming or outgoing state, A hands-free device, comprising: an instruction means for instructing the recording device to start recording, wherein the recording device records the contents of a call made through the microphone and the speaker. 2. The hands-free device according to claim 1, wherein the instructing unit instructs the recording device to end recording when the call is completed. 3. A hands-free device connected to a telephone, an incoming call detecting means for detecting that the telephone is in an incoming call state, and a setting means for setting the telephone to a call state when the incoming call is in the incoming call state. Contact means for notifying the caller that a telephone number is requested, number detection means for detecting the telephone number from the caller, storage means for storing the detected telephone number, and stored telephone number And a dial means for dialing a hands-free device. 4. The storage means includes a selection means for sequentially storing dial numbers from a caller each time there is an incoming call and selecting any one of the stored telephone numbers. 4. A hands-free device according to claim 3, wherein the dialing means dials the selected telephone number.