JP3276869B2 - Wireless telephone - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an automobile telephone,
In connection with wireless telephones such as mobile phones and wireless telephone systems, specifically, when traveling by car, train, etc.,
Radio with automatic answering machine mode
It concerns a telephone .

[0002]

2. Description of the Related Art A wireless telephone having an answering machine function is
JP-A-6-62108, JP-A-6-284083
And Japanese Patent Application Laid-Open No. 8-125742. Further, when the master unit and the slave unit cannot communicate with each other, the master unit automatically switches to the answering machine mode. Japanese Patent Application Laid-Open Nos. Hei 2-206925 and Hei 6-261107 It is described in. further,
A wireless telephone system in which a base station can provide an answering machine service for rescue when a mobile phone or a mobile phone is out of the service area or when the power is cut off when a caller is absent is also disclosed in Japanese Patent Application Laid-Open No. HEI 9-64207. It is known from JP-A-5-30199.

[0003] Japanese Patent Application Laid-Open No. 6-62108 discloses that even if the user wants to answer a telephone call, such as when riding on an airplane or a train, driving a car, or being at a concert hall, he cannot answer. 2. Description of the Related Art There has been proposed a telephone device in a digital portable telephone system which can automatically record a telephone number and a message of a caller without entering a communication channel in a situation.

Japanese Patent Laid-Open Publication No. Hei 6-284083 has an answering machine function for automatically responding to an incoming call, transmitting a predetermined response message to the caller, and recording the received message of the caller thereafter. Wireless telephones have been proposed. This wireless telephone can prohibit the ringing of the incoming call during the valid period of the answering machine function.

The applicant of the present invention has disclosed in Japanese Patent Laid-Open Publication No. Hei 8-125742 an electrically erasable programmable memory for storing voice data, and an answering machine function program for storing and reading voice data in the memory. Has proposed a mobile phone with an answering machine function.

Japanese Patent Application Laid-Open No. 2-206925 has a master unit mounted on an automobile for transmitting and receiving signals to and from a base station, and a wireless slave unit for transmitting and receiving signals to and from the master unit. In an automobile telephone device, an out-of-service-area detecting means for detecting that the slave is out of the service area based on the intensity of the radio wave from the slave, and forcibly setting the master unit when the slave is out of the service area. There has been proposed an automobile telephone control device provided with control means for switching to an answering machine mode.

Japanese Patent Laid-Open Publication No. Hei 6-261107 discloses that when a slave unit goes out of a cordless call area from a master unit for a certain period of time or more, the master unit automatically enters an answering machine function operating state. There has been proposed a portable wireless telephone device that automatically releases the answering machine operation state when a handset enters a cordless call area from a base unit.

Japanese Unexamined Patent Publication No. Hei 5-30199 discloses that when a telephone device becomes available for communication when the power is turned on or when the telephone device enters a service area, a call is automatically made to a message playback dial by judging this. There has been proposed a telephone device in which presence or absence of a message is determined based on a message from a base station, and only when a message is present, is notified to a caller.

[0009]

For example, when driving a car, riding a train, a bus, or the like, and cannot answer a call or refrain from talking, use the answering machine function. Is convenient. In the answering machine mode, the ring tone does not sound even if there is an incoming call, so that it does not bother others.

In a conventional wireless telephone having an answering machine function, it is necessary for a user to set an answering machine mode by operating an answering machine key or the like. Further, at the time when a situation where a call can be received, the user needs to perform an answering mode release operation. A wireless telephone that does not have an answering machine function can use the answering service. Even in this case, it is necessary to transmit the absence mode setting command and the cancellation command to the base station and the like.

However, it is troublesome to set the answering machine mode each time the user gets on the vehicle and release the answering machine mode after getting off the vehicle. If you do not set the answering machine mode, a ringtone will sound while driving or in a car. If you forget to cancel answering machine, you will not be able to answer it even though you are available to answer the phone.

[0012] In order to automatically switch to the answering machine mode when a call cannot be made, a situation in which the mobile phone is moving at a high speed in a car or a train (even if there is an incoming call) If you automatically switch to answering machine mode in situations where you cannot immediately answer or receive an incoming call, it is convenient because you do not need to set and release answering machine mode every time you get on or off. is there.

The present invention has been made to solve such a problem, and has as its object to provide a wireless telephone capable of automatically setting and canceling the answering machine mode.

[0014]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides an answering machine capable of recording a message from a caller and reproducing the recorded message, To monitor the elapsed time from when the location registration to the new base station is performed,
If the elapsed time is shorter than the first threshold, it is determined that the vehicle is in the high-speed moving state, and is also determined to be in the high-speed moving state.
After that, a moving state detecting unit that detects a non-moving state is detected by detecting a case where the moving state is longer than a second threshold longer than the first threshold. When a call is received, the answering machine is automatically set to an answering mode, and a ring tone does not sound even if there is an incoming call.

[0015]

[0016]

[0017]

[0018]

[0019]

[0020]

[0021]

[0022]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a block diagram of a wireless telephone according to the present invention. The wireless telephone 1 according to the present invention includes an antenna 2 for both transmission and reception,
, A baseband unit 4, a telephone unit 5, a control unit 6,
Telephone operation unit 7, display unit 8, moving state detection unit 9
And an answering machine 10.

The radio section 3 includes an antenna duplexer, a receiving section, a transmitting section, a frequency synthesizer and the like. Radio section 3 receives a reception channel specified based on reception channel specification information supplied from control section 6, and outputs reception signal 3a. The wireless unit 3 transmits the transmission signal 3b using a transmission channel specified based on the transmission channel specification information supplied from the control unit 6.

The baseband unit 4 includes a reception signal processing unit and a transmission signal processing unit. The baseband unit 4 processes the reception signal 3a and supplies the reception voice signal 4a to the telephone unit 5 and supplies a reception control signal to the control unit 6. The baseband unit 4 processes the transmission audio signal 4b supplied from the telephone unit 5 and the transmission control signal supplied from the control unit 6, generates a transmission signal 3b, and supplies it to the wireless unit 3.

The telephone unit 5 processes the transmission voice signal input from the microphone 51 constituting the transmitter and supplies it to the baseband unit 4 as a transmission voice signal 4b. The telephone unit 5 processes the received audio signal 4a supplied from the baseband unit 4, and supplies the received audio signal to a speaker 52 constituting a receiver. On the basis of the incoming call display command supplied from the control unit 6, the telephone unit 5 sounds the sounder 53 constituting the incoming call display to perform an audible display of the incoming call. The telephone unit 5 includes a dial circuit (not shown). The telephone unit 5 generates a dial signal based on the dial transmission information supplied from the control unit 6 and supplies the dial signal to the baseband unit 4.

The control unit 6 controls the operation of the wireless telephone 1 based on various operation inputs from the operation unit 7. Control unit 6
Causes the display unit 8 to display the operating state of the wireless telephone 1, the telephone number dialed, and the like. The control unit 6 registers the position of the own station with an adjacent base station by registering the individual identification number (ID number) of the own station with the base station. The control unit 6 stores the ID number of the base station whose position has been registered. The control unit 6 supplies the ID number 6a of the base station that has performed the location registration to the moving state detection unit 9.

The moving state detecting section 9 monitors the ID number 6a of the base station supplied from the control section 6, and changes the frequency of location registration (the number of location registration changes per unit time) to a preset allowable change. If the frequency is exceeded,
Is determined to be in a moving state at a high speed, and supplies a moving state detection signal 9a to the answering machine 10. When the position registration is not changed over the preset non-moving state determination time, the moving state detecting unit 9 outputs the moving state detection signal 9a.
Stop output of

The moving state detecting unit 9 monitors the elapsed time from the time when the previous location registration is performed to the time when the location registration for a new base station is performed, and when the elapsed time is shorter than a preset time. May determine that the wireless telephone 1 is in a moving state at a high speed and generate a moving state detection signal 9a.

The non-moving state determination threshold value for determining the non-moving state may be set higher than the moving state determining threshold value for determining the moving state. This allows
It is possible to prevent a non-moving state from being determined by stopping the movement for a short time.

The moving state detecting unit 9 sets the allowable change frequency for judging the high-speed moving state to be higher when the position registration is alternately repeated with respect to two specific base stations than when the position registration is not repeated. You may make it.

The answering machine unit 10 includes an answering machine operation unit 11
, An answering machine control unit 12 and a message recording unit 13. The answering machine operation unit 11 includes an automatic key 11a for setting an automatic mode for automatically setting and canceling the answering machine mode based on the moving state detection signal 9a, and an answering key 11b for manually setting the answering machine mode. , A recording key 11d for recording a response message or recording during a call, a reproduction key (not shown), and the like.

When the automatic mode is set, the answering machine control unit 1
2 displays on the display unit 8 via the control unit 6 that the automatic mode is set. When the automatic mode is set, the answering machine control unit 12 monitors the moving state detection signal 9a from the moving state detecting unit 9. When the moving state detection signal 9a is supplied, the answering machine control unit 12 sets the automatic answering mode. The answering machine control unit 12 causes the display unit 8 to display that the automatic answering mode has been set via the control unit 6.

When the automatic answering mode is set, the answering machine control unit 12 stops the operation of the ring tone ringing circuit in the telephone unit 5. Thereby, even if there is an incoming call, a ring tone does not sound. Note that the answering machine control unit 12 may supply a ringing tone prohibition request to the control unit 6, and the control unit 6 may stop outputting the incoming call display command.

When detecting an incoming call to the radio telephone 1, the control unit 6 supplies an incoming call signal to the answering machine control unit 12. The answering machine control unit 12 supplies a response command to the incoming call signal supplied from the control unit 6 to the control unit 6 when in the automatic answering mode and the answering mode set by operating the answering key 11b. When receiving the response command, the control unit 6 designates the communication channel, shifts the wireless telephone 1 to the communication state, and sets the answering machine control unit 12.
, A communication start signal indicating that the communication state has been entered is supplied.

When receiving the call start signal, the answering machine control unit 12 reproduces the response message recorded in advance in the message recording unit 13 and sends the response message via the telephone unit 5 as the transmission voice signal 4b. . When receiving the call start signal, the answering machine control unit 12 captures the received voice signal 4a via the telephone unit 5, and records the received voice signal 4a in the message recording unit 13. As a result, for example, a response message such as "I am traveling now. Please tell me your name, telephone number and requirements" can be sent, and a message from the caller can be recorded. Since the recording state has been entered since the call start state, the contents spoken by the caller during the transmission of the response message can be recorded.

The message recording unit 13 is configured using a semiconductor memory. When the wireless telephone 1 is configured to transmit and receive an analog voice signal, the answering machine control unit 12
It has a D converter and a D / A converter. The answering machine control unit 12 stores in the message recording unit 13 a digital received voice signal obtained by A / D converting the received voice signal. The answering machine control unit 12 performs D / A conversion on the digital voice signal relating to the response message read from the message recording unit 13 and supplies the digital voice signal to the telephone unit 5.

When the wireless telephone 1 is configured to transmit and receive a digital audio signal whose band has been compressed such as ADPCM, the answering machine control unit 12 records the digital audio signal whose band has been compressed in the message recording unit 13. When recording a response message from the microphone 51, a digital voice signal band-compressed by a voice codec or the like is recorded in the message recording unit 13. The band-compressed digital audio signal recorded in the message recording unit 13 is reproduced via an audio codec or the like. In a configuration for recording a band-compressed digital audio signal, a longer time message can be recorded with the same memory capacity.

The answering machine control unit 12 manages the number of times the answering machine has responded, the time, and the recording address of the message for each answering machine. The answering machine control unit 12 causes the display unit 8 to display the number of times the answering machine has responded, the time, and the like via the control unit 6. The answering machine control unit 12 releases the automatic answering mode when the moving state detection signal 9a is not supplied after the automatic answering mode is set. Answering machine control unit 1
2 releases the automatic answering mode also when the release key 11c is operated. When the answering machine responds and records the message from the caller, the answering machine control unit 12 notifies the speaker 52 or the sounder 53 via the telephone unit 5 that the message has been recorded when the automatic answering mode is released. May be displayed audibly.

When the recording key 11d is operated when the radio telephone 1 is not in a call state, the answering machine control unit 12
The response message input from the microphone 51 is recorded in a response message recording area in the message recording unit 13. When the recording key 11d is operated while the wireless telephone 1 is in a call state, the answering machine control section 12 records a voice signal during the call in the message recording section 13. The answering machine control unit 12 transmits the message recorded in the message recording unit 13 to the telephone unit 5 based on the operation of a play key (not shown).
Through the speaker 52 via the.

With the above configuration, if the automatic mode is set by the automatic key 11a, the wireless telephone 1 shown in FIG. 1 automatically sets the answering machine mode when the moving state is detected by the moving state detecting section 9. Thus, a message from the caller can be recorded by automatically responding to the incoming call while moving. When the mobile phone is no longer in the moving state, the answering machine mode is automatically canceled. Therefore, by using the automatic mode, the answering key is set by operating the answering machine when driving a car or getting on a train, and the answering key is operated by operating the release key at the end of driving or getting off. It is not necessary to perform the troublesome operation of canceling.

Further, in the automatic answering mode, since the ringing of the ring tone is stopped, the ring tone does not ring while driving or in a train. Therefore, it is possible to concentrate on driving. In addition, there is no possibility of inconvenience to surrounding people in a train or a bus. Note that, even when the answering machine mode is set by operating the answering key 11b, the ringing of the ringtone may be stopped.

FIG. 2 is a block diagram of a radio telephone with a diversity reception function according to the present invention. The wireless telephone 21 with diversity receiving function shown in FIG. 2 includes a transmitting / receiving antenna 22, a receiving antenna 23, and a wireless unit 30.
, A baseband unit 4, a telephone unit 5, a control unit 6,
It comprises an operation unit 7, a display unit 8, a movement state detection unit 29, and an answering machine unit 10. Radio unit 30, moving state detection unit 2
Except for No. 9, it is the same as that shown in FIG.

The radio section 30 includes a transmission / reception switching circuit 31, a reception antenna selection circuit 32, a transmission section 33, and a reception section 34.
And The transmission unit 33 supplies the transmission mode signal 33a to the transmission / reception switching circuit 31 at the transmission timing,
The switch circuit constituting the transmission / reception switching circuit 31 is switched to the side indicated by the dotted line. As a result, the transmission output 3
3b is supplied to the transmission / reception antenna 22, and the transmission output 33
b is transmitted.

In the receiving state, the transmitting / receiving antenna 22
Is connected to one input terminal of the reception antenna selection circuit 32 via the transmission / reception switching circuit 31. Receiving antenna 2
3 is connected to the other input terminal of the receiving antenna selection circuit 32. The receiving unit 34 supplies the antenna selection signal 34a to the reception antenna selection circuit 32, and selects the antennas 22 and 23 used for reception. The receiving unit 34 receives a signal when the signal is received using the transmitting / receiving antenna 22,
The reception level when the reception is performed using the reception antenna 23 is compared, and the antenna with the higher reception level is selectively used. The receiving unit 34 supplies the selection information 34b of the antenna used for reception to the moving state detecting unit 29.

The moving state detecting section 29 monitors the switching frequency of the receiving antenna based on the antenna selection information 34b used for reception output from the receiving section 34. When the owner of the mobile phone 21 is moving at high speed using a train, car, bus, bicycle, or the like, the receiving state changes with the movement, and the receiving antenna is frequently switched. Therefore, the moving state detection unit 29 counts the number of times of switching (switching frequency) of the receiving antenna within a predetermined time, and the number of times of switching (frequency of switching) exceeds a preset high-speed moving state determination threshold value. In this case, it is determined that the vehicle is in the high-speed moving state, and the moving state detection signal 29a is output.

After determining that the mobile station is in the high-speed moving state, if the switching frequency of the receiving antenna falls below the high-speed moving state determination threshold value, the moving state detection section 6 determines the high-speed moving state determination threshold value. The moving state detection signal 29a may be held until the state described below elapses a preset monitoring time. By adopting such a configuration, it is possible to prevent a situation in which the output of the moving state detection signal 29a is stopped when the train is stopped at the station or when the car is temporarily stopped at an intersection or the like and is determined to be in the non-moving state. Can be.

The configuration may be such that the user of the wireless telephone 21 can change the setting of the threshold value for determining the high-speed movement state by using various function keys provided on the operation unit 7 and a numeric keypad for dialing. As a result, it is possible to prevent the high-speed moving state from being erroneously detected in the weak electric field area.

In FIG. 2, two antennas 22, 2
Although the configuration for selectively switching 3 is shown, a configuration in which a plurality of antennas and reception units are provided and a reception system having a good reception level is selectively used from the plurality of reception systems may be employed.

The radio telephone 21 shown in FIG. 2 determines whether the owner of the radio telephone 21 is moving at high speed on a train, a car, or the like based on the frequency of switching antennas for diversity reception. Therefore, even if the user moves within the service area of the base station and the location registration is not changed, it is possible to detect that the mobile phone is in a moving state and set the answering machine 10 to the automatic answering mode. it can.

The radio telephones 1, 21 are provided with GPS receivers, and the positions of the radio telephones 1, 21 are detected at predetermined time intervals, and it is detected that the mobile telephones are in a high-speed moving state based on a moving distance per unit time. In the case, the moving state detection signal 9a,
29a may be generated.

FIG. 3 is a block diagram of another wireless telephone according to the present invention. The wireless telephone 41 shown in FIG. 3 utilizes an answering machine service provided on a wireless telephone network (wireless telephone network) side. Wireless telephone 41
Are transmitted and received by the antenna 2, the radio unit 3, the baseband unit 4, the telephone unit 5, the control unit 46, the telephone operation unit 7, the display unit 8, and the answering machine service operation unit 49. Become. Control unit 46, answering machine service operation unit 49
Other than the above, it is the same as that shown in FIG.

In addition to controlling the operation of the wireless telephone 41, the control unit 46 includes a moving state detecting unit 47 and an answering machine service control signal transmitting unit 48. If the change frequency of the position registration (the number of position registration changes per unit time) exceeds a preset allowable change frequency, the moving state detecting unit 47 determines that the wireless telephone 41 is in a moving state at a high speed. . The moving state detection unit 47 determines that the position registration has not been changed when the position registration is not changed for a preset non-moving state determination time.

An answering machine service operation unit 49 includes an automatic key 49a for automatically setting a state of using the answering machine service when the radio telephone 41 is in a moving state, and a state of using the answering machine service. An answering key 49b for manually setting an answering machine, a release key 49c for canceling the answering machine service, a reproduction key 49d for playing a message from the answering machine service, and the like are provided.

Answering machine service control signal sending section 48
Is a start signal for starting the answering machine service,
Plays a release signal for canceling the answering machine service, a message confirmation signal for inquiring whether a message is recorded in the answering machine service, a playback request signal for playing back a message recorded in the answering machine service, etc. And send it out.

In the case of transmitting and receiving a start signal, a release signal, a message confirmation signal, a reproduction request signal, a reply signal to the message confirmation, etc. using the DTMF signal, the answering machine service control signal transmitting section 48 transmits the D signal corresponding to each signal.
A TMF signal is transmitted from a dial circuit in the telephone unit 5. In the case of transmitting and receiving a start signal, a release signal, a message confirmation signal, a reproduction request signal, and the like by digital information, the answering machine service control signal transmitting section 48 transmits and receives various signals via the baseband 4.

Answering machine service control signal sending section 48
When the automatic answering mode is set by operating the automatic key 49a, the start signal is automatically transmitted when the moving state detecting unit 47 detects that the moving state is present. As a result, the answering machine service providing device provided on the wireless telephone network side does not perform the incoming call control on the wireless telephone 41, and automatically responds to the incoming call on the wireless telephone 41 when receiving the incoming call. Send a message and record the message from the caller.

Answering machine service control signal sending section 48
When the automatic answering mode is set and the moving state is no longer detected, a release signal is automatically sent. Thereby, the answering machine service is released. Note that the answering machine service control signal sending unit 48
A message confirmation signal is automatically transmitted following the release signal, and when a response to the effect that the message is recorded is received from the answering machine service providing device side, the presence of the message is notified using the speaker 52 or the sounder 53. May be displayed audibly.

Answering machine service control signal sending section 48
Sends a playback request signal when the playback key 49d is operated. When receiving the reproduction request signal, the answering machine service providing apparatus reproduces and sends the recorded message. As a result, the message recorded during the absence mode can be heard.

With the above configuration, the radio telephone 41 shown in FIG. 3 sets the automatic answering mode so that the answering machine service is automatically set when the mobile telephone is moved.
Also, when the mobile phone is in the non-moving state, the answering machine service is automatically canceled. Therefore, when the user of the wireless telephone 41 moves by car or train, the user is released from the operation of manually setting the use of the answering machine service.

FIG. 4 is a system configuration diagram of a radio telephone system according to an embodiment of the present invention . A wireless telephone system 61 according to the present invention comprises a wireless telephone 62 and a wireless telephone network 6.
3 The wireless telephone network 63 includes a base station 64 and a wireless telephone exchange 65.

The wireless telephone 62 includes a moving state detecting section 62a and a moving state signal transmitting section 62 in addition to a wireless section, a baseband section, a telephone section, a control section, an operation section, a display section, etc., not shown.
b. When the moving state detecting unit 62a detects that the mobile phone is in the moving state, the moving state signal transmitting unit 62b generates a moving state signal indicating the moving state, and transmits the signal from the antenna 62c. .

The base station 64 includes base station equipment such as an antenna duplexer, a transmission / reception device, a base station control device, and a transmission device, and also includes a telephone status management device 64a and an answering machine service providing device 64b. The base station 64 transmits and receives various signals to and from the wireless telephone 62 via the base station antenna 64c. The base station 64 receives the position registration request from the wireless telephone 62 and sends the identification number (ID number) of the base station 64 to the wireless telephone 62.

When the base station 64 receives the moving state signal transmitted from the wireless telephone 62, the base station 64 determines that the identification number (ID number) of the wireless telephone 62 that has transmitted the moving state signal and that the wireless telephone 62 is in the moving state. The indicated data is supplied to the telephone state management device 64a. Telephone state management device 64
a stops the transmission of the incoming signal to the wireless telephone 62 to which the data indicating the moving state is supplied, and activates the answering machine service providing device 64b when there is an incoming call to the wireless telephone 62. I do.

The answering machine service providing device 64b sends a message to the caller indicating that the radio telephone 62 cannot respond, and converts the message sent from the caller into a digital signal to generate a random signal. The data is stored in an accessible storage device. The answering machine service providing apparatus 64b manages the recording area of the message sent from the caller side, the identification number (ID number) of the wireless telephone 62, and the time when the message was recorded on the wireless telephone 62 in association with each other.

When base station 64 detects that the mobile phone 62 has stopped transmitting the moving state signal or detects that mobile phone 62 has transmitted the moving state release signal, base station 64 has released the moving state. Is supplied to the telephone state management device 64a. The telephone state management device 64a releases the state of stopping the transmission of the incoming signal to the wireless telephone 62.

When the base station 64 receives the message presence / absence confirmation request signal and the message reproduction request signal sent from the radio telephone 62, the base station 64
Is supplied to the telephone state management device 64a. The telephone state management device 64a determines whether or not there is a message in response to the message presence / absence confirmation request.
To answer. Upon receiving the message playback request, the telephone status management device 64a receives the answering machine service providing device 64a.
b to activate the corresponding message and transmit the reproduced message to the wireless telephone 62.

When the data indicating that the moving state has been released is supplied, the telephone state management device 64a checks whether a message for the wireless telephone 62 has been recorded. When the message is recorded, the telephone status management device 64a
When the wireless telephone 62 responds, a corresponding message is reproduced from the answering machine service providing device 64b and transmitted to the wireless telephone 62.

At the base station 64 side, the telephone status management device 64a
Although the configuration in which the telephone answering machine service providing device 64b and the answering machine service providing device 64b are provided has been described, the configuration may be such that the telephone state management device 65a and the answering machine service providing device 65b are provided on the wireless telephone exchange 65 side. In this case, the base station 64 associates the moving state signal and the moving state release signal with the identification number (ID number) of the wireless telephone 62 and associates it with the wireless telephone exchange 65.
It is configured to relay to

With the above configuration, the embodiment of the present invention
The radio telephone system 61 according to the embodiment can provide an answering machine service for an incoming call to the radio telephone 62 when the radio telephone 62 is in a moving state. The radio telephone 62 detects the moving state and automatically transmits the moving state signal, so that the user of the radio telephone 62 does not need to perform any operation when receiving the answering machine service.

Note that the wireless telephone 62 may be provided with a switch or the like for selecting whether or not to automatically receive the answering machine service when in a moving state. By providing such a selection switch or the like, for example, when there is a passenger even while driving, it is possible to set a state where an incoming call can be received without using the answering service on the telephone network side.

[0071]

As described above, the radio telephone according to the present invention includes the answering machine and the moving state detecting unit so that the answering machine can be automatically set to the answering mode when in the moving state. Therefore, for example, when moving at high speed by car, train, or the like, the answering machine is automatically set to the answering machine mode. Therefore, it is not necessary to perform the operation of setting and canceling the absence mode at the time of getting on or off the vehicle. In the absence mode, the ringing tone is stopped, so that no trouble is given to the surroundings in a train or the like.

The other wireless telephone according to the present invention automatically transmits a signal requesting the start of an answering machine service when it is detected that the mobile telephone is in a moving state. In this case, the answering machine service provided by the wireless telephone network can be used automatically.

[0073]

[0074]

[Brief description of the drawings]

FIG. 1 is a block diagram of a wireless telephone according to the present invention.

FIG. 2 is a block diagram of a wireless telephone with a diversity receiving function according to the present invention.

FIG. 3 is a block diagram of another wireless telephone according to the present invention.

FIG. 4 is a system configuration diagram of a wireless telephone system according to an embodiment of the present invention .

[Explanation of symbols]

 1, 21, 41, 62 Radiotelephone 6, 46 Control unit 9, 29, 47, 62a Moving state detection unit 10 Answering machine unit 11 Answering machine operation unit 12 Answering machine control unit 13 Message recording unit 48 Answering machine service control signal sending unit 49 Answering machine service operation unit 61 Wireless telephone system 63 Wireless telephone network 64 Base station 64a, 65a Telephone status management device 64b, 65b Answering machine service providing device 65 Wireless telephone exchange

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04B ^7/ 24-7/26 102 H04Q ^7/ 00-7/38

Claims (1)

(57) [Claims] 1. An answering machine for recording a message from a caller and capable of reproducing the recorded message, and a process from a time when the position registration is performed to a time when a position registration for a new base station is performed. The time is monitored, and when the elapsed time is shorter than the first threshold, the high-speed moving state is determined.After the high-speed moving state is determined, the second moving state is longer than the first threshold. By detecting a case longer than the second threshold, a moving state detecting unit for detecting a non-moving state is provided, and when it is determined that the mobile phone is in a high-speed moving state, the answering machine is automatically set to an answering mode, A wireless telephone characterized in that a ring tone does not ring even if there is an incoming call.