JP2000295318A - Portable telephone set - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable telephone set capable of changing incoming sound volume when an incoming call is received before and after a user recognizes it. SOLUTION: This portable telephone set capable of detecting a sound (rustling sound) generated when a user tries to take it out of a bag, etc., to change incoming sound volume before and after the user recognizes it can be obtained by providing a microphone part 17 monitoring ambient sounds when an incoming call is received, a level detecting part 18 that detects a sound when the user takes the portable telephone set out of the bag, etc., by calculating the level variation of the sound monitored by the part 17 and an incoming sound controlling part 19 lowering incoming volume according to output results of the part 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone device using wireless communication.

[0002]

2. Description of the Related Art In recent years, in the field of mobile communication, in addition to ordinary voice communication, portable telephones and PHSs (Personal Computers) capable of easily performing data communication such as mail exchanges.
nalHandy-phone System) is rapidly spreading.

FIG. 14 is a block diagram showing a conventional portable telephone device. The portable telephone device 10 includes an antenna unit 11, a radio unit 12, a baseband processing unit 13, a voice control unit 14,
It comprises a speaker section 15, a ringer section 16, and a microphone section 17. The antenna unit 11 transmits and receives a radio signal. The wireless unit 12 performs transmission / reception processing of a wireless signal transmitted / received by the antenna unit 11. The baseband processing unit 13 is a wireless unit 12
Performs a process of analyzing a received signal obtained by receiving a wireless signal, a process of synchronizing a TDMA frame, or an output of transmission data to a wireless unit. The voice control unit 14 controls voice and ringtone based on data from the baseband processing unit 13. The speaker unit 15 reproduces audio data from the audio control unit 14. The ringer unit 16 reproduces the ring tone data from the voice control unit 14. The microphone unit 17 converts the sound into electric data and sends the electric data to the sound control unit 14.

FIG. 15 is a flowchart showing the incoming call operation of the conventional portable telephone device. The incoming call operation from the base station of the portable telephone device 10 configured as described above will be described with reference to FIGS. When there is an incoming call from the base station to the mobile phone device 10 (step S801),
The radio signal transmitted from the base station is received by the antenna unit 11, and the received signal is output from the antenna unit 11 to the radio unit 12, analyzed by the baseband processing unit 13 (step S802), and then processed by the voice processing unit. 14
The ringing tone data is sent from the voice processing unit 14 to the ringer unit 16 and the ringing tone sounds (step S803), and the user performs an incoming call operation (step S804).

[0005]

However, according to the above-described conventional method, when the user places the portable telephone device in a place away from the body, such as in a bag, the ring tone can be recognized so as to indicate that the call has arrived. Is often maximized,
Therefore, when the mobile phone device is taken out of the bag, the ring tone is loud, and the surroundings are troubled.

An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to provide a portable telephone device capable of changing the volume of an incoming call before and after the user recognizes the incoming call volume.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a portable telephone device using wireless communication, comprising: a microphone for monitoring surrounding sounds when an incoming call is received; A level detection unit that detects a sound when the user takes it out of a bag or the like by calculating a level change amount, and a ringtone control unit that lowers a ringtone volume based on an output result of the level detection unit are provided.

[0008] According to this configuration, a portable telephone device capable of changing the incoming call volume before and after the user recognizes the incoming call can be obtained.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention according to claim 1 is a portable telephone device utilizing wireless communication, wherein a microphone for monitoring surrounding sounds when an incoming call is received, and a level change amount of the sound monitored by the microphone. A mobile phone comprising: a level detection unit that detects a sound when a user takes it out of a bag or the like by calculating; and a ringtone control unit that lowers a ringtone volume based on an output result of the level detection unit. It is a telephone device that can change the incoming call volume before and after the user recognizes the incoming call.

According to a second aspect of the present invention, in the first aspect of the present invention, there is provided a microphone for monitoring surrounding sounds only during a period in which a ring tone does not sound at the time of an incoming call, and a level change of the sound monitored by the microphone. A level detection unit that detects a sound when the user takes it out of a bag or the like by calculating an amount, and a ringtone control unit that lowers a ringtone volume based on an output result of the level detection unit, is provided. Mobile phone device, which can prevent a malfunction due to a ring tone.

According to a third aspect of the present invention, in the second aspect of the present invention, there is provided a microphone for monitoring surrounding sounds only during a period in which a ring tone does not ring at the time of an incoming call, and a level change of the sound monitored by the microphone. A level detection unit that detects the sound when the user takes it out of a bag or the like by calculating the amount, and lowers the ringtone volume based on the output result of the level detection unit. A mobile phone device provided with a ring tone control unit for raising a call, which can determine a false detection of recognition of a user incoming call and control the ring tone.

According to a fourth aspect of the present invention, in the second aspect of the present invention, there is provided a microphone for monitoring surrounding sounds only during a period in which a ring tone does not sound at the time of an incoming call, and a level change of the sound monitored by the microphone. A level detection unit that detects a sound when the user takes it out of a bag or the like by calculating an amount, an optical sensor unit that detects that the user has moved from a dark place to a bright place, the level detection unit and the light A mobile phone device provided with a ring tone control unit that lowers the ring tone volume based on the output result of the sensor unit, and can improve the detection accuracy of user incoming call recognition. In addition,
At the time of an incoming call, it is also possible to detect the recognition of the incoming user by the optical sensor unit alone without monitoring surrounding sounds.

According to a fifth aspect of the present invention, in the second aspect of the present invention, there is provided a microphone for monitoring surrounding sounds only during a period in which a ring tone does not ring at the time of an incoming call, and a level change of the sound monitored by the microphone. A level detection unit that detects a sound when the user takes it out of a bag or the like by calculating an amount, a pressure sensor unit that detects a change in pressure when the user picks up the hand, the level detection unit, The mobile phone device further includes a ring tone control unit that lowers a ring tone volume based on an output result of the pressure sensor unit, and can improve detection accuracy of user incoming call recognition. In addition, at the time of an incoming call, it is also possible to detect the recognition of the incoming user by the pressure sensor unit alone without monitoring the surrounding sounds.

According to a sixth aspect of the present invention, in the second aspect of the present invention, there is provided a microphone for monitoring surrounding sounds only during a period in which a ring tone is not ringing at the time of an incoming call, and a level change of the sound monitored by the microphone. A level detection unit that detects a sound when the user takes it out of a bag or the like by calculating the amount, an infrared sensor unit that detects a change in temperature when the user picks up the hand, the level detection unit, A mobile phone device provided with a ring tone control unit that lowers the ring tone volume according to the output result of the infrared sensor unit, and can improve the detection accuracy of user incoming call recognition. In addition, at the time of an incoming call, it is also possible to detect the recognition of the incoming user by the infrared sensor unit alone without monitoring the surrounding sounds.

According to a seventh aspect of the present invention, in the second aspect of the present invention, there is provided a microphone for monitoring surrounding sounds only during a period in which a ring tone does not ring at the time of an incoming call, and a level change of the sound monitored by the microphone. A level detecting unit that detects a sound when the user takes it out of a bag or the like by calculating an amount, an acceleration sensor unit that detects vibration when the user picks up the hand, the level detecting unit and the acceleration sensor A mobile phone device provided with a ring tone control unit that lowers the ring tone volume according to the output result of the unit, and can improve the detection accuracy of user incoming call recognition. In addition, at the time of an incoming call, it is also possible to detect the recognition of the incoming user by the acceleration sensor unit alone without monitoring surrounding sounds.

(Embodiment 1) FIG. 1 is a block diagram showing a portable telephone device according to Embodiment 1 of the present invention. In FIG. 1, an antenna unit 11, a radio unit 12, a baseband processing unit 13, an audio control unit 14, a speaker unit 15, a ringer unit 16, and a microphone unit 17 are the same as those in FIG. Have. The mobile phone device 10 of this embodiment includes a level detection unit 18 and a ringtone control unit 19. The level detection unit 18 detects the sound when the user takes it out of the bag or the like by calculating the level change amount of the sound monitored by the microphone unit 17. The ringtone controller 19 lowers the ringtone volume based on the output result of the level detector 18.

FIG. 2 is a flowchart showing the incoming call operation of the portable telephone device according to the first embodiment of the present invention.
The operation of receiving a call from the base station will be described with reference to FIG.

When there is an incoming call from the base station to the portable telephone device 10 (step S101), the radio signal transmitted from the base station is received by the antenna unit 11, and the received signal is output from the antenna unit 11 to the radio unit 12. After being analyzed by the baseband processing unit 13 (step S102),
The ringing tone data is input to the voice processing unit 14 and sent from the voice processing unit 14 to the ringer unit 16, and the ringing tone sounds (step S103). Next, the microphone unit 17 is turned on to monitor the surrounding sound (step S104), and the level detection unit 18 calculates the amount of increase in the level change from the steady level with respect to the surrounding sound, and the calculated value is used by the user. If the signal exceeds the threshold value of the change in the sound level when the sound is taken out of a bag or the like (step S105), a detection signal is sent to the ringtone control unit 19, and the ringtone control unit 19 lowers the ringtone (step S106). ), And waits for a user's incoming call operation and receives an incoming call (step S107).

(Embodiment 2) A block diagram showing a mobile phone device according to Embodiment 2 of the present invention has the same configuration as that of FIG. 1 and a description thereof will be omitted.

FIG. 3 is a flowchart showing an incoming call operation of the portable telephone device according to the second embodiment of the present invention. FIG. 4 is a timing chart of the microphone ON of the portable telephone device. The incoming operation from the base station of the apparatus 10 will be described with reference to FIGS. 1, 3, and 4.

When there is an incoming call from the base station to the portable telephone device 10 (step S201), the radio signal transmitted from the base station is received by the antenna unit 11, and the received signal is output from the antenna unit 11 to the radio unit 12. After being analyzed by the baseband processing unit 13 (step S202),
The ringing tone data is input to the voice processing unit 14 and sent from the voice processing unit 14 to the ringer unit 16 to ring the ringtone (step S203). Next, as shown in FIG. 4, the microphone unit 17 is turned ON only during the period when the ring tone is not ringing,
The surrounding sound is monitored (step S204), and the level detecting unit 18 calculates the increase in the level change from the steady level with respect to the surrounding sound, and the calculated value is the sound when the user takes it out of the bag or the like. (Step S205), a detection signal is sent to the ringtone control unit 19, the ringtone control unit 19 lowers the ringtone (step S206), and waits for a user's incoming call operation. The call is received (step S207).

(Embodiment 3) A block diagram showing a portable telephone device according to Embodiment 3 of the present invention has the same configuration as that of FIG. 1, and a description thereof will be omitted.

FIG. 5 is a flowchart showing an incoming call operation of the portable telephone device according to the third embodiment of the present invention. The timing diagram of the microphone ON of the mobile phone device is the same as that of FIG. 4, and the incoming operation from the base station will be described with reference to FIGS. 1, 4 and 5 for the mobile phone device 10 configured as described above. .

When there is an incoming call from the base station to the portable telephone device 10 (step S301), the radio signal transmitted from the base station is received by the antenna unit 11, and the received signal is output from the antenna unit 11 to the radio unit 12. After being analyzed by the baseband processing unit 13 (step S302),
The ringing tone data is input to the voice processing unit 14 and sent from the voice processing unit 14 to the ringer unit 16 to ring the ringing tone (step S303).

Next, as shown in FIG. 4, the microphone unit 17 is turned ON only during the period when the ring tone is not sounding, and the surrounding sound is monitored (step S304). The amount of increase in level change from the steady level is calculated, and if the calculated value exceeds the threshold value of the level change of the sound when the user takes it out of a bag or the like (step S305), the ring tone control unit 19 Send a detection signal to
The ringtone controller 19 lowers the ringtone (step S30).
6). Thereafter, when the user does not perform the incoming call operation (step S307), the ring tone control unit 19 raises the incoming call tone again (step S308), waits for the incoming call operation of the user, and receives the incoming call (step S309).

(Embodiment 4) FIG. 6 is a block diagram showing a portable telephone device according to Embodiment 4 of the present invention.

In FIG. 6, the antenna unit 11, the radio unit 1
2. The baseband processing unit 13, voice control unit 14, speaker unit 15, ringer unit 16, microphone unit 17, level detection unit 18, and ringtone control unit 19 are the same as those in FIG. 1 and have the same functions. The mobile phone device according to the present embodiment has an optical sensor unit 20.
Is provided. The optical sensor unit 20 detects that it has moved from a dark place to a bright place, and sends a detection signal to the ring tone control unit 19.

FIG. 7 is a flowchart showing an incoming call operation of the portable telephone device according to the fourth embodiment of the present invention. The timing diagram of the microphone ON of the mobile phone device is the same as that of FIG. 4, and the incoming operation from the base station will be described with reference to FIGS. 4, 6, and 7 for the mobile phone device 10 configured as described above. .

When there is an incoming call from the base station to the portable telephone device 10 (step S401), the radio signal transmitted from the base station is received by the antenna unit 11, and the received signal is output from the antenna unit 11 to the radio unit 12. After being analyzed by the baseband processing unit 13 (step S402),
The ringing tone data is input to the voice processing unit 14 and sent from the voice processing unit 14 to the ringer unit 16 to ring the ringtone (step S403). Next, as shown in FIG. 4, the microphone unit 17 is turned ON only during the period when the ring tone is not ringing,
The surrounding sound is monitored (step S404), and the level detection unit 18 calculates the increase in the level change from the steady level with respect to the surrounding sound, and the calculated value is the sound when the user takes it out of the bag or the like. If the threshold change is exceeded (step S405), a detection signal is sent to the ringtone controller 19 to change the surrounding brightness when the user takes out from a dark place such as a bag to a bright place. Is detected by the optical sensor unit 20 (step S406), a detection signal is sent to the ringtone control unit 19, and the ringtone control unit 19 receives the ringtone based on the detection signals from the level detection unit 18 and the optical sensor unit 20. Is lowered (step S407), the call waiting operation of the user is waited, and the call is received (step S408).

When an incoming call is received, it is also possible to detect the recognition of the incoming call by the optical sensor unit 20 alone without monitoring the surrounding sounds. In this case, the circuit is simplified by omitting the level detecting unit 18. can do.

(Embodiment 5) FIG. 8 is a block diagram showing a portable telephone device according to Embodiment 5 of the present invention.

In FIG. 8, the antenna unit 11, the radio unit 1
2. The baseband processing unit 13, voice control unit 14, speaker unit 15, ringer unit 16, microphone unit 17, level detection unit 18, and ringtone control unit 19 are the same as those in FIG. 1 and have the same functions. The mobile phone device of the present embodiment has a pressure sensor unit 2
1 is provided. The pressure sensor unit 21 detects a change in pressure when the user holds the hand, and sends a detection signal to the ring tone control unit 19.

FIG. 9 is a flowchart showing an incoming call operation of the portable telephone device according to the fifth embodiment of the present invention. The timing diagram of the microphone ON of the mobile phone device is the same as that of FIG. 4, and the incoming operation from the base station will be described with reference to FIGS. 4, 8, and 9 for the mobile phone device 10 configured as described above. .

When there is an incoming call from the base station to the portable telephone device 10 (step S501), the radio signal transmitted from the base station is received by the antenna unit 11, and the received signal is output from the antenna unit 11 to the wireless unit 12. After being analyzed by the baseband processing unit 13 (step S502),
The ringing tone data is input to the voice processing unit 14 and sent from the voice processing unit 14 to the ringer unit 16, and the ringing tone sounds (step S503). Next, as shown in FIG. 4, the microphone unit 17 is turned ON only during the period when the ring tone is not ringing,
The surrounding sound is monitored (step S504), and the level detection unit 18 calculates the increase in the level change from the steady level with respect to the surrounding sound, and the calculated value is the sound when the user takes it out of the bag or the like. Is exceeded (step S505), a detection signal is sent to the ringtone control unit 19, and the pressure sensor unit 21 detects a change in pressure when the user picks up the hand (step S506). Then, a detection signal is sent to the ring tone control unit 19, and the ring tone control unit 19 lowers the ring tone based on the detection signals from the level detection unit 18 and the pressure sensor unit 21 (step S507), and stops the incoming call operation of the user. Waiting and receiving a call (step S508).

When an incoming call is received, it is also possible to detect the recognition of the incoming call by the pressure sensor unit 21 alone without monitoring the surrounding sound. In this case, the circuit is simplified by omitting the level detecting unit 18. can do.

(Embodiment 6) FIG. 10 is a block diagram showing a portable telephone device according to Embodiment 6 of the present invention.

In FIG. 10, the antenna unit 11, the radio unit 12, the baseband processing unit 13, the voice control unit 14, the speaker unit 15, the ringer unit 16, the microphone unit 17, the level detection unit 18, and the ring tone control unit 19 are illustrated. 1 and has the same function. The mobile phone device of the present embodiment includes an infrared sensor unit 22. The infrared sensor unit 22 detects a change in temperature when the user picks up the hand, and sends a detection signal to the ringtone control unit 19.

FIG. 11 is a flowchart showing the incoming call operation of the portable telephone device according to the sixth embodiment of the present invention. The microphone ON timing chart of the mobile phone device is the same as that of FIG. 4, and the incoming operation from the base station will be described with reference to FIGS. 4, 10, and 11 for the mobile phone device 10 configured as described above. .

When there is an incoming call from the base station to the portable telephone device 10 (step S601), the radio signal transmitted from the base station is received by the antenna unit 11, and the received signal is output from the antenna unit 11 to the radio unit 12. After being analyzed by the baseband processing unit 13 (step S602),
The ringing tone data is input to the voice processing unit 14 and sent from the voice processing unit 14 to the ringer unit 16 to ring the ringtone (step S603). Next, as shown in FIG. 4, the microphone unit 17 is turned ON only during the period when the ring tone is not ringing,
The surrounding sound is monitored (step S604), and the level detection unit 18 calculates the increase in the level change from the steady level with respect to the surrounding sound, and the calculated value is the sound when the user takes it out of the bag or the like. Is exceeded (step S605), a detection signal is sent to the ringtone controller 19, and the infrared sensor unit 22 detects a change in temperature when the user picks up the hand (step S606). ,
A detection signal is sent to the ringtone controller 19,
Lowers the ringtone based on the detection signals from the level detection unit 18 and the infrared sensor unit 22 (step S607), waits for a user's incoming call operation, and receives an incoming call (step S608).

When an incoming call is received, it is also possible to detect the recognition of the incoming call by the infrared sensor unit 22 alone without monitoring the surrounding sounds. In this case, the circuit is simplified by omitting the level detecting unit 18. can do.

(Embodiment 7) FIG. 12 is a block diagram showing a portable telephone device according to Embodiment 7 of the present invention.

In FIG. 12, the antenna unit 11, the radio unit 12, the baseband processing unit 13, the audio control unit 14, the speaker unit 15, the ringer unit 16, the microphone unit 17, the level detection unit 18, and the ring tone control unit 19 are illustrated. 1 and has the same function. The mobile phone device of the present embodiment includes an acceleration sensor unit 23. The acceleration sensor unit 23 detects the vibration when the user picks up the hand, and sends the detection signal to the ring tone control unit 19.

FIG. 13 is a flowchart showing an incoming call operation of the portable telephone device according to the seventh embodiment of the present invention. The microphone ON timing diagram of the mobile phone device is the same as that of FIG. 4, and for the mobile phone device configured as described above,
The incoming operation from the base station will be described with reference to FIGS.

When there is an incoming call from the base station to the portable telephone device 10 (step S701), the radio signal transmitted from the base station is received by the antenna unit 11, and the received signal is output from the antenna unit 11 to the wireless unit 12. After being analyzed by the baseband processing unit 13 (step S702),
The ringing tone data is input to the voice processing unit 14 and sent from the voice processing unit 14 to the ringer unit 16 to sound a ringtone (step S703). Next, as shown in FIG. 4, the microphone unit 17 is turned ON only during the period when the ring tone is not ringing,
The surrounding sound is monitored (step S704), and the level detection unit 18 calculates the increase in the level change from the steady level with respect to the surrounding sound, and the calculated value is the sound when the user takes it out of the bag or the like. Is exceeded (step S705), a detection signal is sent to the ringtone control unit 19, and if the acceleration sensor unit 23 detects a vibration when the user picks up the hand (step S706), the A detection signal is sent to the sound control unit 19, and the ringtone control unit 19 lowers the ringtone based on the detection signals from the level detection unit 18 and the acceleration sensor unit 23 (step S707), and waits for a user's incoming call operation. The call is received (step S708).

When an incoming call is received, it is also possible to detect the recognition of the incoming user by the acceleration sensor unit 23 alone without monitoring the surrounding sounds. In this case, the circuit is simplified by omitting the level detecting unit 18. can do.

[0046]

As described above, according to the present invention, by detecting the sound when the user takes out the mobile phone from the bag or the like, the incoming call volume at the time of the incoming call can be changed before and after the user recognizes.

Further, in addition to the sound when the user takes it out of a bag or the like, the change in the surrounding brightness when the user takes out from a dark place or a bright place such as a bag or the like, By detecting a change in pressure at the time, a change in temperature when the user holds the hand, and a vibration when the user holds the hand, the detection accuracy of the user's incoming call operation is improved.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a mobile phone device according to embodiments 1, 2, and 3 of the present invention.

FIG. 2 is a flowchart showing an incoming call operation of the mobile phone according to the first embodiment of the present invention;

FIG. 3 is a flowchart showing an incoming call operation of the mobile phone device according to the second embodiment of the present invention.

FIG. 4 is a timing chart of microphone ON of the mobile phone device according to the second, third, fourth, fifth, sixth and seventh embodiments of the present invention.

FIG. 5 is a flowchart showing an incoming call operation of the mobile phone device according to the third embodiment of the present invention.

FIG. 6 is a block diagram showing a mobile phone device according to a fourth embodiment of the present invention.

FIG. 7 is a flowchart showing an incoming call operation of the mobile phone device according to the fourth embodiment of the present invention.

FIG. 8 is a block diagram showing a mobile phone device according to a fifth embodiment of the present invention.

FIG. 9 is a flowchart showing an incoming call operation of the mobile phone device according to the fifth embodiment of the present invention.

FIG. 10 is a block diagram showing a mobile phone device according to a sixth embodiment of the present invention.

FIG. 11 is a flowchart showing an incoming call operation of the mobile phone device according to the sixth embodiment of the present invention.

FIG. 12 is a block diagram showing a mobile phone device according to a seventh embodiment of the present invention.

FIG. 13 is a flowchart showing an incoming call operation of the mobile phone device according to the seventh embodiment of the present invention.

FIG. 14 is a block diagram showing a conventional mobile phone device.

And FIG. 15 is a flowchart showing an incoming call operation of a conventional mobile phone device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Mobile telephone apparatus 11 Antenna part 12 Radio part 13 Baseband processing part 14 Voice control part 15 Speaker part 16 Ringer part 17 Microphone part 18 Level detection part 19 Ring tone control part 20 Optical sensor part 21 Pressure sensor part 22 Infrared sensor part 23 Acceleration sensor

Claims (7)

[Claims] 1. A portable telephone device using wireless communication, wherein a user monitors a surrounding sound at the time of an incoming call, and calculates a level change amount of the sound monitored by the microphone to thereby allow a user from inside a bag or the like. A mobile phone device comprising: a level detection unit that detects a sound taken out; and a ringtone control unit that lowers a ringtone volume based on an output result of the level detection unit. 2. A microphone for monitoring surrounding sounds only during a period when a ring tone is not ringing at the time of an incoming call, and when a user takes out of the bag by calculating a level change amount of the sound monitored by the microphone. 2. A level detecting section for detecting a sound of a ring tone, and a ring tone control section for lowering a ring tone volume according to an output result of the level detecting section.
A mobile phone device according to claim 1. 3. A microphone for monitoring surrounding sounds only during a period when a ring tone is not ringing at the time of an incoming call, and when a user takes out of the bag by calculating a level change amount of the sound monitored by the microphone. And a ring tone control unit for lowering the incoming call volume based on the output result of the level detecting unit and increasing the incoming call volume again when the user does not receive a call. 3. The mobile phone device according to 2. 4. A microphone for monitoring surrounding sounds only during a period when a ring tone is not ringing at the time of an incoming call, and when a user takes out of the bag or the like by calculating a level change amount of the sound monitored by the microphone. A level detection unit that detects the sound of the light, an optical sensor unit that detects that it has moved from a dark place to a bright place, and a ringtone control unit that lowers the ringtone volume based on the output results of the level detection unit and the optical sensor unit. The mobile phone device according to claim 2, wherein the mobile phone device is provided. 5. A microphone for monitoring surrounding sounds only during a period in which a ring tone is not ringing at the time of an incoming call, and when a user takes out of a bag or the like by calculating a level change amount of the sound monitored by said microphone. A level detection unit that detects the sound of, a pressure sensor unit that detects a change in pressure when the user picks up, a ringtone control unit that lowers the ringtone volume based on the output results of the level detection unit and the pressure sensor unit. The mobile phone device according to claim 2, further comprising: 6. A microphone for monitoring surrounding sounds only during a period in which a ring tone is not ringing at the time of an incoming call, and when a user takes out of the bag by calculating a level change amount of the sound monitored by said microphone. A level detection unit that detects the sound of, an infrared sensor unit that detects a change in temperature when the user picks up, a ringtone control unit that lowers the ringtone volume based on the output results of the level detection unit and the infrared sensor unit. The mobile phone device according to claim 2, further comprising: 7. A microphone for monitoring surrounding sounds only during a period when a ring tone is not ringing at the time of an incoming call, and when a user takes out of the bag by calculating a level change amount of the sound monitored by said microphone. A level detection unit that detects the sound of the user, an acceleration sensor unit that detects vibration when the user picks up the hand, and a ringtone control unit that lowers the ringtone volume based on the output results of the level detection unit and the acceleration sensor unit. 3. The mobile phone device according to claim 2, wherein: