JP5663735B2 - Mobile phone, mobile phone system, and transmission / reception unit - Google Patents

Description

  The present invention relates to a mobile phone, a mobile phone system, and a transmission / reception unit.

Conventionally, various mobile phones have been proposed for various purposes. For example, in order to provide a mobile phone that can be heard clearly even under high noise, a bone-conduction speaker is employed, and a mobile phone including an external ear canal closing means has been proposed. (Patent Document 1) On the other hand, as a method of using a bone conduction speaker, the vibration surface abutted against the tragus is manually adjusted to adjust the pressure with which the abutment comes into contact with the tragus so that the cartilage guide is adapted to the magnitude of the external noise. It has also been proposed to change the transmission ratio between voice information via the air and voice information via the air guide. (Patent Document 2) Further, it has been proposed to use a piezoelectric element as a vibration source for bone conduction.

JP 2003-348208 A Japanese Patent No. 4541111

  However, there are many issues to be further examined regarding the functions of mobile phones.

  In view of the above, an object of the present invention is to provide a mobile phone, a mobile phone system, and a transmission / reception unit having functions that are easy to use.

  In order to achieve the above object, the present invention provides a mobile phone having a display surface, a side surface with respect to the display surface, and a cartilage conduction vibration portion provided on the side surface and capable of contacting the ear cartilage. As a result, when the cartilage conduction vibration unit is brought into contact with the ear cartilage, it is possible to prevent the display surface from coming into contact with the ears or cheeks and becoming dirty.

  According to a specific feature of the present invention, the cartilage conduction vibration portion is provided on each side surface of the display surface. Thus, the cartilage conduction vibration unit can be brought into contact with the right ear or the left ear without changing the mobile phone from the state of observing the display surface. According to a more specific feature, there is provided a receiving unit that is used in common when any of the cartilage conduction vibration units is used.

  According to another specific feature of the present invention, the earpiece is provided near the side surface on which the cartilage conduction vibration portion is provided. In this case, the cartilage conduction vibration part can be brought into contact with the right ear or the left ear by turning the mobile phone upside down by merely providing the cartilage conduction vibration part on one side surface. According to a more specific feature, the cartilage conduction vibration unit and the reception unit constitute a transmission / reception unit and are detachable from a mobile phone. Such attachment / detachment of the transmission / reception unit enables more flexible use. According to a more specific feature, the recording / receiving unit is configured to be capable of short-range wireless communication with a mobile phone or wired communication.

  According to another specific feature of the present invention, the holding auxiliary portion is provided on the side surface opposite to the side surface on which the cartilage conduction vibration portion is provided. This facilitates the holding of the mobile phone when the cartilage conduction vibration unit is brought into contact with the ear cartilage, and the display surface can be prevented from being stained with a fingerprint or the like by holding during a call. According to a more specific feature, in order not to impair the compactness of the mobile phone when not required, the holding auxiliary portion is configured to be extendable and contractable from the side surface.

  According to another aspect of the present invention, a display surface, a cartilage conduction vibration unit that can contact the ear cartilage, a detection unit that detects that the cartilage conduction vibration unit is in contact with the ear cartilage, and a detection unit A mobile phone having a display control unit that changes the display on the display unit to a privacy protection display based on the detection is provided.

According to the above-described feature of the present invention, it is possible to prevent others from looking into privacy-related displays such as a call destination during a call. This configuration is suitable when the display surface is not hidden by the posture of the mobile phone when the cartilage conduction vibration unit is brought into contact with the ear cartilage. An example of the privacy protection display is a predetermined display that does not include privacy information or a non-display state. According to a more specific feature, the display unit is turned on during the privacy protection display, and when the detection by the detection unit continues for a predetermined time or longer, the display unit is turned off for power saving.

  According to another aspect of the present invention, a mobile phone having a mobile phone body, and a transmitter / receiver unit having a cartilage conduction vibration part and a receiver part that can be attached to and detached from the mobile phone body and can contact the ear cartilage. A system is provided.

According to the above feature of the present invention, it is possible to enable cartilage conduction in a state where the transmission / reception unit is combined with the mobile phone body and cartilage conduction in a state where the transmission / reception unit is separated, and to be used flexibly according to the situation Can provide a system capable of According to a specific feature, the transmission / reception unit is configured to be capable of short-range wireless communication with the mobile phone body or wired communication with the mobile phone body.

  According to another aspect of the present invention, there is provided a transmission / reception unit for a mobile phone having a cartilage conduction vibration unit capable of contacting the ear cartilage, a reception unit, and a communication unit with the mobile phone. Such a transmission / reception unit is suitable not only for configuring a mobile phone system in combination with a specific mobile phone, but also for a general mobile phone transmission / reception accessory having a communication unit. . According to a specific feature, the transmission / reception unit is configured in a pencil shape in which the cartilage conduction vibration unit and the reception unit are arranged near both ends. According to another specific feature, the communication unit is configured as a short-range wireless communication unit. According to still another specific feature, the communication unit is configured to include a cable for performing wired communication with the mobile phone.

  According to another specific feature of the present invention, the communication unit transmits information related to a contact state between the cartilage conduction vibration unit and the ear cartilage to the mobile phone. As a result, information specific to the use of the cartilage conduction vibration unit can be transmitted to the mobile phone, and good cooperation with the mobile phone can be performed.

  As described above, according to the present invention, a useful mobile phone using cartilage conduction can be provided.

It is a perspective view which shows Example 1 of the mobile phone which concerns on embodiment of this invention. Example 1 It is a side view of Example 1 which shows the function of a right ear use state and a left ear use state. 1 is a block diagram of Example 1. FIG. It is a flowchart of operation | movement of the control part in Example 1 of FIG. It is a perspective view which shows Example 2 of the mobile telephone which concerns on embodiment of this invention. (Example 2) It is a perspective view which shows Example 3 of the mobile telephone which concerns on embodiment of this invention. (Example 3) It is a perspective view which shows Example 4 of the mobile telephone which concerns on embodiment of this invention. Example 4 FIG. 10 is a block diagram of Example 4. It is a principal part conceptual block diagram which shows the structure relevant to the ear plug bone conduction effect of Example 4. FIG. It is a flowchart of operation | movement of the control part in Example 4 of FIG. It is a perspective view which shows Example 5 of the mobile telephone which concerns on embodiment of this invention. (Example 5) It is a flowchart of operation | movement of the control part in Example 5 of FIG. It is a perspective view which shows Example 6 of the mobile telephone which concerns on embodiment of this invention, (A) is a front perspective view, (B) is a back perspective view, (C) is B- of back perspective view (B). It is sectional drawing in a B cut surface. (Example 6) It is a flowchart of operation | movement of the control part in Example 6 of FIG. It is a perspective view which shows Example 7 of the mobile phone based on embodiment of this invention, (A) is a front perspective view, (B) is a back perspective view, (C) is B- of back perspective view (B). It is principal part sectional drawing in a B cut surface. (Example 7) It is a flowchart of operation | movement of the control part in Example 7 of FIG. It is a perspective view which shows Example 8 of the mobile phone which concerns on embodiment of this invention, (A) is a front perspective view, (B) is a back perspective view, (C) is B- of back perspective view (B). It is sectional drawing in a B cut surface. (Example 8) It is a perspective view which shows Example 9 of the mobile phone based on embodiment of this invention, (A) is a front perspective view, (B) is a back perspective view, (C) is B- of back perspective view (B). It is sectional drawing in a B cut surface. Example 9 It is a perspective view which shows Example 10 of the mobile telephone which concerns on embodiment of this invention. (Example 10) It is a perspective view which shows Example 11 of the mobile telephone which concerns on embodiment of this invention. (Example 11) It is a side view of Example 11 which shows the function of a right ear use state and a left ear use state. It is a perspective view which shows Example 12 of the mobile telephone which concerns on embodiment of this invention. (Example 12) It is a flowchart of operation | movement of the control part in Example 12 of FIG. It is a perspective view which shows Example 13 of the mobile telephone which concerns on embodiment of this invention. (Example 13) It is a perspective view which shows Example 14 of the mobile telephone which concerns on embodiment of this invention. (Example 14)

  FIG. 1 is a perspective view showing Example 1 of the mobile phone according to the embodiment of the present invention. In FIG. 1, a cellular phone 1 includes an upper part 7 having a display unit 5 and the like, and a lower part 11 having an operation unit 9 such as a numeric keypad and a transmission unit 23 such as a microphone that plays a sound generated from the operator's mouth. The upper part 7 is configured to be foldable on the lower part 11 by the hinge part 3. The upper part 7 is provided with an earpiece 13 such as an earphone for transmitting voice to the operator's ear, and constitutes a telephone function together with the transmitter 11 of the lower part 11. In addition, an upper camera 7 can be used to capture the face of the operator who is looking at the display unit 5 when the mobile phone 1 is used as a videophone. Has been. Further, the upper portion 7 has a pair of infrared light emitting units 19 and 20 constituting a proximity sensor for detecting that the mobile phone 1 is in contact with the ear for a call and infrared reflected light from the ear. Is provided with a common infrared proximity sensor 21 for receiving light. Although not shown in FIG. 1, a rear camera is provided on the rear surface of the upper portion 7, and a subject that is on the rear surface side of the mobile phone 1 and is monitored by the display unit 5 can be photographed.

  The upper portion 7 is further provided with a right ear vibrating portion 24 and a left ear vibrating portion 26 made of a piezoelectric bimorph element or the like for contacting the tragus at the upper corner on the inner side (the side that contacts the ear). The right-ear vibration part 24 and the left-ear vibration part 26 are configured to protrude from the outer wall of the mobile phone so as not to harm the design. Contact. Accordingly, it is possible to receive the voice by the bone conduction from the tragus cartilage together with the voice reception from the receiver 13. In addition, as disclosed in the above-mentioned Patent Document 2, the tragus is the most audible sensation in the structure of the ear cartilage such as the otic mastoid process, the outer cartilage surface of the outer ear mouth, the tragus and the raised part, and is pressed. It is known that the rise of the bass when the pressure is increased is greater than other positions. Since this knowledge is described in detail in Patent Document 2, it can be referred to.

  When this is applied to the right ear, the mobile phone 1 is slightly rotated clockwise in FIG. Then, by providing the right-ear vibration unit 24 at the lower inclined corner of the upper end of the mobile phone ear side, the right-ear vibration unit 24 can be naturally connected to the right ear without projecting the vibration unit from the outer wall of the mobile phone. Can be brought into contact with the beads. This state is a posture close to a normal call state, and there is no sense of incongruity for the caller himself / herself. Note that since the receiver 13 is in the vicinity of the right-ear vibration unit 24, both the audio information via the tragus cartilage and the audio information via the external auditory canal are transmitted to the ear. At this time, since the same audio information is transmitted through different pronunciation pairs and routes, phase adjustment between the two is performed so that they do not cancel each other.

  On the other hand, when the mobile phone 1 is put on the left ear, the mobile phone 1 is slightly rotated counterclockwise in FIG. Then, in the same manner as in the case of the right ear, the left-ear vibration unit 26 is provided at the inclined lower side corner at the upper end of the mobile phone ear side, and the left-ear vibration unit 26 is naturally connected to the left ear tragus. Can be contacted. Since this state is a posture close to a normal call state, and the receiving unit 13 is in the vicinity of the left ear vibrating unit 26, both voice information via the tragus cartilage and voice information via the ear canal are transmitted to the ear. The phase adjustment between the two is the same as in the case of the right ear.

  In addition, since the pair of infrared light emitting units 19 and 20 in the proximity sensor emit light alternately in a time-division manner, the common infrared light proximity sensor 21 receives reflected light by infrared light from any light emitting unit. Whether the light is received or not can be identified, so that it can be determined which of the right-ear vibration unit 24 and the left-ear vibration unit 26 hits the tragus. As a result, it is possible to determine which ear the mobile phone is being used, and it is possible to vibrate the vibration part on which the tragus is in contact and turn off the other. However, since there are variations in how the mobile phone 1 is applied to the ear and individual differences in the shape of the ear, the acceleration sensor is incorporated in the first embodiment as will be described later, and the gravitational acceleration detected by this acceleration sensor. Thus, the mobile phone 1 is detected to be tilted to vibrate, and the vibration portion on the lower corner of the tilt is vibrated and the other is turned off. The use of the right ear and the use of the left ear described above will be described again with reference to the drawings corresponding to each specification state.

  Further, the upper part 7 is arranged on the outer side (the back side that does not hit the ear) so as to pick up environmental noise, and is provided with a means for preventing vibration conduction of the right-ear vibration part 24 and the left-ear vibration part 26. A microphone 38 is provided. The environmental noise microphone 38 further picks up sound produced from the operator's mouth. The environmental noise picked up by the environmental noise microphone 38 and the operator's own voice are phase-inverted and then mixed by the right-ear vibration unit 24 and the left-ear vibration unit 26, and are included in the audio information via the reception unit 13. Cancels noise and the operator's own voice to make it easier to hear the voice information of the other party. Details of this function will be described later.

  FIG. 2 is a side view of the mobile phone 1 showing the functions of the right-ear vibration unit 24 and the left-ear vibration unit 26. FIG. 2A shows the mobile phone 1 in the right hand and the right ear 28 applied thereto. It shows the state. On the other hand, FIG. 2B shows a state in which the mobile phone 1 is held in the left hand and is placed on the left ear 30. 2A is a view seen from the right side of the face, and FIG. 2B is a view seen from the left side of the face, so the mobile phone 1 is on the back side (the back side in FIG. 1). Is visible. In addition, in order to illustrate the relationship between the mobile phone 1 and the right ear 28 and the left ear 30, the mobile phone 1 is indicated by a one-dot chain line.

  As shown in FIG. 2A, when the mobile phone 1 is put on the right ear, the mobile phone 1 is slightly tilted counterclockwise in FIG. . And since the vibration part 24 for ear | edges is provided in the inclination lower side corner of such a mobile telephone ear side upper end, this can be made to contact the tragus 32 of a right ear naturally. As already described, this state is a posture close to a normal call state, and there is no sense of incongruity for the caller himself / herself. On the other hand, as shown in FIG. 2 (B), when the cellular phone 1 is put on the left ear, the mobile phone 1 is slightly inclined clockwise in FIG. Become. Since the ear vibration unit 26 is provided at the lower inclined corner at the upper end of the mobile phone ear side, it can be naturally brought into contact with the tragus 34 of the left ear. Even in this state, as in the case of the right ear, the posture is close to that of a normal call state, and there is no sense of incongruity between the caller and the side.

  FIG. 3 is a block diagram of the first embodiment. The same parts as those in FIG. The mobile phone 1 is controlled by a control unit 39 that operates according to a program stored in the storage unit 37. The storage unit 37 can also temporarily store data necessary for the control of the control unit 39 and also store various measurement data and images. Display on the display unit 5 is performed based on display data held by the display driver 41 under the control of the control unit 39. The display unit 5 has a display backlight 43, and the control 39 adjusts the brightness based on the ambient brightness.

  The telephone function unit 45 including the reception unit 13 and the transmission unit 23 can be connected to a wireless telephone line by a telephone communication unit 47 under the control of the control unit 39. The speaker 51 performs ringtones and various guidance under the control of the control unit 39 and outputs the other party's voice during a videophone call. The sound output of the speaker 51 is not output from the right-ear cartilage transmission vibration unit 24 and the left-ear cartilage transmission vibration unit 26. This is because there is no possibility that the cartilage conduction vibration part is applied to the ear during a videophone call. Further, the image processing unit 53 processes images captured by the videophone inner camera 17 and the rear main camera 55 under the control of the control unit 39, and inputs images of these processing results to the storage unit 37.

  As described above, the pair of infrared light emitting units 19 and 20 in the proximity sensor emit light alternately in a time-sharing manner based on the control of the control unit 39. Therefore, the reflected infrared light input to the control unit 39 by the common infrared light proximity sensor 21 can be reflected by the infrared light from any light emitting unit. When the reflected light is detected from both of the infrared light emitting units 19 and 20, the control unit 39 compares these with each other, and either the right ear vibrating unit 24 or the left ear vibrating unit 26 hits the tragus. Judge whether. Furthermore, the acceleration sensor 49 detects the direction of the detected gravitational acceleration. Based on this detection signal, the control unit 39 determines whether the mobile phone 1 is tilted in FIG. 2 (A) or FIG. 2 (B), and as described with reference to FIG. One vibration part is vibrated and the other is turned off.

  The cellular phone 1 further includes a phase adjustment mixer unit 36 that adjusts the phase of the audio information from the control unit 39 and transmits the audio information to the right ear vibration unit 24 and the left ear vibration unit 26. More specifically, the phase adjusting unit 36 is generated from the receiving unit 13 and transmitted from the external ear canal via the eardrum and the right ear vibrating unit 24 or the left ear vibrating unit 26 via the tragus cartilage. The sound information from the control unit 39 is phase-adjusted with reference to the sound information transmitted from the control unit 39 to the receiving unit 13 so that the same sound information transmitted through 24 and the left ear vibration unit 26. This phase adjustment is a relative adjustment between the receiving unit 13 and the right-ear vibration unit 24 and the left-ear vibration unit 26, so that the control unit 39 changes the right-ear vibration unit 24 and the left-ear vibration unit 26. You may comprise so that the phase of the audio | voice information transmitted to the receiving part 13 from the control part 39 may be adjusted on the basis of the audio | voice information transmitted. In this case, the audio information to the speaker 51 is also adjusted in the same phase as the audio information to the receiver 13.

  The phase adjustment mixer unit 36 prevents the audio information from the receiving unit 13 and the same audio information from the right ear vibration unit 24 or the left ear vibration unit 26 from canceling each other. In addition to the above function, the second function is provided in cooperation with the environmental noise microphone 38. In this second function, the environmental noise picked up by the environmental noise microphone 38 and the voice of the operator itself are phase-inverted by the phase adjustment mixer unit 36, and then the audio information of the right ear vibrating unit 24 or the left ear vibrating unit 26 is obtained. This cancels the environmental noise and the operator's own voice included in the voice information via the receiver 13, thereby making it easier to hear the voice information of the other party. At this time, the environmental noise and the operator's own voice are effective regardless of the transmission route of the voice information from the receiver 13 and the voice information from the right-ear vibration unit 24 or the left-ear vibration unit 26. In order to cancel, the mixing is performed in consideration of the phase adjustment based on the first function.

  FIG. 4 is a flowchart of the operation of the control unit 39 in the first embodiment of FIG. Note that the flow of FIG. 4 mainly illustrates the functions of the right-ear vibration unit 24 and the left-ear vibration unit 26, so that the operations are extracted with a focus on related functions. There are also operations of the control unit 39 that are not shown in the flow of FIG. The flow of FIG. 4 starts when the main power supply is turned on by the operation unit 9 of the mobile phone 1, and at step S <b> 2, initial startup and function check of each unit are performed and screen display on the display unit 5 is started. Next, in step S4, the functions of the right-ear vibration unit 24 and the left-ear vibration unit 26 are turned off, and the process proceeds to step S6. In step S, it is checked whether or not there is an operation that does not use radio waves such as a mail operation, Internet operation, other settings, and a downloaded game (hereinafter collectively referred to as “non-call operation”). If there are these operations, the process proceeds to step S8 to execute non-call processing, and the process proceeds to step S10. Note that the non-call operation does not assume a function that applies the functions of the receiver 13, the right ear vibrating unit 24, and the left ear vibrating unit 26 in the upper portion 7 of the mobile phone 1 to the ear. On the other hand, when a non-call operation is not detected in step S6, the process directly proceeds to step S10.

  In step S10, it is checked whether or not a call using mobile radio waves is being received. If the call is not being received, the process proceeds to step S12, and it is checked whether or not the response from the other party to the call from the mobile phone 1 is correct. If a response is detected, the process proceeds to step S14. On the other hand, when it is detected in step S10 that a call using a mobile radio wave is being received, the process proceeds to step S16, in which the mobile phone is opened, that is, the upper portion 7 is folded over the lower portion 11. To check whether it is open as shown in FIG. If it is not detected that the mobile phone is open, the process returns to step S10, and thereafter, steps S10 and S16 are repeated to wait for the mobile phone to be opened. If the incoming call is terminated without repeating the cellular phone, the flow moves from step S10 to step S12. On the other hand, if it is detected in step S16 that the mobile phone is open, the process proceeds to step S14. In step S14, the transmitter 23 and receiver 13 are turned on, and the process proceeds to step S18. In step S18, it is checked whether or not the call is a videophone. If it is not a videophone, the process proceeds to step S20, and whether or not the call is disconnected at this point is confirmed.

  In step S22, it is checked whether or not the infrared light proximity sensor 21 detects the contact of the ear. If the contact is detected, the process proceeds to step S24. On the other hand, when the infrared light proximity sensor 21 does not detect the contact of the ear in step S22, the process returns to step S14, and thereafter, steps S14 and S18 to 22 are repeated to wait for the detection of the proximity sensor in step S22. In step S24, based on the detection signal of the acceleration sensor 49, it is checked whether or not there is a right-ear talking state tilt as shown in FIG. If applicable, the process proceeds to step S26, the right ear cartilage conduction vibration unit 24 is turned on, and the process proceeds to step S28. On the other hand, if it is not detected in step S24 that the right-ear call state tilt has occurred, the detection signal of the acceleration sensor 49 has detected the left-ear call state tilt as shown in FIG. In step S30, the left ear cartilage conduction vibration unit 26 is turned on, and the process proceeds to step S28.

  In the description of the flow of FIG. 4, the process proceeds to step S24 regardless of whether the infrared reflected light detected by the infrared light proximity sensor 21 is generated by the infrared light emitting unit 19 or 20 and in step S24, the acceleration sensor is detected. It has been described that it is detected whether or not the right-ear communication state inclination is based on the 49 signal. However, since the infrared light proximity sensor 21 can also detect whether or not the right-ear call state is inclined, the infrared light at the light emission timing of the infrared light emitting unit 19 is replaced with the signal of the acceleration sensor 49 in step S24. If the output of the proximity sensor 21 is larger than that at the light emission timing of the infrared light emitting unit 20, it may be determined that the right-ear call state is inclined. In step S24, it is determined whether or not the right ear communication state inclination is obtained by combining the signal from the acceleration sensor and the output comparison result of the infrared light proximity sensor 21 at the light emission timing of the infrared light emitting units 19 and 20. You may comprise so that it may carry out.

  In step S28, it is checked whether or not the call state is cut off. If the call is not cut off, the process returns to step S24, and step S24 to step S30 are repeated until a call cut is detected in step S28. This corresponds to the change of the mobile phone between the right-ear call state and the left-ear call state during a call. On the other hand, when a call disconnection is detected in step S28, the process proceeds to step S32, and the right-ear cartilage conduction vibration unit 24 or the left-ear cartilage conduction vibration unit 26, the reception unit 13 and the transmission unit 23 are turned off. Then, the process proceeds to step S34. On the other hand, if no call origination response is detected in step S12, the process immediately proceeds to step S34. If it is detected in step S18 that the videophone is used, the process proceeds to videophone processing in step S36. In the videophone processing, the video camera inner camera 17 captures the face of the user, the speaker 51 outputs the voice of the other party, the sensitivity of the transmitter 23 is switched, the display unit 5 displays the other party's face. When such a videophone process is completed, the process proceeds to step S38, the speaker 51, the receiving unit 13 and the transmitting unit 23 are turned off, and the process proceeds to step S34. When the call disconnection is detected in step S20, the process proceeds to step S38. At this time, since the speaker 51 is not originally turned on, the reception unit 13 and the transmission unit 23 are turned off, and the process proceeds to step S34.

  In step S34, it is checked whether or not the main power is turned off. If there is an off operation, the flow ends. On the other hand, when the main power-off operation is not detected in step S34, the flow returns to step S6, and thereafter steps S6 to S38 are repeated. As described above, the right ear cartilage conduction vibration unit 24 or the left ear cartilage conduction vibration unit 26 can be used even when the mobile phone 1 is not open, when the mobile phone 1 is not in a call state, or in a call state. It is not turned on when it is a videophone call and when the mobile phone 1 is not placed on the ear even in a normal call state. However, once the right ear cartilage conduction vibration unit 24 or the left ear cartilage conduction vibration unit 26 is turned on, the on / off switching between the right ear cartilage conduction vibration unit 24 or the left ear cartilage conduction vibration unit 26 is performed. This will not be turned off unless a call disconnect is detected.

  FIG. 5 is a perspective view showing Example 2 of the mobile phone according to the embodiment of the present invention. Since there are many common points in the structure of the second embodiment, the corresponding parts are denoted by the same reference numerals as those of the first embodiment and description thereof is omitted. The mobile phone 101 according to the second embodiment is an integrated type that does not have a movable part, and is not divided into an upper part and a lower part. Therefore, the “upper part” in this case does not mean the separated upper part, but means the upper part of the integrated structure.

  In the first embodiment, when the mobile phone 1 is folded, the right ear cartilage conduction vibration portion 24 and the left ear cartilage conduction vibration portion 26 are sandwiched between the upper portion 7 and the lower portion 11 and stored. On the other hand, in the second embodiment, the right ear cartilage conduction vibration unit 24 and the left ear cartilage conduction vibration unit 26 are always exposed on the outer wall of the mobile phone 101. Also in the second embodiment, the internal structure of FIG. 3 and the flowchart of FIG. 4 can be basically used. However, in relation to the difference in the structure described above, step S16 in the flowchart of FIG. 4 is omitted, and if it is confirmed in step S10 that a call is being received, the process proceeds directly to step S14.

  FIG. 6 is a perspective view showing Example 3 of the mobile phone according to the embodiment of the present invention. Since there are many common points in the structure of the third embodiment, the corresponding parts are denoted by the same reference numerals as those of the first embodiment and the description thereof is omitted. The mobile phone 201 according to the third embodiment has a structure in which an upper part 107 can slide relative to a lower part 111. In the structure of the third embodiment, when the upper portion 107 is overlapped with the lower portion 111, there is no vertical relationship, but the “upper portion” in the third embodiment means a portion that comes up when the mobile phone 201 is extended. To do.

  In the third embodiment, as shown in FIG. 6, the full function can be used with the upper portion 107 extended and the operation portion 9 exposed, and the upper portion 107 is overlapped with the lower portion 111 so that the operation portion 9 is hidden. But you can use basic functions such as incoming calls and calls. Also in the third embodiment, the right ear cartilage conduction vibration unit 24 and the left ear cartilage conduction vibration unit 26 are both in the state in which the cellular phone 201 is extended as shown in FIG. The shape is always exposed on the outer wall of the mobile phone 201. Also in the third embodiment, the internal structure of FIG. 3 and the flowchart of FIG. 4 can basically be used. However, as described above, in the third embodiment, it is possible to make a call even when the upper portion 107 is overlapped with the lower portion 111. Therefore, similarly to the second embodiment, step S16 in the flowchart of FIG. 4 is omitted, and the call is made in step S10. When it is confirmed that the incoming call is being received, the process directly proceeds to step S14.

  The implementation of the various features of the present invention is not limited to the above-described examples, but can be implemented in other embodiments. For example, in the above embodiment, the right-ear cartilage conduction vibration unit 24 and the left-ear cartilage conduction vibration unit 26 are provided in order to cope with both the right ear use and the left ear use due to change of hand and change of user. However, in the case of cartilage conduction, if it is assumed that only the right ear or only the left ear is used, one cartilage conduction vibration unit may be provided.

  The right-ear cartilage conduction vibration unit 24 and the left-ear cartilage conduction vibration unit 26 are originally provided on the premise that they come into contact with the tragus of the right ear and the left ear, respectively, but are disclosed in Patent Document 2. As described above, since cartilage conduction is possible even in an otic cartilage configuration other than the tragus, such as the otic mastoid process and the posterior cartilage surface of the outer ear mouth, both the cartilage conduction vibration part 24 for the right ear and the cartilage conduction vibration part 26 for the left ear are both. For example, when using the right ear, an appropriate portion of the right ear cartilage may be pressed at the same time. In this sense, the two cartilage conduction vibration units 24 and 26 are not necessarily limited to the right ear and the left ear. In this case, instead of turning on only one of the two cartilage conduction vibration parts 24 and 26 as in the embodiment, both are turned on simultaneously.

  Furthermore, in the above embodiment, the earpiece 13 and the right ear cartilage conduction vibration unit 24 or the left ear cartilage conduction vibration unit 26 are turned on simultaneously. When the cartilage conduction vibration unit 26 is turned on, the receiver 13 may be turned off. In this case, it is not necessary to adjust the phase of audio information.

  FIG. 7 is a perspective view showing Example 4 of the mobile phone according to the embodiment of the present invention. Since there are many common points in the structure of the fourth embodiment, the corresponding parts are denoted by the same reference numerals as those of the first embodiment, and the description thereof is omitted. The mobile phone 301 according to the fourth embodiment is not a folding method separated into an upper part and a lower part as in the second example, but is an integrated type having no movable part. Moreover, it is comprised as what is called a smart phone which has the big screen 205 provided with the GUI (graphical user interface) function. Also in the fourth embodiment, the “upper part” does not mean the separated upper part, but means the upper part of the integrated structure. In the fourth embodiment, an operation unit 209 such as a numeric keypad is displayed on the large screen 205, and a GUI operation is performed in response to a finger touch or slide on the large screen 205.

The cartilage conduction vibration function in the fourth embodiment is performed by a cartilage conduction vibration unit including a cartilage conduction vibration source 225 including a piezoelectric bimorph element and the vibration conductor 227. The cartilage conduction vibration source 225 is disposed in contact with the lower portion of the vibration conductor 227 and transmits the vibration to the vibration conductor 227. The cartilage conduction vibration source 225 is configured to protrude from the outer wall of the mobile phone (front side in FIG. 7) in the same manner as in the first to third embodiments so as not to harm the design, but the vibration of the cartilage conduction vibration source 225 is caused by the vibration conductor 227. Is transmitted to the side, causing both ends 224 and 226 to vibrate. Since both ends 224 and 226 of the vibration conductor 227 are located at the inner corners of the upper portion 7 of the mobile phone 301 that comes into contact with the tragus, the ears can be effectively prevented from protruding from the outer wall of the mobile phone in the same manner as in the first to third embodiments. Contact the bead. As described above, the right end portion 224 and the left end portion 226 of the vibration conductor 227 constitute the right ear vibrating portion 24 and the left ear vibrating portion 26 in the first embodiment, respectively.
Since the vibration conductor 227 vibrates not only at the right end 224 and the left end 226 but as a whole, in the fourth embodiment, any part of the inner upper end side of the mobile phone 301 is brought into contact with the ear cartilage. Audio information can be transmitted. In such a structure of the cartilage conduction vibration unit, the vibration conductor 227 can guide the vibration of the cartilage conduction vibration source 225 to a desired position, and the cartilage conduction vibration source 225 itself does not need to be disposed on the outer wall of the mobile phone 301. This is useful for mounting a cartilage conduction vibration unit on a mobile phone having a high degree of freedom in layout and having no space.

  In the fourth embodiment, two functions are further added. However, these functions are not specific to the fourth embodiment, and can be applied to the first to third embodiments. One of the additional functions is to prevent malfunction of the cartilage transmission vibration unit. In any of the first to fourth embodiments, the infrared light emitting units 19 and 20 and the infrared light proximity sensor 21 detect that the mobile phone has been applied to the ear. Since the proximity sensor is detected when placed on a desk or the like with the inside facing down, there is a possibility that the mobile phone is mistakenly recognized as being placed on the ear and the process proceeds from S22 in the flow of FIG. 4 to step S24. And since it does not correspond to the right-ear call state inclination detected in step S24, the flow proceeds to step S30, and the left-ear cartilage conduction vibration unit may be erroneously turned on. Since the vibration energy of the cartilage conduction vibration part is relatively large, if such a malfunction occurs, vibration noise may occur between the desk and the desk. In the fourth embodiment, in order to prevent this, the horizontal stationary state is detected by the acceleration sensor 49, and if applicable, the vibration of the cartilage conduction vibration source 225 is prohibited. Details of this point will be described later.

  Next, a second additional function in the fourth embodiment will be described. In each embodiment of the present invention, the right ear vibrating portion 24 or the left ear vibrating portion 26 (in the fourth embodiment, the right end portion 224 or the left end portion 226 of the vibration conductor 227) is used as the tragus of the right ear or the left ear. The voice information is transmitted by contact, but by increasing the contact pressure and closing the ear hole with the tragus, the ear plug bone conduction effect is produced, and the voice information can be transmitted with a louder sound. Furthermore, since the environmental noise is blocked by closing the ear hole with the tragus, the use in such a state realizes a reception situation that can be obtained at once, reducing unnecessary environmental noise and increasing necessary voice information, for example, station It is suitable for a telephone call under noise. When the earplug bone conduction effect is occurring, the user's own voice due to bone conduction from the vocal cords becomes louder and the sense of incongruity between the left and right auditory senses is lost. In Example 4, in order to alleviate the uncomfortable feeling of one's own voice during the generation of the ear plug bone conduction effect, the phase of the information of one's own voice picked up from the transmitter 23 is inverted and transmitted to the vibration conductor 228. Configured to cancel your voice. Details of this point will also be described later.

  FIG. 8 is a block diagram of the fourth embodiment, and the same components as those in FIG. In addition, since there are many parts in common with the first to third embodiments, the same numbers are assigned to the corresponding parts. The description of the same or common parts is omitted unless particularly necessary. In the fourth embodiment, the telephone function unit 45 is illustrated in some detail, but the configuration is the same as in the first to third embodiments. More specifically, the reception processing unit 212 and the microphone 213 in FIG. 8 correspond to the reception unit 13 in FIG. 3, and the transmission processing unit 222 and the microphone 223 in FIG. 8 correspond to the transmission unit in FIG. 23. On the other hand, the cartilage conduction vibration source 225 and the vibration conductor 227 of FIG. 7 are collectively shown as a cartilage conduction vibration unit 228 in FIG. The transmission processing unit 222 transmits a part of the operator's voice picked up from the microphone 223 to the reception processing unit 212 as a side tone, and the reception processing unit 212 receives the caller's voice from the telephone communication unit 47 in the operator's own voice. By superimposing these side tones and outputting them to the earphone 213, the balance between the bone conduction and the air conduction in the state where the mobile phone 301 is placed on the ear is brought close to a natural state.

  The transmission processing unit 222 further outputs a part of the operator's voice picked up from the microphone 223 to the sound quality adjustment unit 238. The sound quality adjustment unit 238 outputs the sound quality of the voice to be transmitted to the cochlea from the cartilage conduction vibration unit 228 to a sound quality that approximates the operator's own voice transmitted from the vocal cords to the cochlea by internal conduction when the earplug bone conduction effect occurs. Adjust and make both cancellations effective. Then, the phase inversion unit 240 inverts the phase of the voice of which the sound quality has been adjusted in this way and outputs the result to the phase adjustment mixer unit 236. When the pressure detected by the pressure sensor 242 is predetermined and corresponds to a state in which the ear hole is closed with a tragus by the mobile phone 301, the phase adjustment mixer unit 236 receives a command from the phase inversion unit 240 according to an instruction from the control unit 239. Are mixed to drive the cartilage conduction vibration unit 228. As a result, excessive one's own voice during the occurrence of the ear plug bone conduction effect is canceled, and the uncomfortable feeling is alleviated. At this time, the degree of cancellation is adjusted so that the voice corresponding to the side tone is left without being canceled. On the other hand, when the pressure detected by the pressure sensor is low, this corresponds to a state in which the ear hole is not blocked by the tragus and the effect of the ear plug bone conduction is not generated, so the phase adjustment mixer unit is instructed by the control unit 239. Based on this, the voice phase inversion output from the phase inversion unit 240 is not mixed. In FIG. 8, the positions of the sound quality adjusting unit 238 and the phase inverting unit 240 may be reversed. Furthermore, the sound quality adjustment unit 238 and the phase inversion unit 240 may be integrated as functions within the phase adjustment mixer unit 236.

  FIG. 9 is a main part conceptual block diagram showing a state in which the mobile phone 301 is applied to the right tragus in Example 4, and explains the cancellation of one's own voice during the generation of the ear plug bone conduction effect. is there. FIG. 9 also shows an embodiment of the pressure sensor 242, which is configured on the assumption that the cartilage conduction vibration unit 225 is a piezoelectric bimorph element. In addition, the same number is attached | subjected about FIG. 7 and FIG. 8 about the same part, and description is abbreviate | omitted unless there is particular need.

  FIG. 9A shows a state in which the mobile phone 301 is applied to the tragus 32 to such an extent that the tragus 32 does not block the ear hole 232. In this state, the phase adjustment mixer unit 236 drives the cartilage conduction vibration unit 225 based on the voice information of the communication partner from the reception processing unit 212. The pressure sensor 242 monitors a signal appearing on a signal line connecting the phase adjustment mixer section 236 and the cartilage conduction vibration section 225, and the cartilage conduction vibration section (piezoelectric bimorph element) applied in response to the pressure on the vibration conductor 227. 225 is configured to detect signal changes based on distortion to 225. Thus, when the cartilage conduction vibration part 225 that transmits voice information by contacting the tragus 32 is constituted by a piezoelectric bimorph element, the piezoelectric bimorph element itself can also be used as a pressure sensor for the tragus 32. The press sensor 242 further monitors a signal appearing on a signal line connecting the phase adjustment mixer unit 236 and the reception processing unit 212. Since the signal that appears here is not affected by the pressure on the tragus 32, it can be used as a reference signal for pressure determination.

  As described above, in FIG. 9A, the tragus 32 does not block the ear hole 232, and the pressure determined by the pressure sensor force 242 is small. Based on this determination, the control unit 239 controls the phase inversion unit 240. The phase adjustment mixer unit 236 is instructed not to mix the phase-inverted voice from the cartilage conduction vibration unit 225. On the other hand, FIG. 9B shows a state in which the mobile phone 301 presses the tragus 32 more strongly in the direction of the arrow 302, and the tragus 32 blocks the ear hole 232. And in this state, the ear plug bone conduction effect has occurred. The pressure sensor force 242 determines that the ear hole is closed based on detection of an increase in pressure equal to or greater than a predetermined value. Based on this determination, the control unit 239 transmits the phase-inverted voice from the phase inversion unit 240 to the cartilage conduction vibration. The phase adjustment mixer unit 236 is instructed to mix with the unit 225. As described above, the uncomfortable feeling of the own voice during the generation of the ear plug bone conduction effect is alleviated. On the other hand, when the pressing sensor 242 detects a decrease in the pressing force beyond a predetermined level from the state of FIG. 9B, it is determined that the ear hole is not blocked as shown in FIG. Then, the mixing of the phase-inverted voice is stopped. Note that the press sensor 242 determines the state transition between FIG. 9A and FIG. 9B based on the absolute amount of press and the change direction of the press. In a silent state where both voices are absent, the pressure sensor 242 detects a pressure by directly applying a pressure monitor signal that cannot be heard by the ear to the bone conduction vibration unit 225.

  FIG. 10 is a flowchart of the operation of the control unit 239 in the fourth embodiment of FIG. Since the flow of FIG. 10 is often in common with the flow of the first embodiment in FIG. 4, the corresponding steps are denoted by the same step numbers, and the description is omitted unless necessary. FIG. 10 also mainly shows the functions of the cartilage conduction vibration unit in order to explain the functions of the cartilage conduction vibration unit. Therefore, as in the case of FIG. 4, there are operations of the control unit 239 that are not shown in the flow of FIG. In FIG. 10, portions different from those in FIG. 4 are shown in bold, and therefore, these portions will be mainly described below.

  Step S42 is a summary of Step S6 and Step S8 in FIG. 4, and includes the case where the non-call processing in Step S42 includes the case of going straight to the next step without a non-call operation. The contents are the same as those in steps S6 and S8 in FIG. Step S44 is a summary of Step S10 and Step S12 in FIG. 4, and is a step for checking the presence or absence of a call state between both parties regardless of whether the call is an incoming call from the other party or a call from the other party. Although shown, the contents are the same as those in steps S6 and S8 in FIG. In the fourth embodiment, since there is no configuration for opening and closing the mobile phone 301, a step corresponding to step S16 in FIG. 4 is not included.

  Step S46 relates to the first additional function in the fourth embodiment, and checks whether or not the mobile phone 301 is left in a horizontal state apart from the handheld state for a predetermined time (for example, 0.5 seconds). When the proximity sensor is detected in step S22, if it is confirmed in step S46 that such a horizontal stationary state is not established, the process proceeds to step S48 for the first time to turn on the cartilage conduction vibration source 225. On the other hand, when the horizontal stationary state is detected in step S46, the process proceeds to step S50, the cartilage conduction vibration source 225 is turned off, and the process returns to step S14. Note that step S50 corresponds to the step S46 in which the cartilage conduction vibration source is turned on in the repetition of the flow to be described later, and corresponds to when the horizontal stationary state is detected. When S50 is reached, the process returns to step S14 without doing anything.

  Step S52 relates to the second additional function in the fourth embodiment, and checks whether or not the ear plug bone conduction effect is produced by closing the ear hole 232 by strongly pressing the mobile phone 301 against the tragus 32. It is. Specifically, as shown in FIG. 9, this is checked based on the presence or absence and a direction of a predetermined pressure change by the pressure sensor 242. If it is detected that the effect of the ear plug bone conduction is produced, the process proceeds to step S54, where the phase inversion signal of own voice is added to the cartilage conduction vibration source 225, and the process proceeds to step S58. On the other hand, when it is detected in step S52 that the effect of the ear plug bone conduction is not generated, the process proceeds to step S56, and the addition of the phase inversion signal of the own voice to the cartilage conduction vibration source 225 is eliminated, and step S58 is performed. Migrate to In step S58, it is checked whether or not the call state is cut off. If the call is not cut off, the process returns to step S22, and step S22 and step S46 to step S58 are repeated until a call cut is detected in step S58. This responds to the occurrence and disappearance of the ear plug bone conduction effect during a call.

  The various features of each embodiment described above are not limited to individual embodiments, and can be appropriately replaced or combined with features of other embodiments. For example, the flowchart of the fourth embodiment in FIG. 10 does not have a configuration for switching between the cartilage conduction vibration portion for the right ear and the cartilage conduction vibration portion for the left ear in the flowchart of the first embodiment of FIG. As the configuration of the conduction vibration unit 228, the right ear cartilage conduction vibration part 24 and the left ear cartilage conduction vibration part as in the first embodiment are adopted, and the loop of steps S22 and S46 to S58 is repeated in the ear. In addition to responding to the occurrence and disappearance of the plug bone conduction effect, the mobile phone is switched between the right-ear call state and the left-ear call state by the function according to steps S24 to S26 in FIG. You may comprise. In addition, the horizontal stationary state check and the off function of the cartilage conduction vibration unit in the fourth embodiment of FIG. 10 can be added to the first to third embodiments. Furthermore, in Examples 1 to 3, it is also possible to employ a cartilage conduction vibration unit as in Example 4.

  FIG. 11 is a perspective view showing Example 5 of the mobile phone according to the embodiment of the present invention. The fifth embodiment is based on the fourth embodiment shown in FIG. 7. Since most of the structure is common, the corresponding parts are denoted by the same reference numerals and the description thereof is omitted. In addition, in order to avoid complication of illustration, the number of description omitted is also omitted from the number itself, but the function and name of the common part in the drawing are the same as in FIG. In addition, about a detailed structure, the block diagram of Example 4 in FIG. 8 and FIG. 9 is used fundamentally. The first point in which the fifth embodiment differs from the fourth embodiment is that, in the mobile phone 401, a so-called touch panel function (touching a large screen 205 on which an operation unit 209 such as a numeric keypad is displayed is touched with a finger, and its touch position detection and slide detection are performed. In this case, a push-push button 461 that is effective only when the touch panel function is set to off is provided. The touch panel function can be turned off by operating the touch panel itself, and the touch panel function can be turned back on by pressing and holding the push-push button 461 for a predetermined time or longer. In addition, the push-push button 461 has a function of starting a call when pressed for the first time and disconnecting the call when pressed for the second time during a call when it is enabled. Note that the first push of the push-push button 461 is performed when a call is made to a specific partner or when a response to an incoming call is made. In any case, a call is started.

  The second point in which the fifth embodiment differs from the fourth embodiment is that the fifth embodiment is configured to function by a combination of the mobile phone 401 and a soft cover 463 for storing the cellular phone 401. In FIG. 11, the soft cover 463 is illustrated as transparent for convenience of description of the configuration. However, the soft cover 463 is actually opaque, and the mobile phone 401 is connected as shown in FIG. The mobile phone 401 is not visible from the outside while being housed in the soft cover 463.

  The function of the push-push button 461 can also be achieved by pressing the push-push button on the soft cover 463 while the mobile phone 401 is stored in the soft cover 463. Further, the soft cover 463 is linked to the cartilage conduction vibration unit having the cartilage conduction vibration source 225 and the vibration conductor 227 of the mobile phone 401 so that a call can be made in a state where the mobile phone 401 is stored in the soft cover 463. Composed. This will be described below.

  The soft cover 463 is made of an elastic material whose acoustic impedance approximates that of the ear cartilage (silicone rubber, a mixture of silicone rubber and butadiene rubber, natural rubber, or a structure in which air bubbles are sealed, or a transparent packing sheet material. Vibration layer that conveys vibration from the cartilage conduction vibration source 225 when the cellular phone 401 is accommodated. The body 227 contacts the inside. Then, when the outside of the soft cover 463 is applied to the ear while the mobile phone 401 is stored, the vibration of the vibration conductor 227 is transmitted to the ear cartilage with a wide contact area through the soft cover 463. Furthermore, the sound from the outer surface of the soft cover 463 that resonates due to the vibration of the vibration conductor 227 is transmitted from the ear canal to the eardrum. As a result, the sound source information from the cartilage conduction vibration source 225 can be heard as a loud sound. Moreover, since the soft cover 463 applied to the ear closes the ear canal, it is possible to block environmental noise. Further, when the force pressing the soft cover 463 against the ear is increased, the external auditory canal is almost completely blocked, and the sound source information from the cartilage conduction vibration source 225 can be heard as a louder sound due to the ear plug bone conduction effect. Although detection is performed via the soft cover 463, in the same manner as in the fourth embodiment, based on the detection of the pressing force by the cartilage conduction vibration source 225, in the state where the ear plug bone conduction effect occurs, the voice from the microphone A phase inversion signal is added to the signal.

  In a call state in which the mobile phone 401 is housed in the soft cover 463, the vibration of the vibration conductor 227 transmitted to the soft cover 463 may be transmitted to the transmitter 23 and cause howling. As a countermeasure, in order to block acoustic conduction between the vibration conductor 227 and the transmitter 23, the soft cover 463 is provided with an insulating ring portion 465 having an acoustic impedance different from that of the soft cover body. The insulating ring portion 465 can be formed by integrally molding or joining a material different from the material of the soft cover main body. The insulating ring portion 465 may be formed by bonding layers having different acoustic impedances to the outside or the inside of the soft cover molded from the same material. Furthermore, a plurality of insulating ring portions 465 may be interposed between the vibration conductor 227 and the transmitter 23 to enhance the insulating effect.

  In addition, the soft cover 463 is configured as a microphone cover portion 467 in the vicinity of the microphone 23 that does not hinder air conduction in order to enable a call with the mobile phone 401 stored. Such a microphone cover portion 467 has a sponge-like structure such as an earphone cover.

  FIG. 12 is a flowchart of the operation of the control unit 239 (FIG. 8 diversion) in the fifth embodiment of FIG. In the flow of FIG. 12, the same step numbers are assigned to portions common to the flow of FIG. 10, and description thereof is omitted. FIG. 12 also mainly shows the functions of the cartilage conduction vibration unit in order to explain the functions of the cartilage conduction vibration unit. Accordingly, similarly to FIG. 10 and the like, even in the fifth embodiment, there are operations of the control unit 239 that are not shown in the flow of FIG.

  In the flow of FIG. 12, when reaching step S62, it is checked whether or not the touch panel is set to OFF by the operation described above. If it is not set to OFF, the process proceeds to step S64 and the function of the push push button 461 is disabled. Then, the process proceeds to step S66 to reach step S34. The part shown as normal processing in step S66 is the part shown in step S14, step S18 to step S22, step S32, step S36, step S38 and step S42 to step S58 in FIG. 10 (that is, the part between step SS4 and step S34). ). In other words, when shifting from step S62 to step S64, the flow of FIG. 12 performs the same function as FIG.

  On the other hand, when it is detected in step S62 that the touch panel off setting has been performed, the flow proceeds to step S68, the function of the push-push button 461 is enabled, and the process proceeds to step S70. In step S70, the function of the touch panel is disabled, and in step S72, it is detected whether or not the push push button 461 has been pressed for the first time. If no pressing is detected here, the process directly proceeds to step S34. On the other hand, when the first press of the push-push button 461 is detected in step S72, the process proceeds to step S74, and it is detected whether or not the mobile phone 401 is stored in the soft cover 463. This detection is possible, for example, by the functions of the infrared light emitting units 19 and 20 and the infrared light proximity sensor 21 constituting the proximity sensor.

  When storage in the soft cover 463 is detected in step S74, the flow proceeds to step S76, where the transmitter 23 is turned on and the receiver 13 is turned off. Further, in step S78, the cartilage conduction vibration source 225 is turned on, and the process proceeds to step S80, where the mobile phone 401 is set in a call state. If it is already in a call state, this is continued. On the other hand, if the storage in the soft cover 463 is not detected in step S74, the process proceeds to step S82 where both the transmitter 23 and receiver 13 are turned on, and the cartilage conduction vibration source 225 is turned off in step S84. Proceed to In step S86 subsequent to step S80, the ear plug bone effect processing is performed, and the process proceeds to step S88. The ear canal bone conduction effect process in step S86 is a summary of steps S52 to S56 in FIG.

  In step S88, it is detected whether or not the push push button 461 has been pressed for the second time. If there is no detection, the flow returns to step S74, and steps S74 to S88 are repeated unless a second press of the push push button 461 is detected. In this repetition during a call, whether or not the mobile phone 401 is stored in the soft cover 463 is always checked, so that the user is in the middle of a call when, for example, the environmental noise is large and it is difficult to hear the sound at the receiver 13. Thus, when the mobile phone 401 is housed in the soft cover 463, it is possible to take measures such as blocking environmental noise or making the sound easier to hear due to the effect of the ear plug bone.

  On the other hand, when it is detected in step S88 that the push-push button 461 is pressed for the second time, the flow proceeds to step S90, the call is disconnected, and all the transmission / reception functions are turned off in step S92, and the process proceeds to step S34. Since it is checked in step S34 whether the main power supply is off or not, if there is no main power supply off detection, the flow returns to step S62, and thereafter steps S62 to S92 and step S34 are repeated. In this repetition, the response to the touch panel off setting by the operation of the touch panel already described or the canceling of the off setting by long pressing of the push push button 461 is performed in step S64, so that the normal process can be appropriately switched. it can.

  FIG. 13 is a perspective view showing Example 6 of the mobile phone according to the embodiment of the present invention. FIG. 13A is a front perspective view similar to FIG. 7, but since Example 6 is configured as a digital camera having a mobile phone function as described later, it is rotated 90 degrees from FIG. It is shown in the angle of the usage state as a digital camera. FIG. 13B is a rear perspective view (front perspective view when viewed as a digital camera), and FIG. 13C is a cross-sectional view taken along the line BB in FIG. 13B.

  The sixth embodiment is also based on the fourth embodiment shown in FIG. 7, and since most of the structure is common, the corresponding parts are denoted by the same reference numerals and the description thereof is omitted. In addition, in order to avoid complication of illustration, the number of description omitted is also omitted from the number itself, but the function and name of the common part in the drawing are the same as in FIG. In addition, about a detailed structure, the block diagram of Example 4 in FIG. 8 and FIG. 9 is used fundamentally. The first difference between the sixth embodiment and the fourth embodiment is that the mobile phone 501 is configured as a digital camera having a mobile phone function. That is, as shown in FIG. 13B, a zoom lens 555 having high optical performance is employed as the imaging lens of the rear main camera. Note that the zoom lens 555 protrudes in a state indicated by a one-dot chain line in FIG. 13B when in use, but retracts to a position that is flush with the outer surface of the mobile phone 501 when not in use. It has a configuration. Further, a strobe 565 and a shutter release button 567 for projecting auxiliary light when the subject is dark are provided. Further, the cellular phone 501 has a grip portion 563 suitable for holding the camera with the right hand.

  The second point in which the sixth embodiment is different from the fourth embodiment is that the grip portion 563 is similar to the soft cover 463 in the fifth embodiment in that the material has similar acoustic impedance to the ear cartilage (silicone rubber, silicone rubber). And a butadiene rubber mixture, natural rubber, or a structure in which air bubbles are sealed in the rubber), and has elasticity suitable for improving the grip feeling. Unlike the arrangement of the fourth embodiment, a cartilage conduction vibration source 525 is arranged on the back side of the grip portion 563. As is clear from the cross section of FIG. 13C, the cartilage conduction vibration source 525 is in contact with the back surface of the grip portion 563.

  Therefore, by applying the grip portion 563 to the ear, the vibration of the cartilage conduction vibration source 525 is transmitted to the ear cartilage with a wide contact area through the grip portion 563. Further, the sound from the outer surface of the grip portion 563 that resonates due to the vibration of the cartilage conduction vibration source 525 is transmitted from the ear canal to the eardrum. As a result, the sound source information from the cartilage conduction vibration source 525 can be heard as a loud sound. Similarly to the fifth embodiment, since the grip portion 563 applied to the ear closes the ear canal, it is possible to block environmental noise. Further, in the same manner as in Example 5, when the force pressing the grip portion 563 against the ear is increased, the external auditory canal is almost completely blocked, and the sound source information from the cartilage conduction vibration source 525 is further obtained by the ear plug bone conduction effect. It can be heard as a loud sound. Although detection is performed via the grip portion 563, in the same manner as in the fifth embodiment, based on the detection of the pressing force by the cartilage conduction vibration source 525, in the state where the ear plug bone conduction effect has occurred, the voice from the microphone A phase inversion signal is added to the signal.

Further, unlike the fourth embodiment, the transmitter 523 is provided not on the front face of the mobile phone 501 but on the end face, as is apparent from FIG. Therefore, the transmitter 523 can pick up the user's voice in common when making a call with the receiver 13 placed on the ear or when making a call with the grip portion 563 on the back side placed on the ear. It should be noted that the setting can be switched with the switching button 561 as to whether the receiver 13 or the cartilage conduction vibration source 525 is enabled. Further, in the state where the zoom lens 555 protrudes in the state indicated by the alternate long and short dash line in FIG. 13B, it is unsuitable for making a call with the grip portion 563 applied to the ear, and thus the switching button is operated in such a state. When the setting for enabling the cartilage conduction vibration source 525 is made, the zoom lens 555 is automatically retracted, and execution of switching is suspended until the retracting is completed.

  FIG. 14 is a flowchart of the operation of the control unit 239 (FIG. 8 diversion) in the sixth embodiment of FIG. In the flow of FIG. 14, the same step numbers are assigned to portions common to the flow of FIG. 10, and description thereof is omitted. FIG. 14 also shows operations extracted with a focus on related functions in order to mainly explain the functions of the cartilage conduction vibration unit. Therefore, similarly to FIG. 10 and the like, in the sixth embodiment, there are operations of the control unit 239 that are not shown in the flow of FIG.

  In the flow of FIG. 14, it is checked whether or not a call start operation has been performed at step S104. If there is no operation, the process immediately proceeds to step S34. On the other hand, when a call start operation is detected, the process proceeds to step S106, and it is checked whether or not the cartilage conduction setting is made by the switch button 561. If cartilage conduction is set, it is checked in step S108 whether the zoom lens 555 is protruding. As a result, if the zoom lens 555 does not protrude, the process proceeds to step S110, the transmitter 523 is turned on and the receiver 13 is turned off, the cartilage conduction vibration source 525 is turned on in step S112, and the process proceeds to step S46.

  On the other hand, when the cartilage conduction setting is not detected in step S106, the process proceeds to step S114, the transmitter 523 and the receiver 13 are turned on together, the cartilage conduction vibration source 525 is turned off in step S116, and the process proceeds to step S118. Further, even if the cartilage conduction setting is detected in step S106, if it is detected in step S108 that the zoom lens 555 is protruding, the process proceeds to step S110, and the retracting of the zoom lens 555 is instructed to step S114. Transition. If the retraction is already started, the continuation is instructed. As will be described later, steps S106 to S116 are repeated unless the call state is cut off. In this manner, in accordance with the cartilage conduction setting detection in step S106, the collapsing is instructed in step S110. After the collapsing is started, the collapsing is completed, and the projection of the zoom lens 555 is not detected in step S108. The state of step S114 and step S116 is maintained without shifting to.

  Steps S46 to S56 subsequent to step S112 are the same as those in FIG. When the process proceeds from step S54 or step S56 to step S118, it is checked whether or not the call state has been disconnected. If no call disconnection is detected, the flow returns to step S106. S56 is repeated. Accordingly, for example, when the environmental noise is large and it is difficult to hear the sound at the receiver 13, the user can switch the cartilage conduction setting by operating the switch button 561 during the call, thereby blocking the environmental noise or the ear plug bone. It is possible to take measures such as making the sound easier to hear due to the lead effect. At this time, if the zoom lens 555 is in the protruding state, it is automatically retracted.

  FIG. 15 is a perspective view showing Example 7 of the mobile phone according to the embodiment of the present invention. The mobile phone 601 of the seventh embodiment is configured such that the upper portion 607 can be folded on the lower portion 611 by the hinge portion 603 in the same manner as the first embodiment. 15A is a front perspective view similar to FIG. 1, and FIG. 15B is a rear perspective view thereof. FIG. 15C is a cross-sectional view of a principal part taken along the line BB in FIG. Since most of the structure of the seventh embodiment is the same as that of the first embodiment, the corresponding parts are denoted by the same reference numerals and description thereof is omitted. In addition, in order to avoid complication of illustration, the number of description omitted is omitted from the number itself, but the function and name of the common part in the drawing are the same as in FIG. Although the overview is common with that of the first embodiment, the block diagram of the fourth embodiment in FIGS. 8 and 9 is basically used for the internal detailed configuration.

  The first point that the seventh embodiment is different from the first embodiment is that a cartilage conduction output portion 663 having a large area is provided near the hinge of the upper portion 607 as shown in FIG. The cartilage conduction output portion 663 is similar to the soft cover 463 in the fifth embodiment and the grip portion 563 in the sixth embodiment. A mixture of natural rubber, or a structure in which air bubbles are sealed in these, and provided with elasticity suitable for protecting foreign objects from colliding with the outer wall of the mobile phone 601. Unlike the arrangement of the first embodiment, a cartilage conduction vibration source 625 is arranged on the back side of the cartilage conduction output unit 663. As is clear from the cross section of FIG. 15C, the cartilage conduction vibration source 625 is in contact with the back surface of the cartilage conduction output portion 663.

  Therefore, by folding the cellular phone 601 and placing the cartilage conduction output unit 663 on the ear, the vibration of the cartilage conduction vibration source 625 is transmitted to the ear cartilage with a wide contact area through the cartilage conduction output unit 663. Further, the sound from the outer surface of the cartilage conduction output unit 663 that resonates due to the vibration of the cartilage conduction vibration source 625 is transmitted from the ear canal to the eardrum. As a result, the sound source information from the cartilage conduction vibration source 625 can be heard as a loud sound. Similarly to the fifth embodiment and the sixth embodiment, the cartilage conduction output portion 663 applied to the ears closes the ear canal, so that environmental noise can be blocked. Further, in the same manner as in Example 5 and Example 6, when the force for pressing the cartilage conduction output portion 663 against the ear is increased, the external auditory canal is almost completely blocked, and the cartilage conduction vibration source 625 is caused by the ear plug bone conduction effect. Sound source information from can be heard as a louder sound. Although detection is performed via the cartilage conduction output unit 663, in the same manner as in the fifth and sixth embodiments, in the state where the ear plug bone conduction effect is generated based on the detection of the pressing force by the cartilage conduction vibration source 625. The phase inversion signal is added to the voice signal from the microphone.

The second point in which the seventh embodiment is different from the first embodiment is that, as shown in FIG. 15A, the transmitter 623 is provided on the lower end surface of the lower portion 607 instead of the front surface of the lower portion 607 of the mobile phone 601. It is a point. Therefore, both when the mobile phone 601 is opened and the receiver 13 is placed on the ear to make a call, and when the mobile phone 601 is closed and the cartilage conduction output portion 663 is placed on the ear and the call is made, the transmitter 623 is common. You can pick up the voice of the user. When the mobile phone 601 is set to support cartilage conduction switching, the earpiece 13 is automatically activated when the mobile phone is opened and the cartilage conduction vibration source 525 is automatically activated when the mobile phone is closed. Switch. On the other hand, if the cartilage conduction switching setting is not set, the cartilage conduction vibration source 525 is not automatically enabled, and normal transmission / reception functions regardless of whether the cellular phone is opened or closed.

  As is apparent from the rear perspective view of FIG. 15B, a rear main camera 51, a speaker 51, and a rear display portion 671 are provided on the rear surface of the mobile phone 601. Further, a push-push button 661 that is effective when the cartilage conduction switching setting is performed and the mobile phone 601 is closed is provided on the back surface of the mobile phone 601. The push-push button 661 has a function of starting a call when pressed for the first time as in the fifth embodiment, and disconnecting the call when pressed for the second time during a call. Note that the first push of the push-push button 661 is performed when a call is made to a specific partner or when a response to an incoming call is made, and in either case, a call is started.

  FIG. 16 is a flowchart of the operation of the control unit 239 (FIG. 8 diversion) in the seventh embodiment of FIG. In the flow of FIG. 16, the same step numbers are assigned to the portions common to the flow of FIG. 14, and the description is omitted. FIG. 16 also mainly illustrates the functions of the cartilage conduction vibration unit in order to explain the functions of the cartilage conduction vibration unit. Accordingly, as in FIG. 14 and the like, in the seventh embodiment, there are operations of the control unit 239 that are not shown in the flow of FIG.

  In the flow of FIG. 16, when the call is started and the process reaches step S122, it is checked whether or not the cartilage conduction switching setting is made. When the cartilage conduction switching correspondence setting is confirmed in step S122, the process proceeds to step S124, and whether the cellular phone is opened, that is, from the state where the upper part 607 is folded over the lower part 611 is opened as shown in FIG. Check whether it is in the state of When it is confirmed that the cellular phone 601 is not opened and the upper part 607 is folded and overlapped with the lower part 611, the process proceeds to step S110, the transmitter 523 is turned on and the receiver 13 is turned off. In step S112, the cartilage conduction vibration source 525 is turned on, and the process proceeds to step S46. In this way, the cartilage conduction output unit 663 can receive a call while the cellular phone 601 is folded.

  On the other hand, when the cartilage conduction switching correspondence setting is not detected in step S122, the process proceeds to step S114 without questioning whether the telephone 601 is folded, and the transmitter 523 and the receiver 13 are turned on together, and in step S116. The cartilage conduction vibration source 525 is turned off and the process proceeds to step S118. Furthermore, when it is confirmed that the mobile phone 601 is opened in step S124 when the setting for cartilage conduction switching is detected in step S106, the process proceeds to step S114.

  In the flow of FIG. 16 as well, whether or not the call state has been disconnected is checked in step S118, and if the call disconnection is not detected, the flow returns to step S122. Steps S46 to S56 are repeated. In this way, if the cartilage conduction switching setting is set in advance, the user folds the mobile phone 601 during the call and, for example, when the environmental noise is large and it is difficult to hear the sound at the receiver 13, the cartilage conduction output unit By switching to the reception by 663, it is possible to take measures such as blocking environmental noise or making the sound easier to hear due to the effect of the ear plug bone conduction.

  Summarizing the features of Examples 5 to 6 described above, the mobile phone has a cartilage conduction vibration source and a conductor for guiding the vibration of the cartilage conduction vibration source to the ear cartilage, and this conductor is configured as an elastic body. Or a size that touches the ear cartilage at several locations or a size that touches the ear cartilage to block the ear canal, or at least has an area that approximates the earlobe, or approximates the acoustic impedance of the ear cartilage Has acoustic impedance. The sound information from the cartilage conduction vibration source can be effectively heard by any one or a combination of these features. Further, utilization of these features is not limited to the above embodiment. For example, by utilizing the advantages of the material, size, area, arrangement, and structure disclosed in the above embodiments, the present invention can be configured without using the conductor as an elastic body.

  FIG. 17 is a perspective view showing Example 8 of the mobile phone according to the embodiment of the present invention. The eighth embodiment is configured as a digital camera having a mobile phone function, similar to the sixth embodiment of FIG. 13. FIG. 17A is a front perspective view and FIG. 17B is the same as FIG. FIG. 17C is a cross-sectional view taken along the line BB in FIG. 17B. Since the structure of the seventeenth embodiment is the same as that of the sixth embodiment shown in FIG. 13, the corresponding parts are denoted by the same reference numerals and the description thereof is omitted.

  The eighth embodiment differs from the sixth embodiment in that a cartilage conduction vibration source 725 is embedded in the grip portion 763 as is apparent from the cross section of FIG. As in Example 6 in FIG. 13, the grip part 763 is made of a material having an acoustic impedance similar to that of the ear cartilage (silicone rubber, a mixture of silicone rubber and butadiene rubber, natural rubber, or air bubbles sealed in these. Structure) and has elasticity suitable for improving the grip feeling. The internal detailed configuration basically uses the block diagram of the fourth embodiment in FIGS. 8 and 9 as in the sixth embodiment.

  A flexible connection line 769 in FIG. 17C connects the cartilage conduction vibration source 725 embedded in the grip portion 763 and a circuit portion 771 such as the phase adjustment mixer portion 236 in FIG. 8. The embedded structure of the cartilage conduction vibration source 725 in the grip portion 763 as shown in the sectional view of FIG. 17C can be realized by integral molding in which the cartilage conduction vibration source 725 and the flexible connection line 769 are inserted into the grip portion 763. is there. It can also be realized by dividing the grip portion 763 into two bodies with the flexible connection line 769 and the cartilage conduction vibration source 725 as a boundary and bonding the grip portion 763 with the flexible connection line 769 and the cartilage conduction vibration source 725 sandwiched therebetween. .

  In the eighth embodiment, when the grip portion 763 is applied to the ear, the vibration of the cartilage conduction vibration source 725 is transmitted to the ear cartilage with a wide contact area through the grip portion 763, and resonates due to the vibration of the cartilage conduction vibration source 725. The sound from the outer surface of the grip part 763 is transmitted from the ear canal to the eardrum, the grip part 763 applied to the ear closes the ear canal, so that environmental noise is blocked, and the grip part 763 is pressed against the ear. When the force is increased, the external auditory canal is almost completely blocked, and the sound source information from the cartilage conduction vibration source 725 can be heard as a louder sound by the effect of the ear plug bone, as in the sixth embodiment. Further, based on the detection of the pressing force by the cartilage conduction vibration source 525, the phase inversion signal is added to the voice signal from the microphone in the state where the ear plug bone conduction effect is generated, as in the sixth embodiment. is there. In Example 8, since the cartilage conduction vibration source 725 is embedded in the grip portion 763, the distortion of the cartilage conduction vibration source 725 caused by the distortion of the grip portion 763 due to an increase in pressing force causes an ear plug bone conduction effect. Is detected.

  The significance of embedding the cartilage conduction vibration source 725 in the elastic body such as the grip portion 763 in the eighth embodiment is to take a countermeasure against impact on the cartilage conduction vibration source 725 in addition to obtaining good sound conduction as described above. It is in. In the eighth embodiment, the piezoelectric bimorph element used as the cartilage conduction vibration source 725 has a property of hating impact. Here, by constructing the cartilage conduction vibration source 725 so as to wrap from the periphery as in the eighth embodiment, it is possible to provide a buffer against the impact applied to the rigid structure of the mobile phone, and the mobile phone is always exposed to risks such as dropping. Can be easily implemented. The elastic body that encloses the cartilage conduction vibration source 725 not only functions as a cushioning material, but also functions as a configuration that more effectively transmits the vibration of the cartilage conduction vibration source 725 to the ear as described above.

  FIG. 18 is a perspective view showing Example 9 of the mobile phone according to the embodiment of the present invention. The mobile phone 801 according to the ninth embodiment is configured such that the upper portion 807 can be folded onto the lower portion 611 by the hinge portion 603 in the same manner as the seventh embodiment. 18, as in FIG. 15, FIG. 18 (A) is a front perspective view, FIG. 18 (B) is a rear perspective view, and FIG. 18 (C) is a cross-sectional view taken along the line BB in FIG. It is sectional drawing. Since the structure of the eighth embodiment in FIG. 18 is the same as that of the seventh embodiment in FIG. 15, the corresponding parts are denoted by the same reference numerals and the description thereof is omitted.

  The ninth embodiment differs from the seventh embodiment in that the cartilage conduction vibration source 825 is sandwiched between the cartilage conduction output portion 863 and the internal cushioning material 873, as is apparent from the cross section of FIG. This cartilage conduction output part 863 is similar to the cartilage conduction output part 663 in Example 7, and is made of a material (such as silicone rubber, a mixture of silicone rubber and butadiene rubber, natural rubber, or natural rubber, which has an acoustic impedance similar to that of the ear cartilage. It is made of a structure in which air bubbles are sealed, and has elasticity suitable for protecting foreign matter from colliding with the outer wall of the mobile phone 601. The internal buffer material 873 can be made of any material as long as it is an elastic body for buffering, but can be made of the same material as the cartilage conduction output portion 863. As in the seventh embodiment, the detailed internal configuration basically uses the block diagram of the fourth embodiment shown in FIGS. 8 and 9.

  As shown in the cross section of FIG. 18C, a cartilage conduction vibration source 825 and a flexible connection line 869 are sandwiched between the cartilage conduction output portion 863 and the internal cushioning material 873. As in the eighth embodiment, the flexible connection line 869 connects the cartilage conduction vibration source 825 to a circuit portion 871 such as the phase adjustment mixer 236 in FIG. The structure of sandwiching the soft vibration source 825 and the flexible connection line 869 between the cartilage conduction output portion 863 and the internal cushioning material 873 is grouped in the cartilage conduction output unit 875. A conductive output unit 875 is fitted into the upper part 807 of the mobile phone 801.

  Also in the ninth embodiment, by applying the cartilage conduction output unit 863 to the ear, the vibration of the cartilage conduction vibration source 825 is transmitted to the ear cartilage with a wide contact area through the cartilage conduction output unit 863, and the cartilage conduction vibration source 825. The sound from the cartilage conduction output unit 863 that resonates due to vibration of the ear is transmitted from the ear canal to the tympanic membrane, the cartilage conduction output unit 863 applied to the ear closes the ear canal, blocks environmental noise, and cartilage Example 7 shows that when the force for pressing the conduction output unit 863 against the ear is increased, the external auditory canal is almost completely blocked, and the sound source information from the cartilage conduction vibration source 825 can be heard as a louder sound by the effect of the ear plug bone. It is the same. Further, based on the detection of the pressing force by the cartilage conduction vibration source 525, the phase inversion signal is added to the voice signal from the microphone in the state where the ear plug bone conduction effect is generated, as in the seventh embodiment. is there. In the ninth embodiment, the cartilage conduction vibration source 825 is sandwiched between the cartilage conduction output portion 863 and the internal cushioning material 873, both of which are elastic bodies. A state in which the ear plug bone conduction effect is generated by the distortion of the cartilage conduction vibration source 825 accompanying the distortion of the conduction output unit 863 is detected.

  In Example 9, the significance of the structure in which the cartilage conduction vibration source 825 is sandwiched between the cartilage conduction output portion 863 and the internal cushioning material 873, both of which are elastic bodies, is to obtain good sound conduction as described above. In addition to this, there is a countermeasure against an impact on the cartilage conduction vibration source 825 constituted by a piezoelectric bimorph. In other words, in the same manner as in Example 8, by configuring the cartilage conduction vibration source 725 to be wrapped with an elastic body from the periphery, it is possible to provide a buffer against the impact on the rigid structure of the mobile phone, and there is always a risk of dropping and the like. It can be easily mounted on an exposed mobile phone. The elastic body sandwiching the cartilage conduction vibration source 825 not only functions as a cushioning material, but at least the outer elastic body is molded from a material having an acoustic impedance similar to that of the ear cartilage, so that the cartilage conduction vibration is performed as described above. It functions as a configuration that more effectively transmits the vibration of the source 825 to the ear.

  FIG. 19 is a perspective view showing Example 10 of the mobile phone according to the embodiment of the present invention. Similar to the fourth embodiment, the mobile phone 901 of the tenth embodiment is an integrated type that has no movable part, and is configured as a so-called smartphone having a large screen 205 having a GUI function. And since there are many common points in the structure, the same number is attached | subjected to the corresponding part, and description is abbreviate | omitted. As in the fourth embodiment, in the tenth embodiment as well, the “upper portion” does not mean the separated upper portion, but means the upper portion of the integrated structure.

The tenth embodiment differs from the fourth embodiment in that a cartilage conduction vibration source 925 made of a piezoelectric bimorph element or the like serves as a cartilage conduction vibration source and also serves as a drive source for a receiver that generates sound waves transmitted to the eardrum by air conduction. It is a point. Specifically, as in the fourth embodiment, the vibration conductor 227 is disposed on the upper side of the mobile phone in contact with the upper part of the cartilage conduction vibration source 925. Furthermore, in front of the cartilage conduction vibration source 925,
Cartilage made of a material (such as silicone rubber, a mixture of silicone rubber and butadiene rubber, natural rubber, or a structure in which air bubbles are sealed) similar to the ear cartilage in the same manner as in Example 7. A conduction output 963 is disposed. Further, as described later, the cartilage conduction output unit 963 also serves as a receiver for generating a sound wave transmitted to the eardrum by air conduction, and therefore, in the tenth embodiment, there is no separate receiver 13 as in the fourth embodiment.

  With the above configuration, first, the vibration of the cartilage conduction vibration source 925 is transmitted to the side by the vibration conductor 227 and vibrates both ends 224 and 226. By contacting one of them with the tragus, the cartilage You can hear sound through conduction. As in the fourth embodiment, the vibration conductor 227 does not vibrate only at the right end 224 and the left end 226 but vibrates as a whole. Accordingly, also in the tenth embodiment, voice information can be transmitted regardless of where the inner upper edge of the mobile phone 901 is brought into contact with the ear cartilage. Then, when the mobile phone 901 is applied to the ear in such a manner that a part of the cartilage conduction output unit 963 is in front of the entrance to the ear canal, as in a normal mobile phone, the vibration conductor 227 contacts the wide range of the ear cartilage. At the same time, the cartilage conduction output portion 963 contacts the ear cartilage such as the tragus. Through such contact, sound can be heard by cartilage conduction. Further, in the same manner as in the fifth to ninth embodiments, sound from the outer surface of the cartilage conduction output unit 963 resonated by vibration of the cartilage conduction vibration source 925 is transmitted from the ear canal to the eardrum as sound waves. In this manner, the cartilage conduction output unit 963 can function as an air-conducting receiving unit in a normal mobile phone use state.

  The conduction of cartilage differs depending on the pressure applied to the cartilage, and a more effective conduction state can be obtained by increasing the pressure. This means that if the received sound is difficult to hear, the natural action of increasing the force of pressing the mobile phone against the ear can be used for volume adjustment. And even if such a function is not explained to the user by an instruction manual, for example, the user can naturally understand the function through natural actions. In the tenth embodiment, the configuration in which the vibration of the cartilage conduction vibration source 925 is configured so that both the vibration conductor 227 which is a rigid body and the cartilage conduction output portion 963 which is an elastic body can simultaneously contact the ear cartilage is mainly a rigid body. This is because the volume can be adjusted more effectively through the adjustment of the pressing force of the vibration conductor 227.

  The implementation of the present invention is not limited to the above-described embodiments, and the various advantages of the present invention described above can be enjoyed in other embodiments. For example, in the tenth embodiment, when the combination of the cartilage conduction output unit 963 and the cartilage conduction output unit 963 is configured to function exclusively for the air reception part, the ear cartilage is located at the position where the cartilage conduction output unit 963 is disposed. And a resonator suitable as a speaker other than a material whose acoustic impedance approximates. Even in this case, in the tenth embodiment, the cartilage conduction vibration source 925 formed of a piezoelectric bimorph element or the like serves as a cartilage conduction vibration source, and also serves as a drive unit for the earpiece that generates sound waves transmitted to the eardrum by air conduction and its features. Benefit from the benefits.

  FIG. 20 is a perspective view showing Example 11 of the mobile phone according to the embodiment of the present invention. Similar to the fourth embodiment, the mobile phone 1001 according to the eleventh embodiment is an integrated type having no movable part, and is configured as a so-called smartphone having a large screen 205 having a GUI function. And since there are many common points in the structure, the same number is attached | subjected to the corresponding part, and description is abbreviate | omitted. As in the fourth embodiment, in the tenth embodiment as well, the “upper portion” does not mean the separated upper portion, but means the upper portion of the integrated structure.

  Example 11 differs from Example 4 in that the right-ear vibration unit 1024 and the left-ear vibration unit 1026 are not the front surface of the mobile phone 1001, but the side surfaces 1007, respectively, and the numbers are omitted because of the illustrated relationship. It is provided on the opposite side surface. (Note that the arrangement of the right-ear vibration unit 1024 and the left-ear vibration unit 1026 is reversed to the left and right with respect to the fourth embodiment in FIG. 7). Also in the eleventh embodiment, the right-ear vibration unit 1024 and the left-ear vibration unit 1026 are configured as both ends of the vibration conductor 1027, respectively, and a cartilage including a piezoelectric bimorph element or the like below the vibration conductor 1027. A conduction vibration source 1025 is placed in contact and transmits the vibration to the vibration conductor 1027. As a result, the vibration of the cartilage conduction vibration source 1025 is transmitted to the side by the vibration conductor 1027 to vibrate both ends 1024 and 1026 thereof. Both ends 1024 and 1026 of the vibration conductor 1027 are arranged so as to come into contact with the tragus when the upper end portion of the side surface (for example, 1007) of the mobile phone 1001 is applied to the ear.

  Further, the microphone 102 or the like can pick up the sound produced by the user even when either the right-ear vibration unit 1024 or the left-ear vibration unit 1026 is placed on the tragus. The mobile phone 1001 is provided on the lower surface. Note that the cellular phone 1001 of Example 11 is provided with a speaker 1013 for a videophone while observing the display unit 205, and the microphone 102 and other transmitters 1023 can be switched in sensitivity during a videophone. It is possible to pick up the sound that is generated and is pronounced by the user who is observing the display unit 205.

  FIG. 21 is a side view of the mobile phone 1 showing the functions of the right-ear vibration unit 1024 and the left-ear vibration unit 1026, and the illustrated method is the same as FIG. However, as described with reference to FIG. 20, in the eleventh embodiment, the right-ear vibration unit 1024 and the left-ear vibration unit 1026 are provided on the side surfaces of the mobile phone 1001. Therefore, when the mobile phone 1001 is applied to the ear in the eleventh embodiment, the side surface of the mobile phone 1001 is applied to the tragus as shown in FIG. That is, since the surface of the display unit 5 of the mobile phone 1 is not applied to the tragus as shown in FIG. 2, the display unit 205 does not hit the ears or cheeks and is not stained with sebum.

  Specifically, FIG. 21A shows a state in which the mobile phone 1001 is held in the right hand and the right ear 28 is applied, and the side of the mobile phone 1001 opposite to that applied to the ear can be seen. In addition, the surface of the display unit 205 whose cross section is illustrated is substantially perpendicular to the cheek and faces the lower back of the face. As a result, the display unit 205 does not hit the ears or cheeks and is not stained with sebum as described above. Similarly, FIG. 21B shows a state in which the mobile phone 1001 is held in the left hand and is placed on the tragus 34 of the left ear 30, and in this case as well, the display unit 205 is similar to FIG. The face 205 is almost perpendicular to the cheek and faces the lower back of the face, so that the display unit 205 does not hit the ear or cheek and get dirty with sebum.

  21 is used, for example, in the case of FIG. 21A, the mobile phone 1001 is moved from the state of holding the mobile phone 1001 with the right hand and observing the display unit 205 without twisting the hand. This is realized by applying the right ear vibrating part 1024 to the tragus 32. Therefore, the observation state of the display unit 205 and the right-ear vibration unit 1024 can be changed to the tragus 32 by the natural movement of the right hand that slightly changes the angle between the elbow and the wrist without changing the mobile phone 1001 or twisting the hand. Transitions between hit states are possible. In the above description, for the sake of simplicity of explanation, the state in FIG. 21 is such that the display unit 205 is substantially perpendicular to the cheek. However, the user is free to adjust the hand angle and the posture of placing the mobile phone 1001 on the ear. Therefore, the angle of the cheek of the display unit 205 does not necessarily need to be a right angle, and may be inclined moderately. However, according to the configuration of the eleventh embodiment, the right-ear vibration unit 1024 and the left-ear vibration unit 1026 are provided on the side surfaces of the mobile phone 1001, respectively. The display unit 205 does not hit the ears or cheeks and get dirty with sebum.

  In the eleventh embodiment, as a result of the display unit 205 not hiding in the direction of the cheek, the display content such as the call destination may be visible to other people around. Therefore, in Example 11, for protection of privacy, switching from the normal display to the privacy protection display (for example, no display) is automatically performed when the right-ear vibration unit 1024 or the left-ear vibration unit 1026 is applied to the ear. Done. Details thereof will be described later.

  FIG. 22 is a perspective view showing Example 12 of the mobile phone according to the embodiment of the present invention. FIG. 22A shows a state where a handle 1181 described later does not protrude, and FIG. 22B shows a state where the handle 1181 protrudes. In the mobile phone 1101 of the twelfth embodiment, the cartilage conduction vibrating portion 1124 is the side surface of the mobile phone 1101 (the left side surface in FIG. 22 and is hidden for convenience of illustration) in the same manner as the eleventh embodiment. (No number is assigned). In addition, the twelfth embodiment is based on an integrated mobile phone having no movable part, similar to the eleventh embodiment, and is configured as a so-called smartphone having a large screen 205 having a GUI function. And since there are many common points in the structure, the same number is attached | subjected to the corresponding part, and description is abbreviate | omitted. In the same manner as in Example 11, also in Example 10, “upper part” does not mean the separated upper part, but means the upper part of the integrated structure.

  Example 12 differs from Example 11 in that a cartilage conduction vibration part 1124 is provided on the left side surface of the mobile phone 1101 in FIG. . Further, since it can be applied to the ear only on the left side surface, a transmitter 1123 such as a microphone is also provided on the lower surface near the left side surface of the mobile phone 1101 as shown in FIG. In the twelfth embodiment as well, in the case of a videophone call while observing the display unit 205, the transmission unit 1023 is switched to pick up the sound produced by the user who is observing the display unit 205. Can do.

  In the twelfth embodiment, the cartilage conduction vibrating portion 1124 can be applied to the tragus of the right ear from the state in which the display unit 205 is visible as shown in FIG. On the other hand, in order to apply the cartilage conduction vibration part 1124 to the tragus of the left ear, the soft cartilage conduction vibration part 1124 can be made to face the left ear by changing the mobile phone 1101 to face down. . Such use is possible even in a state where the handle 1181 does not protrude as shown in FIG.

  Next, the function of the handle will be described. As shown in FIG. 21, one natural way of holding the vibration part 1124 for cartilage conduction to the ear at an angle such that the display surface 205 is substantially perpendicular to the cheek is a mobile phone 1101 provided with the display part 205. The front and back surfaces of the mobile phone are sandwiched between the thumb and other four fingers. At this time, since the finger touches the display unit 205, there is a possibility of malfunction and a relatively long and strong contact during a call. There is a risk of fingerprint smudges.

  Therefore, in Example 12, in order to facilitate the holding of the mobile phone 1101 while preventing the finger from touching the display unit 205, the state shown in FIG. 22A is changed to the state shown in FIG. A handle 1181 is protruded, and the handle 1181 can be used for holding. Thus, in the state of FIG. 22B, the handle 1181 and the end of the main body of the mobile phone 1101 can be sandwiched between the thumb and other four fingers, and the mobile phone 1101 can be easily held without touching the display portion 205. be able to. In the case where the protrusion is configured to be relatively large, the cellular phone 1101 can be held by holding the handle 1181. As in the case of FIG. 22A, the cartilage conduction vibrating portion 1124 can be applied to the tragus of the left ear by holding the mobile phone 1101 facing down.

  To project the handle from FIG. 22A, the handle is unlocked by pushing the projecting operation button 1183, and the handle protrudes slightly, so that it can be brought out to the state of FIG. 22B by drawing it out. . Since the lock is applied in the state of FIG. 22 (B), there is no problem even when holding the handle 1181 and pressing the vibration part 1124 for cartilage conduction against the tragus. In order to store the handle 1181, the lock is released by pressing the protruding operation button 1183 in the state shown in FIG. 22B. Therefore, the handle 1181 is locked if the handle 1181 is pushed into the state shown in FIG.

  FIG. 23 is a flowchart of the operation of the control unit 239 (FIG. 8 diversion) in the twelfth embodiment of FIG. The flow in FIG. 23 has many parts in common with the flow in FIG. FIG. 23 also mainly shows the functions of the cartilage conduction vibration unit in order to explain the functions of the cartilage conduction vibration unit. Accordingly, similarly to FIG. 14 and the like, in the twelfth embodiment, there are operations of the control unit 239 that are not shown in the flow of FIG. In FIG. 23, portions different from those in FIG. 14 are shown in bold, and therefore, these portions will be mainly described below.

  In the flow of FIG. 23, when the process reaches step S104, it is checked whether or not a call start operation has been performed. If there is no operation, the process immediately proceeds to step S34. On the other hand, if a call start operation is detected, the process proceeds to step S132 to check whether the handle 1181 is in the protruding state. If not in the protruding state, the process proceeds to step S134, and it is checked whether or not the cartilage conduction vibration unit 1124 is in contact with the ear cartilage. When the contact state is detected, the process proceeds to step S136. If it is detected in step S132 that the handle 1181 is in the protruding state, the process proceeds to step S136.

  In step S136, the transmitter 1123 is turned on, and in step S138, the cartilage conduction vibration unit 1124 is turned on. On the other hand, in step S140, the speaker 1013 is turned off. In step S142, the display on the display unit 205 is set as a privacy protection display. This privacy protection display is a predetermined display that does not include privacy information or is in a non-display state. At this time, only the display content is changed without turning off the display unit 205 itself. After performing such display control, the process proceeds to step S52. In step S136 to step 142, if the target state has already been achieved, the result of these steps is nothing and the process proceeds to step S52.

  On the other hand, when it is not detected in step S134 that the cartilage conduction vibration unit 1124 is in contact with the ear cartilage, the process proceeds to step S144, the transmitter 144 is turned on, and in step S146, the cartilage conduction vibrator 1124 is turned on. The vibration unit 1124 is turned off. On the other hand, in step S148, the speaker 1013 is turned on. In step S150, the display on the display unit 205 is set as a normal display. After performing such display control, the process proceeds to step S118. Even in steps S144 to S150, if the target state has already been achieved, these steps result in nothing and the process reaches step S118.

  Step S52 to step S56, step S118 and step S34 following step S142, and step S118 and step S34 subsequent to 150 are common to FIG. In step S118, a check is made as to whether or not the call state has been cut off. If no call cut is detected, the flow returns to step S132, and steps S132 to S150 and steps S52 to S56 are repeated. . Thus, the cartilage conduction vibration unit 1124 and the speaker 1013 are automatically switched and the display is switched by inserting and removing the handle or by the contact non-contact of the cartilage conduction vibration unit 1124. Further, in the state where the cartilage conduction vibration unit 1124 is turned on, the presence / absence of the voice phase inversion signal addition based on the presence / absence of the ear plug bone conduction effect is automatically switched.

  In the repetition of the above steps, a step of determining whether a predetermined time has elapsed since the display of the display unit 205 first changed to the privacy protection display in step S142 and the purpose of power saving when the predetermined time has elapsed. The step of turning off the display unit 205 itself may be inserted between step S142 and step S52. At this time, a step for turning on the display unit 205 when the display unit 205 is turned off is inserted between step S148 and step S5. The flow of FIG. 23 can also be adopted in the embodiment 11 of FIG. 20 by omitting step S132.

  FIG. 24 is a perspective view showing Example 13 of the mobile phone according to the embodiment of the present invention. 24A shows a state in which a transmission / reception unit 1281 described later is integrated with the mobile phone 1201, and FIG. 24B shows a state in which the transmission / reception unit 1281 is separated. In the mobile phone 1201 of the thirteenth embodiment, the cartilage conduction vibration portion 1226 is disposed on the side surface 1007 of the mobile phone 1201 in the state shown in FIG. This is the same as in the eleventh and twelfth embodiments. The thirteenth embodiment is configured as a so-called smart phone having a large screen 205 having a GUI function, based on an integrated mobile phone having no moving parts, similar to the eleventh and twelfth embodiments. Has been. And since there are many common points in the structure, the same number is attached | subjected to a corresponding part and Example 12 is abbreviate | omitted. It should be noted that in the thirteenth embodiment as in the eleventh and twelfth embodiments, the “upper portion” does not mean the separated upper portion, but means the upper portion of the integral structure.

In Example 13, in the state of FIG. 24A, the cartilage conduction vibration part 1226 and the transmission part 1223 are arranged on the right side as viewed in FIG. It is the same composition as. However, when the display unit 205 is visible as shown in FIG. 24, the cartilage conduction vibration unit 1126 is applied to the tragus of the left ear. In order to place the cartilage conduction vibration unit 1126 on the tragus of the right ear, the mobile phone 1201 is turned over so that the soft cartilage conduction vibration unit 1126 faces the left ear.

Example 13 is different from Example 12 in that a transmission / reception unit 1281 including a cartilage conduction vibration unit 1226 and a transmission unit 1223 can be separated from the mobile phone 1201 as shown in FIG. The transmission / reception unit 1281 can be detached from the cellular phone 1201 by operating the attachment / detachment lock button 1283. The transmission / reception unit 1281 further includes a cartilage conduction vibration unit 1226 including a power supply unit, a control unit 1239 for the transmission unit 1223, and a transmission / reception operation unit 1209. The handset unit 1281 is also. A user has a short-range communication unit 1287 such as Bluetooth (registered trademark) capable of wirelessly communicating with the mobile phone 1201 by radio waves 1285, and the user's voice picked up from the transmission unit 1223 and the ear contact of the cartilage conduction vibration unit 1226 The state information is transmitted to the mobile phone 1201, and the cartilage conduction vibration unit 1226 is vibrated based on the audio information received from the mobile phone 1201.

  The transmitter / receiver unit 1281 separated as described above functions as a pencil-type transmitter / receiver unit, and can communicate by freely holding the cartilage conduction vibration part 1226 and contacting the tragus of the right ear or the left ear. is there. Moreover, the ear plug bone conductive effect can also be obtained by increasing the contact pressure to the tragus. In addition, the transmitter / receiver unit 1281 in a separated state can hear sound by cartilage conduction, regardless of which surface or tip of the cartilage conduction vibration part 1226 around the long axis is applied to the ear. Further, the transmission / reception unit 1281 is usually housed in the mobile phone 1201 as shown in FIG. 24A and separated as shown in FIG. 24B, as well as in FIG. 24B. In the separated state, for example, the cellular phone 1201 is stored in an inner pocket or a bag, and the transmission / reception unit 1281 is inserted in the outer pocket of the chest like a pencil, and operations and calls at the time of outgoing and incoming calls are transmitted and received. Usage such as that performed only by the unit 1281 is also possible. The cartilage conduction vibration unit 1226 can also function as an incoming vibrator.

  The pencil-type transmission / reception unit 1281 as in the thirteenth embodiment is not limited to a combination with a dedicated mobile phone 1201 having a storage unit. For example, it can be configured as an accessory of a general mobile phone having a short-range communication function such as Bluetooth (trademark).

  FIG. 25 is a perspective view showing Example 14 of the mobile phone according to the embodiment of the present invention. 25A shows a state in which a transmission / reception unit 1381 described later is housed in the mobile phone 1201, and FIG. 25B shows a state in which the transmission / reception unit 1281 is pulled out. In the mobile phone 1301 of the fourteenth embodiment, the cartilage conduction vibration portion 1326 is disposed on the side surface 1007 of the mobile phone 1301 in the state of FIG. This is the same as in the eleventh to thirteenth embodiments. In addition, the fourteenth embodiment is configured as a so-called smart phone having a large screen 205 having a GUI function, based on an integrated mobile phone having no moving parts, similar to the eleventh to thirteenth embodiments. Has been. And since there are many common points in the structure, the same number is attached | subjected to a corresponding part, and description is abbreviate | omitted. In the same manner as in the eleventh to thirteenth embodiments, in the fourteenth embodiment, the “upper portion” does not mean the separated upper portion, but means the upper portion of the integrated structure.

The configuration of the fourteenth embodiment is the same as that of the thirteenth embodiment shown in FIG. 24A in the state shown in FIG. The fourteenth embodiment differs from the thirteenth embodiment in that the transmission / reception unit 1381 communicates with the mobile phone 1301 not by radio but by wire as shown in FIG. The transmission / reception unit 1381 can be detached from the cellular phone 1301 by operating the detachment lock button 1283 in the same manner as in the thirteenth embodiment. In the transmission / reception unit 1381, a cable 1339 is connected between the cartilage conduction vibration unit 1326 and the transmission unit 1323 and between the transmission unit 1323 and the mobile phone 1301. 25A, the portion of the cable 1339 between the cartilage conduction vibration portion 1326 and the transmitter portion 1323 is stored in the groove of the side surface 1007, and the transmitter portion 1323 is The part between the mobile phones 1301 is automatically wound inside the mobile phone 1301 by a spring when the transmitter 1323 is accommodated. Note that the transmitter unit 1323 is provided with a remote control operation unit for operations at the time of outgoing and incoming calls. As described above, in the fourteenth embodiment, the user's voice picked up from the transmitter 1323 and the information on the contact state of the cartilage conduction vibration unit 1326 with the ear are transmitted to the mobile phone 1301 by wire, and the mobile phone. Based on the voice information received from the telephone 1301 by wire, the cartilage conduction vibration unit 1326 is vibrated.

The transmitter / receiver unit 1381 drawn out as shown in FIG. 25B is used by being hooked on the lower cartilage at the entrance to the ear canal so that the portion of the cartilage conduction vibrating portion 1326 touches the tragus. In this state, since the transmitter 1323 is located near the mouth, the user's voice can be picked up. In addition, it is also possible to obtain the ear plug bone conductive effect by increasing the contact pressure to the tragus by holding the cartilage conduction vibration part 1326. Further, the transmission / reception unit 1381 is usually housed in the mobile phone 1301 as shown in FIG. 25A and used as shown in FIG. With the receiving unit 1381 pulled out, for example, the mobile phone 1301 can be stored in an inner pocket or the like, and the cartilage conduction vibration portion 1326 of the transmitting / receiving unit 1381 can be kept hooked on the ear. It should be noted that the cartilage conduction vibrating portion 1326 can also function as an incoming vibrator in the same manner as in the thirteenth embodiment.

  The wired earphone-type transmission / reception unit 1381 as in the fourteenth embodiment is not limited to being configured in combination with the dedicated mobile phone 1301 having the storage unit. For example, it can be configured as an accessory of a general mobile phone having an external earphone / microphone connection terminal.

  The various features shown in the above embodiments are not necessarily specific to each embodiment, and the features of each embodiment are appropriately different from those of other embodiments as long as the advantages can be utilized. They can be combined or rearranged.

The present invention can be applied to a mobile phone.

205 Display surface 1007 Side surface 1024, 1026, 1124, 1226, 1326 Cartilage conduction vibration unit 1023, 1123, 1223, 1323 Transmitting unit 1281, 1381 Transceiving unit 1181 Holding auxiliary unit 1025, 1124, 1226, 1326 Detection unit 239, 41 Display control unit 1201, 1301 Mobile phone main body 1287, 1339 Communication unit 1287 Short-range wireless communication unit 1339 Cable

Claims (6)

And the front having a display unit, and both sides with respect to the positive side, and a top surface for said front and vibration conductor reaching the side surfaces provided on the upper surface to avoid the front of the vibration conductor and a cartilage conduction vibration source in contact with the central subordinate unit, be a cartilage conduction vibration portion that can contact the ear cartilage both ends thereof by transmitting the vibration of the cartilage conduction vibration source laterally by the vibration conductor A mobile phone featuring. 2. The mobile phone according to claim 1, wherein one of the cartilage conduction vibration portions is for contact with a right ear cartilage and the other is for contact with a left ear . It said common to have a feed story part used, characterized in claim 1 or 2 mobile phone according even when either of the cartilage conduction vibration unit is used. A detection unit that detects that the cartilage conduction vibration unit is in contact with the ear cartilage, and a display control unit that changes the display of the display unit to a privacy protection display based on the detection of the detection unit. The mobile phone according to any one of claims 1 to 3 . 5. The mobile phone according to claim 4, wherein the privacy protection display is a predetermined display that does not include privacy information. 6. The mobile phone according to claim 4, wherein the display unit is turned on during the privacy protection display, and the display unit is turned off when detection by the detection unit continues for a predetermined time or more.