JP4563299B2 - COMMUNICATION TERMINAL DEVICE, CRADLE DEVICE, AND SOUND DEVICE - Google Patents

Description

  The present invention relates to a communication terminal device such as a mobile phone or a cordless telephone handset, a cradle device on which the communication terminal device is placed, and an acoustic device including the communication terminal device and the cradle device.

A technique for placing a communication terminal device such as a mobile phone on a cradle device is known. As a cradle device, for example, a device having a function of charging a mobile phone is widely used. Patent Document 1 discloses a technique in which a speaker is mounted on a cradle device and an acoustic signal from a mobile phone is reproduced by the speaker while the mobile phone is being charged.
JP 2003-32351 A

  However, when the communication terminal device is placed on the cradle device, if the antenna of the communication terminal device comes close to the speaker of the cradle device, the antenna gain decreases due to the influence of a metal object arranged on the speaker.

  An object of the present invention is to provide a communication terminal device, a cradle device, and an acoustic device that can suppress the influence of the speaker of the cradle device on the antenna gain of the communication terminal device.

  The communication terminal device of the present invention includes a housing that can be disposed in a predetermined positional relationship with respect to a speaker that converts and outputs an acoustic signal, the housing is disposed in the housing, and the housing is disposed in the predetermined space with respect to the speaker. And an acoustic output means capable of outputting the acoustic signal to the speaker and a communication antenna disposed in the casing, wherein the casing includes the casing. When arranged in the predetermined positional relationship with respect to the speaker, it is arranged in a position away from the speaker in the housing.

  Preferably, the casing includes a first casing and a second casing connected to the first casing so as to be openable and closable, and the first casing is in an open state and a closed state. In any of the states, the antenna can be arranged in the predetermined positional relationship with respect to the speaker, and the antenna is arranged in the first casing.

  Preferably, the casing includes: a first casing that can be disposed in the predetermined positional relationship with respect to the speaker; and a second casing that is connected to the first casing so as to be openable and closable. And the second casing can be opened and closed in a state where the first casing is arranged in the predetermined positional relationship, and the antenna includes the first casing out of the second casing. It is arranged at a part where the position with respect to the speaker changes with the opening and closing in a state of being arranged in a predetermined positional relationship.

  Preferably, the antenna is arranged at a vertical position different from a vertical arrangement position of the speaker in a state where the casing is arranged in the predetermined positional relationship.

  Preferably, the casing includes: a first casing that can be disposed in the predetermined positional relationship with respect to the speaker; and a second casing that is connected to the first casing so as to be openable and closable. And the second casing can be opened and closed in a state where the first casing is arranged in the predetermined positional relationship, and the antenna includes the first casing out of the second casing. It is arranged at a position where the position in the vertical direction with respect to the speaker changes with the opening and closing in a state of being arranged in a predetermined positional relationship.

  The cradle device of the present invention includes a mounting unit on which a housing of a communication terminal device including an antenna is mounted, and a speaker that outputs sound according to an acoustic signal input by the communication terminal device, The speaker is disposed at a position separated from the antenna in a state where the casing is mounted on the mounting portion.

  Preferably, the speaker is arranged at a vertical position different from a vertical arrangement position of the antenna when the casing is placed on the mounting portion.

  An audio device according to the present invention includes a housing, an antenna disposed in the housing, a communication terminal device including a communication unit that performs communication via the antenna, and the housing of the communication terminal device. And a cradle device having a speaker that outputs sound according to an acoustic signal input by the communication terminal device, the speaker being located at a position away from the antenna in the cradle device. It is arranged so that the antenna is arranged at a position away from the speaker in the housing.

  ADVANTAGE OF THE INVENTION According to this invention, the influence which the speaker of a cradle apparatus has on the antenna gain of a communication terminal device can be suppressed.

(First embodiment)
FIG. 1 is a plan view partially including a perspective view showing the mobile phone 2 and the cradle device 3 according to the first embodiment of the present invention. FIG. 1 (a) shows the cradle device 3, and FIG. FIG. 1B shows the mobile phone 2 in the closed state, and FIG. 1C shows the mobile phone 2 in the open state.

  FIG. 2 is a plan view including a perspective view partially showing a state in which the mobile phone 2 is placed on the cradle device 3. FIG. 2 (a) shows a case where the mobile phone 2 is closed. b) shows a case where the cellular phone 2 is opened.

  3 is a side view including a perspective view partially showing a state where the mobile phone 2 is placed on the cradle device 3. FIG. 3A shows a case where the mobile phone 2 is in a closed state. b) shows a case where the cellular phone 2 is opened.

  Note that the acoustic device 1 is configured by a combination of the mobile phone 2 and the cradle device 3.

  The mobile phone 2 is configured as a so-called foldable mobile phone, and includes a receiving housing (second housing) 5 and a transmitting housing (first housing) 6. The receiving case 5 and the sending case 6 are connected to each other by a connecting part 7, and the mobile phone 2 can be opened and closed with the connecting part 7 as a center of rotation. The reception case 5 and the transmission case 6 are each formed in a substantially thin rectangular parallelepiped shape, are overlapped with each other in the closed state, and the outlines of the reception case 5 and the transmission case 6 substantially coincide with each other when viewed from the other case side. It is like that.

  The receiving case 5 is formed in a substantially thin rectangular parallelepiped shape by resin, for example. The receiving case 5 is provided with a display unit 9 for displaying an image on a facing surface facing the transmitting case 6 in the closed state. The display unit 9 is configured by, for example, a liquid crystal display. In addition, the receiving case 5 is provided with a speaker 39 for calling (see FIG. 4), and the sound outlet 10 of the speaker is provided on the opposite surface.

  The transmitter case 6 is formed in a substantially thin rectangular parallelepiped shape, for example, with resin. The transmitter case 6 includes an operation unit 12 that accepts user operations, a main antenna 13 and a sub-antenna 14 that transmit and receive radio waves, a speaker 15 that outputs notification sounds, and a microphone 35 for calling (see FIG. 4). A sound guide hole 16 of the microphone 35 is provided.

  The main antenna 13 is built in the end of the transmitting housing 6 opposite to the connecting portion 7. The sub-antenna 14 is built in the transmitter case 6 on the side surface side of the transmitter case 6 and between the center of the transmitter case 6 and the main antenna 13. The main antenna 13 and the sub antenna 14 are configured as diversity antennas. For example, the main antenna 13 is used for transmission / reception, mail transmission / reception, etc., and is always used. The sub-antenna 14 is used together with the main antenna 13 when data communication other than during a voice call is performed, such as when downloading and playing music.

  The speaker 15 is built in the end of the transmitter case 6 on the side of the connecting portion 7, and two speakers 15 are provided on the side of the transmitter case 6. At the end of the transmitter housing 6 on the side of the connecting portion 7, an opening is made on the surface opposite to the surface facing the receiver housing 5 (surface facing the cradle device), and the sound output from the speaker 15 is released. A sound emission hole 17 is provided. The speaker 15 is used, for example, for outputting a notification sound for notifying an incoming call or an erroneous operation, outputting a voice of a call partner when making a call using a hands-free function, and outputting a sound for music or movie playback.

  The cradle device 3 includes a housing 18, a cord 19 for supplying power to the cradle device 3, charging terminals 20, 21 for electrically connecting the cradle device 3 and the mobile phone 2, and an acoustic signal terminal ( An input unit) 22 and a speaker 23 that outputs sound based on the sound signal input from the mobile phone 2.

  The housing 18 includes, for example, a lower cover 18a that is placed on a desk or the like, and an upper cover 18b that covers the lower cover 18a. The lower cover 18a and the upper cover 18b are made of resin, for example. The upper cover 18b is placed on the lower cover 18a so as to be inclined with respect to the surface on which the housing 18 is placed, and the housing 18 as a whole is placed on the surface (desk surface or the like) on which the housing 18 is placed. It is formed in the trapezoid shape which has the inclined surface 18c which inclines.

  On the upper surface of the housing 18, a recess (mounting portion) 25 for mounting the mobile phone 2 is formed. The recess 25 is provided on the lower side of the inclined surface 18c. The concave portion 25 is formed in a shape to which the transmitting housing 6 of the mobile phone 2 is fitted, and a bottom portion with which the back surface of the transmitting housing 6 abuts is a surface (desk surface or the like) on which the cradle device 3 is placed. ) To be inclined with respect to. The cellular phone 2 is placed on the cradle device 3 by fitting and inserting the transmitter case 6 into the recess 25 with the connecting portion 7 side facing the upper side of the inclined surface 18c.

  In addition, the arrangement position of the transmission casing 6 with respect to the casing 18 of the cradle device 3 is defined in the recess 25, and the arrangement position of the speaker 23 is fixed with respect to the casing 18 of the cradle apparatus 3. That is, the positional relationship of the transmission housing 6 with respect to the speaker 23 when the transmission housing 6 is placed in the recess 25 is constant, and this positional relationship is an example of the predetermined positional relationship of the present invention.

  As shown in FIGS. 3A and 3B, the depth of the recess 25 is substantially equal to or less than the thickness of the transmitter case 6. Therefore, even if the cellular phone 2 is opened and closed while the cellular phone 2 is placed in the recess 25, the periphery of the recess 25 of the inclined surface 18c does not contact the receiving housing 5, and the opening and closing of the cellular phone 2 is obstructed. I can't.

  The cord 19 extends from the housing 18, and a power plug (not shown) is provided at the tip thereof. When the power plug is inserted into a power receptacle for supplying power at a commercial frequency, power is supplied to the cradle device 3 via the cord 19.

  The charging terminals 20, 21 are provided so as to protrude from the bottom of the recess 25, and when the mobile phone 2 is fitted and inserted into the recess 25, the charging terminals 37 ( (See FIG. 4).

  The acoustic signal terminal 22 is provided so as to protrude from the bottom of the recess 25. Further, the charging terminals 20 and 21 are provided adjacent to each other. When the mobile phone 2 is fitted and inserted into the recess 25, the acoustic signal terminal 22 contacts and is connected to an acoustic signal terminal (output unit) 36 (see FIG. 4) provided in the transmitter case 6 of the mobile phone 2. The

  The speaker 23 is provided above the inclined surface 18c with respect to the recess 25. The speaker 23 is arranged so that the sound emitting surface faces the back surface of the inclined surface 18c (facing upward). The inclined surface 18c has a sound emitting surface for emitting sound output from the speaker 23. A sound hole 24 is provided.

  The mobile phone 2 is placed in the recess 25 with the connecting portion 7 facing the speaker 23, and the main antenna 13 and the sub-antenna 14 are provided on the end side opposite to the connecting portion 7. The antenna 13 and the sub-antenna 14 are arranged at positions away from the speaker 23 in the casing of the mobile phone 2.

  The speaker 23 is provided above the inclined surface 18c, and the main antenna 13 and the sub antenna 14 are provided below the inclined surface 18c. They are arranged at slightly lower positions (different positions) in the vertical direction.

  Note that only one of the main antenna 13 and the sub-antenna 14 may be arranged at a position away from the speaker 23 or at a position different from the arrangement position of the speaker 23 in the vertical direction.

  FIG. 4 is a block diagram showing the configuration of the signal processing system of the mobile phone 2 and the cradle device 3.

  The cellular phone 2 includes a control unit 31 that controls operations of various electronic elements, a communication processing unit (communication unit) 32 for performing wireless communication, and an acoustic processing unit (acoustic output unit) 33 that performs processing related to acoustic output. And a charging circuit 34. In addition to the above, the mobile phone 2 includes various means such as an image processing unit that converts the video data from the control unit 31 into a video signal and outputs the video signal to the display unit 9.

  The control unit 31 is configured by an IC including, for example, a CPU, ROM, RAM, and the like. The CPU executes a program recorded in the ROM, and based on a signal from the operation unit 12, the communication processing unit 32, acoustic It controls the operation of the processing unit 33 and the like.

  The communication processing unit 32 includes a high frequency circuit, and performs wireless communication using radio waves. Specifically, the communication processing unit 32 modulates various data such as acoustic data and image data processed by the control unit 31 and transmits the data via the main antenna 13. In addition, the communication processing unit 32 demodulates a signal received via the main antenna 13 and the sub antenna 14 and outputs the demodulated signal to the control unit 31 and the like.

  The acoustic processing unit 33 mixes and amplifies the acoustic signal from the microphone 35, the acoustic signal based on the music data stored in the external storage device, and the like, and the speaker 15 for calling and the speaker 15 used for notification or the like. And output to the acoustic signal terminal 36.

  The charging circuit 34 converts the electric power supplied to the charging terminal 37 into electric power having an appropriate voltage and supplies the electric power to a battery 38 as a power source of the mobile phone 2. Further, charging (power supply) to the battery 38 is started or the charging is interrupted according to the charging state of the battery 38 or the like.

  The cradle device 3 includes an amplifier 51 and a charger (AC converter) 52. The amplifier 51 amplifies the acoustic signal input from the mobile phone 2 via the acoustic signal terminal 22 and outputs the amplified acoustic signal to the speaker 23. The charger 52 converts the commercial frequency alternating current supplied via the cord 19 into a direct current having an appropriate voltage and outputs the direct current to the charging terminals 20 and 21. The cradle device 3 may not have a charging function.

  In the mobile phone 2 and the cradle device 3 having the above configuration, the main antenna 13 and the sub antenna 14 are placed in the case of the mobile phone 2 when the transmitter case 6 is placed in the recess 25 of the cradle device 3. Since the cradle device 3 is disposed at a position away from the speaker 23, the influence of the speaker 23 on the antenna gain can be suppressed.

  The mobile phone 2 is configured so that the transmitter case 6 can be placed in the concave portion 25 of the cradle device 3 in both the open state and the closed state, and the main antenna 13 and the sub antenna 14 are mounted on the transmitter case 6. Since they are arranged, the main antenna 13 and the sub-antenna 14 are arranged at positions away from the speaker 23 of the cradle device 3 in both the open state and the closed state, and the influence on the antenna gain is suppressed.

  Since the main antenna 13 and the sub-antenna 14 are arranged in a vertical position different from the vertical arrangement position of the speaker 23 of the cradle device 3, the influence of the speaker 23 on the antenna gain in the horizontal direction is suppressed, and the speaker 23. On the directivity of the main antenna 13 and the sub-antenna 14 is suppressed, and it becomes easy to make the directivity uniform.

(Second Embodiment)
FIG. 5 is a side view including a perspective view partially showing the acoustic device 101 including the mobile phone 102 and the cradle device 3 according to the second embodiment of the present invention. In addition, about the structure similar to 1st Embodiment, the same code | symbol as 1st Embodiment is attached | subjected.

  In the second embodiment, the main antenna 113 and the sub antenna 114 are built in the end side opposite to the connecting portion 7 of the receiving housing 5. Therefore, the positions of the main antenna 113 and the sub antenna 114 with respect to the speaker 23 change with the opening / closing operation of the mobile phone 102. Specifically, the main antenna 113 and the sub-antenna 114 move on the circumference centering on the connecting portion 7, and the vertical position and the horizontal position with respect to the speaker 23 change.

  According to the second embodiment, as in the first embodiment, the main antenna 113 and the sub-antenna 114 are arranged in a position away from the speaker 23 in the casing of the mobile phone 102, and the antenna The influence on the gain can be suppressed.

  Furthermore, since the positions of the main antenna 113 and the sub antenna 114 can be changed in accordance with the opening / closing operation of the mobile phone 102, the main antenna 113 and the sub antenna 114 are positioned at arbitrary positions where the speaker 23 does not affect the gain. It becomes possible to make it.

  For example, by moving the receiving case 5 of the mobile phone 102 between the closed state and the open state, the vertical distance between the main antenna 113 and the sub antenna 114 and the speaker 23 is made larger than that in the closed state. Thus, the influence of the speaker 23 on the antenna gain can be suitably suppressed.

(Third embodiment)
FIG. 6 is a side view showing an acoustic device 201 including the mobile phone 102 and the cradle device 203 according to the third embodiment of the present invention. In addition, about the structure similar to 1st and 2nd embodiment, the same code | symbol as 1st and 2nd embodiment is attached | subjected.

  Similar to the second embodiment, the mobile phone 102 according to the third embodiment is provided with a main antenna 113 and a sub-antenna 114 in the receiver case 5 whose position with respect to the cradle device 203 changes as it is opened and closed. The position is the end portion on the opposite side to the connecting portion 7.

  On the other hand, the speaker 223 of the cradle device 203 is disposed below the inclined surface 218 c of the housing 218 of the cradle device 203. That is, the mobile phone 102 is located on the side opposite to the connecting portion 7.

  Therefore, as shown in FIG. 6A, in the closed state of the mobile phone 102, the main antenna 113 and the sub antenna 114 are arranged at positions relatively close to the speaker 223, while FIG. As shown, the main antenna 113 and the sub-antenna 114 are disposed at positions relatively distant from the speaker 223 when the cellular phone 102 is in the open state.

  According to the third embodiment, in the open state, the main antenna 113 and the sub-antenna 114 are arranged in a position away from the speaker 223 in the casing of the mobile phone 102. Similarly, the influence on the antenna gain can be suppressed.

  Further, the positions of the main antenna 113 and the sub antenna 114 can be changed in accordance with the opening / closing operation of the mobile phone 102, and the main antenna 213 is placed at a position where the speaker 223 does not affect the gain, as in the second embodiment. And the sub-antenna 214 can be positioned.

  Further, since the speaker 223 is disposed at a position away from the connecting portion 7, in the opened state, the main antenna 113 and the sub antenna 114 can be separated from the speaker 223 as compared with the second embodiment, and the speaker 223 is opened. The antenna gain in the state is improved as compared with the second embodiment. In addition, since the second embodiment also has an effect that a certain amount of antenna gain can be secured even in the closed state, the second embodiment and the second embodiment can be performed according to the expected frequency of use, demand, and the like. Any of the three embodiments may be adopted.

(Fourth embodiment)
FIG. 7 is a side view showing an acoustic device 301 including a mobile phone 302 and a cradle device 303 according to the fourth embodiment of the present invention.

  The mobile phone 302 is configured as a so-called straight-type mobile phone, and includes one housing 305 and an antenna 313 built in the lower end of the housing 305. The cradle device 303 includes a speaker 323 that outputs sound based on an acoustic signal from the mobile phone 302, and the speaker 323 is disposed on the upper side with respect to the antenna 313, and is positioned in the vertical direction. Is different.

  Also in the fourth embodiment, since the antenna 313 is disposed at a position away from the speaker 323 of the cradle device 303, the influence of the speaker 323 on the antenna gain can be suppressed as in the first embodiment. In particular, in the fourth embodiment, the antenna 313 and the speaker 323 are arranged such that the vertical distance between them is larger than that in the first embodiment, and the speaker 323 has a directivity of the antenna 313 in the horizontal direction. The effect on is more suppressed.

  The present invention is not limited to the above embodiment, and may be implemented in various aspects.

  It suffices that at least one of the speaker and the antenna is arranged and configured so that the antenna of the communication terminal device and the speaker of the cradle device are separated from each other. That is, the antenna may be arranged at a position away from the speaker in the casing of the communication terminal apparatus, or the speaker may be arranged at a position away from the antenna in the casing of the cradle apparatus.

  For example, the position away from the speaker (arrangement position of the antenna) in the housing of the communication terminal device is the communication if the speaker is located on one end side of the housing from the center of the housing of the communication terminal device. It is any position in the range from the center of the casing of the terminal device to the other end, preferably the other end. Further, if the speaker is located near the center of the casing of the communication terminal device, it is a position near one end and a position near the other end of the case of the communication terminal device, preferably at one end. And the other end. The same applies to the position of the cradle device away from the antenna (speaker placement position).

  If the communication terminal device can be opened and closed, it may be determined whether the speaker and the antenna are separated from each other based on the closed state, or whether the speaker and the antenna are separated from each other based on the opened state. It may be determined whether or not the speaker and the antenna are separated from each other based on both the open state and the closed state.

  The communication terminal device that can be opened and closed is not limited to a foldable type as long as the overlapping area of at least two housings changes. For example, a slide type in which two casings move in parallel with each other may be used, or a revolver type in which two casings slide while rotating with each other in the stacking direction.

  Of the second housing, the part where the position relative to the speaker changes with the opening and closing of the communication terminal device in a state where the first housing is placed on the cradle device is limited to the housing end opposite to the connecting portion. Not. When the first housing and the second housing are connected so as to be capable of relative rotation, the first housing and the second housing need only be located away from the rotation axis, and the first housing and the second housing are connected so as to be movable in parallel. Any part may be used.

  As long as the antenna of the communication terminal device is disposed at a position away from the speaker in the housing, the antenna may be built in the housing or may protrude outside the housing. .

1 is a front view including a perspective view of a part of a mobile phone and a cradle device according to a first embodiment of the present invention. FIG. 2 is a front view including a perspective view in part showing a state where the mobile phone of FIG. 1 is placed on a cradle device. FIG. 2 is a side view including a perspective view in part showing a state in which the mobile phone of FIG. The block diagram which shows the structure of the signal processing system of the mobile telephone and cradle apparatus of FIG. The side view including a perspective view in a part showing a cellular phone and a cradle device concerning a 2nd embodiment of the present invention. The side view including a perspective view in a part showing a cellular phone and a cradle device concerning a 3rd embodiment of the present invention. The side view including a perspective view in a part showing a cellular phone and a cradle device concerning a 4th embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 ... Portable terminal device, 3 ... Cradle apparatus, 5 ... Reception housing | casing, 6 ... Transmission housing | casing, 13 ... Main antenna, 23 ... Speaker, 36 ... Acoustic signal terminal (sound output means).

Claims (6)

The first casing and the second casing, whose ends are connected to each other by a connecting portion so as to be openable and closable, and the antenna disposed in the first casing or the second casing, and communicate via the antenna. A communication terminal device comprising a communication means;
A cradle device having a placement unit on which the first housing of the communication terminal device can be placed, and a first speaker that outputs sound according to an acoustic signal input by the communication terminal device;
With
The first housing can be placed on the placement section in either the open state or the closed state,
The first speaker is disposed at a position on the connecting portion side with respect to the first housing in a state where the first housing is placed on the placement portion.
The said antenna is arrange | positioned at the edge part on the opposite side to the said connection part of the said 1st housing | casing or a 2nd housing | casing. The acoustic device characterized by the above-mentioned. The antenna according to claim wherein the first housing in a state of being placed on the mounting section, characterized in that arranged in the vertical position different from the vertical position of the first speaker The acoustic device according to 1 . The antenna is disposed at an end of the second casing opposite to the connection section, and the first casing is placed on the mounting section in the vertical direction of the first speaker. The acoustic apparatus according to claim 1, wherein the acoustic apparatus is disposed at a position in a vertical direction different from the position where the first speaker is disposed, and a position in the vertical direction with respect to the first speaker is changed as the casing is opened and closed. The cradle device has the mounting portion described above, and has a third housing in which the first speaker is disposed,
The third housing is formed such that the first speaker side is thicker in the vertical direction than the side opposite to the first speaker so that the first housing can be inclined and supported so that the connecting portion side is on the upper side. And
The first speaker is disposed on the upper side of the third housing in the vertical direction.
The acoustic device according to any one of claims 1 to 3. The communication terminal device includes a first terminal disposed in the first casing and capable of outputting the acoustic signal,
The cradle device includes a second terminal that is disposed in the mounting portion and contacts the first terminal in a state where the first housing is mounted on the mounting portion.
The first terminal is disposed near the connecting portion in the first housing.
The acoustic device according to any one of claims 1 to 4. The communication terminal device includes a second speaker disposed near the coupling portion in the first housing.
The acoustic device according to any one of claims 1 to 5.

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