JP3907516B2 - Mobile phone - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a foldable mobile phone that wirelessly transmits and receives communication information such as voice and images, and more particularly to a mobile phone capable of making a call even when a main body is folded.
[0002]
[Prior art]
A conventional foldable mobile phone generally has a main body in which a first casing forming a lid and a second casing forming a base are foldably connected to each other via a hinge portion at one end. Is formed, and on the inner surface of the first casing, information such as a main receiver (hereinafter, sometimes referred to as “first receiver”) that emits the received voice, e-mail, and an image is displayed. A main display (hereinafter may be referred to as a “second display unit”) is provided, and an inner surface of the second casing has a transmitter unit for receiving voice from the user and an operation including a plurality of input keys. Etc. are provided. According to this mobile phone, the user can carry the body compactly while protecting the second display unit and the operation unit while carrying the mobile phone, while opening the main unit during a call and opening the first receiver unit or transmitting voice. The part can be exposed and can talk.
[0003]
However, while a call using a conventional mobile phone is performed with the main body opened as described above, it may be advantageous if the call can be made in a folded state. For example, when the user places a mobile phone on a desk or the like and makes a hands-free call, in that case, if the main body is opened and left unattended, the posture is unstable due to the center of gravity, and the main body is opened once. Can be annoying to the user. Therefore, it can be said that there is a strong demand for making a call while the main body is folded from the viewpoint of stabilizing the standing posture and facilitating the operation.
[0004]
In response to this demand, for example, in Japanese Patent Application Laid-Open No. 2001-212241, the transmitter is disposed at the other end of the second casing so that a part of the transmitter is exposed to the outside in a folded state. In the above, an auxiliary receiver (hereinafter sometimes referred to as “second receiver”) is provided separately from the first receiver on the back surface of the first housing, and the main body is folded. Then, a telephone call is made between the transmitter and the second receiver. Therefore, it can be said that the mobile phone according to this publication can meet the above-mentioned demands.
[0005]
[Problems to be solved by the invention]
However, in the mobile phone according to the above publication, since the transmitter is disposed at the other end of the second casing so that a part of the transmitter is exposed to the outside with the main body folded, the arrangement of the transmitter is not provided. In order to secure the installation space, the other end of the second housing must protrude beyond the other end of the first housing. In other words, since the second casing is expanded, the compactness, which is a feature of a foldable mobile phone, is lost, and the shape of the mobile phone as a whole is also restricted, so that the degree of freedom in external design is reduced. The problem of becoming smaller arises.
[0006]
Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide a mobile phone capable of making a call even when the main body is folded without impairing the compactness and the freedom of external design. It is what.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, in the mobile phone according to the present invention, a first casing forming a lid and a second casing forming a base are connected to each other so as to be foldable and folded. In the mobile phone in which the other ends coincide with each other, an opening opening toward the inner surface is formed at the other end of the second casing, and the opening protrudes from the other end of the second casing into the opening. A movable housing accommodated therein, and a first receiver and a second receiver are provided on an inner surface of the first housing and a rear surface of the second housing, respectively. transmitter section is provided on an inner surface, the first, the call opened the second housing, the left movable housing is accommodated the transmission section and the first receiver portion work, the first, the call folded a second housing, wherein said mouthpiece wherein the movable housing projects And 2 of the receiver section is adapted to the work. As a result, the first and second housings are folded so that the back surface of the second housing is in contact with the desk or the like, and the voice from the user is received by the transmitter, and the received voice is A call can be made hands-free by being emitted from the receiver 2 and reverberating on a desk or the like.
[0008]
Here, it is convenient if the call can be started and ended with the first and second housings folded, so that the side or back of the first housing or the side of the second housing can be used. It is preferable that an off-hook key and an on-hook key are provided, and a call between the transmitter and the second receiver is started / terminated by operating the off-hook key and the on-hook key.
[0009]
Furthermore, if the volume emitted from the second receiver can be adjusted with the first and second casings folded, the first casing can be easily dealt with according to the degree of noise from around the mobile phone. An up / down key is provided on the side surface or the back surface of the second casing or the side surface of the second casing, and the volume of the second receiver is adjusted by operating the up / down key. It is preferable.
[0010]
Furthermore, since it is convenient if the other party can be specified at the time of incoming call with the first and second casings folded, a first display section is provided on the back of the first casing, and the first display section It is preferable that incoming call information is displayed when an incoming call is received.
[0011]
In addition, if the first and second housings are folded and the other party can be searched and specified when making a call, reliable transmission can be performed. Therefore, a first display unit is provided on the back of the first housing. The first display section preferably displays transmission information selected by operating the up / down key at the time of transmission.
[0012]
In addition, if the mobile phone is provided with a shooting function, an image captured by the user can be used as communication information as it is. Therefore, a second display unit is provided on the inner surface of the first casing, and the first display It is preferable that a camera unit including an optical system and an image sensor is provided on the rear surface of the housing, and an image captured by the camera unit is displayed on the second display unit.
[0013]
In addition, for the purpose of enabling the movable housing to automatically project and enter, a rack is provided in the movable housing, and a drive motor having a pinion gear that meshes with the rack is provided in the second housing. In addition, it is preferable that the movable housing protrudes by driving the drive motor.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an external view showing a state in which a main body is opened in a mobile phone of the present invention, in which FIG. 1 (a) is a side view, FIG. 1 (b) is a view as seen from an arrow A in FIG. The figure B (c) shows the B arrow figure of the figure (a). FIGS. 2A and 2B are external views showing a state in which the movable housing is housed in a state in which the main body is folded in the mobile phone. FIG. 2A is a side view, and FIG. FIG. 8C is a view taken in the direction of the arrow C, and FIG. Further, FIG. 3 is an external view showing a state in which the movable housing protrudes in a state in which the main body is folded in the cellular phone, wherein FIG. 3 (a) is a side view and FIG. 3 (b) is the same figure (a). FIG. 8E is a view taken in the direction of arrow E, and FIG. FIG. 4 is a longitudinal sectional view of the other end portion of the second casing showing the protruding mechanism of the movable casing. In addition, the same code | symbol is attached | subjected to the part of the same name in FIGS.
[0015]
As shown in FIGS. 1 to 3, the mobile phone main body is composed of a first housing 1 that forms a lid and a second housing 2 that forms a base, and one end of each is interposed via a hinge portion 3. It is connected. That is, the first housing 1 is rotated around the hinge portion 3 with respect to the second housing 2, and the main body is folded so that the other ends overlap each other (FIG. 2, 3) and the other main body opened (see FIG. 1).
[0016]
As shown in FIG. 1B, the inner surface of the first housing 1 (the surface that comes into contact with the second housing 2 when the main body is folded), that is, the front surface when talking with the main body open. In the surface, a main display 11 (hereinafter sometimes referred to as a “second display unit”) composed of a liquid crystal panel or the like is provided at the center, and a main speaker 51 that emits received sound is incorporated at the other end. An open / close detection switch 8 for detecting the opening / closing of the main body, i.e., the opened state and the folded state of the main body, is disposed in the vicinity of the hinge portion 3. The main display 11 displays the date and time, various messages, the telephone number and name of the other party at the time of incoming and outgoing calls, e-mail and image information, or an image taken by the camera unit 14 to be described later.
[0017]
On the other hand, on the inner surface of the second housing 2 (the surface that comes into contact with the inner surface of the first housing 1 when the main body is folded), a main off-hook key 21 and a main on-hook key are provided as main operation units including a plurality of input keys. 22, a plurality of numeric keys 23, and a navigation key 24 are disposed, and an opening 20 that opens toward the inner surface is formed at the other end. In the opening 20, as will be described in detail later, a movable casing 9 that can protrude from the other end of the second casing 2 is housed. On the inner surface of the movable casing 9, voice from the user is stored. A transmitter 6 having a built-in microphone 61 is disposed.
[0018]
Here, the main off-hook key 21 starts a call between the first receiver 5 and the transmitter 6, the main on-hook key 22 ends the call, and the navigation key 24 is displayed on the main display 11 when making a call. It has a function of searching for the other party, and displaying a photographed image by the camera unit 14 to be described later.
[0019]
Also, as shown in FIGS. 1C, 2B, and 3B, the back surface of the first housing 1, that is, the surface that becomes the back surface when making a call with the main body open (the main body The auxiliary display 12 (hereinafter sometimes referred to as the “first display section”) made up of a liquid crystal panel, etc., is flashed when an incoming call is received, and the incoming call is notified. An incoming call notification LED 13 is provided, and a camera unit 14 in which an image pickup device for taking a digital image and a lens for a digital camera are incorporated is provided. The auxiliary display 12 displays the telephone number or name of the other party at the time of incoming call or outgoing call. Note that a rod-like antenna 4 that can be protruded is disposed at the other end of the first housing 1.
[0020]
On the other hand, the back surface of the second housing 2, that is, the surface that becomes the back surface when talking in a state where the main body is opened and folded, is shown in FIGS. 1 (c), 2 (c) and 3 (c). As shown in FIG. 2, a second receiver 7 having a built-in auxiliary speaker 71 is provided. The second receiver 7 has a function of emitting the received voice and also functions as a ringer that emits a ring tone when an incoming call is received.
[0021]
Further, as shown in FIGS. 1A, 2A, and 3A, an auxiliary off-hook key is provided on the side surface of the second housing 2 as an auxiliary operation unit including a plurality of input keys. 25, an auxiliary on-hook key 26, and an up / down key 27 are provided. Therefore, these keys are always exposed to the outside, and can be operated even when the main body is folded.
[0022]
Here, the auxiliary off-hook key 25 drives a driving motor 93 to be described later to project the movable housing 9 or starts a call between the second receiving unit 7 and the transmitting unit 6. 26 terminates the call, or drives a drive motor 93 to be described later to house the movable housing 9, and the up / down key 27 searches for the other party displayed on the auxiliary display 12 when making a call. Or adjusting the volume of sound emitted from the second receiver 7.
[0023]
Next, details of the protruding mechanism of the movable housing 9 will be described with reference to FIG. A rack 91 is provided on the back surface of the movable casing 9, and a drive motor 93 having a pinion gear 92 on the rotating shaft is disposed in the second casing 2 (opening 20). The pinion gear 92 and the rack 91 meshes. Accordingly, when the pinion gear 92 is rotated by driving the drive motor 93, the rack 91 slides accordingly, so that the movable casing 9 protrudes from the other end of the second casing 2 and is stored. The state (see FIG. 2) and the other protruding state (see FIG. 3) can be taken. Here, in a state where the movable housing 9 protrudes, the transmitter 6 is in a position to be exposed to the outside. The microphone 61 is connected to a circuit board (not shown) having an audio signal processing unit provided in the second housing 2 via a lead wire 62, and the lead wire 62 is connected to the movable housing 9. It is flexible so as to allow the protruding and moving movement.
[0024]
Under such a configuration, when it is detected by the open / close detection switch 8 that the main body is folded, the auxiliary off-hook key 25, the auxiliary on-hook key 26, and the up / down key 27 can be operated. When the auxiliary off-hook key 25 is pressed, the drive motor 93 is driven and the movable housing 9 protrudes, and a call between the transmitter 6 and the second receiver 7 is started. Thereafter, when the auxiliary on-hook key 26 is pressed, the call is terminated and the drive motor 93 is driven to store the movable housing 9.
[0025]
On the other hand, when it is detected by the open / close detection switch 8 that the main body is opened, the main off-hook key 21, the main on-hook key 22, the numeric keypad 23 and the navigation key 24 are switched to the operable state, and the transmission is performed. The unit 6 and the first receiving unit 5 are switched to a state in which a call can be made, and the call is started by pressing the main off-hook key 21, and then the call is ended by pressing the main on-hook key 22. Note that shooting by the camera unit 14 is also performed in this state where the main body is opened.
[0026]
Next, how a call is actually performed with such a mobile phone will be described below. First, as shown in FIG. 2, when there is an incoming call with the main body folded, the incoming call notification LED 13 blinks and the second receiver 7 (auxiliary speaker 71) emits a ring tone as a ringer to notify the incoming call. . In addition, the telephone number and name of the other party are displayed on the auxiliary display 12, and the user recognizes the other party.
[0027]
Here, when the user wants to talk while holding the main body, the main body is opened as shown in FIG. In response to this, it is detected by the open / close detection switch 8 that the main body is in an open state, and the state is switched to a state in which a call can be made between the transmitter 6 and the first receiver 5. At that time, the second receiver 7 and the auxiliary display 22 are in a standby state. When the main off-hook key 21 is pressed, the line is opened and the call is started. After that, when the main on-hook key 22 is pressed, the line is disconnected and the call is ended.
[0028]
On the other hand, when the user wants to make a hand-free call, pressing the auxiliary off-hook key 25 with the main body folded, the transmitter 6 together with the movable housing 9 can be operated as shown in FIG. It protrudes from the other end of the second casing 2, and a line is opened by the transmitter 6 and the second receiver 7 to start a call. At that time, the second receiving unit 7 automatically switches from the ringer function to the receiving function. Then, the user leaves the second housing 2 so that the back surface of the second housing 2 is in contact with the desk or the like, and the voice from the user is received by the transmitter 6, and the received voice is emitted from the second receiver 7. A call is made by echoing on a desk or the like.
[0029]
In the case of this hands-free call, when it becomes difficult to hear due to noise from the surroundings of the mobile phone, the volume emitted from the second receiver 7 is adjusted appropriately by operating the up / down key 27. Thereafter, when the auxiliary on-hook key 26 is pressed, the line is disconnected and the call is terminated, and the movable casing 9 is accommodated in the second casing 2.
[0030]
Also, when a hands-free call is made by making a call while the main body is folded, the telephone number or name of the other party registered in the mobile phone is displayed on the auxiliary display 12 and scrolled by the up / down key 27. By searching and specifying, and then depressing the auxiliary off-hook key 25, the other party is surely specified and a call is performed as in the case of the incoming call.
[0031]
In this way, a stable hands-free call can be performed in a folded state as well as in a state where the mobile phone body is opened. Moreover, when the portable housing 9 is carried, the folded first housing 1 and the second housing 2 coincide with each other at the other end, so that the compactness and the degree of freedom of external design are impaired. There is nothing.
[0032]
In addition, this invention is not limited to said embodiment, A various change is possible in the range which does not deviate from the meaning of this invention. For example, the auxiliary off-hook key 25, the auxiliary on-hook key 26, and the up / down key 27 are arranged on the side surface of the second housing 2 in the above embodiment, but the side surface of the first housing 1 or Even if it is arranged on the back, it does not hinder the operation with the main body folded. Further, the protrusion and insertion mechanism of the movable housing 9 is not limited to the above embodiment, and the rack 91, the pinion gear 92, and the drive motor 93 are excluded, and as an alternative, grooves that are slidably engaged with each other. And the protrusions may be provided on the movable casing 9 and the second casing 2 and operated manually.
[0033]
【The invention's effect】
As described above, according to the present invention, the first casing that forms the lid and the second casing that forms the base are connected to each other so as to be foldable, and each other in the folded state. In the mobile phone having the same end, an opening opening toward the inner surface is formed at the other end of the second casing, and the opening is accommodated in the opening so as to protrude from the other end of the second casing. And a first receiver and a second receiver are provided on the inner surface of the first housing and the rear surface of the second housing, respectively. In a call with the first and second housings opened, the transmitter and the first receiver work while the movable housing is stored, and the first receiver 1, the call folded a second housing, said movable housing is projected to the transmission section and the second receiving portion is working Since so as to, first, the rear left folded second housing second casing is left in contact with the desk or the like, together with audio from the user is received by the transmitter section, receiver The received voice is emitted from the second receiver unit and reverberated on the desk or the like, so that hands-free communication can be performed. Moreover, when the mobile phone is carried, the other ends of the first and second housings folded by storing the movable housing coincide with each other, so that the compactness and the degree of freedom in external design are not impaired.
[0034]
Here, an off-hook key and an on-hook key are provided on a side surface or a back surface of the first housing or a side surface of the second housing, and the transmitter unit and the If the call with the second receiver is started / finished, it is convenient to start and end the call with the first and second housings folded.
[0035]
Further, an up / down key is provided on the side surface or back surface of the first housing or the side surface of the second housing, and the volume of the second receiver is increased by operating the up / down key. When adjusted, the volume of sound emitted from the second receiver can be adjusted while the first and second housings are folded, so it is easy to adjust according to the degree of noise from the surroundings of the mobile phone. Can be dealt with.
[0036]
Further, a first display section is provided on the back surface of the first casing, and when the incoming call information is displayed on the first display section when an incoming call is received, the first and second It is convenient that the other party can be specified at the time of an incoming call while the case is folded.
[0037]
In addition, a first display unit is provided on the rear surface of the first casing, and the first display unit displays transmission information selected by operating the up / down key at the time of transmission. If the first and second housings are folded, the other party can be searched and specified at the time of transmission, so that reliable transmission can be performed.
[0038]
In addition, a second display unit is provided on the inner surface of the first casing, and a camera unit including an optical system and an imaging element is provided on the back surface of the first casing. If the image is displayed on the second display unit, the image captured by the user can be used as communication information as it is, which is useful.
[0039]
The movable casing is provided with a rack, and the second casing is provided with a drive motor having a pinion gear that meshes with the rack. The movable casing protrudes by driving of the drive motor. If it becomes, it will become possible to perform the operation | movement of protrusion of a movable housing | casing automatically.
[Brief description of the drawings]
FIG. 1 is an external view showing a state in which a main body is opened in a mobile phone of the present invention.
FIG. 2 is an external view showing a state in which a movable housing is housed in a state in which a main body is folded in a mobile phone of the present invention.
FIG. 3 is an external view showing a state in which a movable housing protrudes in a state where the main body is folded in the mobile phone of the present invention.
FIG. 4 is a vertical cross-sectional view of the other end of the second casing showing the protruding mechanism of the movable casing.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 1st housing | casing 2 2nd housing | casing 3 Hinge part 4 Antenna 5 1st receiving part 6 Transmitting part 7 2nd receiving part 8 Opening / closing detection switch 9 Movable casing 11 Main display (2nd display part) )
12 Auxiliary display (first display)
13 Incoming call notification LED
14 Camera unit 20 Opening 21 Main off-hook key 22 Main on-hook key 23 Numeric keypad 24 Navigation key 25 Auxiliary off-hook key 26 Auxiliary on-hook key 27 Up / down key 51 Main speaker 61 Microphone 62 Lead wire 71 Auxiliary speaker 91 Rack 92 Pinion gear 93 Drive motor

Claims (7)

In the mobile phone in which the first casing that forms the lid and the second casing that forms the base are connected to each other so as to be foldable, and the other ends coincide with each other in the folded state.
An opening that opens toward the inner surface is formed at the other end of the second casing, and a movable casing that is housed in the opening so as to protrude from the other end of the second casing.
A first receiver and a second receiver are provided on the inner surface of the first housing and the rear surface of the second housing, respectively, and a transmitter is provided on the inner surface of the movable housing;
In a call with the first and second housings open, the transmitter and the first receiver work while the movable housing is housed, and the first and second housings. The mobile phone is characterized in that, in a call in a folded state, the movable casing protrudes and the transmitting section and the second receiving section work . An off-hook key and an on-hook key are provided on the side surface or the back surface of the first housing or the side surface of the second housing. The operation of the off-hook key and the on-hook key causes the transmitter and the second hook to operate. The mobile phone according to claim 1, wherein a call with the receiver is started / finished. An up / down key is provided on the side surface or back surface of the first housing or the side surface of the second housing, and the volume of the second receiver is adjusted by operating the up / down key. The mobile phone according to claim 2. 4. The mobile phone according to claim 2, wherein a first display unit is provided on a back surface of the first housing, and incoming information is displayed on the first display unit when an incoming call is received. Phone. A first display unit is provided on the back surface of the first casing, and the first display unit displays transmission information selected by operating the up / down key at the time of transmission. The mobile phone according to claim 3. A second display unit is provided on the inner surface of the first casing, and a camera unit including an optical system and an imaging device is provided on the back surface of the first casing, and an image taken by the camera unit. Is displayed on the second display unit. The mobile phone according to any one of claims 1 to 5, wherein: A rack is provided in the movable casing, and a drive motor having a pinion gear that meshes with the rack is provided in the second casing, and the movable casing protrudes by driving of the drive motor. A mobile phone according to any one of claims 1 to 6.

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