JP4890743B2 - Mobile phone equipment - Google Patents

Description

  The present invention relates to a mobile phone device, and more particularly to a mobile phone device including a display unit that displays information to be transmitted and received by communicating with other mobile phones and terminal devices via the Internet.

A mobile terminal device such as a mobile phone can communicate with another mobile terminal device or an information processing device such as a computer via a wireless communication line. In particular, recent portable terminal devices can transmit and receive not only text information but also image information . Therefore, a display device such as a liquid crystal display panel having a large amount of display information is required as an output means that allows a user to see information to be transmitted and received.

FIG. 4 is a perspective view showing an external appearance of a typical conventional cellular phone device. The cellular phone device 40 includes a main body 41 and a display unit 44 that are configured to be mutually foldable (or folded in two) by a hinge H. The main body 41 includes an operation unit 42 including a numeric keypad and a microphone 43 that picks up a user's voice. On the other hand, the display unit 44 that can be folded or opened with respect to the main body includes a speaker 45 that converts sound from the other party into an acoustic signal, a front display device 46, a rear display device 47 provided on the opposite side, and a radio signal. An antenna 48 for transmitting and receiving is provided.

  In a normal state (or when not in use), the display unit 44 and the main body 41 are closed to provide a compact configuration convenient for carrying. At this time, the back display unit 47 displays the number of received mails, the other party's telephone number, the reception time, and the like.

On the other hand, at the time of use (during communication), the display unit 44 is opened from the main body 41 so that the user can access the operation unit 42 as shown in FIG. Therefore, the user operates (or presses) the numeric keypad or the like of the operation unit 42 to call a partner or a server or the like to communicate. Then, it is possible to transmit a voice through the microphone 43 to enable a call and to transmit a message created by operating the numeric keypad of the operation unit 42 or the like. Voice from the other party is transmitted to the user via the speaker 45. Further, messages and image information transmitted from the server or the like are displayed on the front display unit 46. The user can read the received character or image information by operating the operation key of the operation unit 42 to enlarge, reduce, scroll (move) the character or image information displayed on the front display unit 46. is there.

As described above, a cellular phone device or a portable information terminal including a front display unit and a rear display unit is disclosed in various documents (for example, see Patent Documents 1 to 4).
JP 2003-244301 A (page 4, FIG. 2) JP 2003-169113 A (page 2-3, FIG. 1, FIG. 2) JP 2003-163719 A (page 2-3, FIG. 1, FIG. 2) Japanese Patent Laid-Open No. 2001-175609 (page 3, FIGS. 1 and 2)

  Patent Document 1 described above includes both a front display unit and a rear display unit. The rear display unit can be expanded on the entire display unit side, and a transmission screen and a reception screen displayed on both display units are displayed from the front side. A portable information terminal that enables confirmation at the same time is disclosed.

Further, Patent Document 2 is provided with a plurality of liquid crystal display unit which is folded Ri folded on the front side, discloses a non-folding type portable telephone of the display by deploying them display unit in accordance with the amount of information displayed Yes. Patent Document 3, attach the rear display unit via a hinge portion on the side surface of the main body, discloses a non-folding type portable telephone of forming the display portion of a large area by the deployment and rotation. Furthermore, Patent Document 4 discloses a non-foldable portable information terminal that includes one or more liquid crystal display units folded on the back of the main body and expands a display area of an image to be displayed.

  However, each of the conventional techniques described above has drawbacks or problems. In a general mobile phone as shown in FIG. 4, since the transmission screen and the reception screen are displayed on the opposite sides of the display unit, both display screens are independent from each other, and there is no cooperative relationship between them. Therefore, large-capacity information such as a TV phone and electronic mail cannot be displayed efficiently. Moreover, although the portable information terminal of patent document 1 can expand | deploy a back display part and can confirm from a front surface simultaneously with a front display part, it is as above-mentioned that there is no cooperation relationship of both display parts. It is the same. Furthermore, although the prior art disclosed in Patent Documents 2 to 4 enables a large amount of information to be displayed by expanding a plurality of display units, since it is not a foldable mobile phone, it is portable. It is bad and the transmission information and the reception information cannot be displayed efficiently.

  The present invention has been made in view of the above-described problems of the prior art, and while maintaining good portability, the front display unit and the rear display unit cooperate to provide a large amount of information as needed. An object of the present invention is to provide a mobile phone device that can display efficiently.

In order to solve the above-described problems, the cellular phone device according to the present invention employs the following characteristic configuration.

(1) A main body having an operation unit and a display unit connected to the main body via a hinge and configured to be foldable. The display unit is provided on a front surface facing the operation unit in a folded state. In a mobile phone device that communicates with other mobile phones and terminal devices via the Internet having the first display portion and the second display portion provided on the back surface opposite to the first display portion,
The second display unit is configured to be rotatable with respect to the first display unit via a second hinge so that the second display unit can be rotated to an unfolded state arranged substantially in the same plane as the non-deployed state. A detector for detecting that the first display unit and the second display unit are in the unfolded state via two hinges;
The first display unit and the second display unit operate in a normal mode independent from each other in the non-expanded state, and display a large amount of information transmitted and received via the Internet in the expanded state. Operate in a two-screen display mode that works together
In the normal mode, transmission information and reception information are displayed on the first display unit and the second display unit, respectively .

(2) The mobile phone device according to (1), wherein the first display unit and the second display unit in the unfolded state are arranged side by side with each other .

(3) The mobile phone device according to (1), wherein the first display unit and the second display unit in the unfolded state are arranged side by side in a vertical relationship .

  According to the mobile phone device of the present invention, the following practical effects can be obtained. Without increasing the size of the display device, a normal mode in which the first display unit and the second display unit are operated as independent display units and a two-screen display mode in which these two display units are arranged in parallel to operate in cooperation with each other. A large amount of information can be displayed while maintaining portability.

  Hereinafter, the configuration and operation of a preferred embodiment of a cellular phone device according to the present invention will be described in detail with reference to the accompanying drawings.

  First, FIG. 1 and FIG. 2 are perspective views showing an external appearance of a first embodiment of a cellular phone device according to the present invention. FIG. 1 shows a normal state in which the rear display unit of the mobile phone device 10 is closed (or undeployed). FIG. 2 shows a state where the rear display unit of FIG. 1 is developed.

  The cellular phone device 10 includes a main body 11 and a display unit 14 that are mechanically and electrically connected to each other by a hinge H at the center. The main body 11 includes an operation unit 12 having a plurality of keys such as a numeric keypad and a microphone 13 for picking up a user's voice. Although not shown, the main body 11 incorporates an electronic circuit including a plurality of electronic devices mounted on a circuit board, a battery for driving these electronic circuits, and the like.

  The display unit 14 connected to the main body 11 and the hinge H so as to be foldable is a speaker 15 that converts sound from a communication partner into an acoustic signal, a front display unit (first display unit) 16, and a rear display unit (second display unit). Display unit) 17 and an antenna 18 for wireless communication with the base station. In this specific embodiment, the rear display unit 17 is configured to be unfoldable by a hinge 19 on the right side surface of the display unit 14. That is, in the normal state, the rear display unit 17 is closed and clamped on the rear surface of the display unit 14 as shown in FIG. 1, and the rear display unit 17 is rotated around the hinge 19 as shown in FIG. Thus, the front display unit 16 and the back display unit 17 are arranged side by side in substantially the same plane on the left and right.

  A detector (not shown) indicating that the rear display unit 17 has been deployed from the position shown in FIG. 1 to the state shown in FIG. 2 is provided. This detector can be configured by known techniques. For example, a contact switch provided on the contact surface of the display unit 14 and the rear display unit 17, a permanent magnet provided on one of these contact surfaces and a reed relay or magnetic detection transistor provided on the other, or a hinge 19 integrally It can be easily realized by the provided piezoelectric film or the like.

  Next, the operation of the mobile phone device 10 according to the first embodiment of the present invention shown in FIGS. 1 and 2 will be described. As described above, the cellular phone device 10 according to the present invention attaches the rear display unit 17 to the display unit 14 so that the rear display unit 17 can be deployed, and further detects that the rear display unit 17 has been deployed by the detector. Then, the display screen is switched to the two-screen mode by a signal from this detector.

  That is, in the normal state, the state shown in FIG. 1 (or a compact state in which the display unit 14 is folded around the main body 11 around the hinge H) is set, and for example, transmission information is displayed on the front display unit 16 and reception information is displayed on the rear surface. It is displayed on the part 17. Therefore, in this state, there is no cooperative relationship between the front display unit 16 and the rear display unit 17, and each operates as an independent display device.

  On the other hand, as shown in FIG. 2, when the user expands the rear display unit 17, the rear display unit 17 is arranged in parallel with the front display unit 16. That is, the front display unit 16 is arranged in parallel on the left side and the rear display unit 17 is arranged in parallel on the right side. For example, the front display unit 16 is a first display unit, the rear display unit 17 is a second display unit, and both display units 16 and 17 are an integrated display unit. For example, for an e-mail or a videophone with a large amount of display information Information can be divided and displayed. In addition, one of the display units 16 and 17 (for example, the display unit 16) can receive a TV broadcast, and the other (for example, the display unit 17) can be used as a display unit for an e-mail input operation. . As described above, when the rear display unit 17 is developed in the normal state, this can be detected by the detector, and both the display units 16 and 17 can be switched to the “two-screen mode” and used in a cooperative relationship. The screens displayed on the display units 16 and 17 can be switched or changed by operating predetermined keys on the operation unit 12 of the main body 11.

In the first embodiment described above, the rear display unit 17 is developed on the right side of the front display unit 16 by the hinge 19 provided on the right side surface of the display unit 14, but the hinge 19 is provided on the other surface of the display unit 14. Also good. For example, the hinge 19 may be provided on the left side surface of the display unit 14 or may be provided on the upper surface as shown in FIG. 3 includes a main body 31 having an operation unit 32 and a microphone 33, and a display unit 34 connected to the main body by a hinge H. The display unit 34 includes a speaker 35, a front display unit (first display unit) 36, a back display unit (second display unit) 37, and an antenna 38. The rear display unit 37 is configured to be developed by a hinge 39 provided on the upper surface of the display unit 34.

  In the normal state, the mobile phone device 30 has a rear display unit 37 disposed on the opposite surface of the front display unit 36 as shown in FIG. However, when the rear display unit 37 is developed around the hinge 39, the rear display unit 37 is arranged in parallel above the front display unit 36. At this time, it is detected by a detector (not shown) that the rear display unit 37 is deployed. By the detection operation of the detector, the rear display unit 37 flips the display unit upside down. Thus, the display unit 36 and the display unit 37 can be used as the “two-screen mode”, which is the same as in the case of the first embodiment described above. In this case, the rear display unit 37 needs to be provided with a cutout for avoiding the antenna 38 protruding from the upper surface or configured so that the antenna 38 does not protrude from the upper surface of the display unit 34 in the normal state. Alternatively, the antenna 38 may be provided on the side surface of the display unit 34.

  The preferred embodiment of the cellular phone device according to the present invention has been described above in detail. However, it should be noted that such examples are merely illustrative of the invention and do not limit the invention in any way. Those skilled in the art will readily understand that various modifications and changes can be made according to a specific application without departing from the gist of the present invention.

It is a perspective view in the normal state of 1st Example of the mobile telephone apparatus by this invention. It is a perspective view of the state which expand | deployed the back surface display part of the mobile telephone apparatus shown in FIG. 1, and is operate | moving as 2 screen mode. It is a perspective view of 2nd Example of the mobile telephone apparatus by this invention. It is a perspective view of a typical conventional foldable mobile phone.

Explanation of symbols

10, 30 Mobile phone device 11, 31 Main body 12, 32 Operation unit 13, 33 Microphone 14, 34 Display unit 15, 35 Speaker 16, 36 First display unit (front display unit)
17, 37 Second display section (rear display section)
18, 38 Antenna 19, 39, H Hinge

Claims (3)

A main body having an operation unit; and a display unit coupled to the main body via a hinge and configured to be foldable. The display unit is provided on a front surface facing the operation unit in a folded state. In a mobile phone device that communicates with another mobile phone or a terminal device via the Internet having a display unit and a second display unit provided on the back side opposite to the first display unit,
The second display unit is configured to be rotatable with respect to the first display unit via a second hinge so that the second display unit can be rotated to an unfolded state arranged substantially in the same plane as the non-deployed state. A detector for detecting that the first display unit and the second display unit are in the unfolded state via two hinges;
The first display unit and the second display unit operate in a normal mode independent from each other in the non-expanded state, and display a large amount of information transmitted and received via the Internet in the expanded state. Operate in a two-screen display mode that works together
In the normal mode, transmission information and reception information are displayed on the first display unit and the second display unit, respectively .   The mobile phone device according to claim 1, wherein the first display unit and the second display unit in the unfolded state are arranged side by side to each other.   2. The mobile phone device according to claim 1, wherein the first display unit and the second display unit in the expanded state are arranged in a vertical relationship with each other.

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