JP2005167847A - Mobile communication terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile communication terminal whose sliding operation can be easily performed. <P>SOLUTION: A mobile phone 11 is provided with an operation housing 12 and a display housing 13. The display housing 13 is slidably attached to the operation housing 12. The operation housing 12 is provided with a button operation part 14 and the display housing 13 is provided with a display unit 16. The mobile phone 11 shifts from an exposed state in which the button operation part 14 is exposed to a hidden state in which the button operation part 14 is hidden by the display housing 13 by the sliding operation of the display housing 14. A first compression coil spring 24 is accommodated in an antenna accommodating part 21 of the operation housing 12. The display housing 13 is urged in the direction to shift from the hidden state to the exposed state by the urging force of the first compression coil spring 24. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a mobile communication terminal such as a mobile phone and a PDA.

Conventionally, as this type of mobile communication terminal, a mobile phone having a mobile phone body provided with a display unit and a keypad having operation buttons and having a keypad slidably provided on the mobile phone body is known. (See Patent Document 1).
JP 2001-24762 A

  The slide operation in the conventional mobile communication terminal is performed manually. Therefore, when the slide operation is performed with one hand, there is a problem that the slide operation is difficult, for example, it is difficult to perform a quick slide operation.

  The present invention has been made paying attention to the problems existing in the prior art as described above. The object is to provide a mobile communication terminal that can easily perform a slide operation.

  In order to achieve the above object, the invention described in claim 1 includes a first casing provided with a first function part and a second casing provided with a second function part, and the second case. The casing is slidably provided on the first casing, and the first function section and the second function section are exposed by the sliding operation of the second casing. A mobile communication terminal configured to shift to a concealed state in which the second functional unit is concealed in the second casing or the second functional unit is concealed in the first casing, and transitions from the concealed state to the exposed state Urging means for urging the second casing in a direction or urging the second casing in a direction of shifting from the exposed state to the concealed state is provided, and the urging force of the urging means The gist is that a restricting means for restricting the sliding motion of the second housing is provided. According to this configuration, when the restriction of the sliding operation of the second housing is released in the concealed state or the exposed state, the second housing is shifted to the exposed state or the concealed state by the urging force of the urging means.

  According to a second aspect of the present invention, in the first aspect of the invention, the first housing is provided with an antenna accommodating portion that accommodates a rod antenna, and the rod antenna can be projected and retracted from the antenna accommodating portion. The gist of the present invention is that the second housing is connected to the tip of the rod antenna so that the slide operation of the second housing and the retracting operation of the rod antenna are interlocked. According to this configuration, the rod antenna is moved up and down as the second casing slides, so that the operation of the rod antenna can be omitted.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, the first housing is provided with an antenna accommodating portion that accommodates a rod antenna, and the biasing means is provided in the antenna accommodating portion. The gist is to house a coil spring and house the rod antenna inside the coil spring. According to this configuration, since the space of the first housing can be effectively used, the mobile communication terminal can be reduced in size.

  According to the present invention, the slide operation can be easily performed.

Hereinafter, embodiments of the present invention embodied in a mobile phone will be described in detail with reference to the drawings.
As shown in FIGS. 1 and 2, a mobile phone 11 as a mobile communication terminal includes a vertical rectangular box-shaped operation casing 12 as a first casing and a vertical rectangular box-shaped display casing as a second casing. The display housing 13 is slidably provided on the operation housing 12. Hereinafter, up, down, left, and right indicate up, down, left, and right when the mobile phone 11 shown in FIGS. 1 and 2 is viewed from the front.

  A button operation unit 14 as a first function unit is provided at the lower front side of the operation housing 12. The button operation unit 14 has a plurality of input keys 15 arranged in parallel, and the mobile phone 11 can be operated by these input keys 15. On the other hand, a display unit 16 as a second functional unit is provided on the upper front side of the display housing 13. As shown in FIG. 3, a liquid crystal screen 17 is embedded inside the display unit 16, and the display on the liquid crystal screen 17 is visible from the front of the display unit 16.

  As shown in FIG. 1, groove-like slide ridges 18 are recessed on the left and right side surfaces of the operation housing 12 so as to extend in the vertical direction. On the other hand, on the left and right sides of the display housing 13, vertically long rectangular plate-like slide protrusions 19 are provided so as to extend in the vertical direction. The display housing 13 is supported by the operation housing 12 by engaging the slide protrusions 19 with the slide recesses 18 respectively. Further, as the slide protrusion 19 slides while being guided by the slide recess 18, the display housing 13 can slide in the vertical direction with respect to the operation housing 12 as shown in FIGS. 2 and 4. Yes. The mobile phone 11 is shifted to an exposed state in which the button operation unit 14 is exposed by a sliding operation of the display housing 13 and a concealed state in which the button operation unit 14 is concealed by the lower side of the display housing 13. It has become.

  In addition, a bottomed cylindrical antenna housing portion 21 that houses the rod antenna 20 is recessed on the right side of the operation housing 12 so as to extend in the vertical direction. An opening 22 is formed at the upper end of the antenna accommodating portion 21, and the rod antenna 20 is provided so as to be able to protrude and retract from the opening 22. Further, the direction in which the antenna accommodating portion 21 extends and the direction in which the slide protrusion 19 and the slide recess 18 extend are substantially parallel. An L-shaped bracket 23 is provided at the upper end of the display housing 13 so as to extend in the rear surface direction of the display housing 13, and the upper end of the rod antenna 20 is connected and fixed to the distal end side of the bracket 23. Then, the slide operation of the display housing 13 and the in / out operation of the rod antenna 20 are interlocked.

  The antenna accommodating portion 21 accommodates a first compression coil spring 24 as a coil spring which is an urging means so as to extend in the vertical direction. The lower end of the first compression coil spring 24 is supported on the inner bottom of the antenna housing portion 21, and the upper end of the first compression coil spring 24 is locked to the lower end side of the rod antenna 20. Then, the urging force of the first compression coil spring 24 urges the rod antenna 20 in the direction protruding from the opening 22, and the display housing 13 changes from the hidden state to the exposed state with respect to the operation housing 12. Is biased in the direction. The first compression coil spring 24 has a coil diameter of 3 to 8 mm, a wire diameter of 0.2 to 0.8 mm, and a length of 40 to 120 mm, whereby an urging force suitable for a sliding operation can be obtained.

  As shown in FIG. 5, a regulation switch 25 and a second compression coil spring 26 as regulation means are provided at the center on the right side of the operation housing 12. At the front end side of the restriction switch 25, a square plate-like release button 27 is provided so as to extend in the vertical direction, and a square plate-like restriction piece 28 is provided in parallel with the release button 27. On the other hand, a release button insertion hole 29 and a restriction piece insertion hole 30 are formed in the right center portion of the operation housing 12 so as to extend in the vertical direction, and the distal ends of the release button 27 and the restriction piece 28 are inserted, respectively. It is like that. The distal end of the second compression coil spring 26 is supported by the proximal end portion of the restriction switch 25, and the proximal end of the second compression coil spring 26 is supported by a support portion (not shown) provided inside the operation housing 12. ing. The restriction switch 25 is urged by the urging force of the second compression coil spring 26 in the right direction, that is, in the direction in which the release button 27 and the restriction piece 28 protrude from the release button insertion hole 29 and the restriction piece insertion hole 30, respectively. It has become.

  On the other hand, as shown in FIG. 1, a restriction protrusion 31 as a restriction means is provided on the inner surface of the slide protrusion 19 so as to extend forward. Then, as shown in FIG. 6C, the restricting protrusion 31 is locked to the lower end of the restricting piece 28. In the concealed state, the slide operation of the display housing 13 is regulated by the regulation switch 25 and the regulation projection 31. Further, as shown in FIG. 6A, an arcuate sliding portion 32 is formed at the upper end portion of the regulating piece 28. When the display housing 13 slides downward, the sliding portion 32 in FIG. 6B is slid by the restricting protrusion 31, and the restricting switch 25 is buried in the left, that is, in the restricting piece insertion hole 30. It is designed to be slid.

  When the mobile phone 11 is in the concealed state, the restricting protrusion 31 is locked to the restricting piece 28 as shown in FIG. 6C, and the sliding operation of the display housing 13 is restricted. At this time, the first compression coil spring 24 is accommodated in the antenna accommodating portion 21 in a compressed state. To bring the mobile phone 11 into an exposed state, the operation casing 12 is gripped and the release button 27 is pressed against the urging force of the second coil spring. Then, as shown in FIG. 6B, the restriction piece 28 moves in the left direction, that is, the direction in which it is buried in the restriction piece insertion hole 30, and the restriction of the restriction protrusion 31 is released. At this time, the urging force of the first compression coil spring 24 causes the rod antenna 20 to protrude from the opening 22 and the display housing 13 slides upward, so that the cellular phone 11 is in an exposed state in which the button operation unit 14 is exposed. . When the input operation from the input key 15 or the call is finished, the display housing 13 is pressed downward against the urging force of the second coil spring, and the display housing 13 is slid downward. Then, the sliding portion 32 is slid by the restriction piece 28 and the restriction switch 25 is moved to the left against the urging force of the second compression coil spring 26. Then, the restriction protrusion 31 is locked to the lower end of the restriction piece 28 and the movement of the display housing 13 is restricted. Then, it becomes a concealed state in which the button operation unit 14 is concealed by the display housing 13.

The effects exhibited by this embodiment will be described below.
The mobile phone 11 according to the present embodiment includes the operation housing 12 provided with the button operation unit 14 and the display housing 13 provided with the display unit 16, and the display housing 13 can slide on the operation housing 12. Is provided. In addition, the operation casing 12 is provided with a first compression coil spring 24 that biases the display casing 13 in a direction of shifting from the concealed state to the exposed state. Furthermore, a restriction switch 25, a second compression coil spring 26, and a restriction protrusion 31 are provided as restriction means for restricting the sliding operation of the display housing 13 in the concealed state. In such a configuration, when the restriction switch 25 is pressed in the concealed state, the display housing 13 is slid by the urging force of the first compression coil spring 24, and the mobile phone 11 is exposed. Accordingly, the slide operation of the display housing 13 can be easily performed.

  In the mobile phone 11 according to the present embodiment, the rod antenna 20 is provided so as to be able to appear and retract from the antenna housing portion 21. In addition, a bracket 23 is connected to the rod antenna 20 so that the slide operation of the display housing 13 and the protrusion and depression operation of the rod antenna 20 are interlocked. When configured in this manner, the rod antenna 20 appears and disappears with the slide operation of the display housing 13, so that the operation of the rod antenna 20 can be omitted. Further, the rod antenna 20 can be projected by the biasing force of the first compression coil spring 24. Further, the urging force of the first compression coil spring 24 can be transmitted to the bracket 23 by the rod antenna 20. In addition, the display housing 13 can guide the slide operation by the rod antenna 20.

In the mobile phone 11 according to the present embodiment, an antenna accommodating portion 21 that accommodates the rod antenna 20 is provided. The first compression coil spring 24 is accommodated in the antenna accommodating portion 21. Further, the rod antenna 20 is accommodated inside the first compression coil spring 24. When configured in this manner, the space of the operation housing 12 can be used effectively, and thus the mobile phone 11 can be reduced in size.
(Modification)
The embodiment may be modified as follows.

  As shown in FIG. 7, as an alternative to the operation housing 12 in the above-described embodiment, a sandwiching operation housing 34 in which a vertically long rectangular plate-shaped display housing housing recess 33 is provided may be applied. In the display housing accommodating recess 33, a vertically long rectangular plate-shaped display housing 13 is slidably provided. In the concealment state, the display unit 16 as the second function unit may be concealed by the operation housing 12. Further, a rectangular frame-shaped window 35 may be provided on the front side of the operation housing 12 so that a part of the display unit 16 can be visually recognized in the concealed state. Thus, in the concealed state, the entire display unit 16 does not need to be concealed by the operation casing 12, and the display unit 16 may be partially concealed.

  -You may replace the button operation part 14 and the display part 16 in the said embodiment. That is, the first function unit may be the display unit 16 and the second function unit may be the button operation unit 14.

  A tension coil spring may be applied as the urging means, and the display housing 13 may be urged in the direction from the exposed state to the concealed state with respect to the operation housing 12. In this case, the restriction protrusion 31 is provided so as to be engaged with the restriction piece 28 in an exposed state. Moreover, you may apply a leaf | plate spring, a torsion spring, an air spring etc. as a biasing means.

  Without providing the restriction switch 25 and the restriction protrusion 31, as shown in FIG. 7, an L-shaped rotation restriction switch 36 and a restriction recess 37 are provided as restriction means, and the rotation restriction switch 36 and the restriction are provided. The sliding operation of the display housing 13 may be restricted by the locking of the recess 37.

  The first compression coil spring 24 is accommodated in the antenna accommodating portion 21. The upper end of the first compression coil spring 24 is connected to the lower end of the rod antenna 20. In addition, by connecting the upper end of the first compression coil spring 24 to the display housing 13 with a connecting member (not shown), the projecting operation of the rod antenna 20 and the sliding operation of the display housing are not interlocked. May be.

  -In the said embodiment, although applied to the mobile telephone 11 as a mobile communication terminal, you may apply to other mobile communication terminals, such as PDA.

The disassembled perspective view which shows the mobile phone of this embodiment. The perspective view which shows the exposure state of a mobile telephone. FIG. 3 is a sectional view taken along line 3-3 in FIG. 2. The perspective view which shows the concealment state of a mobile telephone. The perspective view which shows the attachment state of a control switch and a 2nd compression coil spring. (A), (b) and (c) are the fragmentary sectional views which show operation | movement of the control protrusion with respect to a control piece. The perspective view which shows another example of a mobile telephone.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 ... Mobile phone as a mobile communication terminal, 12 ... Operation case as a first case, 13 ... Display case as a second case, 14 ... Button operation part as a first function part, 16 ... Second Display unit as function unit, 20 ... rod antenna, 21 ... antenna housing unit, 24 ... first compression coil spring as urging means, 25 ... regulation switch as regulation means, 26 ... second compression coil as regulation means Spring, 31... Control protrusion as a control means.

Claims (3)

A first case provided with a first function part; and a second case provided with a second function part. The second case is slidably provided on the first case. An exposed state in which the first function unit and the second function unit are exposed by a sliding operation of the two cases, and the first function unit is hidden by the second case or the second function unit is hidden in the first case. A mobile communication terminal configured to shift to a concealed state concealed by a body, wherein the second casing is energized in a direction of transition from the concealed state to an exposed state, or from the exposed state A biasing means for biasing the second casing in the direction of shifting to the concealment state is provided, and a regulation means for limiting the sliding operation of the second casing by the biasing force of the biasing means is provided. A characteristic mobile communication terminal. The first housing is provided with an antenna housing portion for housing a rod antenna, the rod antenna is provided so as to be able to protrude and retract from the antenna housing portion, and the second housing is coupled to a tip portion of the rod antenna. 2. The mobile communication terminal according to claim 1, wherein the sliding operation of the second casing and the protruding and retracting operation of the rod antenna are interlocked. The first housing is provided with an antenna housing portion for housing a rod antenna, the coil housing as the biasing means is housed in the antenna housing portion, and the rod antenna is housed inside the coil spring. The mobile communication terminal according to claim 1 or 2, wherein the mobile communication terminal is characterized in that:

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