TWI462389B - Antenna device of small electronic device - Google Patents

Description

Antenna device for small electronic devices

The invention relates to an antenna device, which is applied to a notebook computer, a personal digital assistant, and other small electronic devices with wireless communication functions or a small electronic device having a wireless communication function such as a mobile phone. Device.

In recent years, not only mobile phones, personal digital assistants, notebook computers, and other electronic devices such as mobile phones have been equipped with wireless communication functions, so that they can watch TV and conduct network communication, such as Japan Special Open 2009. The invention shown in the publication No. 159309 has gradually spread.

Such a wireless communication-compatible small electronic device has an antenna device. In the case of such an antenna device, a rod-shaped antenna device is widely used, and is described in, for example, Japanese Laid-Open Patent Publication No. 2002-26619.

In the small electronic device, the rod antenna device can store the antenna rod into the device body when not in use, and then pull it out during use, and pull out the antenna rod smoothly, and there is no other problem. However, when the antenna rod is press-fitted and stored, it is not only irritating, but also has a problem that the storage is not smooth, and the antenna rod is bent and easily broken.

Further, in order to correspond to a complex frequency, such a rod-shaped antenna rod must have a receiving range that matches each frequency in the axial direction, so that the antenna rod becomes long and has a problem of occupying a storage space.

An object of the present invention is to solve the above problems and to provide an antenna device for a small electronic device having a wireless communication function, which can automatically accommodate an antenna rod in a device body by one-touch operation when accommodating an antenna.

Still another object of the present invention is to provide an antenna device for a small electronic device having a wireless communication function, which can automatically accommodate a plurality of antenna rods receiving a plurality of radio wave frequencies in a device body, and automatically and openly configured to transmit and receive a plurality of antennas. Radio frequency.

In order to achieve the above object, an antenna device of the present invention includes a casing, a slider, a plurality of antenna rods, a coil spring, and a locking release means. The box body has a cylindrical shape, the upper end portion is open, and is housed in a casing equipped with a wireless communication function. The slider is housed in the casing, and is slidable in the up and down direction and cannot be pulled out from above. A plurality of antenna rods are assembled to the slider and can be housed in the housing or protrude outside the housing. A coil spring is disposed between one side of the slider and a side of the bottom of the casing. The locking release means is configured to lock the slider to the side of the casing and to release the slider from the side of the casing. Wherein the antenna rods are assembled by a main antenna rod assembled in the axial direction of the slider and one or a plurality of sub-antenna rods which are assembled on the outer side of the slider, and are single or the like during storage. The pair of antenna rods are folded and automatically accommodated in the casing simultaneously with the main antenna rod, and when the box is taken out, the single or the pair of antenna rods are automatically rotated and opened.

In this case, the antenna device of the small electronic device of the present invention, wherein the locking release means is constituted by a locking lever and a button component of the slider The locking lever is assembled on the upper side of the casing and is rotatably pushed in one direction. The button component is assembled to the casing to operate the locking lever.

Further, in the antenna device of the small electronic device of the present invention, the sub-antenna rod is assembled to one side of the slider and is rotated and pushed in a direction opened outward.

Further, in the antenna device of the small electronic device of the present invention, the sub antenna rod is in contact with a terminal assembled to the casing when it is opened.

Next, the antenna device of the small electronic device of the present invention, wherein the casing is a casing for a notebook computer or a personal digital assistant or a mobile phone.

According to the above configuration, the present invention can receive various functions corresponding to a small electronic device such as a notebook computer, a mobile phone, or a personal digital assistant having a plurality of wireless communication functions such as a television receiving function and a network communication function. When the antenna rod is housed, the effect of accommodating the antenna rod in a one-touch operation can be achieved by pressing the button element.

Further, the antenna rod is composed of a main antenna rod assembled to the shaft shaft of the slider and an outer antenna rod that is assembled and rotatably driven by the slider, and the rod antenna device can be miniaturized. When the main antenna rod is stored, the auxiliary antenna rod is folded and accommodated in the casing at the same time as the main antenna rod, and when the main antenna rod is taken out, the auxiliary antenna rod can be automatically opened.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the drawings. An antenna device for a small electronic device having a wireless communication function.

[First Embodiment]

In FIG. 1, a notebook computer is denoted by reference numeral 1 as an example of a small electronic device having a wireless communication function, and the notebook computer 1 is connected to the first casing 2 and the second casing 3 by the opening device 4. Each of the rear end portions is releasable, the first housing 2 is provided with a keyboard, and the second housing 3 is provided with a display device.

The antenna rod 6 of the antenna device 5 of the present invention protrudes from the upper end of the side portion of the second casing 3 of the notebook computer 1. The antenna rod 6 is composed of a main antenna rod 7 and a sub-antenna rod 8 in the middle, and the sub-antenna rods 8 are three, and are opened radially around the main antenna rod 7 in an inverted umbrella shape. Next, the button member 9 constitutes the locking release means 11 of the slider 10, and the head portion 9a thereof protrudes from the side portion of the second casing 3.

In particular, as shown in FIGS. 2 to 7, the antenna device 5 is composed of a casing 12, a slider 10, an antenna rod 6, a plug member 13, a coil spring 14, and a locking releasing means 11. The casing 12 has a cylindrical shape and is open at the upper portion, and has an edge portion 12a on the outer circumference. The slider 10 is housed in the casing 12 and slidable in the up and down direction. The antenna rod 6 is assembled to the slider 10. The bolt member 13 is assembled to the bottom of the casing 12 with the assembly pin 13b. The coil spring 14 is, for example, a tension coil spring that is stretched between the bolt member 13 and the slider 10. The lock releasing means 11 locks the slider 10 assembled to the side of the casing 12 to a specific sliding position, and releases the locked state. A key groove 10e is provided at one side of the slider 10, and the key groove 10e is engaged with the key portion 12e provided inside the casing 12 so that the slider 10 does not rotate in the casing 12. Further, the lower end portion 14a of the coil spring 14 is locked to the bolt The assembly hole 13a provided in the element 13 is engaged with the annular groove portion 3b of the housing hole 3a provided in the second housing 3 so as not to be pulled out from the second housing 3. Further, the case body 12 and the plug member 13 respectively indicate the assembly holes for assembling the assembly pin 13b by the component symbols 12f and 13c.

The slider 10 is assembled with a main antenna rod 7, and the main antenna rod 7 is inserted through the central portion of the slider 10 in the axial direction, and is fixed in the axial direction by the fixing pins 7a and 7a, and the sub-antenna rod 8 is assembled on the outer peripheral portion of the slider 10. The sub-antenna rods 8 are three around the main antenna rods 7, and are assembled at equal angles by the joint pins 15 to be rotatable. Next, the main antenna rod 7 and the sub antenna rod 8 constitute an antenna rod 6.

The main antenna rod 7 is assembled with a knob 7b at the front end 7e, and the main antenna rod 7 is preferably a rod shape and made of stainless steel. Further, since the sub-antenna rods 8 have the same three configurations, only one of them will be described, and the description of the other two internal structures will be omitted. In addition, elements of the same component symbols of course have the same configuration and function. Further, the lower end portion of the main antenna rod 7 is provided with a locking hole 7c for locking the upper end portion 14b of the coil spring 14.

The sub-antenna rod 8 is composed of a base portion 8a, a accommodating cylinder 8b, a sliding member 8c, and a telescopic rod body 8d, and is made of stainless steel as the main antenna rod 7. The base portion 8a is rotatably assembled by the joint pin 15 in the slit 10a, and the slits 10a are three, and are provided on the upper side of the outer peripheral portion of the slider 10 at intervals of 120 degrees. The accommodating cylinder 8b has a tubular shape, and the base portion 8a is inserted and fixed to the lower side thereof. The sliding element 8c is assembled in the accommodating cylinder 8b and is slidable in the vertical direction. The telescopic rod body 8d is assembled in the axial direction of the sliding element 8c. The front end of the telescopic rod body 8d is assembled with a button 8e, and the groove portion 8f provided on the outer periphery of the sliding member 8c is engaged with the friction member 8g, which is a semi-cylindrical spring. Component composition. Further, as shown in FIGS. 5 and 6, the base portion 8a of the sub-antenna rod 8 is provided with an engaging piece portion 8h that engages with the plate spring 16 to be described later.

The outer peripheral portion of the slider 10 is followed by the slot 10a, and the plate spring receiving portion 10b is provided. The assembly grooves 10c, 10c provided on both sides of the plate spring receiving portion 10b are embedded by the fixing piece 16a, so that the plate The lower side of the mainspring 16 is fixed, and the movable end side of the mainspring 16 is engaged with the engaging piece portion 8h of the base portion 8a, so that when the sub-antenna rod 8 is pushed, the sub-antenna rod 8 is rotated outward. Next, the assembly recess 12c provided at the upper end of the outer peripheral portion of the casing 12 is provided with a terminal 17 for each sub-antenna rod 8, and the terminal 17 is in contact with the sub-antenna rod 8 when the sub-antenna rod 8 is rotated and opened. The terminal 17 has a substantially U-shaped cross section, and the fixing holes 17a are provided at intervals of 120°, and are fitted to the engaging convex portions 12d. Further, in the present embodiment, the number of the sub-antenna bars 8 is three, but the number is not limited. More than three or less are acceptable.

Further, as shown in the figure, the main body of the sub-antenna rod 8 may be freely stretchable, but is not limited thereto. For example, the configuration of the main antenna rod 7 is also possible. In addition, the main antenna rod 7 such as the sub-antenna rod 8 can be freely expanded and contracted.

The locking release means 11 is composed of a locking lever 19, a button member 9, and an elastic means 20. The locking lever 19 has a locking portion 19a. The locking portion 19a is assembled to the assembly hole 12b provided on the upper end side of the outer peripheral portion of the casing 12 by the coupling pin 18, and the front surface of the assembly hole 12b is slightly rectangular. The button member 9 is assembled on one side of the second casing 3 to press against one side of the fulcrum of the locking lever 19, and the elastic means 20 is disposed between the casing 12 and the locking lever 19 to cause the locking lever 19 to Push and rotate in one direction.

Therefore, in particular, as shown in each of (b) of Figure 2 and Figure 3, in the day When the line device 5 is not in use, when the sub-antenna rods 8 of the antenna rod 6 are folded and attached to the main antenna rod 7, the sub-antenna rods 8 and the main antenna rods 7 are accommodated in the casing 12 at the same time. As shown in the figure, at this time, the slider 10 enters the casing 12, and the coil spring 14 contracts to pull the slider 10 downward, and the slider 10 is accommodated in the casing 12 at the same time. Further, as shown in Fig. 2(b), in this state, the button 8e of the sub-antenna bar 8 is housed in the recess 7d provided on the outer circumference of the knob 7b of the main antenna rod 7.

When the antenna device 5 is used, the button 7b of the main antenna rod 7 and the button 8e of the sub-antenna rod 8 projecting from the upper end portion of the casing 12 are pinched by fingers, and when pulled upward, the slider 10 resists the coil spring. The tension of 14 moves upward from the inside of the casing 12, and the main antenna rod 7 and the sub-antenna rod 8 are pulled out from the casing 12 and then from the second casing 3, so that before the movement of the slider 10 is stopped, The engaging recessed portion 10d provided in the slider 10 is locked to the locking portion 19a of the locking lever 19, and is pressed by the finger to each of the secondary antenna rods 8 of the knob 7b of the main antenna rod 7 when it is released, because it acts on the base portion 8a. The spring force of the plate spring 16 is automatically opened and can be used, as shown in Fig. 2 and Fig. 3(a). After the sub-antenna rod 8 is opened, the telescopic rod body 8d is pulled out from the outside of the accommodating cylinder 8b or accommodated in the accommodating cylinder 8b to adjust the radio wave sensitivity. When the telescopic rod body 8d is pulled out or pressed in from the accommodating cylinder 8b, the telescopic rod body 8d is stably stopped at an arbitrary position with respect to the accommodating cylinder 8b by the friction member 8g.

Next, when the sub-antenna rods 8 are opened one by one, the side portions of the base portions 8a are pressed against the respective terminals 17 by the elastic force of the plate springs 16, and are electrically connected, so that various radio frequency frequencies of the notebook computer 1 can be received.

If the notebook device 5 is not used, the antenna device 5 is housed in the second housing In the case of 3, when the button element 9 is pressed, the locking lever 19 is rotated against the elastic force of the elastic means 20, and the locking portion 19a and the engaging recessed portion 10d of the slider 10 are unlocked, so that the slider 10 is The tension of the coil spring 14 is automatically pulled into the inside of the casing 12. At this time, each of the flared antenna rods 8 is closed against the elastic force of the blade spring 16, and is housed in the casing 12 at the same time as the main antenna bar 7.

[Second embodiment]

Fig. 8 is a view showing an example in which the antenna device of the present invention is implemented in a mobile phone as a small electronic device.

As shown in the figure, the mobile phone 28 is composed of a first casing 26 provided with a keyboard portion and a second casing 27 having a display portion, and is connected to each other by the opening device 25, and the mobile phone 28 is An antenna device 29 having the same structure as that of the first embodiment is assembled to the side of the second casing 27, and the antenna rod 32 composed of the main antenna rod 30 and the plurality of sub-antenna rods 31 is exposed to the outside.

Although the figure is not completely shown, the internal structure and function of the antenna device 29 are the same as those of the antenna device 5 of the first embodiment, and thus the description thereof will be omitted.

According to this implementation, the convenience of the television receiving function or other wireless communication functions of the current mobile phone can be improved.

The above description applies to the case where the present invention is applied to a notebook computer and a mobile phone, and the antenna device of the present invention can also be applied to a personal digital assistant equipped with a wireless communication function, and other mobile terminal such as an action game machine. . Moreover, the housing of the assembled antenna device can also be assembled Mounted in the first housing described above. Further, in the description, a tension coil spring is used as the coil spring for pulling the antenna rod, but a compression coil spring may also be employed.

According to the above configuration, the present invention can be applied to an antenna device of a small electronic device such as a notebook computer, a personal digital assistant, or a mobile game device equipped with a television receiving function, a network transmitting and receiving function, and the like.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

1‧‧‧Note Computer

2, 26‧‧‧ first housing

3, 27‧‧‧ second housing

3a‧‧‧ receiving holes

3b‧‧‧ annular groove

4, 25‧‧‧Opening device

5, 29‧‧‧ antenna device

6, 32‧‧‧ antenna rod

7, 30‧‧‧ main antenna rod

7a‧‧‧fixed pin

7b, 8e‧‧‧ button

7c‧‧‧ card hole

7d‧‧‧ recess

7e‧‧‧ front end

8, 31‧‧‧Auxiliary antenna rod

8a‧‧‧ base

8b‧‧‧ accommodating cylinder

8c‧‧‧Sliding components

8d‧‧‧ Telescopic rod body

8f‧‧‧ditch

8g‧‧‧ friction element

8h‧‧‧Kids Department

9‧‧‧ button components

9a‧‧‧ head

10‧‧‧Sliding parts

10a‧‧‧Slots

10b‧‧‧Boarding and accommodating department

10c‧‧‧ assembly ditch

10d‧‧‧Clamping recess

10e‧‧‧ keyway

11‧‧‧Remove means

12‧‧‧Box

12a‧‧‧Edge

12b‧‧‧Assembled holes

12c‧‧‧Assembled recess

12d‧‧‧Snap convex

12e‧‧‧Key Department

12f, 13c‧‧‧Assembled holes

13‧‧‧Bolt components

13a‧‧‧Assembled holes

13b‧‧‧Assembly

14‧‧‧Helical spring

14a‧‧‧Bottom

14b‧‧‧Upper end

15, 18‧‧‧Links

16‧‧‧Boarding

16a‧‧‧Fixed piece

17‧‧‧ Terminal

17a‧‧‧Fixed holes

19‧‧‧ card stop

19a‧‧‧Cards

20‧‧‧Flexible means

28‧‧‧Mobile Phone

1 is a perspective view of a notebook computer, which is a small electronic device having a communication function according to an embodiment of the present invention; and FIG. 2 is a view showing an antenna device of the present invention, wherein (a) is a state in which an antenna rod is opened; (b) Figure 3 is a longitudinal sectional view showing the antenna device of the present invention, wherein (a) is a state in which the antenna rod is opened; 4 is an exploded perspective view of the antenna device of the present invention; FIG. 5 is an enlarged cross-sectional view of a main portion of the antenna device of the present invention; and FIG. 6 is an enlarged cross-sectional view of a main portion of the antenna device of the present invention; Figure 7 is a perspective view of a main portion of an antenna device of the present invention; and Figure 8 is a perspective view of a mobile phone using the antenna device of the present invention.

3. . . Second housing

3a. . . Receiving hole

3b. . . Annular groove

5. . . Antenna device

6. . . Antenna rod

7. . . Main antenna rod

7a. . . Fixed pin

7b. . . Button

7c. . . Locking hole

8. . . Secondary antenna rod

8a. . . Base

9. . . Button component

9a. . . head

10. . . Slider

11. . . Card release means

12. . . Box

12a. . . Edge

12e. . . Key

13. . . Bolt element

13a. . . Assembly hole

13b. . . Assembly pin

14. . . Coil spring

14a. . . Lower end

14b. . . Upper end

19. . . Locking lever

19a. . . Clamping part

20. . . Flexible means

Claims (6)

An antenna device for a small electronic device, comprising: a box body, has a cylindrical shape, an upper end portion is open, and is accommodated in a casing; a sliding member is accommodated in the box body and can slide in the up and down direction but cannot be from above Pulling out; a plurality of antenna rods are assembled to the slider and housed in the box or protruded from the outside of the box; a coil spring is disposed between one side of the slider and a side of the bottom of the box And a locking release means for locking the slider to the side of the casing and releasing the slider from the side of the casing; wherein the antenna rods are fixed to the shaft of the slider a main antenna rod assembled in the direction and assembled on the outer side of the slider is a revolving one or a plurality of sub-antenna rods, and when being stored, a single or the sub-antenna rods are folded and automatically simultaneously with the main antenna rod It is housed in the casing, and when it is taken out from the casing, the single or the secondary antenna rods are automatically rotated and opened. The antenna device of the small electronic device according to the first aspect of the invention, wherein the locking release means comprises a locking lever of the sliding member and a button member, and the locking lever is assembled on an upper side of the casing The button member can be rotatably pushed in one direction, and the button member is assembled to the casing to operate the locking lever. The antenna device of the small electronic device of claim 1, wherein the secondary antenna rod is assembled on one side of the slider and opened Rotate and push in the direction of the outside. The antenna device of the small electronic device according to claim 1, wherein the sub-antenna rod is in contact with a terminal assembled to the casing when the rod is opened. The antenna device of the small electronic device of claim 1, wherein the housing is a housing of a notebook computer or a personal digital assistant. The antenna device of the small electronic device of claim 1, wherein the housing is a housing of a mobile phone.