KR101034043B1 - Multi band antena assembly for using retractable antenna - Google Patents

Multi band antena assembly for using retractable antenna Download PDF

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Publication number
KR101034043B1
KR101034043B1 KR1020110000339A KR20110000339A KR101034043B1 KR 101034043 B1 KR101034043 B1 KR 101034043B1 KR 1020110000339 A KR1020110000339 A KR 1020110000339A KR 20110000339 A KR20110000339 A KR 20110000339A KR 101034043 B1 KR101034043 B1 KR 101034043B1
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KR
South Korea
Prior art keywords
antenna
band
retractable antenna
terminal housing
retractable
Prior art date
Application number
KR1020110000339A
Other languages
Korean (ko)
Inventor
김광화
윤성호
최일호
Original Assignee
(주)파트론
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Priority to KR1020110000339A priority Critical patent/KR101034043B1/en
Application granted granted Critical
Publication of KR101034043B1 publication Critical patent/KR101034043B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/10—Telescopic elements
    • H01Q1/103—Latching means; ensuring extension or retraction thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H01Q1/244—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas extendable from a housing along a given path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/10—Resonant antennas

Abstract

The present invention is a multi-retractable antenna using a retractable antenna that can receive not only a specific mobile TV reception band but also other bands (BT, GPS, WiBro, LTE, etc.) while minimizing a reduction in the manufacturing cost of the antenna and the space utilization inside the terminal. It is an object to provide a band antenna assembly.
To this end, the present invention provides a connection bushing for electrically connecting a retractable antenna releasably mounted to a terminal housing, a connecting portion of the retractable antenna, and a feeding part on a printed circuit board mounted inside the terminal housing. And a guide tube for guiding the retractable antenna to linearly move, and a radiator formed on the guide tube, and having one side connected to the connection bushing, wherein the retractable antenna moves outside the terminal housing. The radiator provides a multi-band antenna assembly that receives a first band when deployed and the retractable antenna is introduced into the terminal housing to receive a second band other than the first band when inserted.
Therefore, according to the present invention, according to the present invention, the radiator electrically connected to the retractable antenna is mounted on the inner / rear side of the upper or rear case of the guide tube into which the retractable antenna is inserted or the connection bushing is modified. And a mobile TV when the retractable antenna is deployed, and in the state where the retractable antenna is inserted into the terminal housing, frequencies of BT, GPS, WiBro, and LTE bands are transmitted through the radiator. By receiving, compared to the antenna structure according to the prior art, it is possible to minimize the reduction in the space utilization of the terminal housing and at the same time significantly lower the manufacturing cost.

Description

Multiband Antenna Assembly using Retractable Antenna {MULTI BAND ANTENA ASSEMBLY FOR USING RETRACTABLE ANTENNA}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multiband antenna assembly, and more particularly, to a multiband antenna using a retractable antenna for receiving a mobile TV (eg, TDMB, DVB-H, CMMB, ISDB-T, MediaFLO). An antenna assembly for implementation.

Recently, due to the rapid spread of mobile communication system and wireless data communication system and the mixing of various existing radio broadcasting and technologies, the demand for wireless means capable of operating in multiple frequency bands or wide frequency bands is increasing rapidly. . In particular, as the demand for digital convergence has soared, the user's taste of purchasing a single product to satisfy various needs has become common.

Digital convergence refers to the convergence of all information and communication technologies in a single device or service, combining not only basic calling functions but also mobile phones with digital cameras, MP3, broadcasting, and financial functions, such as BT (WiFi) and WiBro. And the like are representative examples. In addition, the commercialization of the DMB service that connects communication and broadcasting has made it possible to watch broadcasts on mobile phones or vehicle receivers. Like this, media of different types such as video, voice, and data are converged regardless of device or network to create new service.

In such a digital convergence terminal having an integrated function, a retractable antenna is generally installed and used to receive a mobile TV. The retractable antenna is mounted on the top of the terminal body to be pulled outward and the plurality of antenna rods are connected to each other. When the retractable antenna is pulled out of the terminal body, the retractable antenna is extended and the antenna is mounted at the end of the antenna rod. Head.

Inside the antenna head, a helical part is connected to the antenna rod and receives only a specific frequency band. Such an antenna is capable of transmitting and receiving one frequency when the antenna rod is pulled out of the terminal body while the antenna rod is extended to the maximum while the antenna head is pulled out by the antenna head installed at the end of the antenna rod.

However, as such, the retractable antenna is optimized for receiving a specific mobile TV reception band, for example, terrestrial Terrestrial Digital Multimedia Broadcasting (DMB) band, and thus, other bands, BT (WiFi) and GPS. (Global Positioning System), WiBro, there is a limit in receiving frequencies in the Long Term Evolution (LTE) band. In addition to the TDMB band, in order to receive frequencies in other bands, an external antenna must be installed outside the terminal or an antenna module must be installed independently inside, thereby increasing the antenna manufacturing cost or decreasing the space utilization inside the terminal.

Therefore, the present invention has been proposed to solve the problems according to the prior art, while minimizing the reduction in the manufacturing cost of the antenna and the space utilization inside the terminal, as well as the specific mobile TV reception band as well as other bands (BT, GPS, WiBro, It is an object of the present invention to provide a multi-band antenna assembly using a retractable antenna capable of receiving LTE, etc.).

According to an aspect of the present invention, there is provided a retractable antenna mounted on a terminal housing such that the terminal housing can be pulled out and pulled out, and an antenna length is increased when the terminal housing is pulled out, and a printed circuit board mounted inside the terminal housing is provided. A connecting bushing electrically connected to the whole, a guide tube mounted in the terminal housing and guiding the retractable antenna to move linearly, and extending in a direction parallel to the retractable antenna when the retractable antenna is retracted. And a radiator formed in a bar shape on the guide tube, wherein the retractable antenna and the radiator are connected to the connection bushing to be electrically connected to the feeder part, and the retractable antenna is drawn out. In the case of receiving a first band through the retractable antenna, the retractor When pulling of an antenna is to provide a multi-band antenna assembly for receiving a second band other than the first band through the radiator and the retractable antenna.

Preferably, the multi-band antenna assembly may further include a receiving portion injection molded on the guide tube to receive the radiator.

In addition, the present invention according to another aspect for achieving the above object is mounted in the terminal housing to be pulled out and retractable, the antenna length is increased when the withdrawal, and mounted in the terminal housing, the retractor A guide tube for guiding the linear antenna in a linear motion, and a power supply unit on a printed circuit board mounted inside the terminal housing, and at one side thereof, the retractable antenna is parallel to the retractable antenna when the retractable antenna is inserted; A connecting bushing having a radiator extended to the retractable antenna, wherein the retractable antenna and the radiator are connected to the connecting bushing to be electrically connected to the feeding part, and the retractable antenna is pulled out when the retractable antenna is pulled out. Receiving a first band through a tractor antenna, and when the retractable antenna is received Provides a multi-band antenna assembly for receiving a second band other than the first band through the radiator and the retractable antenna.

In addition, the present invention according to another aspect for achieving the above object is mounted in the terminal housing to enable the withdrawal and retractable, the retractable antenna that the antenna length is increased during withdrawal, the retractable antenna when the retractable antenna A radiator mounted along a groove provided on an inner surface of the terminal housing so as to extend in a direction parallel to the retractable antenna; a guide tube installed on the radiator to guide the retractable antenna in a linear motion; and the terminal housing. A connecting bushing connected to a feeding part on a printed circuit board mounted therein, wherein the retractable antenna and the radiator are connected to the connecting bushing to be electrically connected to the feeding part, and In the drawing, a first band is received through the retractable antenna, and the retractor is received. A multi-band antenna assembly for receiving a second band other than the first band through the retractable antenna and the radiator at the time of the retractable antenna.

In addition, the present invention according to another aspect for achieving the above object is a retractable antenna is mounted in the terminal housing to enable the extraction and withdrawal, the antenna length is increased when the withdrawal, and is installed in the terminal housing and the retractor A guide tube for guiding the straight antenna to move linearly, a part of which is embedded in a groove provided on an outer surface of the terminal housing, and a part of which radiates through the terminal housing and extends to an inner surface of the terminal housing; A connecting bushing electrically connected to a feeding part on a printed circuit board mounted therein, wherein the retractable antenna and the radiator are connected to the connecting bushing to be electrically connected to the feeding part, and the retractable When the antenna is withdrawn, the first band is allocated through the retractable antenna. Shin and, at the time of pulling the retractable antenna provides a multi-band antenna assembly for receiving a second band other than the first band through the radiator and the retractable antenna.

Preferably, the first band is a Terrestrial Digital Multimedia Broadcasting (TDMB) band, a Digital Video Broadcasting-Handheld (DVB-H) band, a China Mobile Multimedia Broadcasting (CMMB) band, an Integrated Service Digital Broadcasting-T (ISDB-T) band , MediaFLO (Media Forward Link Only) band, BT (WiFi), Global Positioning System (GPS), WiBro, Long Term Evolution (LTE) band can be any one of the band.

Preferably, the second band may receive any one of BT (WiFi), Global Positioning System (GPS), WiBro, and Long Term Evolution (LTE) band.

As described above, according to the present invention, the radiator electrically connected to the retractable antenna is mounted on the inner / rear side of the upper or rear case of the guide tube into which the retractable antenna is inserted, or the connection bushing is modified. And a mobile TV when the retractable antenna is deployed, and receive frequencies of BT, GPS, WiBro, and LTE bands through the radiator when the retractable antenna is inserted into the terminal housing. As a result, compared to the antenna structure according to the prior art, it is possible to minimize the reduction in the space utilization of the terminal housing and at the same time significantly reduce the manufacturing cost.

1 and 2 show a multi-band antenna assembly according to Embodiment 1 of the present invention.
Figure 3 shows a multi-band antenna assembly according to Embodiment 2 of the present invention.
4 and 5 show a multi-band antenna assembly according to Embodiment 3 of the present invention.
6 and 7 illustrate a multi band antenna assembly according to Embodiment 4 of the present invention.
8 and 9 are operational characteristic diagrams of a multi band antenna assembly according to embodiments of the present invention.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below but may be implemented in various different forms.

In this specification, the embodiments are provided so that the disclosure of the present invention may be completed and the scope of the present invention may be completely provided to those skilled in the art. And the present invention is only defined by the scope of the claims. Thus, in some embodiments, well known components, well known operations and well known techniques are not described in detail in order to avoid obscuring the present invention.

Like reference numerals refer to like elements throughout. In addition, the terms used (discussed) herein are for the purpose of describing particular embodiments only and are not intended to be limiting of the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. Also, components and acts referred to as " comprising (or comprising) " do not exclude the presence or addition of one or more other components and operations.

The term "terminal housing" described in the present specification should be interpreted to include both the terminal case (front case and rear case) as well as the terminal body. In addition, the 'terminal' may include any portable terminal that receives a mobile TV. For example, it includes a portable terminal such as a smartphone, netbook, smartbook, MID, PMD and the like.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used in a sense that can be commonly understood by those skilled in the art. Also, commonly used predefined terms are not ideally or excessively interpreted unless they are defined.

Hereinafter, technical features of the present invention will be described in detail with reference to the accompanying drawings.

Example 1

1 is a plan view illustrating a multi-band antenna assembly according to Embodiment 1 of the present invention, Figure 2 is an exploded perspective view of the antenna assembly shown in FIG. Here, a state in which the retractable antenna 11 is inserted into the guide tube 13 is illustrated for convenience of description.

1 and 2, a multi-band antenna assembly 10 according to Embodiment 1 of the present invention includes a retractable antenna 11, a connecting bushing 12, a guide tube 13, and a radiator 14. It includes. In addition, the multi-band antenna assembly 10 may be an injection molded injection molded on the guide tube 13, and may further include a receiving portion 15 in which the radiator 14 is received therein.

The retractable antenna 11 is mounted to be extractable from the terminal housing (not shown), and is drawn out of the terminal housing to receive the first band when deployed. Here, the first band is a mobile TV band, that is, a broadcasting band, a TDMB band, a digital video broadcasting-handheld (DVB-H) band, a China Mobile Multimedia Broadcasting (CMMB) band, and an Integrated Service Digital Broadcasting-T (ISDB-T) band. , Media Forward Link Only (MediaFLO) band, and the like. In addition, the first band is a band received by the retractable antenna 11, and is not limited to the above-described broadcast band. For example, BT (WiFi), It may include a Global Positioning System (GPS), WiBro, and Long Term Evolution (LTE) band.

The retractable antenna 11 of the antenna assembly according to Embodiment 1 described in the present specification is designed to operate as a TDMB antenna when drawn out and deployed outside the terminal housing, and thus, the TDMB band (174 to 216 MHz when the antenna assembly is deployed). ) Frequency.

Although not shown, the retractable antenna 11 generally includes a base electrically connected to the terminal housing, an antenna rod rotatably connected by the base and the pivot connection portion, and an antenna head connected to an upper end of the antenna rod. It may include. Alternatively, the retractable antenna 11 may include a first hinge metal electrically connected to the terminal housing, a joint portion connecting the first hinge metal and the second hinge metal, and an antenna rod connected to the second hinge metal. It may include an antenna head connected to the antenna rod and the upper end.

The connecting bushing 12 is electrically connected to the connecting portion of the retractable antenna 11 and the feeding portion on the printed circuit board mounted inside the terminal housing, that is, the terminal housing. The connecting bushing 12 may be formed in, for example, a cylindrical shape, the outer peripheral surface of which is provided with a threaded portion extending to one side and may be screwed to the terminal housing, and an inner retractable antenna 11 on the inner peripheral surface thereof. Can be inserted. The connection bushing 12 is not limited to a cylindrical shape, but may be formed in various shapes, for example, a rectangular box shape.

The guide tube 13 is installed inside the terminal housing to prevent the retractable antenna 11 from bending. The guide tube 13 may be formed of, for example, a cylindrical resin material and mounted in the longitudinal direction of the terminal housing. The guide tube 13 guides the retractable antenna 11 to be vertically drawn when the retractable antenna 11 is introduced into the terminal housing, thereby preventing the pivot connection portion of the retractable antenna 11 from bending. The guide tube 13 is not limited to a circular shape, and may be implemented in various forms such as a rectangular box shape according to the outer shape of the retractable antenna 11.

The radiator 14 is mounted on the guide tube 13 in a direction parallel to the guide tube 13. The radiator 14 is electrically connected to the main printed circuit board mounted inside the terminal housing through the connecting bushing 12. The radiator 14 extends in the form of a bar, and one side thereof is provided with a screw portion for electrically connecting with the connecting bushing 12 so that the screw is fastened to the terminal housing simultaneously with the connecting bushing 12. Is fixed.

The radiator 14 functions as a sub antenna for receiving the second band when the retractable antenna 11 is introduced into the terminal housing. For example, the second band may be any one of a BT (WiFi), a Global Positioning System (GPS), WiBro, and a Long Term Evolution (LTE) band. The radiator 14 may receive any one of the second bands by adjusting its length in design. That is, the tuning is possible by adjusting the length of the radiator 14 during design.

Example 2

3 is a plan view illustrating a multi-band antenna assembly according to Embodiment 2 of the present invention. Here, the retractable antenna 21 is drawn in for convenience of description.

Referring to FIG. 3, the multi-band antenna assembly according to Embodiment 2 of the present invention does not form a separate radiator 14 on the guide tube 13 like the antenna assembly 10 according to Embodiment 1, Part of the connecting bushing 22 is designed to function as a radiator.

The connecting bushing 22 is electrically connected to a connecting portion of the retractable antenna 21 and a feeding portion on a printed circuit board mounted inside the rear case 100 of the terminal housing. The connecting bushing 22 may be formed in, for example, a cylindrical shape, one side of the outer circumferential surface thereof is formed with a radiator 22a extending in parallel with the retractable antenna 21, and the other side is provided with a screw portion. The screw is fastened to the terminal housing, and the retractable antenna 21 is inserted into the inner circumferential surface thereof. The connecting bushing 22 is not limited to the above-described cylindrical shape, but may be formed in various shapes, for example, a rectangular box shape.

The radiator 22a can be manufactured by injection molding simultaneously with the connecting bushing 22 as part of the connecting bushing 22. The radiator 22a extends in one direction from the connecting bushing 22 into which the retractable antenna 21 is inserted, and the length (or width) of the radiator 22a may be appropriately selected according to a band to be received. In addition, the shape of the radiator 22a is not limited, and the retractable antenna 21 (or guide tube) is increased in order to increase the adhesion with the outer circumferential surface of the retractable antenna 21 (or the guide tube 23). According to the appearance of (23)), it may be formed in various shapes, for example, in the form of a bar having a cylindrical or substantially semi-circular cross section.

According to the antenna assembly according to the second embodiment of the present invention, when the retractable antenna 21 is drawn out and developed outside the rear case 100 of the terminal housing, the first band is TDMB band and DVB-H (Digital Video Broadcasting-). Receives one of a handheld band, a CMMB (China Mobile Multimedia Broadcasting) band, an Integrated Service Digital Broadcasting-T (ISDB-T) band, and a Media Forward Link Only (MediaFLO) band. In addition, according to the maximum resonant frequency may receive BT (WiFi), GPS (Global Positioning System), WiBro, Long Term Evolution (LTE) band. Then, when the retractable antenna 21 is drawn into the rear case 100 of the terminal housing, the second bands BT (WiFi) and GPS (Global Positioning System) are provided through the radiator 22a of the bushing 22 for connection. Receives one of the frequency bands of WiBro, Long Term Evolution (LTE) band.

Antenna assembly according to the second embodiment of the present invention can improve the space utilization of the terminal housing compared to the antenna assembly according to the first embodiment. That is, the antenna assembly according to the second embodiment of the present invention extends one side of the conventional bushing for connection, which is used in the terminal housing, as in the first embodiment of the present invention to form a radiator separately. As a result, the space utilization can be improved without increasing the thickness of the terminal housing.

Example 3

4 and 5 are views for explaining a multi-band antenna assembly according to a third embodiment of the present invention, Figure 4 is an exploded perspective view of a multi-band antenna assembly according to a third embodiment of the present invention, Figure 5 4 is an assembly view of the multi-band antenna assembly shown in FIG.

4 and 5, the multi-band antenna assembly according to Embodiment 3 of the present invention includes a radiator 31 mounted on an inner surface of the rear case 200 of the terminal housing. The radiator 31 may be mounted to extend along the groove formed on the inner surface of the rear case 200.

The radiator 31 is mounted in the direction parallel to the retractable antenna 33 when the retractable antenna 33 enters the rear case 200, and is printed inside the terminal housing through the connecting bushing 32. It is electrically connected to a power supply unit on a circuit board. The radiator 31 is elongated in the form of a bar having a rectangular cross section, for example, and one side thereof is provided with a screw portion for electrically connecting with the connecting bushing 32. Accordingly, the radiator 31 may be screwed and fixed to the rear case 200 at the same time as the connection bushing 32. In the antenna structure according to Embodiment 3 of the present invention, the shape of the radiator 31 is not limited to the bar shape, and the bar shape has a semicircular cross section according to the shape of the groove formed on the inner surface of the rear case 200. It may be implemented in a variety of shapes, such as.

The radiator 31, like other embodiments, functions as a sub-antenna that receives the second band independently of the retractable antenna 33 when the retractable antenna 33 is introduced into the terminal housing. That is, the radiator 31 may receive any one of BT (WiFi), Global Positioning System (GPS), WiBro, and Long Term Evolution (LTE) band according to its length.

Example 4

6 and 7 are views for explaining a multi-band antenna assembly according to a fourth embodiment of the present invention, Figure 6 is an exploded perspective view of the multi-band antenna assembly, Figure 7 is an outer surface of the rear case 300 It is a figure which shows the radiator 41 attached to (rear surface).

6 and 7, in the multi-band antenna assembly according to Embodiment 4 of the present invention, the radiator 41 is not mounted inside the terminal housing like the antenna assemblies according to Embodiments 1 to 3, but is not mounted inside the terminal housing. It is mounted on the outer surface of the rear case 300.

The radiator 41 is partially embedded in a terminal housing, that is, a groove provided in the outer surface of the rear case 300, and the other part extends through the rear case 300 and extends to the inner surface of the rear case 300. The portion mounted on the outer surface of the rear case 300 of the radiator 41 may be formed in a relatively thin plate-like structure in order to increase the adhesion to the rear case 300. In addition, as the radiator 41, a printed circuit board such as, for example, a flexible printed circuit board (FPCB) may be used as well as the radiator having a thin plate structure.

On the other hand, the position on which the radiator 41 is mounted is not limited. That is, the radiator 41 may be mounted where the rear surface of the rear case 300 includes the position shown in FIG. 7. For example, the radiator 41 may be mounted in parallel with the retractable antenna 43 while the retractable antenna 43 is drawn into the rear case 300.

The portion of the radiator 41 extending to the inner surface of the rear case 300 is electrically connected to the feeder of the printed circuit board mounted inside the terminal housing through the connecting bushing 42. To this end, one side of the radiator 41 is provided with a screw portion for electrically connecting with the connecting bushing 42, and is screwed and fixed to the rear case 300 at the same time as the connecting bushing 42.

8 and 9 are measurement diagrams for explaining the operation characteristics of the antenna assembly according to the embodiments of the present invention, Figure 8 is a retractable antenna is inserted into the terminal housing, BT (WiFi) Figure 2 shows the voltage standing wave ratio (VSWR) and the gain (passive gain) of the antenna assembly in the band 2400MHz, 2480MHz, Figure 9 is the voltage standing wave ratio (VSWR) and gain (passive gain) of the antenna assembly in the GPS band 1575MHz ).

8 and 9, the antenna assembly according to the present invention receives the mobile TV through the retractable antenna in a state in which the retractable antenna is drawn out to the outside of the terminal housing, and the retractable antenna is inside the terminal housing. In the inserted state, it can be confirmed that BT (WiFi), Global Positioning System (GPS), WiBro, and Long Term Evolution (LTE) bands can be received according to the size of the radiator mounted on the inside / rear of the terminal housing. .

For example, the radiator according to the embodiments of the present invention has a resonance length of approximately 3 cm to generate resonance in the BT (WiFi) band (2400 MHz). In addition, the radiator is designed to have a resonance length of approximately 5 cm to generate resonance in the GPS band (1575 MHz). As such, the band to be received can be tuned by adjusting the length of the radiator.

As described above, although the technical spirit of the present invention has been described in detail in the preferred embodiments, it should be noted that the above-described preferred embodiments are for the purpose of description and not of limitation. For example, preferred embodiments have been described independently, but combinations thereof are also possible. For example, a resonance for coupling between a retractable antenna and a radiator through a combination of embodiments 1 and 4, or a combination of embodiments 2 and 4, or a combination of embodiments 3 and 4 Multiple bands can be implemented through As such, those skilled in the art may understand that various embodiments are possible through the combination of the embodiments within the scope of the technical idea of the present invention.

10: antenna assembly
11, 21, 33: Retractable Antenna
12, 22, 32, 42: bushing for connection
13, 23: guide tube
14, 22a, 31, 41: radiator
100, 200, 300: rear case

Claims (7)

A retractable antenna mounted on the terminal housing to be capable of being pulled out and pulled out and having an extended antenna length when being pulled out;
A connecting bushing electrically connected to a feeding part on a printed circuit board mounted inside the terminal housing;
A guide tube mounted in the terminal housing and guiding the retractable antenna to linearly move; And
And a radiator formed in a bar shape on the guide tube such that the retractable antenna extends in a direction parallel to the retractable antenna when the retractable antenna is retracted,
The retractable antenna and the radiator are connected to the connection bushing to be electrically connected to the feeder. When the retractable antenna is drawn out, the retractable antenna receives the first band through the retractable antenna. And a second band other than the first band through the retractable antenna and the radiator when the tractor antenna is retracted. The method of claim 1,
And a receiving portion injection molded on the guide tube to accommodate the radiator. A retractable antenna mounted on the terminal housing to be capable of being pulled out and pulled out and having an extended antenna length when being pulled out;
A guide tube mounted in the terminal housing and guiding the retractable antenna to linearly move; And
A connecting bushing electrically connected to a feeding part on a printed circuit board mounted inside the terminal housing, and having one side of the retractable antenna extending in a direction parallel to the retractable antenna when the retractable antenna is inserted; and,
The retractable antenna and the radiator are connected to the connection bushing to be electrically connected to the feeder. When the retractable antenna is drawn out, the retractable antenna receives the first band through the retractable antenna. And a second band other than the first band through the retractable antenna and the radiator when the tractor antenna is retracted. A retractable antenna mounted on the terminal housing to be capable of being pulled out and pulled out and having an extended antenna length when being pulled out;
A radiator mounted along a groove provided in an inner surface of the terminal housing such that the retractable antenna extends in a direction parallel to the retractable antenna when the retractable antenna is retracted;
A guide tube installed on the radiator to guide the retractable antenna to move linearly; And
A connection bushing connected to a feeder on a printed circuit board mounted inside the terminal housing;
The retractable antenna and the radiator are connected to the connection bushing to be electrically connected to the feeder. When the retractable antenna is drawn out, the retractable antenna receives the first band through the retractable antenna. And a second band other than the first band through the retractable antenna and the radiator when the tractor antenna is retracted. A retractable antenna mounted on the terminal housing to be capable of being pulled out and pulled out and having an extended antenna length when being pulled out;
A guide tube installed in the terminal housing to guide the retractable antenna to move linearly;
A radiator which is partially embedded in a groove provided on an outer surface of the terminal housing, and the other part extends through the terminal housing to an inner surface of the terminal housing; And
A connection bushing electrically connected to a feeding part on a printed circuit board mounted inside the terminal housing;
The retractable antenna and the radiator are connected to the connection bushing to be electrically connected to the feeder. When the retractable antenna is drawn out, the retractable antenna receives the first band through the retractable antenna. And a second band other than the first band through the retractable antenna and the radiator when the tractor antenna is retracted. The method according to any one of claims 1, 3, 4 and 5,
The first band includes a Terrestrial Digital Multimedia Broadcasting (TDMB) band, a Digital Video Broadcasting-Handheld (DVB-H) band, a China Mobile Multimedia Broadcasting (CMMB) band, an Integrated Service Digital Broadcasting-T (ISDB-T) band, and MediaFLO (MediaFLO). A multi-band antenna assembly in any one of the Media Forward Link Only (BT) band, BT (WiFi), Global Positioning System (GPS), WiBro, and Long Term Evolution (LTE) band. The method according to claim 6,
The second band is a multi-band antenna assembly for receiving any one of the band (WiFi), Global Positioning System (GPS), WiBro, Long Term Evolution (LTE) band.
KR1020110000339A 2011-01-04 2011-01-04 Multi band antena assembly for using retractable antenna KR101034043B1 (en)

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KR101034043B1 true KR101034043B1 (en) 2011-05-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101244621B1 (en) 2011-10-31 2013-03-18 주식회사 알.에프.텍 Antenna apparatus
KR101290560B1 (en) 2011-08-30 2013-07-31 주식회사 알.에프.텍 Antenna and Method of Manufacturing the Same
US9231431B2 (en) 2012-12-12 2016-01-05 Samsung Electronics Co., Ltd Integrated circuit for wireless charging and operating method thereof

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KR20090037647A (en) * 2007-10-12 2009-04-16 삼성전자주식회사 Antenna device for portable terminal

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KR20090037647A (en) * 2007-10-12 2009-04-16 삼성전자주식회사 Antenna device for portable terminal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101290560B1 (en) 2011-08-30 2013-07-31 주식회사 알.에프.텍 Antenna and Method of Manufacturing the Same
KR101244621B1 (en) 2011-10-31 2013-03-18 주식회사 알.에프.텍 Antenna apparatus
US9231431B2 (en) 2012-12-12 2016-01-05 Samsung Electronics Co., Ltd Integrated circuit for wireless charging and operating method thereof
US9590450B2 (en) 2012-12-12 2017-03-07 Samsung Electronics Co., Ltd Integrated circuit for wireless charging and operating method thereof
US9979224B2 (en) 2012-12-12 2018-05-22 Samsung Electronics Co., Ltd Integrated circuit for wireless charging and operating method thereof

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