CN113488760A - Independent mobile phone antenna - Google Patents
Independent mobile phone antenna Download PDFInfo
- Publication number
- CN113488760A CN113488760A CN202110673980.1A CN202110673980A CN113488760A CN 113488760 A CN113488760 A CN 113488760A CN 202110673980 A CN202110673980 A CN 202110673980A CN 113488760 A CN113488760 A CN 113488760A
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- antenna
- mobile phone
- lead screw
- wall
- freestanding
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- 239000000758 substrate Substances 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 18
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009545 invasion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention belongs to the field of antennas, and particularly relates to an independent mobile phone antenna which comprises a mobile phone shell, wherein a substrate is arranged in an inner cavity of the mobile phone shell, four corners of the surface of the substrate are fixedly connected with the mobile phone shell in a detachable mode through first bolts, guide plates are fixed on two sides of the surface of the substrate, a lead screw motor is arranged between the two groups of guide plates, a lead screw is fixedly connected to the outer end of a transmission shaft of the lead screw motor, and a bearing is fixedly sleeved on the outer end of the lead screw. The screw rod motor can drive the screw rod to rotate, so that the screw rod sliding block can be driven to move, the antenna body can be driven to move by the movement of the screw rod sliding block, the antenna body can extend out of the mobile phone to receive signals, the signal enhancement function is achieved, and meanwhile the antenna body can stretch out and retract, so that the signal enhancement function is further improved.
Description
Technical Field
The invention relates to the field of antennas, in particular to an independent mobile phone antenna.
Background
An antenna is a transducer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space) or vice versa. A component for transmitting or receiving electromagnetic waves in a radio device. Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like all use electromagnetic waves to transmit information and work by depending on antennas. In addition, in transferring energy with electromagnetic waves, non-signal energy radiation also requires antennas. The antennas are generally reciprocal in that the same pair of antennas can be used as both transmit and receive antennas. The same antenna is the same as the basic characteristic parameter for transmission or reception. This is the reciprocity theorem for antennas.
The mobile phone antenna is a part for receiving and transmitting signals by a mobile phone, most of the existing paired mobile phone antennas are installed in the mobile phone, the structure is fixed, and when the mobile phone is in a remote place, the received signals are poor. For this reason, new technical solutions need to be designed to solve the problem.
Disclosure of Invention
The invention aims to provide a stand-alone mobile phone antenna, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an independent mobile phone antenna comprises a mobile phone shell, wherein a substrate is arranged in an inner cavity of the mobile phone shell, and four corners of the surface of the substrate are fixedly connected with the mobile phone shell in a detachable mode through first bolts;
the antenna comprises a base plate, guide plates, a lead screw motor, a lead screw sliding block and an antenna body, wherein the guide plates are fixed on two sides of the surface of the base plate, the lead screw motor is installed between the two guide plates, the outer end of a transmission shaft of the lead screw motor is fixedly connected with the lead screw, a bearing is fixedly sleeved on the outer end of the lead screw, the bearing is fixedly installed on the outer wall of the end plate, the end plate is fixed on the surface of the base plate, the lead screw sliding block is slidably sleeved on the outer wall of the lead screw, and the antenna body is fixedly installed on the left side of the top of the lead screw sliding block;
the top of the mobile phone shell is provided with a jack corresponding to the antenna body, a sealing block is inserted into an inner cavity of the jack, a notch is formed in the right side of the jack, a rubber strip is fixedly mounted on the inner wall of the notch, and the outer end of the rubber strip is fixedly connected with the sealing block.
As a preferred embodiment of the present invention, the inner wall of the guide plate is provided with a limiting sliding groove, an inner cavity of the limiting sliding groove is inserted with a limiting sliding block, and two sets of the limiting sliding blocks are respectively and fixedly connected with two side walls of the screw rod sliding block.
As a preferred embodiment of the present invention, an antenna module is fixedly mounted on the back surface of the substrate, the antenna module is inserted into a connecting end of an inner wall of the mobile phone housing, a strip-shaped hole is formed in the surface of the substrate, a flexible flat cable is disposed in the strip-shaped hole, one end of the flexible flat cable is connected to the antenna module, and the other end of the flexible flat cable is connected to the antenna body.
As a preferred embodiment of the present invention, the antenna body includes a first tube, a second tube, a rod and an end, the second tube is inserted into an inner cavity of the first tube, the rod is inserted into an inner cavity of the second tube, and the end is fixedly connected to an outer end of the rod.
As a preferred embodiment of the present invention, the sealing block includes an insertion block and a rubber sleeve, and the rubber sleeve is sleeved on the outer wall of the insertion block.
As a preferred embodiment of the present invention, first mounting plates are fixedly mounted on both sides of the outer wall of the guide plate, a second bolt is inserted into the surface of the first mounting plate, and the second bolt penetrates through the first mounting plate and is engaged with a first threaded hole formed in the surface of the base plate.
As a preferred embodiment of the present invention, a second mounting plate is fixedly mounted on each of two sides of the top of the end plate, a third bolt is inserted into the surface of the second mounting plate, and the third bolt penetrates through the second mounting plate and is engaged with a second threaded hole formed in the surface of the base plate.
As a preferred embodiment of the present invention, third mounting plates are welded to both side walls of the lead screw motor, and the third mounting plates are detachably fixed to the surface of the substrate by fourth bolts.
As a preferred embodiment of the present invention, a pull ring is fixedly connected to the top of the rubber sleeve, and the pull ring is a rubber pull ring.
As a preferred embodiment of the present invention, two side walls of the screw slider are respectively attached to inner walls of the two sets of the guide plates.
Compared with the prior art, the invention has the following beneficial effects:
1. the screw rod motor can drive the screw rod to rotate, so that the screw rod sliding block can be driven to move, the antenna body can be driven to move by the movement of the screw rod sliding block, the antenna body can extend out of the mobile phone to receive signals, the signal enhancement function is achieved, and meanwhile the antenna body can stretch out and retract, so that the signal enhancement function is further improved.
2. According to the invention, the sealing block is inserted into the jack, so that the slot can be sealed when the antenna does not need to extend, dust is prevented from entering the inside of the collection box to cause pollution, the mobile phone is effectively protected, and the service life of the mobile phone is prolonged.
3. According to the invention, the limiting slide block in the guide plate slides in the limiting slide groove, so that the moving track of the screw rod slide block can be limited, the movement is stable, and the condition of deviation is avoided.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of the overall structure of a stand-alone cellular phone antenna according to the present invention;
FIG. 2 is a schematic diagram of a guide plate structure of a stand-alone cellular phone antenna according to the present invention;
FIG. 3 is a schematic diagram of a substrate structure of a stand-alone cellular phone antenna according to the present invention;
FIG. 4 is a schematic diagram of an antenna body structure of a stand-alone cellular phone antenna according to the present invention;
fig. 5 is a schematic structural diagram of a sealing block of a stand-alone mobile phone antenna according to the present invention.
In the figure: 1. a handset housing; 2. a substrate; 3. a first bolt; 4. a guide plate; 5. a first mounting plate; 6. a second bolt; 7. a screw rod slide block; 8. a screw rod; 9. a bearing; 10. an end plate; 11. a second mounting plate; 12. a third bolt; 13. an antenna body; 14. a jack; 15. a sealing block; 16. a notch; 17. a rubber strip; 18. a screw motor; 19. a third mounting plate; 20. a fourth bolt; 21. a limiting chute; 22. a limiting slide block; 23. an antenna module; 24. a strip-shaped hole; 25. soft arranging wires; 26. a first pipe body; 27. a second tube body; 28. a rod body; 29. a tip; 30. inserting a block; 31. a rubber sleeve; 32. and (4) a pull ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations, the model of the electrical appliance provided in the present invention is only referred to, and different models of electrical appliances with the same function can be replaced according to the actual use situation.
Referring to fig. 1-5, the present invention provides a technical solution: an independent mobile phone antenna comprises a mobile phone shell 1, wherein a substrate 2 is installed in an inner cavity of the mobile phone shell 1, and four corners of the surface of the substrate 2 are detachably and fixedly connected with the mobile phone shell 1 through first bolts 3;
the antenna comprises a base plate 2, guide plates 4, a lead screw motor 18, a lead screw 8, a bearing 9 and an end plate 10, wherein the guide plates 4 are fixed on two sides of the surface of the base plate 2, the lead screw motor 18 is installed between the two guide plates 4, the outer end of a transmission shaft of the lead screw motor 18 is fixedly connected with the lead screw 8, the outer end of the lead screw 8 is fixedly sleeved with the bearing 9, the bearing 9 is fixedly installed on the outer wall of the end plate 10, the end plate 10 is fixed on the surface of the base plate 2, a lead screw slider 7 is slidably sleeved on the outer wall of the lead screw 8, and an antenna body 13 is fixedly installed on the left side of the top of the lead screw slider 7;
the top of the mobile phone shell 1 is provided with a jack 14 corresponding to the antenna body 13, a sealing block 15 is inserted into an inner cavity of the jack 14, a notch 16 is formed in the right side of the jack 14, a rubber strip 17 is fixedly mounted on the inner wall of the notch 16, and the outer end of the rubber strip 17 is fixedly connected with the sealing block 15.
According to the invention, when a signal needs to be enhanced, the sealing block 15 is firstly flushed and pulled away from the jack 14, then the lead screw motor 18 is started to drive the lead screw slider 7 to move upwards, the lead screw slider 7 is limited by the two groups of lead wire plates 4 in the moving process, the antenna body 13 is prevented from being deviated, so that the antenna body 13 can extend out of the mobile phone shell 1, the signal is enhanced by extending the antenna body 1 to the outside, when the signal does not need to be enhanced, the antenna body 13 is reset under the driving of the lead screw motor 18, the sealing block 15 is inserted into the jack 14 for sealing, so that dust invasion is avoided, the influence of dust on the interior of the mobile phone is avoided, and the service life is effectively prolonged.
In this embodiment, the inner wall of the guide plate 4 is provided with a limiting sliding groove 21, a limiting sliding block 22 is inserted into an inner cavity of the limiting sliding groove 21, and the two groups of limiting sliding blocks 22 are respectively fixedly connected with two side walls of the screw rod sliding block 7.
It should be noted that, in the process of lifting the screw rod slider 7, the limiting slider 22 is used for limiting, so that the screw rod slider 7 is lifted stably, and can move along the same track to avoid deviating from the track.
In this embodiment, the back fixed mounting of base plate 2 has antenna module 23, antenna module 23 and the grafting of the internal wall connection end of cell-phone casing 1, strip hole 24 has been seted up on the surface of base plate 2, strip hole 24 embeds there is soft winding displacement 25, the one end and the antenna module 23 of soft winding displacement 25 are connected, the other end and the antenna body 13 of soft winding displacement 25 are connected.
It should be noted that the antenna module 23 can be connected to a mobile phone, so that a received signal can be guided into the mobile phone, and meanwhile, the flexible flat cable 25 moves back and forth in the strip-shaped hole 24, so that a certain movement space is provided, so that the flexible flat cable 25 is not damaged.
In this embodiment, the antenna body 13 includes a first tube 26, a second tube 27, a rod 28 and an end 29, the second tube 27 is inserted into an inner cavity of the first tube 26, the rod 28 is inserted into an inner cavity of the second tube 27, and the end 29 is fixedly connected to an outer end of the rod 28.
It should be noted that the first tube 26, the second tube 27, the rod 28 and the head 29 can transmit signals, so as to stretch and further improve the ability of receiving signals.
In this embodiment, the sealing block 15 includes an insertion block 30 and a rubber sleeve 31, and the rubber sleeve 31 is sleeved on the outer wall of the insertion block 30.
It should be noted that the rubber sleeve 31 wraps the outer wall of the insert block 30, so as to be in interference fit with the insertion hole 14, thereby achieving sealing and avoiding dust invasion.
In this embodiment, first mounting plates 5 are fixedly mounted on both sides of the outer wall of the guide plate 4, a second bolt 6 is inserted into the surface of the first mounting plate 5, and the second bolt 6 penetrates through the first mounting plate 5 and is meshed with a first threaded hole formed in the surface of the substrate 2.
The second bolt 6 is fixed to the base plate 2, and has an effect of fixing the guide plate 4 by positioning the first mounting plate 5.
In this embodiment, both sides of the top of the end plate 10 are fixedly mounted with second mounting plates 11, third bolts 12 are inserted into the surfaces of the second mounting plates 11, and the third bolts 12 penetrate through the second mounting plates 11 and are engaged with second threaded holes formed in the surface of the substrate 2.
It should be noted that the end plate 10 is fixed by the third bolt 12, and is also conveniently detachable and convenient to overhaul.
In this embodiment, both side walls of the screw motor 18 are welded with third mounting plates 19, and the third mounting plates 19 are detachably fixed to the surface of the substrate 2 through fourth bolts 20.
Note that the screw motor is coupled by the fourth bolt 20.
In this embodiment, the top of the rubber sleeve 31 is fixedly connected with a pull ring 32, and the pull ring 32 is a rubber pull ring.
It should be noted that, the arrangement of the pull ring 32 facilitates the pulling of the worker when pulling the sealing block 15, so as to rapidly open the sealing block 15.
In this embodiment, two side walls of the screw rod sliding block 7 are respectively attached to the inner walls of the two groups of guide plates 4.
It is noted that the internal components are made more compact.
In addition, the components included in the independent mobile phone antenna are all universal standard components or components known by a person skilled in the art, the structure and the principle of the antenna are known by the person skilled in the art through technical manuals or conventional experimental methods, at the idle position of the device, all the electric devices refer to power elements, electric devices, adaptive monitoring computers and power supplies which are connected through leads, and specific connection means are provided.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A stand-alone mobile phone antenna, comprising a mobile phone housing (1), characterized in that: a base plate (2) is arranged in an inner cavity of the mobile phone shell (1), and four corners of the surface of the base plate (2) are detachably and fixedly connected with the mobile phone shell (1) through first bolts (3);
guide plates (4) are fixed on two sides of the surface of the substrate (2), a lead screw motor (18) is installed between two groups of guide plates (4), a lead screw (8) is fixedly connected to the outer end of a transmission shaft of the lead screw motor (18), a bearing (9) is fixedly sleeved on the outer end of the lead screw (8), the bearing (9) is fixedly installed on the outer wall of an end plate (10), the end plate (10) is fixed on the surface of the substrate (2), a lead screw sliding block (7) is slidably sleeved on the outer wall of the lead screw (8), and an antenna body (13) is fixedly installed on the left side of the top of the lead screw sliding block (7);
the top of the mobile phone shell (1) corresponds to the antenna body (13) and is provided with a jack (14), an inner cavity of the jack (14) is spliced with a sealing block (15), the right side of the jack (14) is provided with a notch (16), the inner wall of the notch (16) is fixedly provided with a rubber strip (17), and the outer end of the rubber strip (17) is fixedly connected with the sealing block (15).
2. A freestanding handset antenna as claimed in claim 1, wherein: the inner wall of the guide plate (4) is provided with a limiting sliding groove (21), a limiting sliding block (22) is inserted into an inner cavity of the limiting sliding groove (21), and the two groups of limiting sliding blocks (22) are fixedly connected with two side walls of the screw rod sliding block (7) respectively.
3. A freestanding handset antenna as claimed in claim 1, wherein: the back fixed mounting of base plate (2) has antenna module (23), antenna module (23) and cell-phone casing (1) inner wall link are pegged graft, bar hole (24) have been seted up on the surface of base plate (2), bar hole (24) embed soft arranging wire (25) have, the one end and the antenna module (23) of soft arranging wire (25) are connected, the other end and the antenna body (13) of soft arranging wire (25) are connected.
4. A freestanding handset antenna as claimed in claim 1, wherein: the antenna body (13) comprises a first pipe body (26), a second pipe body (27), a rod body (28) and an end head (29), the second pipe body (27) is inserted into an inner cavity of the first pipe body (26), the rod body (28) is inserted into an inner cavity of the second pipe body (27), and the end head (29) is fixedly connected to the outer end of the rod body (28).
5. A freestanding handset antenna as claimed in claim 1, wherein: the sealing block (15) comprises an insertion block (30) and a rubber sleeve (31), and the rubber sleeve (31) is sleeved on the outer wall of the insertion block (30).
6. A freestanding handset antenna as claimed in claim 1, wherein: the outer wall both sides of deflector (4) are equal fixed mounting have first mounting panel (5), the surface of first mounting panel (5) is pegged graft and is had second bolt (6), second bolt (6) run through first mounting panel (5) and with base plate (2) surface set up first screw hole meshing.
7. A freestanding handset antenna as claimed in claim 1, wherein: the top both sides of end plate (10) all fixed mounting have second mounting panel (11), the surface of second mounting panel (11) is pegged graft and is had third bolt (12), third bolt (12) run through second mounting panel (11) and offer the second screw hole meshing that has with base plate (2) surface.
8. A freestanding handset antenna as claimed in claim 1, wherein: the both sides wall of lead screw motor (18) all welds third mounting panel (19), third mounting panel (19) are through fourth bolt (20) and base plate (2) detachable fixed in surface.
9. A free standing handset antenna as claimed in claim 5, wherein: the top of the rubber sleeve (31) is fixedly connected with a pull ring (32), and the pull ring (32) is a rubber pull ring.
10. A freestanding handset antenna as claimed in claim 1, wherein: two side walls of the screw rod sliding block (7) are respectively attached to the inner walls of the two groups of guide plates (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110673980.1A CN113488760A (en) | 2021-06-17 | 2021-06-17 | Independent mobile phone antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110673980.1A CN113488760A (en) | 2021-06-17 | 2021-06-17 | Independent mobile phone antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113488760A true CN113488760A (en) | 2021-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110673980.1A Pending CN113488760A (en) | 2021-06-17 | 2021-06-17 | Independent mobile phone antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113488760A (en) |
Citations (10)
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|---|---|---|---|---|
| US5168278A (en) * | 1991-03-19 | 1992-12-01 | Sanyo Electric Co., Ltd. | Antenna device for electronic devices |
| US5497506A (en) * | 1994-02-18 | 1996-03-05 | Kabushiki Kaisha Kaken Corporation | Portable telephone |
| US5844985A (en) * | 1995-09-22 | 1998-12-01 | Qualcomm Incorporated | Vertically correcting antenna for portable telephone handsets |
| JP2006094255A (en) * | 2004-09-27 | 2006-04-06 | Kyocera Corp | Portable radio |
| CN101064374A (en) * | 2006-04-28 | 2007-10-31 | 佛山市顺德区顺达电脑厂有限公司 | Hand-hold electronic equipments with automatic telescopic aerials |
| CN106876882A (en) * | 2017-03-31 | 2017-06-20 | 安徽诚创鑫科技有限公司 | Free-standing antenna for mobile phone |
| CN210576390U (en) * | 2019-10-29 | 2020-05-19 | 深圳市斯凯互联卫星技术有限公司 | Built-in handheld antenna for handheld terminal equipment |
| CN210745137U (en) * | 2020-01-21 | 2020-06-12 | 李妙珠 | Intercom for communication |
| CN212412180U (en) * | 2020-05-11 | 2021-01-26 | 三万星空(西安)信息技术有限公司 | Lifting type antenna bracket for communication base station |
| CN213425184U (en) * | 2020-11-25 | 2021-06-11 | 昆山丰景拓电子有限公司 | Mobile phone antenna convenient to store |
-
2021
- 2021-06-17 CN CN202110673980.1A patent/CN113488760A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5168278A (en) * | 1991-03-19 | 1992-12-01 | Sanyo Electric Co., Ltd. | Antenna device for electronic devices |
| US5497506A (en) * | 1994-02-18 | 1996-03-05 | Kabushiki Kaisha Kaken Corporation | Portable telephone |
| US5844985A (en) * | 1995-09-22 | 1998-12-01 | Qualcomm Incorporated | Vertically correcting antenna for portable telephone handsets |
| JP2006094255A (en) * | 2004-09-27 | 2006-04-06 | Kyocera Corp | Portable radio |
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| CN210745137U (en) * | 2020-01-21 | 2020-06-12 | 李妙珠 | Intercom for communication |
| CN212412180U (en) * | 2020-05-11 | 2021-01-26 | 三万星空(西安)信息技术有限公司 | Lifting type antenna bracket for communication base station |
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|---|
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