CN113992284A - Portable signal strength detection device - Google Patents
Portable signal strength detection device Download PDFInfo
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- CN113992284A CN113992284A CN202111265013.8A CN202111265013A CN113992284A CN 113992284 A CN113992284 A CN 113992284A CN 202111265013 A CN202111265013 A CN 202111265013A CN 113992284 A CN113992284 A CN 113992284A
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- 238000001514 detection method Methods 0.000 title claims abstract description 94
- 230000003321 amplification Effects 0.000 claims description 19
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000006880 cross-coupling reaction Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000002829 reductive effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3888—Arrangements for carrying or protecting transceivers
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- Quality & Reliability (AREA)
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- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a portable signal strength detection device. The portable signal strength detection device comprises; the portable box, the receiving detector and the transmitting detector; the portable box comprises a first accommodating cavity and a second accommodating cavity; the receiving and detecting machine is arranged in the first accommodating cavity; the emission detector is arranged in the second accommodating cavity; the receiving detector is used for detecting the intensity of a receiving signal of the equipment to be detected; the emission detector is used for detecting the intensity of the emission signal of the equipment to be detected. Through placing the receiving detection machine and the transmitting detection machine in the portable box, the problem that a signal detection device cannot be carried in the prior art can be solved while the signal detection structure is reduced. And moreover, the receiving detector and the transmitting detector are respectively adopted to detect the receiving and transmitting signals of the equipment to be detected, so that the detection accuracy can be further improved.
Description
Technical Field
The invention relates to the field of detection equipment, in particular to a portable signal strength detection device.
Background
The test of the receiving and dispatching intensity of the wireless signal in the conventional part of closed space must be sent to professional institution to test, and when detecting the wireless signal intensity of the inside equipment widely distributed in the outdoor operation of various places, the signal intensity is in the normal range after the cabinet is opened, if the cabinet is closed, because the signal reception can be influenced by the partial closed design of the cabinet, a device capable of detecting the received signal intensity and the transmitted signal intensity of the equipment is provided, which is a technical problem to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a portable signal strength detection device to accurately detect the strength of a transmitting and receiving signal of equipment.
In order to achieve the purpose, the invention provides the following scheme:
a portable signal strength detection apparatus comprising: the portable box, the receiving detector and the transmitting detector;
the portable case comprises a first accommodating cavity and a second accommodating cavity; the receiving detector is arranged in the first accommodating cavity; the emission detector is arranged in the second accommodating cavity;
the receiving detector is used for detecting the intensity of a receiving signal of the equipment to be detected; the emission detector is used for detecting the intensity of the emission signal of the equipment to be detected.
Preferably, the portable case further comprises: a data reader, a wireless transmitter and a display;
the data reader is connected with a data output port of the receiving detector and a data output port of the transmitting detector; the data reader is used for reading the detection signal of the receiving detector and the detection signal of the transmitting detector;
the wireless transmitter and the display are both connected with the data reader; the wireless transmitter is used for wirelessly transmitting the detection signal of the receiving detector and the detection signal of the transmitting detector to a remote client; the display is used for displaying the detection signal of the receiving detector and the detection signal of the transmitting detector.
Preferably, the portable case further comprises: a box body and an inserting plate;
the wireless transmitter is arranged on the upper end surface inside the box body; the display is arranged on the rear end face of the interior of the box body; the plug board is inserted in the box body, and the plug board is arranged opposite to the rear end face of the box body; the data reader is arranged on the lower end face in the box body; the first accommodating cavity and the second accommodating cavity are arranged on the rear end face inside the box body in parallel, and data through holes are formed in the lower end face of the first accommodating cavity and the lower end face of the second accommodating cavity; and the data line of the data reader is respectively connected with the data interface of the receiving detector in the first accommodating cavity and the data interface of the transmitting detector in the second accommodating cavity through the data through hole.
Preferably, the bottom outside of box is provided with the constant head tank, the bottom of picture peg is provided with the joint piece, just the constant head tank with the joint piece matches the setting.
Preferably, the material for preparing the insert plate is tempered glass.
Preferably, the reception detector includes: the system comprises an unbalanced source level cross coupling pair circuit, a local positive feedback load circuit and an output end clamping circuit which are sequentially cascaded;
the unbalanced source level cross coupling pair circuit is used for coupling the received signals to be detected; the local positive feedback load circuit is used for inhibiting the coupled receiving signal to be detected from oscillating; the output end clamping circuit is used for outputting the power of the received signal to be detected.
Preferably, the transmission detector includes: the device comprises a summing circuit, a first detection circuit and N amplification detection circuits;
the first detection circuit and the N amplification detection circuits are connected with the summation circuit.
Preferably, each of the amplification and detection circuits includes an amplification circuit and a second detection circuit;
the amplifying circuit comprises two input ends and two output ends. The N amplifying circuits in the amplifying and detecting circuit are connected in an N-stage cascade mode, two input ends of a first amplifying circuit are used for receiving a signal to be detected, and the N cascaded amplifying circuits are used for expanding the dynamic range of the signal to be detected and carrying out differential amplification on the signal to be detected;
the second detection circuit comprises two input ends and an output end; the two input ends of the first detection circuit are used for receiving a signal to be detected, the two input ends of each of the N second detection circuits are connected with the two output ends of one amplification circuit, and the first detection circuit and the second detection circuit are used for carrying out full-wave rectification on the differential amplification signal to obtain a direct-current term; the summing circuit is connected with the output end of the first detection circuit and the output end of the second detection circuit, and sums signals of the output end of the first detection circuit and the output end of the second detection circuit to obtain the power of the to-be-detected transmission signal.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
according to the portable signal strength detection device provided by the invention, the receiving detector and the transmitting detector are arranged in the portable box, so that the problem that the signal detection device cannot be carried in the prior art can be solved while the signal detection structure is reduced. And moreover, the receiving detector and the transmitting detector are respectively adopted to detect the receiving and transmitting signals of the equipment to be detected, so that the detection accuracy can be further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a portable signal strength detection device according to the present invention;
FIG. 2 is a side view of a portable signal strength testing device provided by the present invention;
fig. 3 is a schematic structural diagram of a receiving and detecting machine according to an embodiment of the present invention; wherein, both fig. 3(a) and fig. 3(b) are the internal circuit structure of the receiving and detecting machine;
fig. 4 is a schematic structural diagram of a transmission detector according to an embodiment of the present invention.
Description of the symbols:
1-1 first accommodating cavity, 1-2 second accommodating cavity, 1-3 data reader, 1-4 wireless transmitter, 1-5 display, 1-6 box, 1-7 plugboard, 1-71 clamping block, 1-8 first handle and 1-9 second handle.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a portable signal strength detection device to accurately detect the strength of a transmitting and receiving signal of equipment.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a schematic structural diagram of a portable signal strength detection apparatus provided in the present invention, and as shown in fig. 1, the portable signal strength detection apparatus includes: a portable case, a receiving detector and a transmitting detector.
The portable case includes a first receiving chamber 1-1 and a second receiving chamber 1-2. The receiving and detecting machine is arranged in the first accommodating cavity 1-1. The emission detector is arranged in the second accommodating cavity 1-2.
The receiving detector is used for detecting the strength of the received signal of the equipment to be detected. The emission detector is used for detecting the intensity of the emission signal of the equipment to be detected.
Wherein the fixed positions of the reception detector and the transmission detector are in the first and second housing chambers 1-1 and 1-2, and thus, the reception detector and the transmission detector are not shown in fig. 1.
Further, the portable case further includes: a data reader 1-3, a wireless transmitter 1-4 and a display 1-5.
The data reader 1-3 is connected to the data output port of the receiving detector and the data output port of the transmitting detector. The data reader 1-3 is used for reading the detection signal of the receiving detector and the detection signal of the transmitting detector.
The wireless transmitter 1-4 and the display 1-5 are both connected to the data reader 1-3. The wireless transmitter 1-4 is used for wirelessly transmitting the detection signal of the receiving detector and the detection signal of the transmitting detector to the remote client. The display 1-5 is used for displaying the detection signal of the receiving detector and the detection signal of the transmitting detector.
Further, the portable case may further include: a box body 1-6 and an inserting plate 1-7.
The wireless transmitter 1-4 is disposed on the upper end surface inside the case 1-6. The display 1-5 is arranged on the rear end face of the interior of the box body 1-6. The inserting plates 1-7 are inserted on the box bodies 1-6, and the inserting plates 1-7 are arranged opposite to the rear end surfaces of the box bodies 1-6. The data reader 1-3 is disposed at the lower end surface inside the case 1-6. The first accommodating cavity 1-1 and the second accommodating cavity 1-2 are arranged in parallel on the rear end face inside the box body 1-6, and data through holes are formed in the lower end face of the first accommodating cavity 1-1 and the lower end face of the second accommodating cavity 1-2. The data line of the data reader 1-3 is respectively connected with the data interface of the receiving detector in the first accommodating cavity 1-1 and the data interface of the transmitting detector in the second accommodating cavity 1-2 through the data through hole.
When the wireless detection device is used specifically, an operator can compare the detection data displayed on the display with the signal receiving and sending performance in the product specification of the equipment to be detected to obtain a detection result, and can also compare the detection data by the remote client after sending the detection data to the remote client through the wireless sender to obtain the detection result and generate a detection report. The remote client in the present invention is preferably a computer.
Furthermore, in order to improve the firmness of the insertion, a positioning groove (not shown in the figure) is arranged on the outer side of the bottom of the box body 1-6, a clamping block 1-71 is arranged at the bottom of the inserting plate 1-7, and the positioning groove and the clamping block 1-71 are arranged in a matching manner.
Preferably, the preparation material of picture peg is toughened glass to the user observes portable case inside each parts's in service behavior in real time.
In addition, the portable case provided by the invention is provided with a first handle 1-8 and a second handle 1-9 for carrying conveniently. The first handle 1-8 is arranged on the outer side of the top of the box body 1-6, the second handle 1-9 is arranged on the rear side of the box body, and the specific arrangement position is shown in fig. 1 and 2.
Further, the present invention provides a reception detector comprising: the circuit comprises an unbalanced source level cross coupling pair circuit, a local positive feedback load circuit and an output end clamping circuit which are sequentially cascaded.
The unbalanced source level cross coupling pair circuit is used for coupling the received signals to be detected. The local positive feedback load circuit is used for inhibiting the coupled receiving signal to be detected from oscillating. The output end clamping circuit is used for outputting the power of the received signal to be detected.
The internal circuit structure of the receiving detector is shown in fig. 3(a) and fig. 3(b), and the specific implementation principle thereof is the prior art (please refer to chinese patent CN101969351B), which is not described herein again.
Further, as shown in fig. 4, the emission detector employed in the present invention includes: the device comprises a summing circuit, a first detection circuit and N amplification detection circuits.
The first detection circuit and the N amplification detection circuits are connected with the summation circuit.
Preferably, each amplification detector circuit includes an amplification circuit and a second detector circuit.
The amplifying circuit comprises two input terminals and two output terminals. The N amplifying circuits in the amplifying and detecting circuit are connected in an N-stage cascade mode, two input ends of the first amplifying circuit are used for receiving a signal to be detected, and the N cascaded amplifying circuits are used for expanding the dynamic range of the signal to be detected and carrying out differential amplification on the signal to be detected.
The second detection circuit includes two input terminals and an output terminal. The two input ends of the first detection circuit are used for receiving a signal to be detected, the two input ends of each of the N second detection circuits are connected with the two output ends of one amplification circuit, and the first detection circuit and the second detection circuit are used for carrying out full-wave rectification on the differential amplification signal to obtain a direct current term. The summing circuit is connected with the output end of the first detection circuit and the output end of the second detection circuit, and sums signals of the output end of the first detection circuit and the output end of the second detection circuit to obtain the power of the to-be-detected transmission signal.
In fig. 4, "1" and "2" … … "N" each indicate a serial number.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. A portable signal strength detection apparatus, comprising: the portable box, the receiving detector and the transmitting detector;
the portable case comprises a first accommodating cavity and a second accommodating cavity; the receiving detector is arranged in the first accommodating cavity; the emission detector is arranged in the second accommodating cavity;
the receiving detector is used for detecting the intensity of a receiving signal of the equipment to be detected; the emission detector is used for detecting the intensity of the emission signal of the equipment to be detected.
2. The portable signal strength detection apparatus of claim 1, wherein the portable case further comprises: a data reader, a wireless transmitter and a display;
the data reader is connected with a data output port of the receiving detector and a data output port of the transmitting detector; the data reader is used for reading the detection signal of the receiving detector and the detection signal of the transmitting detector;
the wireless transmitter and the display are both connected with the data reader; the wireless transmitter is used for wirelessly transmitting the detection signal of the receiving detector and the detection signal of the transmitting detector to a remote client; the display is used for displaying the detection signal of the receiving detector and the detection signal of the transmitting detector.
3. The portable signal strength detection apparatus of claim 2, wherein the portable case further comprises: a box body and an inserting plate;
the wireless transmitter is arranged on the upper end surface inside the box body; the display is arranged on the rear end face of the interior of the box body; the plug board is inserted in the box body, and the plug board is arranged opposite to the rear end face of the box body; the data reader is arranged on the lower end face in the box body; the first accommodating cavity and the second accommodating cavity are arranged on the rear end face inside the box body in parallel, and data through holes are formed in the lower end face of the first accommodating cavity and the lower end face of the second accommodating cavity; and the data line of the data reader is respectively connected with the data interface of the receiving detector in the first accommodating cavity and the data interface of the transmitting detector in the second accommodating cavity through the data through hole.
4. The portable signal strength detection device of claim 3, wherein a positioning groove is formed in the outer side of the bottom of the box body, a clamping block is arranged at the bottom of the insertion plate, and the positioning groove and the clamping block are arranged in a matching manner.
5. The portable signal strength detection device of claim 3, wherein the plug board is made of tempered glass.
6. The portable signal strength detection device of claim 1, wherein the reception detector comprises: the system comprises an unbalanced source level cross coupling pair circuit, a local positive feedback load circuit and an output end clamping circuit which are sequentially cascaded;
the unbalanced source level cross coupling pair circuit is used for coupling the received signals to be detected; the local positive feedback load circuit is used for inhibiting the coupled receiving signal to be detected from oscillating; the output end clamping circuit is used for outputting the power of the received signal to be detected.
7. The portable signal strength detection apparatus of claim 1, wherein the transmission detector comprises: the device comprises a summing circuit, a first detection circuit and N amplification detection circuits;
the first detection circuit and the N amplification detection circuits are connected with the summation circuit.
8. The portable signal strength detecting device according to claim 7, wherein each of the amplifying and detecting circuits includes an amplifying circuit and a second detecting circuit;
the amplifying circuit comprises two input ends and two output ends. The N amplifying circuits in the amplifying and detecting circuit are connected in an N-stage cascade mode, two input ends of a first amplifying circuit are used for receiving a signal to be detected, and the N cascaded amplifying circuits are used for expanding the dynamic range of the signal to be detected and carrying out differential amplification on the signal to be detected;
the second detection circuit comprises two input ends and an output end; the two input ends of the first detection circuit are used for receiving a signal to be detected, the two input ends of each of the N second detection circuits are connected with the two output ends of one amplification circuit, and the first detection circuit and the second detection circuit are used for carrying out full-wave rectification on the differential amplification signal to obtain a direct-current term; the summing circuit is connected with the output end of the first detection circuit and the output end of the second detection circuit, and sums signals of the output end of the first detection circuit and the output end of the second detection circuit to obtain the power of the to-be-detected transmission signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265013.8A CN113992284A (en) | 2021-10-28 | 2021-10-28 | Portable signal strength detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111265013.8A CN113992284A (en) | 2021-10-28 | 2021-10-28 | Portable signal strength detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117353846A (en) * | 2023-11-08 | 2024-01-05 | 佛山市峡谷电子科技有限公司 | Portable 5G communication check out test set that carries |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990016033A1 (en) * | 1989-06-07 | 1990-12-27 | Norand Corporation | Hand-held data capture system with interchangeable modules |
| CN1146702A (en) * | 1995-06-06 | 1997-04-02 | 索尼公司 | Portable communication terminal equipment |
| EP0994574A1 (en) * | 1998-10-15 | 2000-04-19 | Lucent Technologies Inc. | Signal detector |
| US6122528A (en) * | 1998-07-27 | 2000-09-19 | Motorola, Inc. | Combination radio carry case and programmer |
| US6895419B1 (en) * | 1989-06-07 | 2005-05-17 | Broadcom Corporation | Hand-held computerized data collection terminal |
| CN101969351A (en) * | 2010-09-20 | 2011-02-09 | 东南大学 | Circuit for detecting strength of receipt signals |
| CN102932073A (en) * | 2012-10-17 | 2013-02-13 | 广州润芯信息技术有限公司 | Emission signal strength detecting circuit |
| CN206471832U (en) * | 2017-02-08 | 2017-09-05 | 南京博路电气有限公司 | A kind of reactive power compensation device |
| CN206807440U (en) * | 2017-06-20 | 2017-12-26 | 三峡大学 | A kind of field survivorship distress signal occurs and reception device |
| CN108336478A (en) * | 2017-01-20 | 2018-07-27 | 上海莫仕连接器有限公司 | A kind of mimo antennas device and mobile communication equipment |
| CN208454195U (en) * | 2018-07-12 | 2019-02-01 | 福建省特种设备检验研究院 | A kind of portable multifunctional intelligent elevator detection device |
| CN208490071U (en) * | 2018-07-27 | 2019-02-12 | 深圳市经合纬通讯设备有限公司 | A kind of indoor testing equipment assembling box for mobile communication network |
| US10277266B1 (en) * | 2018-03-21 | 2019-04-30 | Nguyen Tech LLC | Mobile device case and methods of making and using same |
| CN110324058A (en) * | 2019-06-25 | 2019-10-11 | 江苏富联通讯技术有限公司 | A kind of portable wireless communication node and its network-building method |
| CN209496404U (en) * | 2018-12-11 | 2019-10-15 | 杭州中立房地产土地评估规划咨询有限公司 | Value of house assesses device automatically |
| CN110660208A (en) * | 2019-09-20 | 2020-01-07 | 贵州永兴建设工程质量检测有限公司 | Wireless transmission device for detection data |
| CN211510795U (en) * | 2019-12-09 | 2020-09-18 | 北京航天特种设备检测研究发展有限公司 | Portable multifunctional inspection box |
| CN212007087U (en) * | 2020-04-22 | 2020-11-24 | 湖南捷力泰科技有限公司 | Diaphragm thickness detection device |
| CN212413165U (en) * | 2020-07-02 | 2021-01-26 | 中国联合网络通信集团有限公司 | Auxiliary device for wireless signal test |
| CN213521870U (en) * | 2020-10-21 | 2021-06-22 | 广东汇杰电力集团有限公司 | Communication device of communication annunciator |
| CN113364534A (en) * | 2020-03-04 | 2021-09-07 | 佛山市云米电器科技有限公司 | Antenna testing method, device and computer readable storage medium |
-
2021
- 2021-10-28 CN CN202111265013.8A patent/CN113992284A/en active Pending
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6895419B1 (en) * | 1989-06-07 | 2005-05-17 | Broadcom Corporation | Hand-held computerized data collection terminal |
| WO1990016033A1 (en) * | 1989-06-07 | 1990-12-27 | Norand Corporation | Hand-held data capture system with interchangeable modules |
| CN1146702A (en) * | 1995-06-06 | 1997-04-02 | 索尼公司 | Portable communication terminal equipment |
| US6122528A (en) * | 1998-07-27 | 2000-09-19 | Motorola, Inc. | Combination radio carry case and programmer |
| EP0994574A1 (en) * | 1998-10-15 | 2000-04-19 | Lucent Technologies Inc. | Signal detector |
| CN101969351A (en) * | 2010-09-20 | 2011-02-09 | 东南大学 | Circuit for detecting strength of receipt signals |
| CN102932073A (en) * | 2012-10-17 | 2013-02-13 | 广州润芯信息技术有限公司 | Emission signal strength detecting circuit |
| CN108336478A (en) * | 2017-01-20 | 2018-07-27 | 上海莫仕连接器有限公司 | A kind of mimo antennas device and mobile communication equipment |
| CN206471832U (en) * | 2017-02-08 | 2017-09-05 | 南京博路电气有限公司 | A kind of reactive power compensation device |
| CN206807440U (en) * | 2017-06-20 | 2017-12-26 | 三峡大学 | A kind of field survivorship distress signal occurs and reception device |
| US10277266B1 (en) * | 2018-03-21 | 2019-04-30 | Nguyen Tech LLC | Mobile device case and methods of making and using same |
| CN208454195U (en) * | 2018-07-12 | 2019-02-01 | 福建省特种设备检验研究院 | A kind of portable multifunctional intelligent elevator detection device |
| CN208490071U (en) * | 2018-07-27 | 2019-02-12 | 深圳市经合纬通讯设备有限公司 | A kind of indoor testing equipment assembling box for mobile communication network |
| CN209496404U (en) * | 2018-12-11 | 2019-10-15 | 杭州中立房地产土地评估规划咨询有限公司 | Value of house assesses device automatically |
| CN110324058A (en) * | 2019-06-25 | 2019-10-11 | 江苏富联通讯技术有限公司 | A kind of portable wireless communication node and its network-building method |
| CN110660208A (en) * | 2019-09-20 | 2020-01-07 | 贵州永兴建设工程质量检测有限公司 | Wireless transmission device for detection data |
| CN211510795U (en) * | 2019-12-09 | 2020-09-18 | 北京航天特种设备检测研究发展有限公司 | Portable multifunctional inspection box |
| CN113364534A (en) * | 2020-03-04 | 2021-09-07 | 佛山市云米电器科技有限公司 | Antenna testing method, device and computer readable storage medium |
| CN212007087U (en) * | 2020-04-22 | 2020-11-24 | 湖南捷力泰科技有限公司 | Diaphragm thickness detection device |
| CN212413165U (en) * | 2020-07-02 | 2021-01-26 | 中国联合网络通信集团有限公司 | Auxiliary device for wireless signal test |
| CN213521870U (en) * | 2020-10-21 | 2021-06-22 | 广东汇杰电力集团有限公司 | Communication device of communication annunciator |
Non-Patent Citations (3)
| Title |
|---|
| 习俊梅;朱杰斌;黄良兵;李健;: "便携式数字化超声检测仪", 仪表技术与传感器, no. 09 * |
| 洪海生;白洋;徐炫东;: "配电自动化等效无线信号强度测试仪的研制", 广东电力, no. 09 * |
| 陈国顺,陈春沙,王格芳,刘胜利: "通用电路板在线测试仪设计与开发", 仪器仪表学报, no. 1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117353846A (en) * | 2023-11-08 | 2024-01-05 | 佛山市峡谷电子科技有限公司 | Portable 5G communication check out test set that carries |
| CN117353846B (en) * | 2023-11-08 | 2024-06-07 | 深圳市安一通信技术有限公司 | Portable 5G communication check out test set |
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