CN111583561A - One-key calling system and method - Google Patents
One-key calling system and method Download PDFInfo
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- CN111583561A CN111583561A CN202010387174.3A CN202010387174A CN111583561A CN 111583561 A CN111583561 A CN 111583561A CN 202010387174 A CN202010387174 A CN 202010387174A CN 111583561 A CN111583561 A CN 111583561A
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- calling
- mounting frame
- shell
- intelligent terminal
- front shell
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
- G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
- G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
- G08B3/1083—Pager locating systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a one-key calling system and a one-key calling method, which comprise a calling machine, a database platform and an intelligent terminal; the calling machine comprises a shell and a communication control circuit which is arranged in the shell and used for transmitting calling signals; the communication control circuit is also connected with the positioning module and the power supply module; the calling signal sent by the calling machine is transmitted to the database platform through the telecom AEP platform; and the database platform is used for receiving and processing the call signal and feeding back a processing result to the intelligent terminal. The one-key calling system and the one-key calling method provided by the invention have the advantages that through nb-iot narrow-band internet of things communication, WiFi signals are not needed, the one-key calling system can be used indoors and outdoors, meanwhile, a product is provided with a GPS positioning module, the calling position can be reported under the outdoor condition, and a caller can be better found.
Description
Technical Field
The invention belongs to the field of callers, and particularly relates to a one-key calling system and a one-key calling method.
Background
The one-key calling machine is intelligent equipment which is set aiming at the conditions that the existing empty nests, solitary people and the disabled can not be solved in time when meeting difficulties, sudden diseases can not be called for help in time and inconvenience of living services is solved. The existing household one-key calling system mostly adopts WiFi communication, needs WiFi to be installed at home, cannot be used in an environment without WiFi, cannot be used when people leave home, does not have a GPS positioning function, is complex in structure and inconvenient to use, and can not call for help immediately when the old people are in emergency, so that the rescue time is delayed.
Disclosure of Invention
In view of the above, the present invention provides a one-touch paging system and a paging method, which are intended to overcome the above-mentioned drawbacks of the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the one-key calling system comprises a calling machine, a database platform and an intelligent terminal; the calling machine comprises a shell and a communication control circuit which is arranged in the shell and used for transmitting calling signals; the communication control circuit is also connected with the positioning module and the power supply module;
the calling signal sent by the calling machine is transmitted to the database platform through the telecom AEP platform; and the database platform is used for receiving and processing the call signal and feeding back a processing result to the intelligent terminal.
The calling machine also comprises an alarm trigger circuit, and the alarm trigger circuit is connected with the communication control circuit and the positioning circuit.
The main control chip of the communication control circuit adopts an nb-iot module with the model number of BC26_ OPENPU; the positioning module adopts an AT-6558R positioning chip.
The connection relationship between the BC26_ OPENPCPU and the AT-6558R is as follows:
the RXD _ DBG/UART2_ RXD pin of the BC26_ OPENCCPU is connected with the GP100 pin of AT-6558R
The TXD _ DBG/UART2_ TXD pin of the BC26_ OPENPCPU is connected with the GP101 pin of AT-6558R.
Further, the cabinet includes a front case and a rear case; the middle part of the front shell is rectangular, two ends of the front shell are semicircular, one side of the front shell is provided with a front shell groove corresponding to the shape of the front shell, and the outer side of the front shell is provided with an arc chamfer; the rear shell corresponds in shape to the front shell;
a front mounting frame is arranged in the front shell groove, and a key hole and an indicator lamp hole are also arranged outside the front mounting frame; the key hole and the indicator light hole are both circular and extend into the groove to form a corresponding key fixing ring and an indicator light fixing ring; a plurality of cylindrical nuts for fixing the rear shell are also arranged in the front shell groove; a cylindrical fixing piece is correspondingly arranged in the position, corresponding to the cylindrical nut, in the rear shell groove, and a screw hole is correspondingly arranged in the cylindrical fixing piece; the circuit board is arranged between the cylindrical nut and the cylindrical fixing piece and is fixed through a screw;
the rear shell is correspondingly provided with a rear shell groove; a rear mounting frame for placing a battery is correspondingly arranged in the rear shell groove; a notch corresponding to the shape of the rear mounting frame is arranged at the position of the outer surface of the rear shell corresponding to the rear mounting frame; the notch is correspondingly provided with a cover plate.
Furthermore, the front mounting frame is of a rectangular frame structure and is arranged along the side wall of the front shell groove, and a threading opening is also formed in one corner close to the inner part of the front shell groove;
the positions, close to the two end parts, of the inner wall of one side of the rear mounting frame are provided with rectangular limiting plates in an inward extending mode, and the other inner wall opposite to the inner wall is also provided with a rectangular limiting plate correspondingly; the rear mounting frame is parallel to the rectangular limiting plates, a T-shaped limiting plate is further arranged on the inner wall, close to the key hole, of the rear mounting frame, a transverse plate of the T-shaped limiting plate and the rectangular limiting plates are located on the same plane, and form two mounting grooves with the two adjacent rectangular limiting plates, and the two mounting grooves are respectively used for arranging connecting contacts of a positive electrode and a negative electrode of a battery; the inner wall of the rear mounting frame, which is far away from the T-shaped limiting plate, is provided with another two mounting grooves; the bottom of the rear shell is also provided with a wire hole for connecting a hanging rope.
Furthermore, two limiting pieces are arranged at the position, close to one end, of the inward side of the cover plate, a fixing plate is arranged on the end face, far away from one end of each limiting piece, of the cover plate in an outward extending mode, and a screw hole is correspondingly formed in the fixing plate; a rectangular pressing plate is further arranged on the inward side of the cover plate;
and a fixing block is arranged in the rear shell groove at a position corresponding to the fixing plate, and a screw hole is correspondingly arranged on the fixing block.
A calling method based on a one-key calling system comprises the following steps:
s1, a calling machine sends a calling signal;
s2, transmitting the signal to a database platform through a telecommunication AEP platform;
s3, the database platform receives, analyzes and processes the call signal, and feeds back a processing result to the intelligent terminal;
and S4, the intelligent terminal receives the calling signal, and the related personnel go to rescue.
The calling signal in the step S1 includes, but is not limited to, a device number, location information, and calling time; in the step S1, the calling machine adopts nb-iot narrow-band internet of things communication without using WiFi signals.
After the database receives the call signal in the step S3, storing the call signal into a corresponding call record table according to the device number; and the database platform feeds back the processing result to the intelligent terminal and simultaneously sends the short message to the designated receiver.
The intelligent terminal also has a user management function and can check call records; the intelligent terminal can be added with a plurality of short message receivers.
Compared with the prior art, the invention has the following advantages:
through nb-iot narrowband thing allies oneself with the communication, need not use the wiFi signal, can leave the indoor use of going out of home, the product is equipped with GPS orientation module simultaneously, can report the position of calling under the outdoor condition of going out, better finding the caller.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
fig. 1 is a schematic block diagram of a calling device according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a communication control circuit according to an embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of a positioning module according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an alarm circuit according to an embodiment of the present invention;
fig. 5 is a block diagram of a built-in APP of an intelligent terminal according to an embodiment of the present invention;
fig. 6 is a schematic front view of a calling machine according to an embodiment of the present invention;
fig. 7 is a schematic diagram of the back side of the calling machine according to the embodiment of the present invention;
fig. 8 is a front schematic view of a front housing according to an embodiment of the present invention;
fig. 9 is a schematic view of the back of the front case according to the inventive embodiment;
fig. 10 is a schematic front view of a rear housing according to an embodiment of the present invention;
FIG. 11 is a schematic view of the back of the rear housing according to the embodiment of the present invention;
FIG. 12 is a schematic front view of a cover plate according to an embodiment of the present invention;
FIG. 13 is a schematic view of the back side of the cover plate according to the embodiment of the present invention;
description of reference numerals:
1. a front housing; 2. a rear housing; 3. pressing a key; 4. an indicator light; 5. a cover plate; 101. a front mounting frame; 102. a threading opening; 103. a key hole; 104. an indicator light hole; 105. a key fixing ring; 106. an indicator lamp fixing ring; 107. a cylindrical nut; 201. a rear mounting frame; 202. a rectangular limiting plate; 203. a T-shaped limiting plate; 204. a wire hole; 205. a fixed block; 206. a cylindrical fixing member; 501. a limiting sheet; 502. a fixing plate; 503. and (7) pressing a plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
As shown in fig. 1, the one-touch calling system includes a calling machine, a database platform, and an intelligent terminal; the calling machine comprises a shell and a communication control circuit which is arranged in the shell and used for transmitting calling signals; the communication control circuit is also connected with the positioning module and the power supply module; the power module is a lithium battery, but not limited thereto.
The calling signal sent by the calling machine is transmitted to the database platform through the telecom AEP platform; and the database platform is used for receiving the signals and transmitting the signals to the intelligent terminal. The intelligent terminal adopts but is not limited to a smart phone;
as shown in fig. 2-4, the calling device further comprises an alarm triggering circuit, and the alarm triggering circuit is connected with the communication control circuit and the positioning circuit.
The main control chip of the communication control circuit adopts an nb-iot module with the model number of BC26_ OPENPU; the positioning module adopts an AT-6558R positioning chip.
The connection relationship between the BC26_ OPENPCPU and the AT-6558R is as follows:
the RXD _ DBG/UART2_ RXD pin of the BC26_ OPENCCPU is connected with the GP100 pin of AT-6558R
The TXD _ DBG/UART2_ TXD pin of the BC26_ OPENPCPU is connected with the GP101 pin of AT-6558R.
The SP1_ SCLK/EINT pin of the BC26_ OPENCCPU is connected with BOTTON _ N in the alarm circuit; the GPIO3/12SO _ WS/UART2_ RTS/PWM pin of the BC26_ OPENCCPU is connected with BUZZER _ EN in the alarm circuit;
as shown in fig. 6 to 13, the cabinet includes a front case 1 and a rear case 2; the middle part of the front shell 1 is rectangular, two ends of the front shell are semicircular, one side of the front shell is provided with a front shell groove corresponding to the shape of the front shell, and the outer side of the front shell is provided with an arc chamfer; the rear case 2 corresponds in shape to the front case 1;
a front mounting frame 101 is arranged in the front shell groove, and a key hole 103 and an indicator lamp hole 104 are also arranged outside the front mounting frame 101; the key hole 103 and the indicator lamp hole 104 are correspondingly provided with a key 3 and an indicator lamp 4. The key hole 103 and the indicator light hole 104 are both circular and extend into the groove to form a corresponding key fixing ring 105 and an indicator light fixing ring 106; a plurality of cylindrical nuts 107 for fixing the rear shell 2 are also arranged in the front shell groove; a cylindrical fixing piece 206 is correspondingly arranged in the position, corresponding to the cylindrical nut 107, in the rear shell groove, and a screw hole is correspondingly arranged in the cylindrical fixing piece 206; the circuit board is arranged between the cylindrical nut 107 and the cylindrical fixing piece 206 and is fixed through screws;
the rear shell 2 is correspondingly provided with a rear shell groove; a rear mounting frame 201 for placing a battery is correspondingly arranged in the rear shell groove; a notch corresponding to the shape of the rear mounting frame 201 is arranged at the position, corresponding to the rear mounting frame 201, of the outer surface of the rear shell 2; the notch is correspondingly provided with a cover plate 5. After the front shell and the rear shell are installed, the front installation frame 101 and the rear installation frame 201 are overlapped, and batteries are placed inside the front installation frame and the rear installation frame;
the front mounting frame 101 is of a rectangular frame structure, is arranged along the side wall of the front shell groove, and is also provided with a threading opening 102 at one corner close to the inner part of the front shell groove;
the positions of the inner wall of one side of the rear mounting frame 201, which are close to the two end parts, are provided with rectangular limiting plates 202 extending inwards, and the other inner wall opposite to the inner wall is also provided with a rectangular limiting plate 202 correspondingly; the rear mounting frame 201 is parallel to the rectangular limiting plate 202, a T-shaped limiting plate 203 is further arranged on the inner wall of the rear mounting frame, which is close to the key hole 103, a transverse plate of the T-shaped limiting plate 203 and the rectangular limiting plate 202 are in the same plane, and form two mounting grooves with the two adjacent rectangular limiting plates 202, and the two mounting grooves are respectively used for arranging connection contacts of the anode and the cathode of the battery; the inner wall of the rear mounting frame 201, which is far away from the T-shaped limiting plate 203, is provided with another two mounting grooves; the bottom of the rear shell 2 is also provided with a wire hole 204 for connecting a hanging rope.
Two limiting pieces 501 are arranged at the position, close to one end, of the inward side of the cover plate 5, a fixing plate 502 extends outwards from the end face of one end, far away from the limiting pieces 501, and screw holes are correspondingly formed in the fixing plate 502; a rectangular pressing plate 503 is further arranged on the inward side of the cover plate 5;
a fixing block 205 is arranged in the rear shell groove at a position corresponding to the fixing plate 502, and a screw hole is correspondingly arranged on the fixing block 205.
A calling method based on a one-key calling system comprises the following steps:
s1, a calling machine sends a calling signal;
s2, transmitting the signal to a database platform through a telecommunication AEP platform;
s3, the database platform receives, analyzes and processes the call signal, and feeds back a processing result to the intelligent terminal;
and S4, the intelligent terminal receives the calling signal, and the related personnel go to rescue.
As shown in fig. 5, which is a flowchart of an APP in the intelligent terminal, the call signal in step S1 includes, but is not limited to, a device number, location information, and a call time; in the step S1, the calling machine adopts nb-iot narrow-band internet of things communication without using WiFi signals.
After the database receives the call signal in the step S3, storing the call signal into a corresponding call record table according to the device number; and the database platform feeds back the processing result to the intelligent terminal and simultaneously sends the short message to the designated receiver.
The intelligent terminal also has a user management function and can check call records; the intelligent terminal can be added with a plurality of short message receivers.
According to the technical scheme, the Nb-iot communication ultra-low power consumption is adopted, the battery replacement frequency is reduced, meanwhile, the GPS positioning function is added, and the effect is better.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (10)
1. A push-to-call system, comprising: the system comprises a calling machine, a database platform and an intelligent terminal; the calling machine comprises a shell and a communication control circuit which is arranged in the shell and used for transmitting calling signals; the communication control circuit is also connected with the positioning module and the power supply module;
the calling signal sent by the calling machine is wirelessly transmitted to a database platform; and the database platform is used for receiving and processing the call signal and feeding back a processing result to the intelligent terminal.
2. The one-touch call system according to claim 1, wherein: the calling machine also comprises an alarm trigger circuit, and the alarm trigger circuit is connected with the communication control circuit and the positioning circuit;
the main control chip of the communication control circuit adopts an nb-iot module with the model number of BC26_ OPENPU; the positioning module adopts an AT-6558R positioning chip.
3. The one-touch call system according to claim 2, wherein: the connection relationship between the BC26_ OPENPCPU and the AT-6558R is as follows:
the RXD _ DBG/UART2_ RXD pin of the BC26_ OPENPCPU is connected with the GP100 pin of the AT-6558R,
the TXD _ DBG/UART2_ TXD pin of the BC26_ OPENPCPU is connected with the GP101 pin of AT-6558R.
4. The one-touch call system according to claim 1, wherein: the cabinet comprises a front case (1) and a rear case (2); the middle part of the front shell (1) is rectangular, two ends of the front shell are semicircular, one side of the front shell is provided with a front shell groove corresponding to the shape of the front shell, and the outer side of the front shell is provided with an arc chamfer; the rear shell (2) is shaped to correspond to the front shell (1);
a front mounting frame (101) is arranged in the front shell groove, and a key hole (103) and an indicator lamp hole (104) are arranged outside the front mounting frame (101); the key hole (103) and the indicator light hole (104) are both circular and extend inwards to form a corresponding key fixing ring (105) and an indicator light fixing ring (106); a plurality of cylindrical nuts (107) for fixing the rear shell (2) are also arranged in the front shell groove; a cylindrical fixing piece (206) is correspondingly arranged in the position, corresponding to the cylindrical nut (107), in the rear shell groove, and a screw hole is correspondingly arranged in the cylindrical fixing piece (206); the circuit board is arranged between the cylindrical nut (107) and the cylindrical fixing piece (206) and is fixed through a screw;
the rear shell (2) is correspondingly provided with a rear shell groove; a rear mounting frame (201) for placing a battery is correspondingly arranged in the rear shell groove; a notch corresponding to the shape of the rear mounting frame (201) is arranged at the position, corresponding to the rear mounting frame (201), of the outer surface of the rear shell (2); the notch is correspondingly provided with a cover plate (5).
5. The one-touch call system according to claim 4, wherein: the front mounting frame (101) is of a rectangular frame structure, is arranged along the side wall of the front shell groove, and is also provided with a threading opening (102) close to one corner inside the front shell groove;
the positions, close to the two end parts, of the inner wall of one side of the rear mounting frame (201) extend inwards to form rectangular limiting plates (202), and the other inner wall opposite to the inner wall is correspondingly provided with the rectangular limiting plates (202); the rear mounting frame (201) is parallel to the rectangular limiting plate (202), the inner wall of the rear mounting frame close to the key hole (103) is also provided with a T-shaped limiting plate (203), the transverse plate of the T-shaped limiting plate (203) and the rectangular limiting plate (202) are positioned on the same plane and form two mounting grooves with two adjacent rectangular limiting plates (202), and the two mounting grooves are respectively used for arranging connecting contacts of the anode and the cathode of the battery; the inner wall of the rear mounting frame (201), which is far away from the T-shaped limiting plate (203), is provided with another two mounting grooves; the bottom of the rear shell (2) is also provided with a wire hole (204) for connecting a hanging rope.
6. The one-touch call system according to claim 5, wherein: two limiting pieces (501) are arranged at the position, close to one end, of the inward side of the cover plate (5), a fixing plate (502) extends outwards from the end face of one end, far away from the limiting pieces (501), and a screw hole is correspondingly formed in the fixing plate (502); a rectangular pressing plate (503) is further arranged on the inward side of the cover plate (5);
a fixing block (205) is arranged in the rear shell groove at a position corresponding to the fixing plate (502), and a screw hole is correspondingly arranged on the fixing block (205).
7. A calling method based on the one-touch calling system of claim 1, characterized in that: the method comprises the following steps:
s1, a calling machine sends a calling signal;
s2, transmitting the signal to a database platform through a telecommunication AEP platform;
s3, the database platform receives, analyzes and processes the call signal, and feeds back a processing result to the intelligent terminal;
and S4, the intelligent terminal receives the calling signal, and the related personnel go to rescue.
8. The method of claim 7, wherein the calling method comprises: the calling signal in the step S1 includes, but is not limited to, a device number, location information, and calling time; in the step S1, the calling machine adopts nb-iot narrow-band internet of things communication without using WiFi signals.
9. The method of claim 7, wherein the calling method comprises: after the database receives the call signal in the step S3, storing the call signal into a corresponding call record table according to the device number; and the database platform feeds back the processing result to the intelligent terminal and simultaneously sends the short message to the designated receiver.
10. The method of claim 7, wherein the calling method comprises: the intelligent terminal also has a user management function and can check call records; the intelligent terminal can be added with a plurality of short message receivers.
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| CN202010387174.3A CN111583561A (en) | 2020-05-09 | 2020-05-09 | One-key calling system and method |
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| CN202010387174.3A CN111583561A (en) | 2020-05-09 | 2020-05-09 | One-key calling system and method |
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| CN209070708U (en) * | 2018-08-17 | 2019-07-05 | 安徽云森物联网科技有限公司 | A kind of One-key alarm |
| CN110097743A (en) * | 2019-06-04 | 2019-08-06 | 山东卡尔电气股份有限公司 | A kind of old man's positioning method for seeking help and help-asking system based on NB-Iot |
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2020
- 2020-05-09 CN CN202010387174.3A patent/CN111583561A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101262742B1 (en) * | 2012-06-05 | 2013-05-09 | 주식회사 에스엔씨케어 | Assistance device for safety |
| CN206946683U (en) * | 2017-04-27 | 2018-01-30 | 东莞优品电子制造有限公司 | A kind of network alarm based on smart home RMON technology |
| CN207074492U (en) * | 2017-05-19 | 2018-03-06 | 东莞优品电子制造有限公司 | Smart home security instrument based on Zigbee |
| CN207780933U (en) * | 2018-02-06 | 2018-08-28 | 厦门盈趣科技股份有限公司 | Call for help equipment and system |
| CN108667995A (en) * | 2018-04-04 | 2018-10-16 | 浙江大学 | A kind of sick and weak old man's communication apparatus |
| CN208888959U (en) * | 2018-06-06 | 2019-05-21 | 李淳悦 | Portable wireless calling sequence device |
| CN209070708U (en) * | 2018-08-17 | 2019-07-05 | 安徽云森物联网科技有限公司 | A kind of One-key alarm |
| CN110097743A (en) * | 2019-06-04 | 2019-08-06 | 山东卡尔电气股份有限公司 | A kind of old man's positioning method for seeking help and help-asking system based on NB-Iot |
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Application publication date: 20200825 |
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