CN216526309U - Individual search and rescue positioning beacon device based on AIS and big dipper RDSS system - Google Patents
Individual search and rescue positioning beacon device based on AIS and big dipper RDSS system Download PDFInfo
- Publication number
- CN216526309U CN216526309U CN202123217250.5U CN202123217250U CN216526309U CN 216526309 U CN216526309 U CN 216526309U CN 202123217250 U CN202123217250 U CN 202123217250U CN 216526309 U CN216526309 U CN 216526309U
- Authority
- CN
- China
- Prior art keywords
- signal
- unit
- controller
- ais
- water immersion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Alarm Systems (AREA)
Abstract
The utility model relates to the technical field of search and rescue, in particular to a personal search and rescue positioning beacon device based on an AIS (automatic identification system) and Beidou RDSS (radio data system), which comprises a water immersion signal acquisition unit, a controller, a positioning unit, a signal broadcasting unit and a power supply unit, wherein the water immersion signal acquisition unit is used for acquiring a water immersion signal; the water immersion signal acquisition unit, the positioning unit, the power supply unit and the signal broadcasting unit are electrically connected with the controller; the water immersion signal acquisition unit, the positioning unit and the signal broadcasting unit are electrically connected with the power supply unit; the water immersion signal acquisition unit: collecting a water immersion signal, and feeding back the water immersion signal to the controller; the controller: controlling the power supply unit to be turned on or off according to the water immersion signal; the positioning unit: collecting a position signal and feeding back a position identification signal to the controller; the controller: and receiving the position identification signal fed back by the positioning unit, and controlling the signal broadcasting unit to broadcast the position signal. By adopting the scheme, the position information of the person falling into water can be quickly acquired, and the rescue success rate is improved.
Description
Technical Field
The utility model relates to the technical field of search and rescue, in particular to a personal search and rescue positioning beacon device based on an AIS (automatic identification system) and a Beidou RDSS (radio navigation satellite system).
Background
With the development of fishery, more and more people catch fish in the sea, which drives the rapid prosperity of the industry of the lifesaving equipment on the fishing boat. In the marine operation, the problem of falling into water of people occurs occasionally, the sea surface is wide, and rescue workers can hardly acquire the distress call information of the falling into water and determine the position of the falling into water, the accident occurrence time and the incident severity so as to provide the most timely rescue. Management personnel can carry out the method in an untried way all the time, and actually, the lack of effective technical means is an important reason that the rescue efficiency of the current marine accident is low and the rescue difficulty is high.
In order to ensure the life safety of personnel on the fishing boat, each fishing boat is provided with a life jacket. The marine life jacket as a common life saving device plays an irreplaceable role in the process of saving life in the sea or under the sea of a fishing boat, and is suitable for the life saving of various people in the ocean, coastal areas and inland rivers. However, the traditional marine life jacket lacks a positioning device, so that people can not find the position after falling into water, and the position of people in danger is difficult to determine in the vast sea, particularly, the people falling into water lose the best gold rescue time on the sea and die due to temperature loss at night and in severe weather such as strong wind, heavy rain or heavy fog. The frequent occurrence of marine accidents causes irrecoverable huge economic loss and adverse social effects, so that how to quickly acquire the position information of a person falling into water when an accident occurs and improve the success rate of rescue become the key problems to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a personal search and rescue positioning beacon device based on an AIS (automatic identification system) and a Beidou RDSS (radio navigation satellite system), which can quickly acquire the position information of a person falling into water and improve the success rate of rescue.
The basic scheme provided by the utility model is as follows:
a personal search and rescue positioning beacon device based on an AIS (automatic identification system) and a Beidou RDSS (radio data system) system comprises a water immersion signal acquisition unit, a controller, a positioning unit, a signal broadcasting unit and a power supply unit;
the water immersion signal acquisition unit, the positioning unit, the power supply unit and the signal broadcasting unit are electrically connected with the controller;
the water immersion signal acquisition unit, the positioning unit and the signal broadcasting unit are electrically connected with the power supply unit;
the water immersion signal acquisition unit: collecting a water immersion signal, and feeding back the water immersion signal to the controller;
the controller: controlling the power supply unit to be turned on or off according to the water immersion signal;
the positioning unit: collecting a position signal and feeding back a position identification signal to the controller;
the controller: and receiving the position identification signal fed back by the positioning unit, and controlling the signal broadcasting unit to broadcast the position signal.
The principle and the advantages of the utility model are as follows: the controller is according to the water logging signal, the control power supply unit open and close to can save power supply unit's electric quantity, open power supply unit in good time and for the system power supply, after the guarantee accident takes place, the system has longer time of endurance, avoids personnel to fall into water the back, because of the not enough personnel later stage that lead to of system electric quantity loss of contact, increase first-aid staff's the search and rescue degree of difficulty. By adopting the scheme, the effect of quickly acquiring the position information of the drowning person when an accident happens can be achieved, and the position signal of the drowning person is broadcasted in time, so that rescue workers can conveniently organize maritime search and rescue actions; need not personnel's operation, can realize that the very first time after the personnel fall into water reports to the police, the person of being convenient for rescue in time knows the person that falls into water and has the distress condition to know its position, thereby be favorable to the rescue personnel to the quick rescue of the person that falls into water, shorten search and rescue time, promote the rescue success rate.
Further, the signal broadcasting unit comprises a Beidou RDSS terminal and an AIS transmitting terminal;
the Beidou RDSS terminal: broadcasting the position signal through a Beidou short message uplink;
the AIS transmitting terminal: the position signal is transmitted via a transmitting antenna.
Has the advantages that: the Beidou RDSS terminal is used for broadcasting the position signal of the person falling into the water, so that the rescue management department can conveniently acquire the person falling into the water information of each place in real time; the AIS transmitting terminal reports the position signal of the person falling into the water in time, so that the person can conveniently ask for help from the ship or an adjacent ship. The multichannel realizes the broadcast of drowning person position signal, improves rescue efficiency and rescue success rate.
Further, the positioning unit comprises a Beidou positioner and a signal amplifier, and the Beidou positioner is electrically connected with the signal amplifier;
the signal amplifier: amplifying the position signal and sending the amplified position signal to a Beidou positioner;
the Beidou positioner is characterized in that: and identifying the amplified position signal and feeding back a position identification signal to the controller.
Has the advantages that: the collected position signals are amplified through the signal amplifier, and the positioning precision is improved.
Further, the controller is a single chip microcontroller.
Has the advantages that: the single-chip microcontroller is small in size and light in weight, and the burden of personnel at sea can be reduced when the personnel carry the individual search and rescue positioning beacon device.
The environment monitoring unit is electrically connected with the controller and the power supply unit;
the environment monitoring unit: collecting environmental information and feeding back an environmental signal to the controller;
the controller: and receiving an environment signal of the environment monitoring unit, and controlling the signal broadcasting unit to broadcast the environment information.
Has the advantages that: the environmental information is monitored, the actual positions of the persons in distress and the surrounding environmental information are broadcast in time, the search and rescue personnel can know the current situation of the environment where the person falling into the water is located conveniently, and therefore the rescue work can be conducted conveniently.
Further, the environment monitoring unit comprises a temperature sensor and a wind speed sensor; the environment information comprises water temperature information and wind speed information;
the temperature sensor is characterized in that: collecting water temperature information and feeding back a water temperature signal to the controller;
the wind speed sensor is characterized in that: and acquiring wind speed information, and feeding back a wind speed signal to the controller.
Has the advantages that: the water temperature information and the air speed information are collected, so that the rescue workers can know the environmental information of the position of the drowning person more comprehensively.
The alarm indication unit is electrically connected with the controller and the power supply unit;
the controller: and controlling the opening and closing of the alarm indicating unit according to the water immersion signal.
Has the advantages that: and carrying out alarm indication according to the water immersion signal.
Further, the environment monitoring unit further comprises a sunlight sensor, and the environment information further comprises sunlight information; the alarm indicating unit comprises an indicating lamp;
the sunlight sensor comprises: collecting sunlight information and feeding back sunlight signals to the controller;
the controller: and controlling the on-off of the indicator lamp according to the water immersion signal and the sunlight information.
Has the advantages that: the opening of pilot lamp needs to continuously consume the electric quantity of power supply unit, and when the illumination condition was good, the pilot lamp was not obvious under the sunlight, did not have too big help to rescue personnel's search work, more needed this moment is that guarantee power supply unit's electric quantity is sufficient, and when the illumination condition was not good, light can let the person of falling into water show more in the sea, and the rescue personnel of being convenient for discover the person of falling into water fast, promotes rescue efficiency. Therefore, according to sunlight information, the on-off of the control indicator lamp is favorable for slowing down the electric quantity loss of the power supply device, and the rescue efficiency is improved.
Further, the alarm indication unit comprises a buzzer.
Has the advantages that: the alarm is given to the police through the buzzer, the coast is wide, the person falling into the water needs to keep physical power after falling into the water, after the buzzer is opened, the person falling into the water does not need to consume physical power to call for help by oneself, and the sound penetrating power of the buzzer is large, so that the buzzer can play a good role in asking for help and prompting the position of the person falling into the water.
The intelligent alarm device further comprises a prompt lamp unit, wherein the prompt lamp unit is electrically connected with the controller and is electrically connected with the power supply unit;
the signal broadcasting unit: broadcasting the position signal, feeding back information and sending a state signal to the controller;
the controller: and controlling the start and stop of the prompting lamp unit according to the information sending state signal.
Has the advantages that: according to the information sending state signal, the prompt lamp unit is controlled to be turned on or off, so that the drowning person can know the information sending condition of the drowning person and can recover the fear feeling of the drowned person.
Drawings
Fig. 1 is a schematic connection diagram of a personal search and rescue positioning beacon device based on AIS and beidou RDSS systems according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
example 1:
example 1 is substantially as shown in figure 1:
traditional marine life vest lacks positioner, and the personnel can not find the position after falling into water, and this scheme provides a personnel search and rescue location beacon device based on AIS and big dipper RDSS system, hereinafter be referred to as beacon device for short, and this beacon device can set up on the life vest, specifically includes water logging signal acquisition unit, controller, positioning unit, signal broadcasting unit, environmental monitoring unit, alarm indication unit, power supply unit and warning light unit.
The water immersion signal acquisition unit, the positioning unit, the power supply unit, the environment monitoring unit, the alarm indicating unit, the prompting lamp unit and the signal broadcasting unit are electrically connected with the controller; the water immersion signal acquisition unit, the positioning unit, the environment monitoring unit, the alarm indicating unit, the prompting lamp unit and the signal broadcasting unit are all electrically connected with the power supply unit. The power supply unit is used for providing power.
In this embodiment, the water logging signal acquisition unit is a water logging sensor, and the specific model is SJCGQ11LM, and is from taking the battery, and the battery specification is CR 2032. The water immersion signal acquisition unit acquires a water immersion signal in real time, detects whether a user falls into water or not, and feeds the water immersion signal back to the controller. In this embodiment, the controller is a single-chip microcontroller, and the specific model is STM32F108T 6.
And the controller controls the power supply unit to be opened and closed and the alarm indicating unit to be opened and closed according to the water immersion signal. Under the normal condition, the power supply unit is in the closed condition, avoids the electric quantity extravagant, gathers the water logging signal when water logging signal acquisition unit, and when the user had the condition of falling into water, the controller controlled power supply unit immediately and opened, provides the power for the system to in time open the warning indicating unit, the very first time sends out the police dispatch newspaper, and the rescue personnel of being convenient for rescue work to it. The alarm indication unit comprises an indication lamp and a buzzer, and after the water immersion signal is detected, the controller controls the buzzer to sound uninterruptedly.
In other embodiments of the application, in order to avoid the power supply unit from being failed to be started due to the fault of the water sensor, a device switch key is further arranged, and a user can immediately start the power supply unit by manually pressing the switch key.
In this embodiment, the power supply unit includes power supply and health patrol and examine the module, the health patrol and examine the module and be used for detecting power supply's electric quantity state to feedback electric quantity detected signal to controller. In this embodiment, the power supply adopts a waterproof lithium battery with the model number of ER 18505M. Specifically, the health inspection module is a battery electric quantity measuring chip, the type of the health inspection module is LTC2942, one end of the health inspection module is connected with a power supply, the other end of the health inspection module is connected with a load, and a coulomb counter (an internal component of the chip) in the health inspection module is responsible for carrying out integral operation on current flowing through a detection resistor between a battery and other load units to obtain change information of electric quantity and feed back an electric quantity detection signal to the controller. Still be equipped with on the beacon device and patrol and examine button and trouble warning light, the button is patrolled and examined to the manual button of user's accessible, sends to the controller and patrols and examines the signal, and the controller is according to patrolling and examining the signal, and the module is patrolled and examined in the control health and is opened to electric quantity detection signal control trouble warning light that module feedback is patrolled and examined according to health opens and close, when power supply lacks the electricity, through the trouble warning light suggestion user power shortage condition.
After the power supply unit is started, the positioning unit starts to collect position signals and feeds back position identification signals to the controller. The positioning unit comprises an antenna, a Beidou positioner and a signal amplifier. The antenna is used for receiving Beidou signals, the signal amplifier is used for amplifying the Beidou signals received by the antenna and transmitting the Beidou signals to the Beidou positioner, and the Beidou positioner is used for identifying the Beidou signals and generating position information. Specifically, the antenna receives the big dipper signal and with signal transmission to signal amplifier, and signal amplifier's low noise power amplifier module RDALN16 can pass through the environmental noise in the multistage filtering suppression signal and select the big dipper signal to improve the output power of big dipper signal, forward the signal after the enlarging for big dipper locator ATGM 336H. The Beidou positioner decodes the signals to obtain position information, and feeds the position information back to the controller for processing.
Meanwhile, the environment monitoring unit starts to collect environment information and feeds back an environment signal to the controller. The environment monitoring unit comprises a temperature sensor, a wind speed sensor and a sunlight sensor; the environmental information includes water temperature information, wind speed information, and sunlight information. The temperature sensor is used for collecting water temperature information and feeding back a water temperature signal to the controller; the wind speed sensor is used for collecting wind speed information and feeding back a wind speed signal to the controller; the sunlight sensor is used for collecting sunlight information and feeding back sunlight signals to the controller.
The controller is used for receiving the position identification signal fed back by the positioning unit and the environment signal of the environment monitoring unit, integrating the received position identification signal, the received environment signal and the identification code, and packaging into a data packet.
The controller controls the on-off of the indicator light according to the water immersion signal and the sunlight information. In this embodiment, the model of sunlight sensor is RS485, sunlight information is illumination intensity value, and when the illumination intensity value that sunlight sensor detected was higher than the light intensity threshold value, the control pilot lamp was opened, otherwise the control pilot lamp was closed, practiced thrift the power.
After the controller completes data packaging, the signal broadcasting unit broadcasts the packaged data packet, feeds back information and sends a state signal to the controller. And the controller sends a state signal according to the information to control the start and stop of the prompting lamp unit. In this embodiment, the indicator light unit is an LED indicator light, and after the information is successfully sent, the LED indicator light is controlled to turn on to indicate that the user has sent a distress signal.
The signal broadcasting unit comprises a Beidou RDSS terminal and an AIS transmitting terminal. The model of the Beidou RDSS terminal is ME3005RD, and the model of the AIS transmitting terminal is ME 3005.
The Beidou RDSS terminal broadcasts the position signal through a Beidou short message uplink, specifically, a short message module is arranged inside the Beidou RDSS terminal, the internal short message module modulates data to an L wave band of 1615.68MHz, the transmitting power is amplified to 37dBm (5W), and a data packet is broadcast outwards through the Beidou short message uplink. And the remote fishery administration management department checks the identity information and the actual position of the person in danger through the management platform, confirms the person in danger through the information, contacts related persons, and organizes the peripheral maritime search and rescue force to realize remote emergency rescue actions.
The AIS transmitting terminal transmits the position signal through a transmitting antenna, specifically, the AIS transmitting terminal encapsulates data into AIS messages No. 1 and No. 14, starts an internal phase-locked loop circuit, modulates frequency of baseband data to frequency points of 161.975MHz and 162.025MHz, amplifies power to 33dBm (2W) through a rear power amplifier, and broadcasts radio frequency signals through a VHF transmitting antenna. And the AIS shipborne terminal of the ship or the adjacent ship at the near end receives the AIS alarm information sent by the beacon, and carries out short-distance rescue according to the position in the information.
The single-chip microcontroller comprises a timer, so that the running time can be accurately counted, and more than one real-time data acquisition and data broadcasting work can be repeatedly executed every minute until the water sensor leaves water or the switch key is manually pressed to close the beacon device. In other embodiments of the present application, the controller controls the system to operate at intervals, that is, intervals for repeatedly performing the above operations, according to the water temperature signal collected by the temperature sensor, wherein the lower the water temperature is, the more urgent the situation is, and the shorter the intervals are.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the utility model in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the utility model may be embodied in practice with the teachings of the utility model. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a personal search and rescue location beacon device based on AIS and big dipper RDSS system which characterized in that: the system comprises a water immersion signal acquisition unit, a controller, a positioning unit, a signal broadcasting unit and a power supply unit;
the water immersion signal acquisition unit, the positioning unit, the power supply unit and the signal broadcasting unit are electrically connected with the controller;
the water immersion signal acquisition unit, the positioning unit and the signal broadcasting unit are electrically connected with the power supply unit;
the water immersion signal acquisition unit: collecting a water immersion signal, and feeding back the water immersion signal to the controller;
the controller: controlling the power supply unit to be turned on or off according to the water immersion signal;
the positioning unit: collecting a position signal and feeding back a position identification signal to the controller;
the controller: and receiving the position identification signal fed back by the positioning unit, and controlling the signal broadcasting unit to broadcast the position signal.
2. The AIS and beidou RDSS system-based personal search and rescue positioning beacon device of claim 1, wherein: the signal broadcasting unit comprises a Beidou RDSS terminal and an AIS transmitting terminal;
the Beidou RDSS terminal: broadcasting the position signal through a Beidou short message uplink;
the AIS transmitting terminal: the position signal is transmitted via a transmitting antenna.
3. The AIS and beidou RDSS system-based personal search and rescue positioning beacon device of claim 1, wherein: the positioning unit comprises a Beidou positioner and a signal amplifier, and the Beidou positioner is electrically connected with the signal amplifier;
the signal amplifier: amplifying the position signal and sending the amplified position signal to a Beidou positioner;
the Beidou positioner is characterized in that: and identifying the amplified position signal and feeding back a position identification signal to the controller.
4. The AIS and beidou RDSS system-based personal search and rescue positioning beacon device of claim 1, wherein: the controller is a single chip microcontroller.
5. The AIS and beidou RDSS system-based personal search and rescue positioning beacon device of claim 1, wherein: the environment monitoring unit is electrically connected with the controller and the power supply unit;
the environment monitoring unit: collecting environmental information and feeding back an environmental signal to the controller;
the controller: and receiving an environment signal of the environment monitoring unit, and controlling the signal broadcasting unit to broadcast the environment information.
6. The personal search and rescue positioning beacon device based on the AIS and beidou RDSS systems of claim 5, wherein: the environment monitoring unit comprises a temperature sensor and a wind speed sensor; the environment information comprises water temperature information and wind speed information;
the temperature sensor is characterized in that: collecting water temperature information and feeding back a water temperature signal to the controller;
the wind speed sensor is characterized in that: and acquiring wind speed information, and feeding back a wind speed signal to the controller.
7. The personal search and rescue positioning beacon device based on the AIS and beidou RDSS systems of claim 6, wherein: the alarm indication unit is electrically connected with the controller and the power supply unit;
the controller: and controlling the opening and closing of the alarm indicating unit according to the water immersion signal.
8. The AIS and beidou RDSS system-based personal search and rescue positioning beacon device of claim 7, wherein: the environment monitoring unit further comprises a sunlight sensor, and the environment information further comprises sunlight information; the alarm indicating unit comprises an indicating lamp;
the sunlight sensor comprises: collecting sunlight information and feeding back sunlight signals to the controller;
the controller: and controlling the on-off of the indicator lamp according to the water immersion signal and the sunlight information.
9. The AIS and beidou RDSS system-based personal search and rescue positioning beacon device of claim 7, wherein: the alarm indication unit comprises a buzzer.
10. The AIS and beidou RDSS system-based personal search and rescue positioning beacon device of claim 1, wherein: the prompting device also comprises a prompting lamp unit, wherein the prompting lamp unit is electrically connected with the controller and is electrically connected with the power supply unit;
the signal broadcasting unit: broadcasting the position signal, feeding back information and sending a state signal to the controller;
the controller: and controlling the start and stop of the prompting lamp unit according to the information sending state signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123217250.5U CN216526309U (en) | 2021-12-17 | 2021-12-17 | Individual search and rescue positioning beacon device based on AIS and big dipper RDSS system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123217250.5U CN216526309U (en) | 2021-12-17 | 2021-12-17 | Individual search and rescue positioning beacon device based on AIS and big dipper RDSS system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216526309U true CN216526309U (en) | 2022-05-13 |
Family
ID=81500772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123217250.5U Active CN216526309U (en) | 2021-12-17 | 2021-12-17 | Individual search and rescue positioning beacon device based on AIS and big dipper RDSS system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216526309U (en) |
-
2021
- 2021-12-17 CN CN202123217250.5U patent/CN216526309U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102109595A (en) | Search and rescue system and search and rescue method using personal positioning terminal | |
| KR20110125332A (en) | System for tracking distress signal at sea | |
| CN204556833U (en) | A kind of man overboard based on the Big Dipper/GPS shows a terminal | |
| US20210312782A1 (en) | Man location and man overboard detection system | |
| CN102956089A (en) | Search and rescue terminal and overwater search and rescue method based on search and rescue terminal | |
| CN107886681A (en) | Fishery safety of crew's self-rescue system | |
| CN207799864U (en) | Emergency AIS warning devices on a kind of combined type sea | |
| CN204964763U (en) | Based on big dipper short message lifesaving end system | |
| CN216526309U (en) | Individual search and rescue positioning beacon device based on AIS and big dipper RDSS system | |
| CN202929801U (en) | Search and rescue terminal | |
| CN202854341U (en) | System for alarming and positioning people falling in water at sea | |
| CN207571311U (en) | A kind of water life-saving localizing emission terminal receives terminal and system | |
| CN113443099A (en) | Intelligent water life-saving system | |
| CN205921752U (en) | Temperature scale is shown in AIS maritime search and rescue | |
| CN202795771U (en) | Ship safety salvation guarantee terminal | |
| CN202615570U (en) | Positioning and transmitting device for personnel falling overboard | |
| CN218527836U (en) | Integrated intelligent safety helmet for offshore wind power constructors | |
| CN207354261U (en) | Wearable warning device | |
| CN101423109A (en) | Ship type GPS/GSM waterproof automatic alarming device | |
| CN108248798B (en) | Alarm method and system for electric life buoy | |
| CN206340139U (en) | A kind of autonomous positioning help alarm based on big-dipper satellite short message message information | |
| CN207337626U (en) | A kind of fishery safety of crew self-help apparatus | |
| CN210639726U (en) | Comprehensive alarm and rescue system for personnel falling into water in offshore wind farm | |
| CN214795214U (en) | Marine emergency rescue system | |
| CN212256586U (en) | Safety device suitable for construction ship on water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221130 Address after: 310000 No. 22 Chaowang Road, Hangzhou, Zhejiang Province Patentee after: POWERCHINA HUADONG ENGINEERING Corp.,Ltd. Patentee after: CHINA E-TECH (NINGBO) MARITIME ELECTRONICS RESEARCH INSTITUTE Co.,Ltd. Address before: Room 17-1, building 033, building 2, No.15, Lane 587, Juxian Road, high tech Zone, Ningbo, Zhejiang 315000 Patentee before: CHINA E-TECH (NINGBO) MARITIME ELECTRONICS RESEARCH INSTITUTE Co.,Ltd. |