CN115933357A - LDS antenna-based high-precision Beidou satellite positioning intelligent watch - Google Patents
LDS antenna-based high-precision Beidou satellite positioning intelligent watch Download PDFInfo
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- CN115933357A CN115933357A CN202211558360.4A CN202211558360A CN115933357A CN 115933357 A CN115933357 A CN 115933357A CN 202211558360 A CN202211558360 A CN 202211558360A CN 115933357 A CN115933357 A CN 115933357A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 57
- 238000004891 communication Methods 0.000 claims abstract description 38
- 230000003321 amplification Effects 0.000 claims abstract description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 7
- 239000012790 adhesive layer Substances 0.000 claims abstract description 5
- 230000009429 distress Effects 0.000 claims description 23
- 230000036760 body temperature Effects 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 16
- 239000008280 blood Substances 0.000 claims description 16
- 210000004369 blood Anatomy 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 10
- 210000005069 ears Anatomy 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 12
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 4
- 238000007726 management method Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a high-precision Beidou satellite positioning intelligent watch based on an LDS antenna, which comprises a watch head and a watchband, wherein the watch head comprises a watchcase and a movement, the movement comprises a control unit, a display screen, a power supply module, a monitoring module, a communication module and a satellite positioning module, the watchband is connected with the watchcase by respectively arranging a rotating shaft and a fixed shaft on a watch ear of the watchcase, and the outer side of the watchband is provided with an adhesive layer; the two side surfaces of the watch case are respectively provided with a knob key, a reset key and a charging port, the output end of the knob key is in communication connection with the control unit, and the reset key and the charging port are electrically connected with the power module; display screen and face recognition device set up in the watchcase openly to be connected with the control unit electricity, and the watchcase surface is provided with the LDS antenna, and the antenna of LDS antenna is presented a little and is connected low noise amplification module and satellite positioning module electricity through the electricity and be connected, and with the antenna design of this high accuracy big dipper satellite positioning intelligence wrist-watch for the LDS antenna, reduced the shared volume of antenna and antenna performance fabulous.
Description
Technical Field
The invention relates to the field of outdoor sports products, in particular to a high-precision Beidou satellite positioning intelligent watch based on an LDS antenna.
Background
The Beidou satellite navigation system is a China autonomous construction and independent operation global satellite navigation system, and currently 45 on-orbit satellites already have global coverage positioning, navigation and time service capabilities and short message communication service capabilities. At present, the single-point positioning accuracy of the Beidou satellite navigation system can be better than 10 meters, the speed measurement accuracy is 0.2 meter/second, the time service accuracy is 20 nanoseconds, the regional short message service capability reaches 1000 Chinese characters/time, and the global short message service capability reaches 40 Chinese characters/time. With the continuous deepening of the application of the satellite navigation technology, high-precision positioning becomes a popular requirement, so that the requirement cannot be met only by the single-point positioning function of the Beidou system, and a product with Beidou differential high-precision positioning needs to be developed.
The existing satellite positioning equipment has a relatively large shell in order to ensure the safety of an internal circuit, so that a certain buffer space is reserved for a satellite positioning chip, and the satellite positioning equipment is difficult to design in a miniaturized mode. In addition, when the antenna is designed in a miniaturized manner, the problems of poor receiving of Beidou satellite signals, high-precision maintenance of the phase center of the antenna required by high-precision positioning and the like can be solved if the miniaturized antenna is adopted. Meanwhile, the satellite positioning equipment is difficult to be modified in a targeted manner according to different use conditions, and if the satellite positioning equipment is modified, the PCB is required to be manufactured again, so that the satellite positioning equipment is very inconvenient and high in manufacturing cost.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a high accuracy big dipper satellite positioning intelligence wrist-watch based on LDS antenna, the miniaturized design of being convenient for just guarantees big dipper satellite signal reception performance.
In order to solve the technical problems, the invention adopts the technical scheme that:
a high-precision Beidou satellite positioning intelligent watch based on an LDS antenna comprises a watch head and a watchband, wherein the watch head comprises a watchcase and a movement arranged in the watchcase, the movement comprises a control unit, a display screen, a power supply module, a monitoring module, a communication module and a satellite positioning module, the display screen, the power supply module, the monitoring module, the communication module and the satellite positioning module are electrically connected with the control unit, the power supply module comprises a rechargeable battery and a charging management circuit, the charging management circuit is electrically connected with the rechargeable battery, and the satellite positioning module is a Beidou GPS double-positioning module;
a rotating shaft and a fixed shaft are respectively arranged on the watchband ears, one end of the watchband is hinged with the watchband through the rotating shaft, the other end of the watchband penetrates through the watchband and the fixed shaft, and an adhesive layer is arranged on the outer side of the watchband;
a knob key is arranged on one side surface of the watch case, and the output end of the knob key is in communication connection with the control unit; the other side surface of the watch case is provided with a reset key and a charging port, the output end of the reset key is electrically connected with the reset controlled end of the charging management circuit, and the charging port is electrically connected with the charging management circuit; the display screen is arranged on the front surface of the watch case and is electrically connected with the control unit; the position between the display screen and the rotating shaft on the watchcase is provided with a face recognition device, the face recognition device is electrically connected with the control unit, the surface of the watchcase is provided with an LDS antenna, and an antenna feed point of the LDS antenna is electrically connected with the satellite positioning module through an electrically connected low-noise amplification module.
The invention has the beneficial effects that: set up the antenna of satellite wrist-watch into the LDS antenna, adopt the circuit pattern of the antenna that laser direct structuring technique activated on the surface of watchcase shell promptly to make the antenna feed point of LDS antenna expose in the surperficial department that the circuit board of core leaned on, the watchcase of wrist-watch directly is as three-dimensional plastic part, thereby can reduce the shared volume of antenna and antenna performance fabulous, and adopt to paste the adjustable watchband of formula, avoided the uncomfortable sense of traditional watchband too loose or tension.
Drawings
Fig. 1 is a structural diagram of a high-precision Beidou satellite positioning smart watch based on an LDS antenna according to an embodiment of the invention;
fig. 2 is a schematic diagram of an internal circuit structure of a high-precision Beidou satellite positioning smart watch based on an LDS antenna according to an embodiment of the present invention.
Description of reference numerals:
1. a watch case; 2. a display screen; 3. a knob key; 4. resetting the key; 5. an external temperature detection sensor; 6. a face recognition device; 7. a charging port; 8. a watchband; 9. a rotating shaft; 10. a bonding layer; 11. and fixing the shaft.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
A high-precision Beidou satellite positioning intelligent watch based on an LDS antenna comprises a watch head and a watchband, wherein the watch head comprises a watchcase and a movement arranged in the watchcase, the movement comprises a control unit, a display screen, a power supply module, a monitoring module, a communication module and a satellite positioning module, the display screen, the power supply module, the monitoring module, the communication module and the satellite positioning module are electrically connected with the control unit, the power supply module comprises a rechargeable battery and a charging management circuit electrically connected with the rechargeable battery, and the satellite positioning module is a Beidou GPS double positioning module;
a rotating shaft and a fixed shaft are respectively arranged on the watchband ears, one end of the watchband is hinged with the watchband through the rotating shaft, the other end of the watchband penetrates through the watchband and the fixed shaft, and an adhesive layer is arranged on the outer side of the watchband;
a knob key is arranged on one side surface of the watch case, and the output end of the knob key is in communication connection with the control unit; the other side surface of the watch case is provided with a reset key and a charging port, the output end of the reset key is electrically connected with the reset controlled end of the charging management circuit, and the charging port is electrically connected with the charging management circuit; the display screen is arranged on the front surface of the watch case and is electrically connected with the control unit; the position between the display screen and the rotating shaft on the watchcase is provided with a face recognition device, the face recognition device is electrically connected with the control unit, the surface of the watchcase is provided with an LDS antenna, and an antenna feed point of the LDS antenna is electrically connected with the satellite positioning module through an electrically connected low-noise amplification module.
As can be seen from the above description, the beneficial effects of the present invention are: with the antenna design of high accuracy big dipper satellite positioning intelligence wrist-watch for the LDS antenna, adopt the circuit pattern of the antenna that laser direct forming technique activated on the surface of watchcase shell promptly, and make the antenna of LDS antenna present the surface department that the point exposes the circuit board of core and lean on, the watchcase of wrist-watch directly is as three-dimensional plastic part, thereby can reduce the shared volume of antenna and antenna performance fabulous, and adopt the adjustable watchband of formula of pasting, the uncomfortable sense of having avoided traditional watchband too loose or tension.
Furthermore, the movement also comprises a microphone, the microphone is electrically connected with the control unit, and the control unit receives the voice help-seeking data collected by the microphone and packs the voice help-seeking data and the current positioning data of the satellite positioning module into a help-seeking data packet.
As can be seen from the above description, the watch is provided with the microphone, the wearer can send out a voice help-seeking signal to the watch through the microphone, and the watch control unit acquires the voice help-seeking signal through the microphone.
Further, the monitoring module includes heart rate monitor sensor, heart rate monitor sensor with the control unit electricity is connected, the control unit receives the heart rate data of heart rate monitor sensor collection and packs into the SOS data package.
As can be seen from the above description, the heart rate monitoring sensor is arranged in the watch, and a wearer can collect heart rate data when wearing the watch through the watch.
Further, the monitoring module includes pulse monitoring sensor, pulse monitoring sensor with the control unit electricity is connected, the control unit receives the pulse data of pulse monitoring sensor collection and packing into distress data package.
As can be seen from the above description, the watch is provided with the pulse monitoring sensor, and the wearer can acquire pulse data when wearing the watch through the watch.
Further, the monitoring module includes blood oxygen monitoring sensor, blood oxygen monitoring sensor with the control unit electricity is connected, the control unit receives blood oxygen data that blood oxygen monitoring sensor gathered and packs into the SOS data package.
As can be seen from the above description, the blood oxygen monitoring sensor is arranged in the watch, so that the wearer can acquire blood oxygen data when wearing the watch through the watch.
Further, the monitoring module comprises a body temperature detection sensor, the body temperature detection sensor is electrically connected with the control unit, and the control unit receives body temperature data acquired by the body temperature detection sensor and packages the body temperature data into a distress data packet.
As can be seen from the above description, the body temperature detection sensor is arranged in the watch, and a wearer can acquire body temperature data when wearing the watch through the watch.
Further, the monitoring module includes an external temperature sensor, the external temperature sensor set up in the edge of display screen, and with the control unit electricity is connected, the control unit receipt the external temperature data that external temperature sensor gathered and through the display screen display.
As can be seen from the above description, the external temperature sensor is arranged on the exposed screen of the watch, so that the external environment temperature can be collected and is controlled by the control unit to be displayed on the display screen.
Furthermore, the communication module comprises a wireless communication module, the wireless communication module is electrically connected with the control unit, and the control unit sends the distress data packet to the mobile terminal through the wireless communication module.
As can be seen from the above description, the watch is provided with the wireless communication module, so that the watch can be in wireless communication connection with the mobile terminal to transmit the data collected by the watch.
Further, the movement also comprises a storage module, the storage module is electrically connected with the control unit, and the control unit sends the distress data packet to the storage module for storage.
As can be seen from the above description, a storage module is provided in the watch so that various items of collected wearer data can be stored.
Further, the wireless communication module is a 4G wireless communication module, a Bluetooth module or a WiFi module.
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is:
as shown in figure 1, a high accuracy big dipper satellite positioning intelligence wrist-watch based on LDS antenna, includes gauge outfit and watchband 8, the gauge outfit includes watchcase 1 and sets up the core in watchcase 1, and the core includes the control unit and the display screen 2, power module, monitoring module, communication module, satellite positioning module and the storage module that are connected with the control unit electricity, and power module includes rechargeable battery and the charge management circuit who is connected with the rechargeable battery electricity. The watchband comprises a watchcase 1 and is characterized in that a rotating shaft 9 and a fixed shaft 11 are respectively arranged on the watchcase 1, one end of a watchband 8 is hinged with the watchcase 1 through the rotating shaft 9, the other end of the watchband passes through the space between the watchcase 1 and the fixed shaft 11, and an adhesive layer 10 is arranged on the outer side of the watchband 8.
A knob key 3 is arranged on one side surface of the watch case 1, and the output end of the knob key 3 is in communication connection with the control unit; the other side surface of the watch case 1 is provided with a reset key 4 and a charging port 7, the output end of the reset key 4 is electrically connected with the reset controlled end of the charging management circuit, and the charging port 7 is electrically connected with the charging management circuit; the display screen 2 is arranged on the front surface of the watch case 1 and is electrically connected with the control unit; the position between display screen 2 and the rotation axis 9 is provided with facial recognition device 6 on watchcase 1, and facial recognition device 6 is connected with the control unit electricity, and watchcase 1 surface is provided with the LDS antenna, and the antenna of LDS antenna is presented the point and is connected with the satellite positioning module electricity through the electricity low noise amplification module of connecting, and the satellite positioning module is big dipper GPS dual localization module, supports multiple localization mode. The LDS antenna is a circuit pattern which is activated on the surface of the shell of the watch case 1 by adopting a laser direct forming technology, and an antenna feed point of the LDS antenna is exposed at the surface position which is abutted against a core PCB, wherein the three-dimensional plastic part is a component of the watch case 1 body, an MCU module, a satellite positioning module and a low-noise amplification module are arranged on the core PCB, the antenna feed point is electrically connected with the input end of the low-noise amplification module when the three-dimensional plastic part and the core PCB are fixed in a clamping position, and the control unit is in communication connection with the communication module.
The movement is also provided with a microphone, and the monitoring module is provided with a heart rate monitoring sensor, a pulse monitoring sensor, a blood oxygen monitoring sensor, a body temperature detecting sensor and an external temperature detecting sensor 5, and is particularly connected with the control unit through a monitoring sensor interface circuit. The control unit packs a voice distress signal generated by a microphone under the control of a watch wearer and positioning data generated by a satellite positioning module into a distress data packet, the control unit is in communication connection with a heart rate monitoring sensor, the control unit packs heart rate data generated by heart rate monitoring into the distress data packet, the control unit is in communication connection with a pulse monitoring function, the control unit packs pulse data generated by the pulse monitoring sensor into the distress data packet, the control unit is in communication connection with a blood oxygen monitoring sensor, the control unit packs data generated by blood oxygen monitoring into the distress data packet, the control unit is in communication connection with a body temperature monitoring sensor, the control unit packs data generated by body temperature detection into the distress data packet, the control unit is in communication connection with an external temperature detection sensor 5, the control unit sends data generated by external temperature monitoring to a display screen 2 through Bluetooth of a wireless communication module, the Bluetooth module is connected with the control unit, the control unit sends the distress data packet in the packing position and the distress data packet received to a mobile terminal (which can be a mobile phone) through a Bluetooth module, the control unit is connected with a storage module, and the control unit sends the distress data packet received in the distress data packet received by the receiving terminal and the distress data packet to the distress data packet stored in the storage module.
In a particular use: inside rhythm of heart monitor function on watchcase 1, pulse monitor function, blood oxygen monitor function and body temperature monitor function carry to wrist-watch or cell-phone in through monitor module's connector link, through monitoring data with monitoring data and SOS data storage to storage module in, convenient to use person is to oneself health status and health data do further understanding, satellite positioning who connects through LDS antenna output sends locating information to control terminal, power control module charges through the lithium cell that charging port 7 inputs and connect the output connection of charge management circuit, outside temperature sensor transmits temperature data to display screen 2 through the control unit.
In summary, the invention provides a high-precision Beidou satellite positioning smart watch based on an LDS antenna, wherein the antenna of the high-precision Beidou satellite positioning smart watch is designed as the LDS antenna, namely, a circuit pattern of the antenna is activated on the surface of a shell of a watch shell by adopting a laser direct forming technology, an antenna feed point of the LDS antenna is exposed at the surface against which a circuit board of a movement abuts, and the watch shell of the watch is directly used as a three-dimensional plastic part, so that the occupied volume of the antenna can be reduced, the performance of the antenna is excellent, the watch is connected and conveyed to a mobile phone through a communication module by virtue of a heart rate monitoring function, a pulse monitoring function, a blood oxygen monitoring function and a body temperature monitoring function on the watch, monitoring data and distress data are stored in a storage module by virtue of the monitoring data, and a user can conveniently know the body condition and the body data; the communication and position states of the user are positioned through the Bluetooth module and can be checked in real time; adopt the adjustable watchband of formula of pasting, avoided the uncomfortable sense of traditional watchband too loose or tension.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention and the contents of the accompanying drawings, which are directly or indirectly applied to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. The high-precision Beidou satellite positioning intelligent watch based on the LDS antenna is characterized by comprising a watch head and a watchband, wherein the watch head comprises a watchcase and a movement arranged in the watchcase, the movement comprises a control unit, a display screen, a power supply module, a monitoring module, a communication module and a satellite positioning module, the display screen, the power supply module, the monitoring module, the communication module and the satellite positioning module are electrically connected with the control unit, the power supply module comprises a rechargeable battery and a charging management circuit, the charging management circuit is electrically connected with the rechargeable battery, and the satellite positioning module is a Beidou GPS double positioning module;
a rotating shaft and a fixed shaft are respectively arranged on the watchband ears, one end of the watchband is hinged with the watchband through the rotating shaft, the other end of the watchband penetrates through the watchband and the fixed shaft, and an adhesive layer is arranged on the outer side of the watchband;
a knob key is arranged on one side surface of the watch case, and the output end of the knob key is in communication connection with the control unit; the other side surface of the watch case is provided with a reset key and a charging port, the output end of the reset key is electrically connected with the reset controlled end of the charging management circuit, and the charging port is electrically connected with the charging management circuit; the display screen is arranged on the front surface of the watch case and is electrically connected with the control unit; the position between the display screen and the rotating shaft on the watchcase is provided with a face recognition device, the face recognition device is electrically connected with the control unit, the surface of the watchcase is provided with an LDS antenna, and an antenna feed point of the LDS antenna is electrically connected with the satellite positioning module through an electrically connected low-noise amplification module.
2. The LDS antenna-based high-precision Beidou satellite positioning intelligent watch according to claim 1, characterized in that the movement further comprises a microphone, the microphone is electrically connected with the control unit, and the control unit receives voice help-seeking data collected by the microphone and packages the voice help-seeking data and the current positioning data of the satellite positioning module into a help-seeking data packet.
3. The LDS antenna-based high-precision Beidou satellite positioning smart watch according to claim 1, wherein the monitoring module comprises a heart rate monitoring sensor, the heart rate monitoring sensor is electrically connected with the control unit, and the control unit receives heart rate data collected by the heart rate monitoring sensor and packages the heart rate data into a distress data packet.
4. The LDS antenna-based high-precision Beidou satellite positioning smart watch according to claim 1, wherein the monitoring module comprises a pulse monitoring sensor, the pulse monitoring sensor is electrically connected with the control unit, and the control unit receives pulse data collected by the pulse monitoring sensor and packages the pulse data into a distress data packet.
5. The LDS antenna-based high-precision Beidou satellite positioning smart watch according to claim 1, characterized in that the monitoring module comprises a blood oxygen monitoring sensor, the blood oxygen monitoring sensor is electrically connected with the control unit, and the control unit receives blood oxygen data collected by the blood oxygen monitoring sensor and packages the blood oxygen data into a distress data packet.
6. The LDS antenna-based high-precision Beidou satellite positioning smart watch according to claim 1, wherein the monitoring module comprises a body temperature detection sensor, the body temperature detection sensor is electrically connected with the control unit, and the control unit receives body temperature data collected by the body temperature detection sensor and packages the body temperature data into a distress data packet.
7. The LDS antenna-based high-precision Beidou satellite positioning smart watch according to claim 1, wherein the monitoring module comprises an external temperature sensor, the external temperature sensor is arranged at the edge of the display screen and is electrically connected with the control unit, and the control unit receives external temperature data collected by the external temperature sensor and displays the external temperature data through the display screen.
8. The LDS antenna-based high-precision Beidou satellite positioning smart watch according to any one of claims 2 to 6, wherein the communication module comprises a wireless communication module, the wireless communication module is electrically connected with the control unit, and the control unit sends the distress data packet to a mobile terminal through the wireless communication module.
9. The LDS antenna-based high-precision Beidou satellite positioning smart watch according to any one of claims 2 to 6, wherein the movement further comprises a storage module, the storage module is electrically connected with the control unit, and the control unit sends the distress data packet to the storage module for storage.
10. The LDS antenna-based high-precision Beidou satellite positioning smart watch according to claim 8, wherein the wireless communication module is a 4G wireless communication module, a Bluetooth module or a WiFi module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211558360.4A CN115933357A (en) | 2022-12-06 | 2022-12-06 | LDS antenna-based high-precision Beidou satellite positioning intelligent watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211558360.4A CN115933357A (en) | 2022-12-06 | 2022-12-06 | LDS antenna-based high-precision Beidou satellite positioning intelligent watch |
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| CN115933357A true CN115933357A (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211558360.4A Pending CN115933357A (en) | 2022-12-06 | 2022-12-06 | LDS antenna-based high-precision Beidou satellite positioning intelligent watch |
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| EP2898822A1 (en) * | 2013-12-09 | 2015-07-29 | Samsung Electronics Co., Ltd. | Modular sensor platform |
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