|
CN111934413A
|
|
Solar charging and local charging automatic switching circuit
|
|
CN112037534A
|
|
Car detection method and device integrating geomagnetic data and NB (nuclear magnetic resonance) signals
|
|
CN112016653A
|
|
System and method for detecting whether driver wears helmet or not
|
|
CN111932716A
|
|
Driving behavior detection method and device
|
|
CN111915868A
|
|
Cemetery protection method, device and system based on NB-IOT technology
|
|
CN111918209A
|
|
NB-IoT-based livestock breeding positioning management system
|
|
CN111855041A
|
|
Intelligent door and window switch detection device based on NB-IOT and detection method thereof
|
|
CN111856539A
|
|
Tracking device based on multiple positioning
|
|
CN111860741A
|
|
Electronic school badge device based on NB Internet of things and management method thereof
|
|
CN111885149A
|
|
Vehicle-mounted safety monitoring device and method for motor vehicle based on Internet of things
|
|
CN111653104A
|
|
Magnetic field baseline self-maintenance method and device, computer equipment and storage medium
|
|
CN111688601A
|
|
Electric vehicle intelligent license plate based on NB-IOT
|
|
CN111478517A
|
|
Multi-path emergency self-generating handheld terminal
|
