172875 ⎘
Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves; Systems of measurement, based on relative movement of the target; Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
Sub-classes:IMPROVED PRESENCE DETECTION
#2OBJECT DETECTION CIRCUITRY
#3Ultrasonic breathing sensor and sensing method for vehicle occupant monitoring
#4SONAR METHOD FOR DETECTING AND/OR DETERMINING THE POSITION AND/OR SPEED OF OBJECTS UNDERWATER IN A SPECIFIED REGION, SONAR ASSEMBLY, AND RECEIVING UNIT
#5Integrated electromagnetic-acoustic sensor and sensing
#6Acoustic positioning transmitter and receiver system and method
#7ELECTRONIC DEVICE AND SYSTEM FOR LOCALIZATION
#8Method for avoiding noise in an apparatus for space monitoring by using sound signal
#9Ultrasonic-based person detection system and method
#10Integrated electromagnetic-acoustic sensor and sensing
#11Object detection circuitry
#12Object detection apparatus and object detection method
#13Information processing apparatus, information processing method, and recording medium
#14Personal sonar system
#15Systems and methods for ultrasonic, millimeter wave and hybrid sensing
#16Acoustic positioning transmitter and receiver system and method
#17Ultrasonic doppler motion sensor device
#18Proximity detection
#19Wall mount light fixture with external sensor housing
#20Method and system for spatial modeling of an interior of a vehicle
#21METHOD AND SYSTEM FOR ADJUSTING AN ACQUISITION FRAME RATE FOR MOBILE MEDICAL IMAGING
#22Systems and methods for ultrasonic, millimeter wave and hybrid sensing
#23Anomaly detection system and method
#24System and method for detecting interaction with living object
#25Detection of animate presence with an ultrasonic signal
#26Identifying a change in a home environment
#27Identifying a change in a home environment
#28Method and apparatus for performing ultrasonic presence detection
#29Apparatus, system and method for space status detection based on acoustic signal
#30Sensor device for a computer system, computer system with a sensor device and operating method for a sensor device
#31Control device, and control system
#32Measurement of reflected ultrasound signal for ultrasonic emitter gating control
#33Moving body detector
#34Intrusion detection device
#35Object detection method using ultrasonic waves and object detection apparatus
#36Motion sensing method for determining whether to perform motion sensing according to distance detection result and related apparatus thereof
#37Visual indication of target tracking
#38Object detection device and illumination system provided therewith
#39Vehicle having active blind spot lighting and method
#40Moving object detecting apparatus
#41Moving object detection system
#42Driver fatigue monitoring system and method
#43Moving object detection apparatus
#44Audio/Video System
#45Acoustic occupancy sensor
#46Occupancy sensor network
#47Airbag deployment control based on contact with occupant
#48System and method for detecting objects in vehicular compartments
#49Signal-processing method and active sonar implementing same
#50Method and apparatus for acoustic sensing of structures
#51Method and system for in-air ultrasonic acoustical detection and characterization
#52Monitoring systems and methods for personal safety
#53Monitoring systems and methods for personal safety
#54Monitoring systems and methods for personal safety
#55Audio based motion detection in shared spaces using statistical prediction
#56Systems and methods for combined motion and distance sensing