8 Patents
- 0 cites
- US125782382026Ambient Temperature and Relative Humidity Sensing Using Ultrasound Signals
Amazon Technologies, Inc.
0 cites - US124362762025Coordinating Presence Detection and Proximity Sensing Using Ultrasonic Signals
Amazon Technologies, Inc.
0 cites - 0 cites
- US119827372024Controlling Sensitivity of Presence Detection Using Ultrasonic Signals
AMAZON TECHNOLOGIES, Inc.
0 cites - US119211872024Monitoring Non-stationary Object Distance Using Ultrasonic Signals
Amazon Technologies, Inc.
0 cites - US116145292023Controlling Emission of Ultrasonic Signals for Presence Detection
Amazon Technologies, Inc.
0 cites - US115640362023Presence Detection Using Ultrasonic Signals with Concurrent Audio Playback
Amazon Technologies, Inc.
0 cites