Methods and apparatuses for distance measurement
US12072407B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2019 |
| Grant date | Aug 27, 2024 |
| Priority date | — |
| Expiry date | Jan 13, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J3/0638
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure relates to a distance measurement system The system comprises a transmitter device and a receiver device. The transmitter device and the receiver device are clock-synchronized to each other. The transmitter device is configured to emit an ultrasonic signal at one or more predefined transmit times known to the transmitter and the receiver device. The receiver device is configured to receive the ultrasonic signal and to estimate a distance between the transmitter device and the receiver device based on the received ultra-sonic signal and the one or more predefined transmit times.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.