Microwave radar sensor modules
US9986934B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2015 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Mar 26, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/113
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Systems and methods for detecting biometrics using microwave radar sensor modules are disclosed. Integrated microwave sensor modules can include a transmitter unit configured to generate at least one continuous wave transmit signal based upon at least one frequency control signal, a receiver unit configured to utilize a cancellation path to cancel contributions to a return signal based upon at least one cancellation path control signal, and a microcontroller unit that includes a processor, a memory containing a microcontroller application, where the microcontroller application configures the processor to generate at least one frequency control signal to generate least one CW transmit signal having a plurality of frequencies, generate at least one cancellation path control signal to automatically adjust the cancellation path in real time, receive at least one demodulated signal, digitize the at least one demodulated signal, and update the at least one frequency control and cancellation path control signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.