Patent ID: 11899143
Assignee: ROBERT BOSCH GMBH
Field: Measurement (Instruments)
Classification: CPC G  B | IPC G

Claim 16:
17. An ultrasound sensor, comprising:
a frame, wherein the frame includes an outer perimeter, an inner perimeter, and a horizontal midsection, wherein the horizontal midsection extends across the inner perimeter; and
two or more transducer elements, wherein the two or more transducer elements are located within the inner perimeter, and include one or more membranes that include a bottom portion that includes a first piezoelectric layer and second piezoelectric layer separated from one another, wherein the two or more transducer elements are configured to each activate a transmit mode and receive mode, wherein the transmit mode is configured to transmit a signal and the receive mode is configured to receive a signal, wherein a first transducer element activates the transmit mode when a second transducer element does not activate the transmit mode, wherein the first and second transducer element are further configured to adjust a field-of-view angle associated with the transmit mode and the receive mode, wherein the first transducer element and the second transducer element are configured to operate out-of-phase.