Acoustic sensor for transmitting and receiving acoustic signals

An acoustic sensor, comprising:

• an electroacoustic transducer, including:
• a plate-shaped transducer element, which is configured at least one of:
• (i) to output an acoustic signal when it is excited by an electrical signal, and (ii) to output an electrical signal when it is excited by an acoustic signal, the plate shaped transducer element including:
• a first surface,
• a second surface, which is situated in parallel to the first surface on a side of the plate-shaped transducer element situated opposite the first surface, and
• a third surface, which joins the first surface to the second surface of the transducer element;
• a first contacting, which is situated on at least one of the first, second and third surfaces of the plate-shaped transducer element in such a way that it has at least one portion which one of:
• (i) ends flush with an outer circumference of one of the first or second surface of the plate-shaped transducer element, or (ii) extends at least partially outside the outer circumference of one of the first or second surface of the plate-shaped transducer element;
• and
• an electrical conductor which is configured to conduct an electrical signal, the electrical conductor including a contact area which is in contact with an outer circumference of the first contacting, the contact area of the electrical conductor being situated in a plane defined by the first surface, outside an area which overlaps with the electroacoustic transducer.