A method of indicating to an operator of a work vehicle a relative location of an object, an object indication system, and a work vehicle are provided. The method includes sensing the object with one or more sensors positioned at one or more sensor positions on the work vehicle and activating one or more indicators positioned at one or more indicator positions relative to the operator based on the sensing of the object with the one or more sensors. Each sensor position directionally corresponds to one or more of the indicator positions.

A sonar system is provided including a sonar assembly configured to attach to a motor assembly of a watercraft or a watercraft. The sonar assembly includes sonar transducer element(s) that transmit sonar beam(s). The sonar system includes a display, processor(s), and a steering assembly configured to cause rotation of the sonar assembly or the motor assembly. The sonar system includes a memory including computer program code that causes the processor(s) to cause the sonar transducer element(s) to emit sonar beam(s), receive sonar return data from a coverage volume of the sonar transducer element(s), generate a sonar image of the coverage volume based on the sonar return data, receive an input from a user, determine a target in the underwater environment based on the input, and cause the steering assembly to adjust the coverage volume to maintain the target within the coverage volume as the watercraft moves relative to the target.

A sonar system is provided including a sonar assembly configured to attach to a motor assembly of a watercraft or a watercraft. The sonar assembly includes sonar transducer element(s) that transmit sonar beam(s). The sonar system includes a display, processor(s), and a steering assembly configured to cause rotation of the sonar assembly or the motor assembly. The sonar system includes a memory including computer program code that causes the processor(s) to cause the sonar transducer element(s) to emit sonar beam(s), receive sonar return data from a coverage volume of the sonar transducer element(s), generate a sonar image of the coverage volume based on the sonar return data, receive an input from a user, determine a target in the underwater environment based on the input, and cause the steering assembly to adjust the coverage volume to maintain the target within the coverage volume as the watercraft moves relative to the target.

Provided are a sonar system and transducer assembly for producing a 3D image of an underwater environment. The sonar system may include a housing mountable to a watercraft having a transmit transducer that may transmit sonar pulses into the water. The system may include at least one sidescan transducer array in the housing that receives first and second sonar returns with first and second transducer elements and converts the first and second returns into first and second sonar return data. A sonar signal processor may then generate a 3D mesh data using the first and second sonar return data and at least a predetermined distance between the transducer elements. An associated method of using the sonar system is also provided.

Provided are a sonar system and transducer assembly for producing a 3D image of an underwater environment. The sonar system may include a housing mountable to a watercraft having a transmit transducer that may transmit sonar pulses into the water. The system may include at least one sidescan transducer array in the housing that receives first and second sonar returns with first and second transducer elements and converts the first and second returns into first and second sonar return data. A sonar signal processor may then generate a 3D mesh data using the first and second sonar return data and at least a predetermined distance between the transducer elements. An associated method of using the sonar system is also provided.

In an ultrasound diagnostic apparatus and an operation method of the ultrasound diagnostic apparatus of the invention, a control circuit performs polarization processing on a plurality of ultrasound transducers in a non-diagnosis period, during which transmission of ultrasound waves and reception of reflected waves for performing ultrasound diagnosis are not performed, in a case where the cumulative driving time of the plurality of ultrasound transducers for performing the ultrasound diagnosis becomes equal to or longer than a specified time. A transmission circuit generates a first transmission signal having a driving voltage for performing ultrasound diagnosis using a pulse generation circuit in the case of performing the ultrasound diagnosis, and generates a second transmission signal having a polarization voltage for performing polarization processing using the same pulse generation circuit as in the case of generating the first transmission signal in the case of performing the polarization processing.

In an ultrasound diagnostic apparatus and an operation method of the ultrasound diagnostic apparatus of the invention, a control circuit performs polarization processing on a plurality of ultrasound transducers in a non-diagnosis period, during which transmission of ultrasound waves and reception of reflected waves for performing ultrasound diagnosis are not performed, in a case where the cumulative driving time of the plurality of ultrasound transducers for performing the ultrasound diagnosis becomes equal to or longer than a specified time. A transmission circuit generates a first transmission signal having a driving voltage for performing ultrasound diagnosis using a pulse generation circuit in the case of performing the ultrasound diagnosis, and generates a second transmission signal having a polarization voltage for performing polarization processing using the same pulse generation circuit as in the case of generating the first transmission signal in the case of performing the polarization processing.

An object sensing device is configured to sense an object therearound using an ultrasonic sensor. The object sensing device comprises: a distance judgment portion that performs a judgement of a distance to the object therearound in accordance with received ultrasonic waves that are based on transmitted ultrasonic waves by the ultrasonic sensor; and a notification control portion that performs a predetermined notification operation in accordance with the received ultrasonic waves that are based on the transmitted ultrasonic waves. The notification control portion performs the predetermined notification operation when the distance judgement portion has continuously judged that the object is within a predetermined close range. The notification control portion fails to perform the predetermined notification operation when a judgement history of the distance to the object by the distance judgement portion indicates an abnormal appearance of the object within the predetermined close range.

An object detection device is applied to an object detection system which includes an object detection sensor installed in a vehicle so as to be oriented outward to detect an object around the vehicle. The object detection device includes: an error-handling control section that notifies a user of a detection error, if any, occurring in the object detection sensor, and brings the object detection system into an error-handling state; an action determination section that determines whether an error correction action has been performed by a user to correct the detection error, under conditions where the user has been notified of the detection error occurring in the object detection sensor; and a cancellation control section that relaxes predetermined cancellation conditions for cancelling the error-handling state when the error correction action is determined to have been performed, compared to when not performed.

An object detection device is applied to an object detection system which includes an object detection sensor installed in a vehicle so as to be oriented outward to detect an object around the vehicle. The object detection device includes: an error-handling control section that notifies a user of a detection error, if any, occurring in the object detection sensor, and brings the object detection system into an error-handling state; an action determination section that determines whether an error correction action has been performed by a user to correct the detection error, under conditions where the user has been notified of the detection error occurring in the object detection sensor; and a cancellation control section that relaxes predetermined cancellation conditions for cancelling the error-handling state when the error correction action is determined to have been performed, compared to when not performed.