A transducer assembly comprises a housing and a plurality of frequency steered transducer array elements. Each of the transducer array elements includes a plurality of piezoelectric elements. The frequency steered transducer array elements are configured to receive a transmit electronic signal including a plurality of frequency components and to transmit an array of sonar beams into a body of water. Each sonar beam is transmitted in an angular direction that varies according to one of the frequency components of the transmit electronic signal. The frequency steered transducer array elements are positioned within the housing in a fan-shaped configuration where an end section of at least two of the frequency steered transducer array elements are within an intersection range of each other.

Sonar devices for detecting underwater objects are provided whereby a set of angled ultrasound transducers are employed to sense ultrasound signals from a plurality of different spatial regions. The angled ultrasound transducers may include a first pair of side-viewing ultrasound transducers and a second pair of ultrasound transducers configured for interrogating forward and reverse directions. The ultrasound signals from the set of angled ultrasound transducers may be processed to identify the presence of underwater objects in each spatial region, and the resulting identified underwater objects may be displayed, on a per-region basis, on a user interface. The ultrasound signals may additionally or alternatively be processed to generate a topographical model of the bed surface, and to generate a topographical surface image based on the three-dimensional topographical model. The topographical surface image may be displayed as a fly-over animation.

A driver alert system is configured to provide combined visual and audible spatial warnings. The system can include an object detection system to provide the location of at least one object relative to a vehicle, an audible output system including a plurality of speaker units, and a display unit. A control unit of the system can determine location of objects and generate combined visual and audible spatial warnings. Output of the combined visual and audible spatial warning can be controlled to output an audible alert indicating the location of the object relative to the vehicle passenger, and control a display unit to present a particle display output indicating the location of the object relative to the vehicle passenger. The system may include processes for control of combined visual and audible spatial warnings to account for changes in object position and vehicle heading.

Techniques are disclosed for systems and methods to provide three dimensional volume rendering of volume data for use when operating mobile structures. A three dimensional volume rendering system includes a logic device configured to communicate with a user interface and receive volume data from a volume data source. The logic device is configured to render a three dimensional) representation of the volume data on a display of the user interface according to a view perspective, render an indicator key on a first two dimensional plane overlaid in the 3D representation, detect a change condition, and rotate the indicator key about a rotational axis in response to the detected change condition.

Techniques are disclosed for systems and methods to provide accurate and intuitive control over the display of sonar image data provided by sonar systems for mobile structures. A sonar system includes a user interface and a logic device configured to receive and display multiple different sonar image data sets from multiple different types of transducer modules to a user. The logic device is configured to render a historical view selector on a display of the user interface, where the historical view selector is configured to provide for selection of a particular view time in a period of time corresponding to the first and/or second sonar image data, receive user input identifying a selected view time within the range of time, and render first and second portions of the first and second image data corresponding to the selected view time on the display of the user interface.

A data processing apparatus is provided, which includes processing circuitry. The processing circuitry is configured to acquire a data set from target detected by a detection apparatus, perform rendering of the data set, and generate a plurality of views arranged on a screen. Each view of the plurality of views includes a plurality of pixels. Each pixel included in the plurality of views is associated with a plurality of pieces of information including a first information displayed on the screen and a second information that indicates a view among the plurality of views to which the pixel belongs.

Many different types of systems are utilized and tasks are performed in a marine environment. The present invention provides various configurations of castable devices that can be operated and/or controlled for such systems or tasks. One or more castable devices can be integrated with a transducer assembly, such as a phased array, that emits sonar beams and receives sonar returns from the underwater environment. Processing circuitry may receive the sonar returns, process the sonar returns, generate an image, and transmit the image to a display.

A sonar system is provided including a display screen, a transducer assembly including at least one transducer that is configured to emit one or more sonar signals into an underwater environment and receive sonar return data reflected from one or more objects, and a sonar module configured to generate a 3D matrix based on the sonar return data including a plurality of sonar returns that are each defined by a 3D positional value, determine a group of the plurality of sonar returns associated with an object, assign a predetermined icon to the determined group, and generate and display 3D image of the sonar return data. The predetermined icon is positioned within the 3D image at a position that corresponds to the position of the determined group such that the position of the predetermined icon corresponds to the position of the object.

Techniques are disclosed for systems and methods to provide touch screen side-scan sonar adjustment for mobile structures. A side-scan sonar adjustment system includes a user interface with a touch screen display and a logic device configured to communicate with the user interface and a side-scan sonar system. The user interface is configured to receive and/or display side-scan sonar data provided by the side-scan sonar system. The logic, device is configured to determine a horizontal swipe gesture rate component performed on the touch screen display, stretch the displayed image in accordance with the swipe gesture, and snap to a new field of view in accordance with current field of view and swipe length information. The user interface and logic device may be integrated together to form a multifunction display used to power and/or supply side-scan sonar transmission signals to the side-scan sonar system.

Techniques are disclosed for systems and methods to provide water temperature and sonar imagery for users of mobile structures, including watercraft. A water temperature display system includes a water temperature sensor and a logic device configured to communicate with the water temperature sensor. The water temperature sensor is configured to measure a temperature of or near a surface of a body of water. The logic device is configured to render water temperatures according to a three dimensional view of an area about a mobile structure. Subsequent user input, water temperatures, and/or the rendered view may be used to adjust a steering actuator, a propulsion system thrust, and/or other operational systems of the mobile structure.