A sensor device (10) comprising a housing (48a-b), a position sensor (44) for determining an alignment, a display unit (46a-d) for displaying alignment information, and a control and evaluation unit (40) configured to use the position sensor (44) to determine the sensor device's (10) alignment, to compare the alignment with a desired alignment, and to display a comparison result using the display unit (46a-d), wherein the display unit (46a-d) comprises at least three light sources (46a-d) at positions distributed over the housing (48a-b), each light source (46a-d) being configured to assume a first display state for a correct alignment and a second display state for an alignment that is not yet correct, with the control and evaluation unit (40) further being configured to display the comparison result as display states of the light sources (46a-d).

A laser-based rangefinding instrument for, inter alia, golfing or hunting activities having an unique ergonomic design and an external multi-function switch for controlling display brightness, selectable display of differing distance units and a slope selection switch for enabling display of line of sight distance or angle of slope and “Compensated Golf Distance” angle corrected distance to a target.

A laser-based rangefinding instrument for, inter alia, golfing or hunting activities having an unique ergonomic design and an external multi-function switch for controlling display brightness, selectable display of differing distance units and a slope selection switch for enabling display of line of sight distance or angle of slope and “Compensated Golf Distance” angle corrected distance to a target.

Techniques are disclosed for real-time mapping in a movable object environment. A real-time mapping system can include at least an unmanned aerial vehicle (UAV), comprising a propulsion system, a main body coupled to the propulsion system and a payload assembly coupled to the main body via a mounting assembly, wherein the payload assembly includes a payload comprising a scanning sensor and a positioning sensor, the payload assembly configured to orient the scanning sensor at a plurality of angles relative to the main body.

A digital counting and display system and methods for use with a laser rangefinder that counts backscattered laser beams and displays a distance between a laser and a target. The laser rangefinder includes a laser configured to emit a pulsed laser beam, an afocal Gallilean telescope configured to receive backscattered laser pulses and generate a series of focused backscattered laser pulses, a silicon avalanche photodetector connected to the afocal Gallilean telescope, configured to generate a series of currents signal proportional to the series of focused backscattered laser pulses, a low noise, multistage amplifier connected to the silicon avalanche photodetector, configured to generate a series of linearly changing amplified voltage signals from the series of current signals, an analog-to-digital converter configured to convert the series of linearly changing amplified voltage signals to a series of digital voltage signals, and a digital counting and display circuit connected to the analog-digital converter.

A digital counting and display system and methods for use with a laser rangefinder that counts backscattered laser beams and displays a distance between a laser and a target. The laser rangefinder includes a laser configured to emit a pulsed laser beam, an afocal Gallilean telescope configured to receive backscattered laser pulses and generate a series of focused backscattered laser pulses, a silicon avalanche photodetector connected to the afocal Gallilean telescope, configured to generate a series of currents signal proportional to the series of focused backscattered laser pulses, a low noise, multistage amplifier connected to the silicon avalanche photodetector, configured to generate a series of linearly changing amplified voltage signals from the series of current signals, an analog-to-digital converter configured to convert the series of linearly changing amplified voltage signals to a series of digital voltage signals, and a digital counting and display circuit connected to the analog-digital converter.

A mobile three-dimensional (3D) measuring system includes a 3D measuring device, and a support apparatus. The 3D measuring device is coupled to the support apparatus. The support apparatus includes a pole mount that includes a gimbal at the top of the pole mount, wherein the 3D measuring device is attached to the gimbal. The support apparatus further includes a counterweight at the bottom of the pole mount, the counterweight matches a weight of the 3D measuring device.

A sensor unit includes a first unit to acquire a first light amount that is a light amount of light obtained when light reflected by an object is received by a light receiving unit, a second unit to acquire at least one of a second light amount that is a light amount of light obtained when light emitted from a light emitting unit and reflected by the window is received by the light receiving unit and a third light amount that is a light amount of light obtained when light that is emitted from the emitter, passes through the window, and is reflected by the reflector and light that is emitted from the emitter and reflected by the window are received by the optical receiver, and a determination unit to determine whether abnormality occurs on a side of the object or a side of the window.

A sensor unit includes a determination unit that performs at least one of first determination of determining whether or not a distance to an object is included in a first distance range from a first predetermined distance to a second predetermined distance and second determination of determining whether or not the distance to the object is included in a second distance range from a third predetermined distance to a fourth predetermined distance, a generation unit that generates information regarding positional displacement of the object in a case where the distance to the object is determined a predetermined number of times to be included in the first distance range or in a case where the distance to the object is determined a predetermined number of times to be included in the second distance range, and a display that displays the information regarding positional displacement of the object.

A sensor unit includes a determination unit that performs at least one of first determination of determining whether or not a distance to an object is included in a first distance range from a first predetermined distance to a second predetermined distance and second determination of determining whether or not the distance to the object is included in a second distance range from a third predetermined distance to a fourth predetermined distance, a generation unit that generates information regarding positional displacement of the object in a case where the distance to the object is determined a predetermined number of times to be included in the first distance range or in a case where the distance to the object is determined a predetermined number of times to be included in the second distance range, and a display that displays the information regarding positional displacement of the object.