A tool, such as a digital level, having multiple methods of indicating the orientation of the level. One embodiment of the level includes two or more accelerometers arranged in complimenting orientations, such as 90 degrees with respect to each other. The complimenting orientation allows for more precise measurements from less expensive accelerometers compared to a level with a single more expensive accelerometer. A power supply module, and an associated control module in charge of the power supply, selectively provides power to the accelerometers and displays based in part on user input, movement of the level, and the disposition of the level.

A semiconductor-machine automatic leveling apparatus includes an inclination adjusting gear, a motor, a driving gear, an inclination acquisition mechanism and a controller. The inclination adjusting gear is configured to drive one side of a tabletop of a wafer transfer machine to move up and down. The driving gear is mounted on a rotation shaft of the motor and engaged with the inclination adjusting gear. The inclination acquisition mechanism is configured to acquire inclination information of the tabletop of the wafer transfer machine and electrically connected to the controller. The controller is electrically connected to the motor and configured to control the motor to operate according to the inclination information.

A geodetic levelling staff, a method for measuring a height with the geodetic levelling staff and a system including the geodetic levelling staff and a level are provided. The geodetic levelling staff includes a circular level that indicates whether the geodetic levelling staff is in a vertical position, a level detection unit for detecting a bubble position of the circular level, a control circuit that receives detected data performed by the level detection unit and transmits the detected data to a near field communication tool, the near field communication tool for performing a communication from the geodetic levelling staff to the level according to the detected data received from the control circuit, wherein the level operates according to the detected data received from the near field communication tool.

A level, such as a digital level, with various features or embodiments, such as an ultrasonically welded lens covering a display screen, a pipe insert molded in front of a light sensor, one or more button assemblies, and cartridge assemblies that are used to secure compartments within the frame of a level.

A laser marking system in one aspect of the present disclosure includes a laser marker, a beam receiving device, and a notifier. The laser marker includes a laser beam emitter. The beam receiving device includes a beam receiver and a transmitter. The beam receiver receives a laser beam emitted by the laser beam emitter. The transmitter transmits a first positional signal. The first positional signal indicates a receiving position of the laser beam in the beam receiver. The notifier notifies of the receiving position of the laser beam based on the first positional signal.

A laser marker in one aspect of the present disclosure includes a support body, a rotation body, a motor, a laser beam emitter, a device communicator, and a motor control circuit. The device communicator performs a wireless communication with a portable terminal device and with a beam receiving device. The portable terminal device transmits a rotation start command signal. The beam receiving device generates and transmits a bean receiving position signal. The motor control circuit starts controlling a rotation of the motor based on the beam receiving position signal in response to the device communicator receiving or having received the rotation start command signal.

A laser leveling tool comprising: gesture control means comprises at least one sensor adapted to sense gestures and/or movements of a user; and a controller in communication with the gesture control means for receiving signals from the sensor and generating control commands for the tool based on the received signals, the control commands comprising at least ON/OFF states of laser beam patterns that the tool can project.

A tool, such as a digital level, having multiple methods of indicating the orientation of the level. One embodiment of the level includes two or more accelerometers arranged in complimenting orientations, such as 90 degrees with respect to each other. The complimenting orientation allows for more precise measurements from less expensive accelerometers compared to a level with a single more expensive accelerometer. A power supply module, and an associated control module in charge of the power supply, selectively provides power to the accelerometers and displays based in part on user input, movement of the level, and the disposition of the level.

The present invention relates to a method for alignment, a casing (12) and an alignment system (100) for calculating an alignment dataset (ADS) for alignment of a constructive component (P), in particular a formwork panel, comprising:—An attachment unit (10), which is configured to be non-permanently attached at the constructive component (P) and which is further configured to engage with a casing (12);—the casing (12), which cases:—an electronic accelerometer unit (14) and—a pendulum unit (16) being attached at a bottom part of the electronic accelerometer unit (14) so that the pendulum unit (16) can swing with two degrees of freedom around a pivot point, and wherein at the bottom part of the pendulum support structure (165), a laser emitter (164) is attached which is configured to emit a laser beam—a receiver unit (18), mounted at a base plate (20) and which is configured to receive the laser beam spatially resolved;—a processing unit (22) for calculating the alignment dataset (ADS), wherein the processing unit (22) is in data connection with the receiver unit (18) and with the electronic accelerometer unit (14); and—an output device (24) for providing the alignment dataset (ADS).

Technique for performing camera calibration on a vehicle is disclosed. A method of performing camera calibration includes emitting, by a laser emitter located on a vehicle and pointed towards a road, a first laser pulse group towards a first location on a road and a second laser pulse group towards a second location on the road, where each laser pulse group includes one or more laser spots. For each laser pulse group: a first set of distances are calculated from a location of a laser receiver to the one or more laser spots, and a second set of distances are determined from an image obtained from a camera, where the second set of distances are from a location of the camera to the one or more laser spots. The method also includes determining two camera calibration parameters of the camera by solving two equations.