A shape acquiring method that makes it possible to easily obtain information on the shape of a target object without using light includes acquiring information on inclination angles of a target object at a plurality of points using a plurality of inclination sensors attached to the target object (steps S2 and S4) and obtaining shape information of the target object through calculation using the acquired information on the inclination angles at the plurality of points (step S5).

A sensor interface circuit and sensor output adjusting method are provided. The sensor interface circuit includes a processor and a gain control circuit. The processor obtains information of a linear region of a sensor to set a configuration corresponding to the sensor. The gain control circuit is coupled to the processor, performs a return-to-zero operation for a maximum electronic value and a minimum electronic value corresponding to the linear region and performs a full-scale operation for a slope of the linear region according to the maximum input range of an analog-to-digital converter which is a subsequent-stage circuit of the sensor interface circuit.

A method for operating a confocal white light sensor on a coordinate measuring machine including a sensor carrier configured to couple a coordinate measurement sensor that is movable in a straight movement direction relative to a base of the coordinate measuring machine is provided. A confocal white light sensor is coupled to the sensor carrier and oriented in the straight movement direction toward a reference body. The sensor carrier and the reference body are moved relative to one another in the straight movement direction, and a measurement signal representing a distance between the confocal white light sensor and the reference body is generated at different movement positions. Information relating to a relationship between measurement signals of the confocal white light sensor and an actual distance of the white light sensor to a measurement object is obtained and a measurement value of the object distance is generated.

A coordinate-measuring system and related method for securely and intelligently coupling and connecting a mobile terminal device to a stationary coordinate-measuring device. A mobile terminal is arranged to be physically separate from and movable in relation to the coordinate-measuring device and is designed for the operation of the coordinate-measuring device. The coordinate-measuring device and the mobile terminal are designed to establish an authenticated wireless connection for exchanging data between the coordinate-measuring device and the mobile terminal. An identifier, which uniquely identifies the coordinate-measuring device, and a dynamic first key are associated with the coordinate-measuring device. The dynamic first key represents an access authorization and preferably also a degree of access authorization of the user. The mobile terminal device is also designed to request the first key from the user. The first key is used for authentication in the establishment of the wireless connection.

A coordinate-measuring system and related method for securely and intelligently coupling and connecting a mobile terminal device to a stationary coordinate-measuring device. A mobile terminal is arranged to be physically separate from and movable in relation to the coordinate-measuring device and is designed for the operation of the coordinate-measuring device. The coordinate-measuring device and the mobile terminal are designed to establish an authenticated wireless connection for exchanging data between the coordinate-measuring device and the mobile terminal. An identifier, which uniquely identifies the coordinate-measuring device, and a dynamic first key are associated with the coordinate-measuring device. The dynamic first key represents an access authorization and preferably also a degree of access authorization of the user. The mobile terminal device is also designed to request the first key from the user. The first key is used for authentication in the establishment of the wireless connection.

A sensor interface circuit and sensor output adjusting method are provided. The sensor interface circuit includes a processor and a gain control circuit. The processor obtains information of a linear region of a sensor to set a configuration corresponding to the sensor. The gain control circuit is coupled to the processor, performs a return-to-zero operation for a maximum electronic value and a minimum electronic value corresponding to the linear region and performs a full-scale operation for a slope of the linear region according to the maximum input range of an analog-to-digital converter which is a subsequent-stage circuit of the sensor interface circuit.

A measuring assembly with a mechanical excitation device that excites the metal belt of a transport device at an excitation frequency (fA) to produce mechanical vibrations. Analog measurement signals (MA) characterizing the amplitude (A) of the excited mechanical vibrations are detected for corresponding regions of the metal belt using sensor elements. The measurement signals (MA) are digitized with digitization devices and the digitized measurement signals or signals derived therefrom are transmitted from the digitization devices to an evaluation device arranged outside of the measuring assembly as transmitted signals (MA). The sensor elements comprise eddy current sensors. The eddy current sensors, which directly adjoin one another when viewed in the width direction are operated using different operating frequencies (f1, f2, f3). When the sensor elements are viewed as a whole, a plurality of sensor elements are operated using the same operating frequency (f1, f2, f3).

Provided is a length measuring device having an automatic zero point adjusting function and a control method thereof. The length measuring device includes a line to which a hook part is attached at one end, a case having an opening formed therein, a rotating part to be rotated according to extraction or retraction of the line out of or into the case through the opening, a rotation sensing part which senses a rotation of the rotating part, and a control part which converts an amount of rotation of the rotating part into a length measurement value and resets the converted length measurement value to a predetermined value when the length measuring device is in a first state.

Computer system and computer-implemented method comprising: providing a digital-twin database comprising individual digital twins for a multitude of coordinate measuring devices; assigning an individual code to each of the multitude of coordinate measuring devices; providing on a first coordinate measuring device the assigned code; and pairing the first device with a mobile device, the pairing comprising capturing the individual code of the first device and sending the captured individual code together with an identifier, verifying the sent individual code and storing the identifier of the mobile device assigned to the digital twin of the first device.

A micrometer further comprising a pressure sensor measuring the pressure experienced by the spindle. The micrometer is configured to present an indication signal when the pressure data generated by the pressure sensor indicates that a pressure threshold has been reached. The indication signal may be presented visually or audibly. The micrometer may further comprise an automatic locking mechanism to retain the spindle in position when the pressure threshold has been reached.