Abstract: A spectrometer engine and an adjustment method thereof are provided. The spectrometer engine includes a connector, a light sensor, a variable gain amplifier, a variable reference voltage generation circuit, an analog-to-digital converter and a control circuit. The light sensor senses a light to be measured coming from an object to be measured to generate a sensing signal. The variable gain amplifier amplifies the sensing signal according to a first setting parameter to generate an amplified signal. The variable reference voltage generation circuit provides a reference voltage according to a second setting parameter. The analog-to-digital converter converts the amplified signal to a digital signal according to the reference voltage. The control circuit reads the digital signal and adjusts at least one of the first to third setting parameters according to the digital signal for the spectrometer engine to measure the object to be measured again to generate another digital signal.

Abstract: A spectrometer and a spectrum measurement method thereof are provided. An analog-to-digital converter converts an amplified signal into a digital signal according to a reference voltage provided by a variable reference voltage generation circuit and amplifies the digital signal according to a target signal value, thereby approximating a signal value of the amplified digital signal to the target signal value. A control circuit outputs a spectral signal according to the amplified digital signal. A user can obtain spectrum measurement results that can be easily interpreted by the spectrometer and the spectrum measurement method thereof, without changing hardware or software, so as to improve convenience of use of the spectrometer.

Abstract: A spectrometer including an optomechanical module and a control module is provided. The optomechanical module includes an optomechanical engine and a sampling device. The optomechanical engine and the sampling device are disposed in the optomechanical module. The sampling device is coupled to the optomechanical engine. The sampling device is configured to transfer a sampling light to the optomechanical engine. The sampling device includes a memory device. The memory device is disposed in the sampling device. The memory device is configured to pre-store an optomechanical parameter corresponding to the optomechanical engine. The control module is coupled to the optomechanical module. The control module is configured to read the memory device to obtain the optomechanical parameter. The control module calibrates the optomechanical engine according to the optomechanical parameter.

Abstract: An image-measuring apparatus without axial alignment is configured to measure a workpiece. The image-measuring apparatus without axial alignment includes a rotating plate, a lighting unit, an image capturing unit, a central control unit and a rotary driving member. The workpiece is disposed on the rotating plate. The lighting unit is configured to generate a light beam to illuminate the workpiece to form a first workpiece blocking shadow area on the image capturing unit. The rotating plate and the workpiece are rotated through a rotational angle by the central control unit to form a second workpiece blocking shadow area on the image capturing unit. The central control unit calculates the first workpiece blocking shadow area and the second workpiece blocking shadow area to generate an axial position of the workpiece. There is a distance between an axial position of the rotating plate and the axial position of the workpiece.

Abstract: A spectrometer engine and an adjustment method thereof are provided. The spectrometer engine includes a connector, a light sensor, a variable gain amplifier, a variable reference voltage generation circuit, an analog-to-digital converter and a control circuit. The light sensor senses a light to be measured coming from an object to be measured to generate a sensing signal. The variable gain amplifier amplifies the sensing signal according to a first setting parameter to generate an amplified signal. The variable reference voltage generation circuit provides a reference voltage according to a second setting parameter. The analog-to-digital converter converts the amplified signal to a digital signal according to the reference voltage. The control circuit reads the digital signal and adjusts at least one of the first to third setting parameters according to the digital signal for the spectrometer engine to measure the object to be measured again to generate another digital signal.

Abstract: A spectrometer including an optomechanical module and a control module is provided. The optomechanical module includes an optomechanical engine and a sampling device. The optomechanical engine and the sampling device are disposed in the optomechanical module. The sampling device is coupled to the optomechanical engine. The sampling device is configured to transfer a sampling light to the optomechanical engine. The sampling device includes a memory device. The memory device is disposed in the sampling device. The memory device is configured to pre-store an optomechanical parameter corresponding to the optomechanical engine. The control module is coupled to the optomechanical module. The control module is configured to read the memory device to obtain the optomechanical parameter. The control module calibrates the optomechanical engine according to the optomechanical parameter.

Abstract: A spectrometer system including a spectrometer device, a mobile apparatus and a cloud server is provided. The spectrometer device scans a target object according to one of a plurality of sets of spectral scan setting parameters to generate spectral data. The mobile apparatus sets the spectrometer device to select one set from the plurality of sets spectral scan setting parameters for scanning the target object. The mobile apparatus receives the spectral data from the spectrometer device and outputs the spectral data. The cloud server stores detection models and the spectral data received from the mobile apparatus, and analyzes the spectral data according to one of the detection models to output an analysis result to the mobile apparatus. The spectrometer system can reduce network transmission traffic and prevent object analysis and model building from being affected by unregulated spectral data so correctness of spectral scan can be controlled.

Abstract: A light source measurement monitoring method and system of a spectrometer are provided. The method includes: driving a test light source by a driving parameter; obtaining sensing data related to the test light source through a sensor; comparing the sensing data with a predetermined range to generate a comparison result; starting performing a spectrum measurement to a test object when the sensing data falls within the predetermined range; and sending a warning signal when the sensing data is out of the predetermined range.

Abstract: A spectrometer system including a spectrometer device, a mobile apparatus and a cloud server is provided. The spectrometer device scans a target object according to one of a plurality of sets of spectral scan setting parameters to generate spectral data. The mobile apparatus sets the spectrometer device to select one set from the plurality of sets spectral scan setting parameters for scanning the target object. The mobile apparatus receives the spectral data from the spectrometer device and outputs the spectral data. The cloud server stores detection models and the spectral data received from the mobile apparatus, and analyzes the spectral data according to one of the detection models to output an analysis result to the mobile apparatus. The spectrometer system can reduce network transmission traffic and prevent object analysis and model building from being affected by unregulated spectral data so correctness of spectral scan can be controlled.

Abstract: A spectrometer including a spectrum sampling device and a spectrometer engine is provided. The spectrum sampling device outputs an identification signal. The spectrometer engine is electrically connected to the spectrum sampling device. The spectrometer engine receives the identification signal and a spectrum. The spectrometer engine has a plurality of wavelength correction functions, and the spectrometer engine selects one of the plurality of wavelength correction functions according to the identification signal. The spectrometer engine corrects the spectrum according to the selected wavelength correction function. Moreover, a spectrum sampling device and a spectrum correction method are also provided. The spectrometer of the invention is adapted to improve accuracy of spectrum measurement.

Abstract: A measurement system comprises an illumination module, an image pickup device, an angle adjustment module, and a control unit. The illumination module is configured to illuminate an object. The image pickup device is configured to pick up an image of the object. The angle adjustment module is configured to adjust an relative angle between the object and the image pickup device. The control unit is electrically connected to the image pickup device and the angle adjustment module and configured to receive an image signal from the image pickup device. The control unit is configured to command the angle adjustment module to adjust the relative angle to at least three values. The image pickup device is configured to pick up images of the object respectively corresponding to the at least three values. The control unit is configured to calculate the relative angle between the object and the image pickup device.

Abstract: A spectrometer and a spectrum measurement method thereof are provided. An analog-to-digital converter converts an amplified signal into a digital signal according to a reference voltage provided by a variable reference voltage generation circuit and amplifies the digital signal according to a target signal value, thereby approximating a signal value of the amplified digital signal to the target signal value. A control circuit outputs a spectral signal according to the amplified digital signal. A user can obtain spectrum measurement results that can be easily interpreted by the spectrometer and the spectrum measurement method thereof, without changing hardware or software, so as to improve convenience of use of the spectrometer.

Abstract: An adapter casing module for installing a power socket includes a first casing and a second casing engaged correspondingly with the first casing, and the first casing has a fixed base, and the second casing has an opening disposed opposite to the fixed base, and the fixed base includes two elastic walls protruded from the first casing, and the two elastic walls are arranged with an interval apart and opposite to each other for installing the power socket between the elastic walls, and a first limit structure is disposed on a side of the two elastic walls, and a second limit structure is disposed on the other side of the two elastic walls, and the first and second limit structures are provided for limiting the power socket to be situated in the fixed base and configured to be corresponsive to the opening of the second casing.

Abstract: A system for printed circuit board layout includes a processing unit and a memory unit. The memory unit stores physical node data and virtual node data. The processing unit is electrically coupled to the memory unit and configured to execute steps of a method for printed circuit board layout. In particular, the physical node data of a printed circuit board (PCB) is acquired. The physical node data include a plurality of data structure and coordinate points of the physical nodes. The virtual node data of the PCB is acquired. The virtual node data include a plurality of data structure of the virtual nodes. A corresponding relation of the physical nodes and the virtual nodes is determined according to the physical node data and the virtual node data. The virtual nodes are disposed at the physical node coordinate points according to the corresponding relation.

Abstract: A light-emitting module includes a base formed with a circular surface region, two yellow light-emitting chips and two white light-emitting chips disposed on the circular surface region of the base, and a plurality of wires. The circular surface region has a diameter ranging between 4 mm and 6.8 mm. Each of the yellow and white light-emitting chips has a radiant power ranging between 2 watts and 6 watts. The wires include a first chip-connection portion for electrically connecting the yellow light-emitting chips in series, and a second chip-connection portion for electrically connecting the white light-emitting chips in series. A lighting device includes the above light-emitting module is also disclosed.

Abstract: A system for printed circuit board layout includes a processing unit and a memory unit. The memory unit stores physical node data and virtual node data. The processing unit is electrically coupled to the memory unit and configured to execute steps of a method for printed circuit board layout. In particular, the physical node data of a printed circuit board (PCB) is acquired. The physical node data include a plurality of data structure and coordinate points of the physical nodes. The virtual node data of the PCB is acquired. The virtual node data include a plurality of data structure of the virtual nodes. A corresponding relation of the physical nodes and the virtual nodes is determined according to the physical node data and the virtual node data. The virtual nodes are disposed at the physical node coordinate points according to the corresponding relation.

Abstract: A method and a system of checking signals of adjacent layers of a circuit board are disclosed, where the method includes steps as follows. A check range of at least one check signal segment is required. It is determined whether the adjacent layers have an another signal segment in check range. When the adjacent layers have said another signal segment, the check signal segment and said another signal segment are merged to get a remaining area of the check range. The total area of the check range minus the remaining area leaves a segment area in the check range. The segment area divided by a default width determines a segment length. It is determined whether the segment length meets a predetermined length requirement.

Abstract: A measurement system comprises an illumination module, an image pickup device, an angle adjustment module, and a control unit. The illumination module is configured to illuminate an object. The image pickup device is configured to pick up an image of the object. The angle adjustment module is configured to adjust an relative angle between the object and the image pickup device. The control unit is electrically connected to the image pickup device and the angle adjustment module and configured to receive an image signal from the image pickup device. The control unit is configured to command the angle adjustment module to adjust the relative angle to at least three values. The image pickup device is configured to pick up images of the object respectively corresponding to the at least three values. The control unit is configured to calculate the relative angle between the object and the image pickup device.

Abstract: A method for playing a three-dimensional video is provided, which includes the following steps. A disparity velocity or a disparity acceleration for at least one continuous video in the three-dimensional video is calculated. A visual fatigue estimating value of a viewer is calculated according to the disparity velocity or the disparity acceleration. A subsequent playback of the three-dimensional video is controlled according to the visual fatigue estimating value.

Abstract: A wearable display and an adjusting method thereof are provided. The adjusting method comprises the following steps. A background image is provided. A central mark is displayed and overlapped with the background image. A first sight line passes through the central mark. A blind spot mark is displayed and overlapped with the background image. A second sight line passes through the blind spot mark. An included angle between the first sight line and the second sight line is substantially 14 to 16 degrees.