Abstract: A 3D printer includes a frame, a carrier, a nozzle and a detection device. The carrier is fixed to the frame. The nozzle is movably disposed on the frame. The detection device includes a piezoelectric ceramic sheet and a position detector. The piezoelectric ceramic sheet is in contact with the carrier. The position detector is disposed on the nozzle.

Abstract: A light-curing 3D printer includes a base, a display panel, a tank, a printing main body and a vibration detector. The display panel is disposed on the base. The tank is disposed on the base and corresponds to the display panel, and the tank is configured to store a printing material. The printing main body corresponds to the tank and the display panel and configured to perform 3D printing with the printing material in the tank. The vibration detector is disposed in the base and includes a piezoelectric ceramic sheet and a vibration transmission plate. The piezoelectric ceramic sheet is disposed on the vibration transmission plate, and the vibration transmission plate is in contact with the display panel.

Abstract: A low-shrinkage photocurable material is provided in the present disclosure. The low-shrinkage photocurable material includes an acrylonitrile butadiene styrene resin, a carbon black and a dispersant. The carbon black and the dispersant are mixed with the acrylonitrile butadiene styrene resin. The weight percentage of the acrylonitrile butadiene styrene resin is 85%-99.45%, the weight percentage of the carbon black is 0.05%-5%, and the weight percentage of the dispersant is 0.5%-10%.

Abstract: A door lock device is provided and includes: a housing, an acting assembly arranged in the housing and having a lock tongue, an operating assembly arranged in the housing and interlocked with an outdoor handle, and a regulating assembly arranged in the housing for a user to regulate the operating assembly into an interlocking state or an idle state. As such, in the interlocking state, the outdoor handle drives the acting assembly through the operating assembly to cause the lock tongue to extend or retract relative to the housing, and in the idle state, the operating assembly cannot drive the acting assembly and the outdoor handle cannot be interlocked with the lock tongue.

Abstract: A door lock device is provided and includes: a housing, an acting assembly arranged in the housing and having a lock tongue, an operating assembly arranged in the housing and interlocked with an outdoor handle, and a regulating assembly arranged in the housing for a user to regulate the operating assembly into an interlocking state or an idle state. As such, in the interlocking state, the outdoor handle drives the acting assembly through the operating assembly to cause the lock tongue to extend or retract relative to the housing, and in the idle state, the operating assembly cannot drive the acting assembly and the outdoor handle cannot be interlocked with the lock tongue.

Abstract: A door lock device is provided and includes: a housing, an acting assembly arranged in the housing and having a lock tongue, an operating assembly arranged in the housing and interlocked with an outdoor handle, and a regulating assembly arranged in the housing for a user to regulate the operating assembly into an interlocking state or an idle state. As such, in the interlocking state, the outdoor handle drives the acting assembly through the operating assembly to cause the lock tongue to extend or retract relative to the housing, and in the idle state, the operating assembly cannot drive the acting assembly and the outdoor handle cannot be interlocked with the lock tongue.

Abstract: A door lock device is provided and includes: a housing, an acting assembly arranged in the housing and having a lock tongue, an operating assembly arranged in the housing and interlocked with an outdoor handle, and a regulating assembly arranged in the housing for a user to regulate the operating assembly into an interlocking state or an idle state. As such, in the interlocking state, the outdoor handle drives the acting assembly through the operating assembly to cause the lock tongue to extend or retract relative to the housing, and in the idle state, the operating assembly cannot drive the acting assembly and the outdoor handle cannot be interlocked with the lock tongue.

Abstract: A low-shrinkage photocurable material is provided in the present disclosure. The low-shrinkage photocurable material includes an acrylonitrile butadiene styrene resin, a carbon black and a dispersant. The carbon black and the dispersant are mixed with the acrylonitrile butadiene styrene resin. The weight percentage of the acrylonitrile butadiene styrene resin is 85%-99.45%, the weight percentage of the carbon black is 0.05%-5%, and the weight percentage of the dispersant is 0.5%-10%.

Abstract: A multi-axis polishing apparatus includes a machine body, a multi-axis transmission device, and an abrasive container set. The multi-axis transmission device, movably mounted onto a main vertical column in a machine body that can move in an insertion direction, includes a driving module and a plurality of shaft assemblies connected transmissively to the driving module. The plurality of shaft assemblies is used to mount a plurality of workpieces, respectively. The abrasive container set, located below the multi-axis transmission device, is filled with abrasive materials. The multi-axis transmission device moves in the insertion direction to position the plurality of shaft assemblies as well as the plurality of workpieces downward into the abrasive container set, and then the driving module rotates the plurality of shaft assemblies and the plurality of workpieces to utilize the abrasive materials to polish the plurality of workpieces.

Abstract: A revolving multi-axis polishing apparatus includes a main vertical column in a machine body, an abrasive container set, and a multi-axis transmission device. The abrasive container adjacent to the main vertical column is filled with abrasive materials. The multi-axis transmission device, is movably mounted onto the main vertical column containing a moving mechanism, includes a primary driving module, a transmission housing, a rotation assembly, a plurality of secondary driving modules, and a plurality of shaft assemblies. The transmission housing is connected to the primary driving module. The rotation assembly is rotatably mounted inside the transmission housing. The secondary driving modules mounted onto the transmission housing are transmissively connected individually to the rotation assembly. The shaft assemblies rotatably locked onto the rotating assembly are driven to rotate and revolve synchronously to achieve polishing actions.

Abstract: A position adjustment apparatus includes a housing main body, a connecting shaft, a spring, a guiding shaft and a rear shaft. The connecting shaft and the spring are installed between the guiding shaft and the rear shaft, and the spring is configured to be a compression spring; therefore, the structure of the position adjustment apparatus is simplified, manufacturing costs are reduced, and the assembly and manufacturing speed of the apparatus are increased along with the use of the compression spring to reduce the destruction of the spring structure due to pulling thereon. Consequently, as the guiding shaft drives the connecting shaft to actuate the rear shaft, the objective of prolonging the useful lifetime of the position adjustment apparatus can be achieved without the use of any torsion springs or pull springs.

Abstract: A position adjustment apparatus includes a housing main body, a connecting shaft, a spring, a guiding shaft and a rear shaft. The connecting shaft and the spring are installed between the guiding shaft and the rear shaft, and the spring is configured to be a compression spring; therefore, the structure of the position adjustment apparatus is simplified, manufacturing costs are reduced, and the assembly and manufacturing speed of the apparatus are increased along with the use of the compression spring to reduce the destruction of the spring structure due to pulling thereon. Consequently, as the guiding shaft drives the connecting shaft to actuate the rear shaft, the objective of prolonging the useful lifetime of the position adjustment apparatus can be achieved without the use of any torsion springs or pull springs.

Abstract: A door latch assembly includes two receptacles and latchbolts mounted to a door panel, two actuating levers connected to the latchbolts, a base support attached the door panel, a sliding member slidably attached to the base support, two cranks attached to the base support and engaged with the sliding member, two couplers attached to the base support and coupled to the cranks, two seats attached to the couplers, and two adjusting devices each include one end threaded with the seat and another end threaded with the actuating lever and for allowing the actuating levers to be moved and adjusted relative to the seats with the adjusting device.

Abstract: An operating device and an electronic device using the same are provided. The operating device includes a base, an electronic circuit board, a lever and a slider. The base includes a bearer. The electronic circuit board is disposed on the base. The lever is disposed on the electronic circuit board. The slider is movably disposed on the sliding portion for triggering the lever.

Abstract: A digital-to-analog converting (DAC) circuit is utilized for converting a 1-bit stream into an analog output signal. The DAC includes an N-bit encoder, a multiplexer, a low-pass filter, and a digital-to-analog conversion circuit. The N-bit encoder is utilized for receiving the 1-bit stream and encoding the 1-bit stream to generate an N-bit stream, where N is larger than 1; the multiplexer is utilized for selectively outputting the N-bit stream or a zero signal as an output signal according to a selection signal; the low-pass filter is utilized to generate a filtered output signal according to the output signal; and the digital to analog conversion circuit is utilized to generate the analog output signal according to the filtered output signal.

Abstract: An operating device and an electronic device using the same are provided. The operating device comprises a base, an electronic circuit board, a lever and a slider. The base comprises a bearer. The electronic circuit board is disposed on the base. The lever is disposed on the electronic circuit board. The slider is movably disposed on the sliding portion for triggering the lever.

Abstract: A tire position identifying system is provided. The system includes: a plurality of tire pressure sensors, respectively configured on a plurality of tires for sensing tire information of the tires; at least one antenna, for transmitting a first trigger signal, and receiving a plurality of radio frequency signals from the tire pressure sensors that responds to the first trigger signal; and a controller, coupled to the at least one antenna, for determining relative positions of the tires according to the signal strength of radio frequency signals received by the at least one antenna.

Abstract: A keyless entry system comprises a resonant unit, a control unit and a portable device. The resonant unit is disposed to at least one door and generates a sensing signal when sensing a user approaching or touching the door. The control unit receives the sensing signal and controls the resonant unit to transmit a first authentication signal. The portable device receives the first authentication signal and transmits a second authentication signal according to the first authentication signal. The control unit receives the second authentication signal and controls the door according to the second authentication signal.

Abstract: A smart vehicle searching system with automatic positioning function is disclosed. The smart vehicle searching system with automatic positioning function includes a vehicle having a control module for outputting a control signal; a vehicle searching module having a first global positioning system unit and connected to the control module for receiving the control signal; a smart phone having a second global positioning system unit and a data storage unit; and a transmission medium connected to the vehicle searching module and the smart phone. The first global positioning system unit is operated in response to the control signal.

Abstract: A semiconductor package substrate proposed by the invention includes a base body and a plurality of finger pads disposed on surface of the base body, wherein the finger pads are arranged in such a way that an angle is formed between connecting line of centers of two adjacent finger pads and the direction in which the finger pads are arranged. The finger pads are waterdrop shaped finger pads with arc ends and angle ends alternately disposed on surface of the substrate, alternately disposed waterdrop shaped finger pads and arc shaped finger pads, or alternately disposed arc shaped finger pads at a predetermined spacing. According to the present invention, distance between adjacent finger pads is reduced and problem of short circuit as a result of erroneous contact between bonding wire and adjacent finger pad is prevented.