Abstract: A sheet pick-up device of an automatic document feeder is provided. The sheet pick-up device includes a two-way clutch transmission mechanism, a sheet pick-up arm, a stopper and a linking assembly. When the two-way clutch transmission mechanism is operated to have the sheet pick-up arm move to a standby position, the stopper is moved with the linking assembly to be in a stopping position. Whereas, when the two-way clutch transmission mechanism is operated to have the sheet pick-up arm move to a sheet pick-up position, the stopper is in a non-stopping position. The sheet pick-up device has enhanced operating stability.

Abstract: A clutch transmission mechanism of a printing device includes a power input shaft, a power input gear, a gear-shifting arm, a first gear-shifting module and a second gear-shifting module. In the cooperation of these components and modules, the printing device can be operated in a first gear-shifting mode or a second first gear-shifting mode. When the printing device can be operated in a first gear-shifting mode or a second first gear-shifting mode, the clutch transmission mechanism coaxially transmits the driving force. As such, the stability of transmitting the driving force is enhanced.

Abstract: A shield device includes a clip, which includes a base, two sidewalls and two clamping members. The two sidewalls extend upward from two opposite edges of the base, and the two clamping members extend upward and inward from the top of the sidewalls. The clamping members define a plurality of first clamping elements and a plurality of second clamping elements. Two opposite ones of the first clamping elements are spaced from each other at a first distance, two opposite ones of the second clamping elements are spaced from each other at a second distance, and the first distance is greater than the second distance.

Abstract: A computer-based method for programming measuring equipment offline is provided. The method includes the steps of: setting a format for all output measuring dimensions of a product; receiving nominal scales and tolerances corresponding to the measuring dimensions; importing the nominal scales and tolerances to the output measuring dimensions of the product; setting conversion relations between the output measuring dimensions of the product and codes of measurement software; converting the output measuring dimensions into codes of the measurement software in a client (50) connected to the measuring equipment; creating an element file in a computer (30); and loading codes of the output measuring dimensions into the element file. A related system is also provided.

Abstract: The present invention discloses a transformer structure. The transformer structure comprises a first primary winding, and a first secondary circuits. The first secondary circuits comprises a filtering capacitor, a conductive Cu windings and a rectifier configured onto the printed circuit board (PCB) forming the first secondary circuits PCB winding. The first primary winding and the secondary circuits are interleaved with each other.

Abstract: A computer-based method for programming measuring equipment offline is provided. The method includes the steps of: setting a format for all output measuring dimensions of a product; receiving nominal scales and tolerances corresponding to the measuring dimensions; importing the nominal scales and tolerances to the output measuring dimensions of the product; setting conversion relations between the output measuring dimensions of the product and codes of measurement software; converting the output measuring dimensions into codes of the measurement software in a client (50) connected to the measuring equipment; creating an element file in a computer (30); and loading codes of the output measuring dimensions into the element file. A related system is also provided.