Abstract: A ratchet wrench includes a body, a ratchet wheel, a pawl, a switch unit, a ring, a top clip and a bottom clip. The body includes a through hole, a first recess, a second recess, a top recessed area and a bottom recessed area to accommodate the ratchet wheel, the pawl, the switch unit, the ring, the top clip and the bottom clip. The ratchet wheel has a first pivotal portion, a top groove, a second pivotal portion and a bottom groove. The pawl has a notch. The switch unit is pivoted to control the movement of the pawl in the first recess. The ring is located in the top recessed area and has a fourth pivotal portion connected to the first pivotal portion. The top clip and the bottom clip respectively clip two ends of the ratchet wheel to restrict the ring and the ratchet wheel.

Abstract: The present invention provides a method for analyzing client events of an electric power consumer. By using the load operation time of the loads of the electric power consumer, the load operation modes can be given. By relating the load operation modes, the load operation relation modes will be given. Then data mining or an expert system can be adopted for corresponding the load operation modes to the client events and thus giving the behavior model of the electric power consumer.

Abstract: The present invention provides a method for acquiring the load operation probability of an electric power consumer and a method for acquiring the load operation probability of electric power consumer groups. The load information and the total power consumption information of an electric power consumer and the load information and the total power consumption information of electric power consumer groups can be given. The time-segment power consumption information of an electric power consumer and electric power consumer groups can be given. The load operation probability of an electric power consumer and electric power consumer groups can be given by calculations using algorithms.

Abstract: A ratchet wrench includes a head with two lugs extending therefrom, and a ratchet wheel and a pawl are received in the head. A handle has a tongue which is pivotably inserted between the two lugs, and a resilient unit is connected to the tongue. The resilient unit is engaged with a concavity in the rear side of the pawl to push the pawl to be engaged with the ratchet wheel. The handle has two blocks on the top and the bottom thereof, each block has two inclined faces which contact the end faces of the two lugs when pivoting the handle. The resilient unit is moved with the tongue so as to change the position of the pawl to decide the ratcheting direction of the ratchet wrench.

Abstract: A pipe wrench includes a fixed jaw with alternatively located first recesses and first driving faces defined in the inner side thereof. A pivotal member is pivotably connected to the fixed jaw and a resilient member is biased between the fixed jaw and the pivotal member. The pivotal member has alternatively located third recesses and second driving faces. A hexagonal space is defined between the first and second driving faces. The end portion of the pivotal member is inserted into a second recess defined in the inner side of the fixed jaw. The object is clamped in the hexagonal space, and the pivotal member can be pivoted away from the fixed jaw. The pipe wrench is able to quickly clamp and dismounted from the object.

Abstract: A ratchet wrench includes a body, a driving unit, a control unit, a first rotary unit, a second rotary unit and a second connector. The body has a first recess and a restriction portion. The driving unit is connected to the working end of the body and is driven by the control unit to allow the wrench to be rotated clockwise or counter clockwise. The first rotary unit has a first rotary rod, a third toothed ring, a sleeve, a first clip, a second resilient member and a bead. The second rotary unit has a second rotary rod, two caps, a second resilient member, a third rotary rod and a handle. The second connector is located in the restriction portion. The second connector is located corresponding to the groove of the first rotary rod, so that the first rotary rod does not drop from the first recess.

Abstract: A pipe wrench includes a fixed jaw with alternatively located first recesses and first driving faces defined in the inner side thereof. A pivotal member is pivotably connected to the fixed jaw and a resilient member is biased between the fixed jaw and the pivotal member. The pivotal member has alternatively located third recesses and second driving faces. A hexagonal space is defined between the first and second driving faces. The end portion of the pivotal member is inserted into a second recess defined in the inner side of the fixed jaw. The object is clamped in the hexagonal space, and the pivotal member can be pivoted away from the fixed jaw. The pipe wrench is able to quickly clamp and dismounted from the object.

Abstract: A ratchet wrench includes a body, a ratchet wheel, a pawl, a ring, a top clip and a bottom clip. The body includes a through hole which defines through the top and the bottom of the body. A top recessed area and a bottom recessed area are respectively defined in the top and the bottom of the body. A recess is defined in the inner periphery of the through hole and a protrusion with a receiving slot extends from one end of the recess. A resilient member is received in the receiving slot to bias the pawl in the recess to engage with the ratchet wheel. The ring is engaged with the top recessed area. The top clip is engaged with the top recessed area and clips the ratchet wheel. The bottom clip is engaged with the bottom recessed area and clips the ratchet wheel.

Abstract: An interface mounting device includes a circuit board with a connector and a bracket configured to receive an interface device and including a hook. The circuit board defines an installation opening and a cutout extending from an edge of the installation opening. The bracket is received in the installation opening. The hook is engaged with the circuit board through the cutout. The bracket defines a guiding slot aligned with the connector. The guiding slot is configured for a coupling portion of the interface device to pass through and coupling to the connector. A printed circuit board assembly with the interface mounting device is also provided.

Abstract: A ratchet wrench includes a head with a ratchet wheel received in the first room in the head. A second room is defined in the inner periphery of the first room. The head has a top closed portion and a bottom closed portion, the second room is located between the top and bottom closed portions. A pawl is located in the second room and a resilient member is biased between the pawl and the inside of the second room so as to engage the pawl with the ratchet wheel. A positioning hole is defined through the top and bottom closed portions. A pin extends through the positioning hole and has a section located in the second room to restrict the movement of the pawl in the second room. The pawl can be made smaller than the pawls used in the conventional ratchet wrenches.

Abstract: Router includes an enclosure, a circuit board located in the enclosure, a first expansion module, and a second expansion module. The first expansion module and the second expansion module are selectively coupled to the circuit board. When the first expansion module is coupled to the circuit board, the router is used to build a local area network or a wireless network. When the second expansion module is coupled to the circuit board, the router is used to connect a plurality of electronic devices.

Abstract: A ratchet wrench includes a head with two lugs extending therefrom, and a ratchet wheel and a pawl are received in the head. A handle has a tongue which is pivotably inserted between the two lugs, and a resilient unit is connected to the tongue. The resilient unit is engaged with a concavity in the rear side of the pawl to push the pawl to be engaged with the ratchet wheel. The handle has two blocks on the top and the bottom thereof, each block has two inclined faces which contact the end faces of the two lugs when pivoting the handle. The resilient unit is moved with the tongue so as to change the position of the pawl to decide the ratcheting direction of the ratchet wrench.

Abstract: A ratchet wrench includes a body, a driving unit, a control unit, a first rotary unit, a second rotary unit and a second connector. The body has a first recess and a restriction portion. The driving unit is connected to the working end of the body and is driven by the control unit to allow the wrench to be rotated clockwise or counter clockwise. The first rotary unit has a first rotary rod, a third toothed ring, a sleeve, a first clip, a second resilient member and a bead. The second rotary unit has a second rotary rod, two caps, a second resilient member, a third rotary rod and a handle. The second connector is located in the restriction portion. The second connector is located corresponding to the groove of the first rotary rod, so that the first rotary rod does not drop from the first recess.

Abstract: An interface mounting device includes a circuit board with a connector and a bracket configured to receive an interface device and including a hook. The circuit board defines an installation opening and a cutout extending from an edge of the installation opening. The bracket is received in the installation opening. The hook is engaged with the circuit board through the cutout. The bracket defines a guiding slot aligned with the connector. The guiding slot is configured for a coupling portion of the interface device to pass through and coupling to the connector. A printed circuit board assembly with the interface mounting device is also provided.

Abstract: An electronic whiteboard able to use any shell and any touchscreen includes a shell and a touch-screen. The touch-screen includes a cable. The shell includes a side plate and a bottom plate. The bottom plate is substantially perpendicular to the side plate. The side plate defines a receiving groove. The touch-screen is engaged with the bottom plate. The cable is received in the receiving groove. A shell of an electronic device is also provided.

Abstract: An open wrench includes two heads overlapped to each other, two covers connected to top and bottom of the heads, and a pawl. Each head has a first recess, a recessed section, a contact face, and a second recess. The pawl is movably located within the second recess. The pawl has a first engaging portion, a second engaging portion, a reception slot and a curved slot. A resilient member is located in the reception slot. A pin extends through the covers and the curved slot. The pin contacts one end of the resilient member and contacts one inner end of the curved slot. When an object is located in the first recess, the contact face contacts one side of the object, and the first and second engaging portions contact two adjacent sides of the object. The object can be rotated continuously.

Abstract: Router includes an enclosure, a circuit board located in the enclosure, a first expansion module, and a second expansion module. The first expansion module and the second expansion module are selectively coupled to the circuit board. When the first expansion module is coupled to the circuit board, the router is used to build a local area network or a wireless network. When the second expansion module is coupled to the circuit board, the router is used to connect a plurality of electronic devices.

Abstract: A light sensing apparatus includes a light sensing module, a signal conversion module and a processing module. The light sensing module is configured to output a first and second sense signals according to a light intensity emitting thereon. The signal conversion module is electrically coupled to the light sensing module and configured to receive the first and second sense signals and output a sense value according to a relative difference between the first and second sense signals, The comparison module is electrically coupled to the signal conversion module and configured to adjust a light sensing characteristic of the light sensing module according to the sense value so as to adjust a light sensing characteristic of the light sensing module. An adjustment method for a light sensing apparatus is also provided.

Abstract: An integrated circuit (IC) is provided. The IC includes an RF transmitter configured to generate an RF signal in response to a command signal from test equipment; an RF receiver configured to generate an evaluation signal according to the RF signal, and report the evaluation signal to the test equipment, so that the test equipment performs a test analysis on the evaluation signal to determine a test result, wherein the test equipment is external to the IC.

Abstract: A driving circuit including a display module, a retrieving module, a touch module, and an adjusting module is provided. The display module outputs a plurality of image control signals. The retrieving module is coupled with the display module, wherein the retrieving module retrieves the image control signals and sets a preset offset value according to a coupling level of the image control signals. The touch module outputs a plurality of driving signals. The adjusting module is coupled between the retrieving module and the touch module, wherein the adjusting module adjusts the driving signals according to the preset offset value.