Abstract: A tool changing mechanism includes a tool base housing, a mandrel disposed therein and having a chamber and a keyway provided axially, and first and second linked units. A first shoulder portion is provided at an end of the keyway, and pulling jaws are disposed at the other end. The first linked unit has a first pulling rod, an end of which has an external thread, and the other end has a connecting portion driven by a pneumatic cylinder. The second linked unit has a second pulling rod, an end of which has an internal thread, and a pressing head is disposed at the other end. The second pulling rod has a sliding key located in the keyway. The first pulling rod is screwed into the second pulling rod, and the relative screwing rotation therebetween attains tool pulling for fixing or tool loosening for removing the cutting tool.

Abstract: A tool changing mechanism includes a tool base housing, a mandrel disposed therein and having a chamber and a keyway provided axially, and first and second linked units. A first shoulder portion is provided at an end of the keyway, and pulling jaws are disposed at the other end. The first linked unit has a first pulling rod, an end of which has an external thread, and the other end has a connecting portion driven by a pneumatic cylinder. The second linked unit has a second pulling rod, an end of which has an internal thread, and a pressing head is disposed at the other end. The second pulling rod has a sliding key located in the keyway. The first pulling rod is screwed into the second pulling rod, and the relative screwing rotation therebetween attains tool pulling for fixing or tool loosening for removing the cutting tool.

Abstract: A timing controller for a liquid crystal panel and a timing control method thereof are provided. The timing controller includes a timing control unit for analyzing an input signal to generate a system state transition voltage (STV) signal and a base STV signal, and the timing control unit outputs a base trigger signal and a switch trigger signal having asynchronous frame rates to a select unit at the same time. A compare unit determines whether frequencies of the two state signals are same, so that the select unit determines to forward the base trigger signal or the switch trigger signal to a level shift circuit. Finally, a signal-time control unit controls an output time of the base trigger signal, and controls an output time of the switch trigger signal, so that a liquid crystal unit connected to each gate line has an equal charge time.

Abstract: A timing controller for a liquid crystal panel and a timing control method thereof are provided. The timing controller includes a timing control unit for analyzing an input signal to generate a system state transition voltage (STV) signal and a base STV signal, and the timing control unit outputs a base trigger signal and a switch trigger signal having asynchronous frame rates to a select unit at the same time. A compare unit determines whether frequencies of the two state signals are same, so that the select unit determines to forward the base trigger signal or the switch trigger signal to a level shift circuit. Finally, a signal-time control unit controls an output time of the base trigger signal, and controls an output time of the switch trigger signal, so that a liquid crystal unit connected to each gate line has an equal charge time.

Abstract: An image control device has display signals and blank insertion (BI) signals. Polarities of the display signals and those of the BI signals are coincident. Thus, BI signals are displayed in a way of 1+2 line inversion and differences of response times are eliminated to avoid affecting MPRT.

Abstract: A timing controller for a liquid crystal panel and a timing control method thereof are provided. The timing controller includes a timing control unit for analyzing an input signal to generate a system state transition voltage (STV) signal and a base STV signal, and the timing control unit outputs a base trigger signal and a switch trigger signal having asynchronous frame rates to a select unit at the same time. A compare unit determines whether frequencies of the two state signals are same, so that the select unit determines to forward the base trigger signal or the switch trigger signal to a level shift circuit. Finally, a signal-time control unit controls an output time of the base trigger signal, and controls an output time of the switch trigger signal, so that a liquid crystal unit connected to each gate line has an equal charge time.

Abstract: A device for tuning an output enable signal and a method thereof are provided. In the method, a first scan signal and a second scan signal are filtered out according to a duty cycle of the output enable signal, so as to provide a first output scan signal and a second output scan signal. The duty cycle of the output enable signal is increased when a voltage level of the second output scan signal is converted from a disable state to an enable state before a voltage level of the first output scan signal is converted from an enable state to a disable state. Thereby, a rewriting problem is avoided.

Abstract: A source driver of an LCD includes a shift register, a set of data latches, and a detection circuit. The shift register includes a plurality of flip-flops for transmitting a start signal. The set of data latches transmits the display data signal according to output signals of the corresponding flip-flops. When the start signal is recognized as a black insertion signal, the detection circuit resets the shift register, and drives the set of data latches to output the black data signal, and transmits the black insertion signal to the next source driver.

Abstract: A common voltage generating circuit of an LCD includes a first flip-flop, a capacitor, a resistor and a regulating circuit. The first flip-flop receives a data-loading signal from the LCD, for outputting a step signal. The step signal forms a waveform voltage through the capacitor and the resistor. The regulating circuit inverts the waveform voltage and adjusts the magnitude and the DC level of the waveform voltage, for generating a common voltage. Compare to the common voltage of the color filter base plate, the common voltage generated by the common voltage generating circuit have the same frequency and magnitude, but opposite direction. Therefore, by generating the common voltage of opposite direction, the present invention eliminates crosstalk and improves uneven brightness of the displayed image.

Abstract: A device for tuning an output enable signal and a method thereof are provided. In the method, a first scan signal and a second scan signal are filtered out according to a duty cycle of the output enable signal, so as to provide a first output scan signal and a second output scan signal. The duty cycle of the output enable signal is increased when a voltage level of the second output scan signal is converted from a disable state to an enable state before a voltage level of the first output scan signal is converted from an enable state to a disable state. Thereby, a rewriting problem is avoided.

Abstract: A source driver of an LCD includes a shift register, a set of data latches, and a detection circuit. The shift register includes a plurality of flip-flops for transmitting a start signal. The set of data latches transmits the display data signal according to output signals of the corresponding flip-flops. When the start signal is recognized as a black insertion signal, the detection circuit resets the shift register, and drives the set of data latches to output the black data signal, and transmits the black insertion signal to the next source driver.

Abstract: An image control device has display signals and blank insertion (BI) signals. Polarities of the display signals and those of the BI signals are coincident.

Abstract: A lifted upright post device with multidirectional joints includes at least one upright post and a lifted device. The upright post is elongated with a homogeneous cross section, having longitudinal engaging slide grooves disposed at a circumferential periphery thereof and each of the slide grooves has an outer opening to communicate with the outside. The lifted device is selectively disposed in the slide grooves with a slide part being connected to a spacing board. Once the lifted device is actuated, the slide part can move upward or downward in the slide grooves longitudinally so as to move the spacing board synchronously.

Abstract: A lift screen has an upright post, a lift mechanism, and a partition board. The upright post is a hollow body, the lift mechanism is disposed in the upright post; and the partition board provides at least an elongated slide plate at a facial side and a lower side connects with the lift mechanism. The lift screen is possible to be set up into multiple forms with multiple functions so as to offer a high mobility and more flexibility while in use and to be set up into a form with a worktable, so as to satisfy various needs and desired arrangements.

Abstract: A lifted type computer desk set includes a desk body and a movable desk board. The desk body has a main desk board at the top thereof, a recess opening at the front side thereof and a keyboard rack at the lower side thereof and is supported with a leg device. The movable desk board has the size and the shape thereof corresponding to the recess opening and is pivotally connected to one or two lateral edges of the recess opening with a pivot part. A keyboard on the keyboard rack can be revealed while the movable desk board is lifted such that a sight distance to the display can be shortened.

Abstract: A connective device in a partition and screen system comprises at least and upright post, a plurality of retaining pins, a plurality of trunking parts longitudinal, and at least a partition. The upright post is cylindrical with a homogeneous cross section with longitudinal slide grooves circumferentially disposed through the entire length thereof. The retaining pins are selectively inserted into the slide grooves and each of the retaining pins has an arched side with two opposite lateral edges. The trunking parts are connected to the respective coupling pieces so as to be positioned next to the upper end and the lower end of the upright post. The partition fits with two of the trunking parts in a way of being disposed between one next to the upper end of the upright post and the other one next to the lower end of the upright post.

Abstract: A lifted upright post device with multidirectional joints includes at least one upright post and a lifted device. The upright post is elongated with a homogeneous cross section, having longitudinal engaging slide grooves disposed at a circumferential periphery thereof and each of the slide grooves has an outer opening to communicate with the outside. The lifted device is selectively disposed in the slide grooves with a slide part being connected to a spacing board. Once the lifted device is actuated, the slide part can move upward or downward in the slide grooves longitudinally so as to move the spacing board synchronously.

Abstract: The present invention is to provide an elevated screen which can be a simple screen or combined with a desk or a table. The elevated screen includes a screen base which sets a inner space in the center, and there is a elevating device in the inner space, and a rotating shaft of the elevating device is set at an outside surface of the screen base to be operated by users, and a bottom of the spacing board is connected to the elevating device in the inner space to be driven up and down by the elevating device, and a top of the spacing board forms a cover, wherein, the inner space of the screen base has various type to match the shape of the spacing board.

Abstract: A connective device in a partition and screen system comprises at least an upright post, a plurality of retaining pins, a plurality of trunking parts, and at least a partition. The upright post is cylindrical with a homogeneous cross section with longitudinal slide grooves circumferentially disposed through the entire length thereof. Each of the slide grooves has an elongated opening communicating with the outside. The retaining pins are selectively inserted into the slide grooves and each of the retaining pins at a lateral side thereof is an arched side with two opposite lateral edges such that two flat sides extending from the two opposite lateral edges in a way of being orthogonal each other. Both of the two flat sides or one of the two flat sides can extend outward a horizontal coupling piece to join with the trunking parts. The trunking parts are connected to the respective coupling piece so as to be positioned next to the upper end and the lower end of the upright post.

Abstract: A lift screen comprises an upright post, a lift mechanism, and a partition board. The upright post is a hollow body, the lift mechanism is disposed in the upright post; and the partition board provides at least an elongated slide plate at a facial side thereof and a lower side thereof connects with the lift mechanism. The lift screen is possible to be set up into multiple forms with multiple functions so as to offer a high mobility and more flexibility while in use and to be set up into a form with a worktable, so as to satisfy various needs and desired arrangements.