52results about How to "Halve the number" patented technology

A bypass turbofan engine comprises a first propulsion system and a second propulsion system. The first propulsion system comprises a first fan rotor, a core engine, a first low pressure turbine and a first fan shaft drivingly connecting the first turbine and the first fan rotor. The second propulsion system comprises a second fan shaft drivingly connecting to a second fan rotor and the first propulsion system and arranged so that the first and second shafts are not coaxial with one another.

A level detector comprises an array of light emitting devices mounted in a line parallel to an array of light receiving devices, the arrays being mounted within a housing capable of internally reflecting light from the emitting devices to respective receiving devices unless the respective parts of the level sensor are immersed in liquid. The outer internally-reflecting surface of the housing is preferable a continuous straight-line surface along the direction parallel to the arrays.

A TDC circuit having a small scale circuit and high resolution is disclosed, which is a time-to-digital converter that detects a phase with respect to a reference clock of a signal to be measured, comprising a first delay line in which a plurality of first delay elements with a first delay amount is connected in series, a second delay line group that is connected to a plurality of connection nodes of the first delay line or an input node in the first stage and in which at least one or more second delay elements with a second delay amount different from the first delay amount are connected in series, a plurality of judgment circuits that judge whether the changing edge of the signal to be measured is advanced or delayed with respect to the changing edges of a delayed clock output from the first delay element and the second delay element, and an operation circuit that calculates a phase with respect to the reference clock of the changing edge of the signal to be measured from the judgment results, wherein a difference between the first delay amount and the second delay amount is smaller than the first delay amount and the second delay amount.

A method of providing a point to point connection between two electrical circuit boards (23, 23') in which a plurality of pairs of optical transceivers are provided, one transceiver of each pair being formed on a first silicon-on-insulator chip (2) in electrical contact with a first electrical circuit board (23), and the other transceiver of each pair being formed on a second silicon-on-insulator chip (2') in electrical contact with a second electrical circuit board (23'). Each optical transceiver comprises a branched rib waveguide comprising a common stem (10, 26) and first and second branches (14, 12) extending from the common stem (10, 26); a fiber connector (20) for receiving an optical fiber (22) in communication with the stem (10, 26) of the branched rib waveguide; a light source (4) in communication with the first branch (14) of the branched rib waveguide; and a light receiver (6) in communication with the second branch (12) of the branched rib waveguide. Each pair of transceivers is linked by an optical fiber (22) connected to the stem (10, 26) of the branched rib waveguide of the first transceiver and to the stem (10', 26) of the branched rib waveguide of the second transceiver.

The invention relates to an array substrate, a driving method and a display device thereof. The array substrate comprises a plurality of scanning lines, a plurality of data lines, a source electrode driving circuit and a gate driving circuit, wherein a plurality of pixel units are defined by the crossing of the scanning lines and data lines; each of the pixel units comprises a plurality of serially connected thin film transistors and a pixel electrode; the grid electrodes of the serially connected thin film transistors are respectively in electric connection with different scanning lines; all the pixel electrodes are electrically connected with the data lines through the serially connected thin film transistors; a time interval for writing two adjacent data voltage signals into the pixel units includes a first time period and a second time period; in the first time period, the data voltage signal inputted by the source electrode driving circuit is written into the pixel electrodes; in the second time period, each thin film transistor is at least opened for one time and the plurality of serially connected thin film transistors cannot be simultaneously under opening state. The array substrate according to the embodiment of the invention can reduce the power consumption and can reduce the TFT characteristic drifting.

The invention provides a thin-film transistor array substrate. The thin-film transistor array substrate comprises a plurality of scanning lines, a plurality of data lines, a plurality of TFTs and a plurality of pixel electrodes, which are arranged on a substrate, wherein each pixel electrode is connected with the corresponding scanning line and data line through the corresponding TFT; the thin-film transistor array substrate has a double-scanning line pixel array structure; the plurality of data lines divide each scanning line in the plurality of scanning lines into a plurality of first scanning segments and a plurality of second scanning segments; the plurality of first scanning segments are connected with the TFTs; the plurality of second scanning segments are not connected with the TFTs; the first scanning segments and the second scanning segments are located between two adjacent data lines; the first scanning segments and the second scanning segments on each scanning line are alternately distributed along the length direction of the scanning lines; and the line widths of the second scanning segments are smaller than those of the first scanning segments. According to the thin-film transistor array substrate, the area of a pixel electrode can be relatively improved by reducing the line widths of the second scanning segments; and the aperture ratio of the pixel is improved. The invention further provides a display panel and a display device with the thin-film transistor array substrate.

A method for controlling the print heads of an ink-jet printer includes the steps of: setting a printing direction and a print head type; loading printing data; removing odd and even data bits from the loaded printing data; determining the set printing direction; transmitting odd data and then even data and latching the transmitted odd data and then latching the transmitted even data, when the determined printing direction is a first direction; transmitting the odd data and then the even data and latching the transmitted odd data and then latching the transmitted even data, when the determined printing direction is a second direction; storing the first-latched data when the head type is monochrome; storing the second-latched data when the head type is color; and generating print data according to the stored data. A circuit for achieving the method is also provided.

A pipe coupling (1) includes a pipe-shaped sleeve (2) being provided with a protruding flange (4) at least in one end, said flange having a tapering end face (6). The pipe coupling further including an annular gripping ring (13) divided into ring segments (17), an annular resilient sealing ring (12) provided between the flange (4) and the gripping ring (13), a pressure ring (8) and tightening means of the bolt/nut type (26, 27). The pressure ring (8) is divided into a number of separate, mutually interspaced ring segments (10) each provided with an abutment face (9) adapted to displaceably abut the end face (6) of the flange (4). The bolts (26) extend through elongated, radially extending openings (30) in the flange (4) and through clearance holes (32) in the pressure ring segments (10).

The invention concerns painting installations comprising painting machines or robots (6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b), each with a sprayer (12) and a paint reservoir (13), associated with the sprayer and designed to supply it, the machines or robots being arranged along a painting line for motor vehicle bodies (2). Each machine or robot is provided with a fluidic connector, designed to co-operate discontinuously with a dispensing system (14a, 14b, 15a, 15b) comprising a color shade-changing unit. Each dispensing system (14a, 14b, 15a, 15b) is arranged between two consecutive machines (6a, 7a; 6b, 7b; 8a, 9a; 8b, 9b), and is common to those two machines, which are successively connected thereto to fill their respective reservoirs each time there is a color shade change.

The invention relates to the field of distribution transformers and provides an alternating parallel nine-speed transformer on-load voltage regulation circuit capable of polarity conversion, and the circuit comprises a main winding, a polarity conversion switch, a voltage regulating winding, a transition switching unit, a rated voltage branch and five voltage regulating branches. The circuit provided by the invention sets a polarity conversion switch between the main winding and the voltage regulating winding, and realizes positive and negative pressure regulation by adjusting the independentcontact connecting end of the polarity conversion switch. One ends of the respective voltage regulating branches are respectively connected to two end taps and each of the intermediate taps of the voltage regulating winding; the other ends are adjacently staggered and connected in parallel in two groups and respectively connected with two input ends of the transition switching unit; the input endof the rated voltage branch is connected to the taps of the output end of the main winding, and the output of the rated voltage branch is connected to the output end of the voltage regulating circuit.The circuit has the beneficial effects of reducing the on-off frequency of the on-off switch, increasing the service life of the corresponding pressure regulating switch, and during the voltage-regulating process, varying the transition voltage with the pressure regulating gear position with no shifting pressure regulation required.

The invention discloses a multi-band-pass zero reflection filter which comprises a multi-mode resonator and lossy absorption networks. The multi-mode resonator is coupled to input and output feeders at ports of the filter to form a band-pass branch. A band stop branch of the filter is formed by the lossy absorption networks and an even mode equivalent circuit of the multi-mode resonator. Transmission poles of the band-pass branch are from even mode resonance points and odd mode resonance points of the multi-mode resonator. A half of transmission zero points of the band stop branch is from theeven mode resonance points of the multi-mode resonator. Resonance points of the lossy absorption networks are corresponding to the odd mode resonance points of the multi-mode resonator and are used asanother half of transmission zero points of the band stop branch. The transmission poles of the band-pass branch are corresponding to the transmission zero points of the band stop branch. According to the invention, the frequency absorption range of a reflected signal is improved by multiplexing the even mode resonance points of the multi-mode resonator, and the same time, the circuit size is reduced.

A lighting apparatus for a vehicle may include a first optical system including a first light source module realizing a predetermined level of resolution using a plurality of individual light-emitting diode chips disposed in a lattice pattern and a first image-forming lens module forming an image; a second optical system including a second light source module having a same configuration as the first light source module and a second image-forming lens module forming an image; a first image projected by the first optical system and a second image projected by the second optical system have different angles of departure; and the first image and the second image are projected onto a road as a third image having an overlapping shape of the first image and the second image.

Described herein is a shock mitigation apparatus. The shock mitigation apparatus may be utilised in a marine environment, able to absorb shocks transmitted to a seat system from a structure to which the seat is affixed. The shock mitigation apparatus includes at least one leaf spring wherein the leaf spring is cantilevered at one end and pivoted at a distal end thereof, and wherein the pivoted end is free to articulate upon flexure of the leaf spring.