2509 results about "Parallel arrangement" patented technology

A light engine comprises a pair of LED active elements mounted on a common header having first and second terminals. The first terminal is connected to the cathode of the first LED active element and the anode of the second LED active element, while the second terminal is connected to the anode of the first LED active element and the cathode of the second LED active element, thereby connecting the LEDs in an anti-parallel arrangement. A light engine having a single insulating or semi-insulating substrate having formed thereon plural LED active elements with associated p- and n-type contacts forming cathode and anode contacts, respectively, for each LED active element is also provided. The LED active elements may be mounted in a flip-chip configuration on a header having a plurality of leads. The header may include a pair of leads adapted such that two LEDs may be flip-mounted thereon with the anode of the first LED and the cathode of the second LED contacting one lead, while the cathode of the first LED and the anode of the second LED contact the other lead. In addition, the header may be adapted to permit a substrate having multiple active elements to be mounted thereon.

A battery load leveling system for an electrically powered system in which a battery is subject to intermittent high current loading, the system including a first battery, a second battery, and a load coupled to the batteries. The system includes a passive storage device, a unidirectional conducting apparatus coupled in series electrical circuit with the passive storage device and poled to conduct current from the passive storage device to the load, the series electrical circuit coupled in parallel with the battery such that the passive storage device provides current to the load when the battery terminal voltage is less than voltage on the passive storage device, and a battery switching circuit that connects the first and second batteries in either a lower voltage parallel arrangement or a higher voltage series arrangement.

The present invention relates to a system and method to facilitate efficient and automated processing of messages. A bulk filter is provided to categorize one or more received messages according to a range of classification, the range spanning from at least a bulk classification of values to at least a non-bulk classification of values. A second filter is provided to further classify the received messages in order to automatically facilitate processing of the messages. The range of classification includes a continuum of values based on a likelihood that the received messages are determined to tend toward or fall within the bulk classification of values or toward/within the non-bulk classification of values. Also, the bulk filter or filters can include an adjustable threshold setting to determine or define differences between the bulk classifications and the non-bulk classifications. Various combinations of filters are possible including multiple filter arrangements, parallel arrangements, cascaded arrangements, and other arrangements to facilitate filtering and sorting of messages in order that users can more efficiently process such information in a timely manner. Applications include the enhancement of classification procedures for identifying urgent or important email from non-urgent or non-important email, with the combination of bulk-email filters with urgency or importance filters in cascaded and parallel filtering methodologies.

A radio receiver is described that processes multiple wireless standards using a single antenna according to embodiments of the invention. The radio receiver includes a single antenna, and a low noise amplifier that is connected to the antenna, without an intervening power divider or power splitter. The output of the low noise amplifier feeds multiple wireless receivers in a parallel arrangement that are operating according to different communications standards, including for example a Bluetooth and a WLAN 802.11. Additional wireless standards and their corresponding receivers could be added as well. The input impedance of the low noise amplifier defines the impedance seen by the antenna, regardless of which operational standard is actually in use. Each signal path includes an additional low noise amplifier having a gain that can be customized for the particular signal path and receiver in use, and which also improves the reverse isolation between signal paths. Further, a switch can be added to one or more of the signal paths so as to further improve isolation when a particular path is not being used.

A power supply system comprises a parallel arrangement of a linear amplifier (LA) and a DC-DC converter (CO). The linear amplifier (LA) has an amplifier output to supply a first current (II) to the load (LO). The DC-DC converter (CO) comprises: a converter output for supplying a second current (12) to the load (LO), a first inductor (L1), and a switch (SC) coupled to the first inductor (L1) for generating a current in the first inductor (L1), and a low-pass filter (FI) arranged between the first inductor (L1) and the load (LO). The low pass filter (FI) comprises a first capacitor (C1; CA) which has a first terminal coupled to the switch (SC) an a second terminal coupled to a reference voltage level (GND), and a second inductor (L2; LC) which has a first terminal coupled to the first inductor (L1) and a second terminal coupled to the load (LO). The low-pass filter further comprises, either: (i) a series arrangement of a second capacitor (C2) and a damping resistor (R2), which series arrangement is arranged in parallel with the first capacitor (C1), or (ii) a parallel arrangement of a third capacitor (CB) and a damping resistor (RB) arranged in series with the first capacitor (CA), or (iii) a series arrangement of a third inductor (L3) and a damping resistor (R3), which series arrangement is arranged in parallel with the second inductor (L2), or (iv) a parallel arrangement of a fourth inductor (LD) and a damping resistor (RD), which parallel arrangement is arranged in series with the second inductor (LC).

Disclosed is an improved electric connector having depressible probe pins each comprising movable and stationary contact pieces. The movable contact piece comprises a front projection and a rear convergence integrally connected to the front projection. The probe pin is press-fitted in a selected pin slot in the insulating casing of the electric connector, allowing the front projection to partly appear from the selected pin slot. The stationary contact piece has two opposite arms extending from its base. The opposite arms of the stationary contact piece pinch the convergence of the movable contact piece, and withdrawal of the front projection of the movable contact piece causes the opposite arms to yieldingly open wide enough to allow the convergence of the movable contact piece to invade therebetween. The parallel-arrangement of current-carrying passages provided by the bifurcate stationary contact piece has the effect of increasing the current conducting capacity of the electric connector.

An insulated structural truss panel, comprising: a rectangular panel body formed of a rigid foam material and having a defined width between first and second sides, first and second ends separated by a defined length, and first and second substantially parallel faces; and a parallel arrangement of at least first and second trusses, each truss having upper and lower chords, a truss web disposed between each upper and lower chord and a length substantially equal to the defined length of the panel body, in which the trusses are embedded longitudinally within the panel body at predetermined on-center spacings between and parallel to the first and second sides.

As a defective contact recovery elements, a stacked semiconductor device include a parallel arrangement system in which signal paths are multiplexed, and a defective contact recovery circuit operable to switch a signal path into an auxiliary signal path. The parallel arrangement system is used in a case where the number of signals is small and a very high speed operation is required because of a serial data transfer. The defective contact recovery circuit is used in a case where the number of signals is large because of a parallel data transfer.

A thermoelectric generator has a top plate disposed in spaced relation above a bottom plate. A series of foil segments are electrically and mechanically connected end-to-end to generate a foil assembly that is spirally wound and in thermal contact with the bottom and top plates. Each foil segment comprises a substrate having a series of spaced alternating n-type and p-type thermoelectric legs disposed in parallel arrangement on the front substrate surface. Each of the n-type and p-type legs is formed of a bismuth telluride-based thermoelectric material having a thickness of about 10-100 microns, a width of about 10-100 microns and a length of about 100-500 microns. The alternating n-type and p-type thermoelectric legs are electrically connected in series and thermally connected in parallel such that a temperature differential between the bottom and top plates results in the generation of power.

An apparatus for monitoring the intra-abdominal pressure of a hospitalized patient includes a urinary catheter connected to a urine valve providing selectable communication between a discharge end of the urinary catheter and either a drain or a fluid source. Preferably, the urine valve is adapted for remote actuation and has a housing adapted to resist patient discomfort from leg-valve contact. Plumbing structure desirably maintains fluid supply and drain conduits in a substantially parallel arrangement to assist routing those conduits between a patient's legs. When the urine valve is oriented to permit communication with the fluid source, an infusion pump may be used to infuse a known quantity of fluid through the urine valve and into the patient's bladder. A pressure transducer desirably is connected in-circuit to indicate the fluid's pressure. To facilitate the infusion process, an automatic flow control device may be included in a fluid supply path and arranged to permit repetitive operation of a syringe to inject a bolus of fluid into the patient's bladder. Subsequent to a period of time in which to make a pressure measurement, preferred embodiments of the urine valve automatically return to a bladder draining position.

A high voltage switching circuit includes first and second group III-V transistors, the second group III-V transistor having a greater breakdown voltage than the first group III-V transistor. The circuit further includes a silicon diode in a parallel arrangement with the first group III-V transistor, the parallel arrangement being in cascade with the second group III-V transistor. The circuit is effectively a three-terminal device, where a first terminal is coupled to a gate of the second III-V transistor, a source of the first III-V transistor, and an anode of the silicon diode. A second terminal is coupled to a gate of the first group III-V transistor, and a third terminal is coupled to a drain of the second group III-V transistor. The first group III-V transistor might be an enhancement mode transistor. The second group III-V transistor might be a depletion mode transistor. The first and second group III-V transistors can be GaN HEMTs.

An improved apparatus for monitoring the intra-abdominal pressure of a hospitalized patient includes a urinary catheter connected to a urine valve having selectable communication positions between a discharge end of the urinary catheter and either a drain or a fluid source. Preferably, the urine valve has a housing adapted to resist patient discomfort from leg-valve contact. One operable protective housing may be embodied as a separate tray component. Plumbing structure desirably maintains fluid supply and drain conduits in a substantially parallel arrangement to assist routing those conduits between a patient's legs. When the urine valve is oriented for communication to the fluid source, an infusion pump may be used to introduce a known quantity of fluid through the urine valve and into the patient's bladder where the fluid's pressure can be measured. Desirably, a double check valve is included in a fluid supply path and arranged to permit repetitive operation of a syringe to inject a bolus of fluid into the patient's bladder. Subsequent to making a pressure measurement, the urine valve is returned to the bladder draining position.

A thermoelectric device and method of manufacturing the device, where thermoelectric elements of opposite conductivity type are located on respective opposing sides of a heat source member. Heat sinks are disposed on opposite sides of the thermoelectric elements. Peltier metal contacts are positioned between the thermoelectric elements and each of the heat source member and heat sinks. A plurality of devices may be arranged together in a thermally parallel, electrically series arrangement, or in a thermally parallel, electrically parallel arrangement. The arrangement of the elements allow the direction of current flow through the pairs of elements to be substantially the same as the direction of current flow through the metal contacts.

An apparatus for monitoring the intra-abdominal pressure of a patient includes a urinary catheter (102) connected to a urine valve (250) providing selectable communication between a discharge end of the urinary catheter (102) and either a drain (224) or a fluid source (104). Preferably, the urine valve (250) is adapted for remote actuation and has a housing adapted to resist patient discomfort from leg-valve (250) contact. Plumbing structure desirably maintains fluid supply (225) and drain (223) conduits in a substantially parallel arrangement to assist routing those conduits (225, 223) between a patient's legs. When the urine valve (250) is oriented to permit communication with the fluid source (104), an infusion pump (116′) may be used to infuse a known quantity of fluid through the urine valve (250) and into the patient's bladder (216). A pressure transducer (218) desirably is connected in-circuit to indicate the fluid's pressure and avoid pressure fluctuations induced by system components. To facilitate the infusion process, an automatic flow control device may be included in a fluid supply path (225) and arranged to permit repetitive operation of a syringe (116′) to inject a bolus of fluid into the patient's bladder (216). Subsequent to making a pressure measurement, the urine valve (250) is returned to the bladder (216) draining position.

Disclosed is a metal sheet surface scale grinding and removing machine which is formed by connection of a feed device, a grinding device and a discharge device. The feed device is provided with a feed frame, and feed rolls which are driven by a feed motor and arranged in parallel are arranged on the feed frame. The grinding device is provided with a grinding base, supporting wallboards fixed on the grinding base and a supporting frame mounted above the grinding base through a lifting device. Grinding rolls are fixedly mounted between the two supporting wallboards, upper pressure rolls are elastically mounted between the two supporting wallboards, and supporting rolls which are driven by a conveying motor and arranged in parallel are mounted on the supporting frame. The grinding rolls are driven through grinding motors fixed on the grinding base. A discharge frame is arranged on the discharge device, and discharge rolls driven through a discharge motor and arranged in parallel are arranged on the discharge frame. The grinding rolls in stepped arrangement are adopted to grind the surfaces of sheets gradually, scale removal efficiency is high, and the surfaces of the sheets with the scales removed are high in flatness and uniform in smooth finish.

The invention discloses a human-simulated mechanical arm in seven degrees of freedom and belongs to the robot field, aiming at solving the problems that the existing mechanical arm is heavy in weight, low in loading capacity, poor in flexibility, low in integration level, and the working capacity of a robot system end effector is limited to be improved. According to the human-simulated mechanical arm, a first shoulder joint is fixedly connected with a base and a first arm lever of the mechanical arm; the first arm lever is fixedly connected with a second arm lever through a second shoulder joint; the second arm lever is fixedly connected with a third arm lever through a first elbow joint; the third arm lever is fixedly connected with a fourth arm lever through a second elbow joint; the fourth arm lever is fixedly connected with a fifth arm lever through a first wrist joint; the fifth arm lever is fixedly connected with a sixth arm lever through a second wrist joint; the sixth arm lever is fixedly connected with a seventh arm lever through a third wrist joint; the seventh arm lever is fixedly connected with an end effector of the mechanical arm; a rotational axis of the second shoulder joint and a rotational axis of the second elbow joint are in space parallel arrangement; and a rotational axis of the second wrist joint is in orthogonal arrangement with a rotational axis of the third wrist joint. The human-simulated mechanical arm is used for realizing the connection between a robot system main body and the end effector.

Provided are a wire grid polarizer having a double layer structure, with two metallic wire layers, and a method of fabricating the same. The wire grid polarizer having a double layer structure includes: a light transmitting substrate; a plurality of first conductive metallic wires arranged on the light transmitting substrate parallel to one another at a predetermined period; a light transmitting interlayer arranged on the first conductive metallic wires; and a plurality of second conductive metallic wires arranged on the light transmitting substrate parallel to one another at a predetermined period, wherein the first conductive metallic wires and the second conductive metallic wires are arranged alternately.