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35results about How to "Compact and economical" patented technology

Near to Eye Display System and Appliance

A near-to-eye display system for forming an image as an illuminated region on a retina of at least one eye of a user is disclosed. The system includes a source of modulated light, a proximal optic positionable adjacent an eye of the user to receive the modulated light. The proximal optic has a plurality of groups of optically redirecting regions. The optically redirecting regions are configured to direct a plurality of beams of the modulated light into a pupil of the eye to form a contiguous illuminated portion of the retina of the eye. A first group of the optically redirecting regions is configured to receive modulated light from the source and redirect beams of the modulated light into the pupil of the eye for illumination of a first portion of the retina. A second group of the optically redirecting regions is configured to receive modulated light from the source and redirect beams of the modulated light into the pupil of the eye for illumination of a second portion of the retina.
Owner:CHAUM DAVID +2

Merged logic and memory combining thin film and bulk Si transistors

The present invention describes the use of two semiconductor layers, a thin film (TF) layer and a bulk Si wafer layer, to make high density and high speed merged logic and memory IC chips. The memory cells use three-dimensional (3D) SRAM structures. Two kinds of 3D logic cells are disclosed. 3D form of the differential cascode voltage switch (DCVS) architecture, and a 3D form of the DCVS with pass gate (DCVSPG) logic architecture. A high density "system on chip" architecture is described. The high density is achieved by locating large PMOS transistors in the TF Si layer, and the fast NMOS transistors in a bulk Si wafer layer. A single process sequence to simultaneously make the logic and memory circuits on the IC chip is also described.
Owner:GLOBALFOUNDRIES INC

Scale track configuration for absolute optical encoder including a detector electronics with plurality of track detector portions

An encoder configuration comprises an illumination portion, absolute scale pattern comprising absolute tracks, and a detector having a width dimension YDETABS. An absolute track pattern comprises geometrically congruent sub tracks, and the congruent sub tracks are arranged such that if one is translated by the width dimension YDETABS, then they will nominally coincide. The congruent sub tracks may be separated by a dimension YCENT that is less than YDETABS, and may each have a dimension YTOL, such that [YCENT+2(YTOL)] is greater than YDETABS. Thus, the detector may be narrower than the absolute track pattern, but because the detector edges are each nominally located over congruent sub tracks the detected signal is not sensitive to lateral misalignment of the detector within the pattern. These principles provide great freedom in configuring advantageous individual pattern features in the absolute track, even though the detector is narrower than the absolute track.
Owner:MITUTOYO CORP

High intensity pulsed light source configurations

A high-intensity light source configuration has a long lifetime and can be modulated at a high rate. The configuration includes a movable member mounted to an actuator; a light-emitting phosphor region associated with the movable member; an input light source that illuminates the light-emitting phosphor region at a spot that is fixed relative to an emitted light output region; and a light source controller controlling the movable member actuator and the input light source. The input light source (e.g., laser) provides high-intensity input light to the illuminated spot, causing the light-emitting phosphor region to emit high-intensity output light. The light-emitting phosphor region is moved relative to the illuminated spot so as to reduce optical quenching and photobleaching, to thereby extend the life of the light source configuration. The phosphor region may emit broadband light and / or may include respective sub-regions having phosphors that emit respective peak wavelengths.
Owner:MITUTOYO CORP

Vehicle on tracks

An all-terrain vehicle comprising in combination: a central frame having two parallel sides each one comprising: a toothed wheel (50) mounted on one side of the central frame at the front, two pivoting suspension tandems mounted on a support fixed on the side of the frame, a track surrounding, without prior tension, the wheels and tandems, a return wheel (92) aligned with the tandems and keeping the track around them. The track comprises a pair of elastomer bands (38, 40) disposed at a certain distance from each other; stoppers (33) are also disposed around the bands, and comprise a traction bar (34) transversally binding a band to another; two triangular guides (36) are installed inside a band and spaced outwardly to demarcate a tread (42) to receive successively wheels and tandems. A fixing bolt (74) holds the guide and the traction bar across the band. A second toothed wheel is mounted on the opposite side of the central frame and power driven independently.
Owner:EQUIP TREMZAC

Water Purification Cartridge Using Zirconium Ion-Exchange Sorbents

A cartridge having at least one layer containing sodium zirconium phosphate and at least one layer containing a combination of acid zirconium phosphate and alkaline hydrous zirconium oxide is described. Methods of using the cartridge for water purification are also described.
Owner:FRESENIUS MEDICAL CARE HLDG INC

Highly stable opto-mechanic switches

InactiveUS20040013351A1Fewer alignment stepsAssembling tolerance is largeCoupling light guidesLight beamEngineering
The present invention provides improved optical switches in which only a spatial beam shifting of a small free space offset is required to direct optical pathways between plural fiber ports. This is achieved by spacing two fibers closely and collimating their beams with one imaging lens for compactness. Advantageously, the inventive switches incorporate beam correcting devices to render the beam propagations parallel, allowing light beams to be efficiently coupled into two fibers that sharing a single lens with substantially improved stability.
Owner:AGILTRON

Horizontal articulated robot

A horizontal articulated robot has a plurality of horizontal arms coupled by joint shafts, and a working shaft disposed at the extreme end of an extreme end arm among the horizontal arms has mounting portions of an end effector formed to both the upper and lower ends thereof. With this arrangement, there can be provided a horizontal articulated robot that can cope with various work transport forms and various types of works by one type of a robot by selectively using the upper and lower sides of a working shaft.
Owner:SEIKO EPSON CORP

Compact, economical, multi-axis, multi-tasking, small part machine tool

A compact, economical, and easy-to-use small parts machine tool that can machine small parts from bar stock as well as castings, forgings, slugs, and near net shape raw materials, is comprised a base with a spindle for moving a workpiece, a first carriage connected to the base that moves along a Z axial direction, a second carriage connected to the first carriage that moves along a Y axial direction, a third carriage connected to the second carriage that moves along an X axial direction, and a tool holder system that holds a plurality of machining tools.
Owner:MILLER LEE NORRIS

Linear accelerator and synchronous accelerator

The invention relates to a linear accelerator. The linear accelerator comprises an acceleration cavity shell, a core pipe and at least three tandem four-pole magnets, wherein the acceleration cavity shell is located in an acceleration cavity and is connected with the inner wall of the acceleration cavity; the core pipe is located in the acceleration cavity shell and allows particle beams to pass,and the four-pole magnets are located in a magnet cavity shell, are used for focusing the particle beams and comprise central through holes, and the core pipes penetrate through the central through holes. A synchronous accelerator is characterized in that the linear accelerator is taken as an injector of the synchronous accelerator.
Owner:惠州离子科学研究中心 +1

Combination pressure sensor with capactive and thermal elements

A pressure sensor has a baseplate and a support plate with a membrane. Layers on the membrane and the support plate are connected to a circuit for capacitively measuring pressure to generate a first pressure signal. A thermal conductivity measuring element that generates a second pressure signal has a heating element connected to the baseplate adjacent the support plate at a location opposite from the membrane for protecting the membrane from thermal effects. The method uses the sensor apparatus to generate an output signal representing a measured result when the measured result is above a transition value, on the basis of the first pressure signal and, when the pressure falls below a threshold value, any offset of the first pressure signal is compensated in such a way that determination of the output signal on the basis of the first pressure signal leads to the same result as determination of the output signal on the basis of the second pressure signal.
Owner:UNAXIS BALZERS AG

Microwave emitter and level measuring device

A microwave transmitting device for a level measuring device (1) having an electronic device, a microwave emitter and a waveguide (3). The inside of the waveguide is filled with a casting compound. A microwave transmitting device that is particularly compact and cost-effective is implemented by the microwave emitter and the electronic device being enclosed by a casting formed of a casting / potting compound.
Owner:KROHNE MESSTECHNICK GMBH & CO KG

Conductor line, current collector, and conductor line system with a slotted waveguide for receiving an antenna

The invention relates to a conductor line (6) for supplying at least one electric load which can be moved on the conductor line in the longitudinal direction (L) of the conductor line, comprising at least one conductor strand (15) which runs in the longitudinal direction (L) and which comprises an electrically conductive profiled conductor section (16) for contacting a sliding contact (27) of a current collector (3) of the load and at least one elongated slotted waveguide (18), which runs in the longitudinal direction (L), with a longitudinal slot (19) for receiving an antenna (20) which can be moved together with the load. The invention also relates to a current collector (3) which is designed in a corresponding manner and to a conductor line system. The aim of the invention is to allow a compact and material-saving design as well as a good fault-tolerant transmission. This is achieved by a conductor line (6) in which the longitudinal slot (19) is tilted by an angle (Alfa) which does not equal 90 degrees about the longitudinal direction (L) with respect to a movement plane (E) on which the current collector (3) can be moved in the longitudinal direction (L), by a current collector (3) in which the antenna (20) or a part (21) thereof is completely or partly tilted by an angle (Alfa) which does not equal 90 degrees about the longitudinal direction (L) with respect to a movement plane (E) on which the current collector (3) can be moved in the longitudinal direction (L), and by a conductor line system comprising such a conductor line (6) and such a current collector (3).
Owner:CONDUCTIX WAMPFLER

Cell culture device and method of culturing cells

The present invention relates to a cell culture device (1) comprising a disposable culture vessel comprising at least one external wall made of a material having a Young modulus E of less than 50 GPa, in which there is situated at least one cell culture zone and at least one cell-free medium transfer zone, allowing a flow of a culture medium between the cell culture zone and the transfer zone, and at least one sensor element of a cell-density sensor wherein said sensor element is situated in the cell culture zone of said vessel. The sensor element is an electrode arrangement of at least two and preferably at least four measuring electrodes arranged on the inner side of an external wall of the disposable culture vessel and directed towards the cell culture zone. The present invention further relates to a method of culturing cells.
Owner:PALL ARTELIS

Three-dimensional CMOS circuit on two offset substrates and method for making same

A three-dimensional CMOS circuit having at least a first N-conductivity field-effect transistor and a second P-conductivity field-effect transistor respectively formed on first and second crystalline substrates. The first field-effect transistor is oriented, in the first substrate, with a first secondary crystallographic orientation. The second field-effect transistor is oriented, in the second substrate, with a second secondary crystallographic orientation. The orientations of the first and second transistors form a different angle from the angle formed, in one of the substrates, by the first and second secondary crystallographic directions. The first and second substrates are assembled vertically.
Owner:COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

Conductor line, current collector, and conductor line system

The invention relates to a conductor line (6) for supplying at least one electric load which can be moved on the conductor line in the longitudinal direction (L) of the conductor line, comprising at least one conductor strand (15; 30; 38; 45) which runs in the longitudinal direction (L) and which comprises an electrically conductive profiled conductor section (16; 31; 39; 46) for contacting a sliding contact (22; 23; 33; 43; 56) of the load and at least one signal transmission device (19; 35; 40; 47) which runs in the longitudinal direction (L). The invention also relates to a current collector (3) for the load with at least one sliding contact (22; 23; 33; 43; 56) for contacting the profiled conductor section (16; 31; 39; 46) of the conductor strand (15; 30; 38; 45) of the conductor line (6) and with at least one antenna (21; 37; 44; 49) for transmitting data to a conductor line (6) signal transmission device (19; 35; 40; 47), which moves in the longitudinal direction (L). The invention also relates to a conductor line system. The aim of the invention is to allow a compact and material-saving design as well as a good fault-tolerant transmission. This is achieved by a conductor line (6) in which the signal transmission device (19; 35; 40; 47) and the profiled conductor section (16; 31; 39; 46) are designed as one component, by a current collector (3) in which the sliding contact (22; 23; 33; 43; 56) and the antenna (21; 37; 24; 49) are designed as one component, and by a conductor line system comprising such a conductor line (6) and such a current collector (3).
Owner:CONDUCTIX WAMPFLER

Screw compressor

A packaged unit screw compressor includes a low-pressure stage compressor and a high-pressure stage compressor. The raw power from the electric motor is transmitted to the two compressors through the speed increaser. The exhaust gas compressed and heated by the low-pressure stage compressor is cooled by the intercooler. The exhaust gas, which is compressed and heated by the high-pressure stage compressor to increase its temperature, is cooled by the aftercooler. The casing of the intercooler, the casing of the aftercooler and the casing of the speed increaser are integrated, thereby reducing the number of components. The cooler section formed by the intercooler and the aftercooler is separated from the speed-up case, thereby preventing heat generated by the compressed air from being transferred to the speed-up case.
Owner:HITACHI PLANT TECH LTD

Silencer for exhaust systems

The invention relates to a silencer for exhaust systems of motor vehicles with an internal combustion engine. The silencer includes an exhaust gas flow pipe for guiding exhaust gas with an exhaust gas inlet opening, an exhaust gas outlet opening having a flow connection to the exhaust gas inlet opening, and a longitudinal center axis. It furthermore has at least one actuable adjustment body for influencing the flow of the exhaust gas in the exhaust gas flow gas pipe, the at least one adjustment body being arranged downstream of the exhaust gas inlet opening. Moreover, the silencer includes at least one bypass channel, which has a flow connection to the exhaust gas flow pipe, runs past the at least one adjustment body and has an exhaust gas outlet opening.
Owner:KESSTECH

Semiconductor structure

A semiconductor structure, for improving rectifier efficiency in passive backscatter transponders or backscatter remote sensors for use in high-frequency electromagnetic fields, is provided. The semiconductor structure has a dielectric layer on whose upper side is arranged a first electrically conductive layer, and a second electrically conductive layer that is spaced apart from the first electrically conductive layer and is arranged essentially below the first electrically conductive layer and is at least partially embedded in the dielectric layer. The dielectric layer has its lower side arranged on a semiconductor substrate of a first conductivity type within which is formed a more highly doped first zone of the first conductivity type which surrounds an even more highly doped second zone of the first conductivity type connected to a reference voltage. Whereby, the first zone can be arranged essentially completely under the first and second electrically conductive layers. In this way, interfering effects of parasitic circuit components can be reduced.
Owner:ATMEL CORP
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