Matches 1 - 50 out of 72 1 2 >
Match Document Document Title
7420659 Flow control system of a cartridge  
An apparatus having a disposable cytometer cartridge containing pumps, pressure chambers, reservoirs, flow sensors, flow channels, and microfluidic circuits with fluid operations on the cartridge....
7408236 Method for non-damaging charge injection and system thereof  
A method and system for injecting charge includes providing a first material on a second material and injecting charge into the first material to trap charge at an interface between the first and...
7378775 Motion based, electrostatic power source and methods thereof  
A power system includes a housing with a chamber, a member with a stored static electrical charge, and a pair of electrodes. The member is connected to the housing and extends at least partially...
7367359 Proportional micromechanical valve  
The present invention provides a proportional microvalve having a first, second and third layer, and having high aspect ratio geometries. The first layer defines a cavity with inlet and outlet...
7328882 Microfluidic modulating valve  
A valve is provided that can selectively change the size of a flow channel in a valve in order to modulate the fluid flow through the valve. In one illustrative embodiment, the valve includes a...
7320338 Microvalve package assembly  
A microvalve assembly that can help protect a microvalve or an assembly of microvalves from the environment. Such a microvalve assembly may be mechanically assembled, without the use of adhesives...
7312870 Optical alignment detection system  
An optical alignment detection system for detecting the alignment of a first object relative to a second object is provided. One or more light sources and one or more light detectors, either or...
7287328 Methods for distributed electrode injection  
Methods for injecting charge include providing a target comprising a first layer on a second layer, coupling a conductive base to the second layer, and providing a medium which is in contact with...
7283223 Cytometer having telecentric optics  
A mechanism for moving and positioning a light source so that its light impinges a target as it moves on or off axis of an optical system. A detector may receive scattered light at a same position...
7280014 Micro-electro-mechanical switch and a method of using and making thereof  
A micro-electro-mechanical switch includes at least one portion of a conductive line in the chamber, a beam with imbedded charge, and control electrodes. The beam has a conductive section which is...
7277166 Cytometer analysis cartridge optical configuration  
A medium having microfluidic circuitry for sampling and analyses. The medium may be a cartridge having a window countersunk into it and containing a flow channel. The flow channel may have items of...
7262838 Optical detection system for flow cytometry  
An optical detection system for flow cytometry that uses two or more light sources positioned laterally at different distances from a central axis of a flow stream for providing light through...
7242474 Cytometer having fluid core stream position control  
A cytometer having two or more chambers or regions in a containment structure of sheathing fluid that may be used to provide hydrodynamic focusing of another fluid having particles to be observed....
7222639 Electrostatically actuated gas valve  
A gas valve body with a first flow chamber and, a second flow chamber including and a main valve positioned in line and between the first flow chamber and the second flow chamber. The main valve...
7219449 Adaptively controlled footwear  
A method for controlling footwear, comprising cushioning a transient force during use of the footwear at a first period of a gait cycle, storing energy from said cushioning, and releasing the...
7217582 Method for non-damaging charge injection and a system thereof  
A method and system for injecting charge includes providing a first material on a second material and injecting charge into the first material to trap charge at an interface between the first and...
7215425 Optical alignment for flow cytometry  
An optical alignment system for aligning a light beam with a core flow in a flow stream. The flow stream may have a sheath fluid and a core flow, where the core flow has a current position within...
7211923 Rotational motion based, electrostatic power source and methods thereof  
A power system includes a member with two or more sections and at least one pair of electrodes. Each of the two or more sections has a stored static charge. Each of the pair of electrodes is spaced...
7195393 Micro fluidic valves, agitators, and pumps and methods thereof  
A valve which has a structure with at least one opening and a member which has a fixed static charge and also has a first position exposing the opening and a second position sealing the opening. A...
7156365 Method of controlling microvalve actuator  
In a method of controlling an actuator of a microvalve, a controller is provided for supplying a voltage to the actuator. The controller provides an initial voltage to the actuator which is...
7130046 Data frame selection for cytometer analysis  
A system for detecting when a core stream in a channel of a flow device is adequate for sufficient data accession. The system may determine the time period from the beginning of a sample run in a...
7061595 Miniaturized flow controller with closed loop regulation  
An apparatus having scattering and multi-color fluorescence detecting, analyzing and identification capabilities of blood or other fluids of interest. The sample to be tested may be entered in a...
7016022 Dual use detectors for flow cytometry  
An optical alignment system for aligning a light beam with a core flow in a flow stream. The flow stream may have a sheath fluid and a core flow, where the core flow has a current position within...
7011378 Proportional micromechanical valve  
The present invention provides a proportional microvalve having a first, second and third layer, and having high aspect ratio geometries. The first layer defines a cavity with inlet and outlet...
6994115 Thermally actuated microvalve device  
A microvalve having a generally planar plate valve body defining a chamber and a plate valve member movable in the chamber about a pivot axis that is perpendicular to the valve body to control the...
6970245 Optical alignment detection system  
An optical alignment detection system for detecting the alignment of a first object relative to a second object is provided. One or more light sources and one or more light detectors, either or...
6968862 Electrostatically actuated valve  
An electrostatically actuated valve that is relatively small, has relatively low fabrication costs, and consumes relatively low voltage and/or power. Normally closed, normally open, three (or more)...
6889567 3D array integrated cells for the sampling and detection of air bound chemical and biological species  
An integrated mesopump-sensor suitable for disposition in two- and three-dimensional arrays having small dimensions is disclosed. One mesopump is formed of an electrostatically attractable flexible...
6846691 Method for making micromechanical structures having at least one lateral, small gap therebetween and micromechanical device produced thereby  
A method and resulting formed device are disclosed wherein the method combines polysilicon surface-micromachining with metal electroplating technology to achieve a capacitively-driven, lateral...
6845962 Thermally actuated microvalve device  
A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a cavity formed therein. The body further has first and second pilot ports placed in...
6837476 Electrostatically actuated valve  
An electrostatically actuated valve that is relatively small, has relatively low fabrication costs, and consumes relatively low voltage and/or power. Normally closed, normally open, three (or more)...
6767190 Methods of operating an electrostatically actuated pump  
Methods and apparatus for electrostatically pumping fluids without passing the fluids through the electric field of the pump are contemplated. Electrostatic forces are preferably used to move the...
6761420 Proportional micromechanical device  
The present invention provides a proportional microvalve having a first, second and third layer, and having high aspect ratio geometries. The first layer defines a cavity with inlet and outlet...
6758107 3D array of integrated cells for the sampling and detection of air bound chemical and biological species  
An integrated mesopump-sensor suitable for disposition in two- and three-dimensional arrays having small dimensions is disclosed. One mesopump is formed of an electrostatically attractable flexible...
6729856 Electrostatically actuated pump with elastic restoring forces  
An apparatus for electrostatically pumping fluids without passing the fluids through the electric field of the pump is contemplated. Electrostatic forces are preferably used to move the diaphragms...
6700130 Optical detection system for flow cytometry  
An optical detection system for flow cytometry that uses two or more light sources positioned laterally at different distances from a central axis of a flow stream for providing light through...
6694998 Micromachined structure usable in pressure regulating microvalve and proportional microvalve  
A microvalve device includes a first plate, a second plate and a third plate. The second plate is connected between the first plate and the third plate. The second plate contains a stationary...
6676106 Flap structure for electrostatic or magnetic applications and method for making same  
A thin laminate film structure comprises a first metallic lamina formed on a surface of a first dielectric lamina and a third lamina formed on a surface of the first metallic lamina opposite the...
6597438 Portable flow cytometry  
A portable or wearable cytometer that can be used at remote locations, such as in the field or at home. The flow cytometer of the present invention may help improve the healthcare of many weak,...
6581640 Laminated manifold for microvalve  
A manifold for distributing a fluid. The manifold can be used to distribute a fluid to and from a microvalve. The manifold includes a first plate having a groove formed in one face thereof. A...
6568286 3D array of integrated cells for the sampling and detection of air bound chemical and biological species  
An integrated mesopump-sensor suitable for disposition in two- and three-dimensional arrays having small dimensions is disclosed. One mesopump is formed of an electrostatically attractable flexible...
6561224 Microfluidic valve and system therefor  
A valve ( 105 ) controls fluid flow in a microfluidic system ( 100 ). The valve ( 105 ) has an input port adapted to receive fluid exerting a predetermined level of pressure on the valve ( 105 )...
6549275 Optical detection system for flow cytometry  
An optical detection system for flow cytometry that uses two or more light sources positioned laterally at different distances from the central axis of the flow stream for providing light through...
6540203 Pilot operated microvalve device  
A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a cavity formed therein. A pilot valve supported by the body is movably disposed in...
6533366 Vehicle hydraulic braking systems incorporating micro-machined technology  
Hydraulic or electro-hydraulic braking systems which include at least one wheel braking device and micro-machined technology, such as microvalves, are described herein. The use of the microvalves...
6523560 Microvalve with pressure equalization  
Disclosed is a microvalve suitable for use in high pressure applications such as refriigeration. The microvalve has a displaceable member that slides across an inlet port, thereby creating an...
6494804 Microvalve for electronically controlled transmission  
A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a cavity formed therein. An electronically controlled automatic transmission,...
6477029 Deformable micro-actuator  
A micro-actuator has a pair of conductive metallic layers connectable to an electrical potential source so as to induce a force between the metallic layers upon application of an electrical field....
6382228 Fluid driving system for flow cytometry  
A fluid driving system for portable flow cytometers or other portable devices that accepts a less precise and less stable pressure source, and then adjusts the pressure in a closed-loop manner to...
6263741 Micromechanically produced flow-restriction device  
A micromechanically produced flow-restriction device has a first passage opening formed in a first main surface of a substrate. A channel is formed in a second main surface of the substrate and one...
Matches 1 - 50 out of 72 1 2 >