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| Number | Title | Issue Date |
| 6608679 | Spectrophotometric analysis of input light A micro spectrophotometer is monolithically constructed on a silicon substrate. The spectrophotometer includes a concave grating, which is used for dispersing optical waves as well as focusing reflected light onto a photodiode array sited on a silicon bri... | 08/19/2003 |
| 6123316 | Conduit system for a valve array Construction of fluid conduit systems in printed circuit boards or other dielectric laminate substrates is disclosed. The fluid conduits can be angled or curved to provide greater directional control of fluid flow. Conduits are created by lamination of a ... | 09/26/2000 |
| 6089534 | Fast variable flow microelectromechanical valves A variable fluid flow valve is disclosed. The valve can be batch fabricated in two dimensional valve arrays, with all valves in the array being controlled in parallel to achieve high flow rates without increasing response time. Typically, each valve inclu... | 07/18/2000 |
| 6055391 | Vibration detection and control system for printers A system for detecting and damping vibrations in printer components, mechanical devices, buildings, or large structures has a plurality of light beam detectors for generating signals corresponding to a reference light beam position. The light beam detecto... | 04/25/2000 |
| 6004395 | Paper handling flap valve array system A valve array for supporting objects such as paper with controlled fluid flow is disclosed. Optional valve arrays can be used to controllably eject marking agents for marking or coating a paper or other suitable substrate. Each valve in the valve array ha... | 12/21/1999 |
| 5982520 | Personal storage device for application and data transfer A personal storage device for receipt, storage, and transfer of digital information to other electronic devices has a pocket sized crush resistant casing with a volume of less than about ten cubic centimeters. A processor is positioned within the casing c... | 11/09/1999 |
| 5971355 | Microdevice valve structures to fluid control A valve array system including microelectromechanical valves embedded in a dielectric substrate is disclosed. These microelectromechanical valves can be batch fabricated using resin impregnated dielectric laminates having photolithographically formed circ... | 10/26/1999 |
| 5941501 | Passively addressable cantilever valves A bistable valve useful for paper handling applications is disclosed. The valve can be batch fabricated in two dimensional valve arrays, with each valve in the array being controlled by passive matrix addressing. Typically, each valve includes a valve hou... | 08/24/1999 |
| 5897097 | Passively addressable fluid valves having S-shaped blocking films A bistable valve useful for paper handling applications is disclosed. The valve can be batch fabricated in two dimensional valve arrays, with each valve in the array being controlled by passive matrix addressing. Typically, each valve includes a valve hou... | 04/27/1999 |
| 5865938 | Wafer chuck for inducing an electrical bias across wafer heterojunctions A dry etch apparatus for micromachining a substrate having a first and a second layer of dissimilar materials joined together at a heterojunction includes a chuck for holding the substrate. The chuck has a first electrical contact positionable to contact ... | 02/02/1999 |
| 5839722 | Paper handling system having embedded control structures A paper handling system for air mediated transport of sheets or pages of paper is disclosed. Microelectromechanical valves and sensors are embedded in a dielectric substrate for tracking and controlling paper transport. These microelectromechanical system... | 11/24/1998 |
| 5821958 | Acoustic ink printhead with variable size droplet ejection openings An acoustic ink printhead includes a substrate having an inlet side, an outlet side, and a plurality of acoustic lenses acoustically coupled to a substrate. Each acoustic lens has an identical focal length for focusing acoustic energy at an associated pos... | 10/13/1998 |
| 5818425 | Mapping drawings generated on small mobile pen based electronic devices onto large displays A user interface system for providing pen based input to large display screens includes a portable computer supporting both a wireless transmitter and a small pen input screen. A computer is connected to a large display screen having an area substantially... | 10/06/1998 |
| 5815303 | Fault tolerant projective display having redundant light modulators A projective display system includes a light source, a display surface, and a two dimensional light modulator array in an optical path between the light source and the display surface. The two dimensional light modulator array has a plurality of light mod... | 09/29/1998 |
| 5793630 | High precision spatially defined data transfer system A system for transferring digital information to spatially localizable portable electronic devices has a plurality of portable electronic devices, with each portable electronic device supporting wireless communication. A spatial localizing module determin... | 08/11/1998 |
| 5790297 | Optical row displacement for a fault tolerant projective display A projective display system includes a light source, a display surface, and a two dimensional light modulator array in an optical path between the light source and the display surface. The two dimensional light modulator array has a plurality of light mod... | 08/04/1998 |
| 5790699 | Macrodetector based image conversion system An image detection and pixel processing system includes a plurality of detector elements for receiving an image. The detector elements are subdivided into a plurality of macrodetectors, with each macrodetector constituting four or more detector elements, ... | 08/04/1998 |
| 5790255 | Transparent light beam detectors A system of partially transparent light beam detectors that allow passage of the light beam through the detector allows multiple detectors that use the same reference light beam. Transparent detectors can be position sensitive detectors (PSD), photodiode ... | 08/04/1998 |
| 5786819 | One button searching of long lists A method for one button searching long lists is initiated by depressing a first search button to initiate a first mode scrolling search of a plurality of list members ordered in a list. Each list member is sequentially displayed on a small display, with t... | 07/28/1998 |
| 5774254 | Fault tolerant light modulator display system A display system attached to a fixed substrate includes a two-dimensional light modulator array having a plurality of light modulators arranged in a first row and a second row, with the first row at a first row position with respect to the fixed substrate... | 06/30/1998 |
| 5754690 | Position sensitive detector based image conversion system capable of preserving subpixel information An image detection and pixel processing system includes a plurality of position sensitive detector elements arranged to receive an image. Each position sensitive detector element provides information for determining both a total light intensity value with... | 05/19/1998 |
| 5691921 | Thermal sensors arrays useful for motion tracking by thermal gradient detection An object tracking and motion control system includes a thermal marking unit such as a laser for inducing localized thermal indicia on objects. A thermal tracking unit, typically a micro electro mechanical system (MEMS) such as a two dimensional thermal s... | 11/25/1997 |
| 5682331 | Motion tracking using applied thermal gradients An object tracking and motion control system includes a thermal marking unit such as a laser for inducing localized thermal indicia on objects. A thermal tracking unit, typically a two dimensional thermal sensing array, is positioned to measure movement o... | 10/28/1997 |
| 5637189 | Dry etch process control using electrically biased stop junctions A dry etch process for etching a semiconductor substrate having a p-n heterojunction formed by contact between a p-layer and a n-layer requires application of a reverse bias voltage of less than a p-n breakdown voltage across the p-n heterojunction. A pla... | 06/10/1997 |
| 5634636 | Flexible object handling system using feedback controlled air jets A fluid transport system for moving flexible objects includes a conveyor configured to direct fluid flow against opposite sides of flexible objects. A sensor unit senses motion state of flexible objects, and a motion analysis unit is connected to the sens... | 06/03/1997 |
| 5629517 | Sensor element array having overlapping detection zones An image sensor array has overlapping responsive zones for detecting incident radiation. The sensor array includes a plurality of collection electrodes for sensing charge and a charge distribution layer in contact with the collection electrodes. The charg... | 05/13/1997 |
| 5627980 | Elision based presentation of ordered data A method for accessing members of an ordered data set includes a procedure for dividing an ordered data set into multiple ordered subsets, designating at least one member of each ordered subset as a bracket member, referencing those members of each ordere... | 05/06/1997 |
| 5567971 | Variable size light sensor element A sensor array includes includes multiple sensor elements that each have a collection electrode in contact with a photosensitive layer. The photosensitive layer is configured to produce a detectable response at the collection electrode upon incidence of r... | 10/22/1996 |
