| Patent Number |
Title Of Patent |
Date Issued |
| 7583863 |
Method and system for wavelength-dependent imaging and detection using a hybrid filter |
September 1, 2009 |
| An object to be imaged or detected is illuminated by a single broadband light source or multiple light sources emitting light at different wavelengths. The light is detected by a detector, which includes a light-detecting sensor covered by a hybrid filter. |
| 7554212 |
Mechanically powered cordless pointing device |
June 30, 2009 |
| A computer peripheral system includes a computer peripheral and a mechanical input device adapted to initiate a conversion of mechanical energy to electrical energy. The computer peripheral includes an energy conversion device adapted to convert mechanical energy to electrical energy |
| 7391512 |
Integrated optoelectronic system for measuring fluorescence or luminescence emission decay |
June 24, 2008 |
| An optoelectronic system for measuring fluorescence or luminescence emission decay, including (a) a light source being a light emitting diode, a semiconductor laser or a flash tube; (b) a first integrated circuit comprising at least one circuit causing the light source to emit light |
| 7391008 |
Method and system for wavelength-dependent imaging and detection using a hybrid filter |
June 24, 2008 |
| Apparatus and methods for wavelength-dependent detection are provided. A detector includes a hybrid filter having unpatterned and patterned filter layers and at least one light-detecting sensor that detects light in first and second wavelength bands from the patterned filter layer of the |
| 7217913 |
Method and system for wavelength-dependent imaging and detection using a hybrid filter |
May 15, 2007 |
| An object to be imaged or detected is illuminated by a single broadband light source or multiple light sources emitting light at different wavelengths. The light is detected by a detector, which includes a light-detecting sensor covered by a hybrid filter. The hybrid filter includes |
| 7139835 |
Communication network based on topographic network devices |
November 21, 2006 |
| The network comprises topographic network devices and communication links interconnecting the topographic network devices. The topographic network devices each have a physical location represented by a topographic coordinate set, and a network address that includes the topographic co |
| 7123836 |
All-optical network distribution system |
October 17, 2006 |
| The optical fiber-based communication system comprises a distribution optical fiber that extends proximately to a plurality of end users, and tap-off modules coupled to the distribution optical fiber at intervals along its length. Each of the tap-off modules includes a port in optical |
| 6956985 |
Semiconductor-based optical switch architecture |
October 18, 2005 |
| A semiconductor-based optical switch engine switches input light from an input switch element to an output switch element and directly couples through an optical waveguide each output of the input switch element to a respective input of the output switch element. The switch architecture |
| 6912335 |
Optical switch with reduced beam divergence |
June 28, 2005 |
| An optical switch, optical switching method, and a switched optical communication system include at least one micro-mirror in a path along which an optical signal propagates between first and second optical waveguides. Further provided is a refractive material through which the optic |
| 6807334 |
Optical switching system, optical switch, and electro-optical mechanical device |
October 19, 2004 |
| An optical switching system includes a substrate, a microelectromechanical system (MEMS) input mirror, a MEMS output mirror, and an opposing mirror. The substrate is configured to carry an input light source and an output light source spaced from the input light source. The microelec |
| 6807333 |
Optical switch using an annular array of optical ports |
October 19, 2004 |
| An optical switch and method of switching provide 1.times.N optical switching. The optical switch comprises a plurality of optical ports arranged in an annular pattern visible to and aligned with a movable mirror. The mirror is equidistant from each port of the plurality. The optical |
| 6766085 |
Precisely configuring optical fibers and other optical elements using an apertured wafer positio |
July 20, 2004 |
| A system for accurately aligning a plurality of optical elements includes a wafer into which are formed a plurality of holes. The holes are formed into an array and are each designed to accept an optical element. After each optical element is located and inserted into a respective hole, |
| 6738541 |
Optical switch comprising two non-coplanar arrays of optical waveguides |
May 18, 2004 |
| An optical switching assembly comprised of a substrate, a first plurality of waveguides in a first plane in the substrate, a second plurality of waveguides in a second plane parallel to said first plane in the substrate, the optical signals being selectively transferable from one sub |
| 6718085 |
Stable optical switch with reduced power consumption |
April 6, 2004 |
| The optical switch operates in two stages. In the first stage, the bubble is "blown" into the trench. In the second stage, the sidewalls are heated to achieve a dry wall condition by improving the thermal transfer path from the heat source to the reflecting wall. Seperate side heaters ar |
| 6487333 |
Total internal reflection optical switch |
November 26, 2002 |
| The optical switch comprises a substrate, a planar waveguide circuit, an index-matching liquid, a working fluid and a displacing device. The planar waveguide circuit is supported by the substrate. The planar waveguide circuit and the substrate collectively define a trench that includes a |
| 6324316 |
Fabrication of a total internal reflection optical switch with vertical fluid fill-holes |
November 27, 2001 |
| A method of fabricating a switching element or a matrix of switching elements includes providing a waveguide substrate having at least two waveguides that intersect at a trench such that optical coupling between the waveguides is dependent upon the presence or absence of an index-mat |
| 6320994 |
Total internal reflection optical switch |
November 20, 2001 |
| An optical switch that is constructed on a substrate having first and second waveguides that intersect at a gap having a predetermined width. The first and second waveguides are positioned such that light traversing the first waveguide enters the second waveguide when the gap is filled |
| 6195478 |
Planar lightwave circuit-based optical switches using micromirrors in trenches |
February 27, 2001 |
| A planar lightwave circuit (PLC) is formed to include switching elements in which optical coupling among waveguides is determined by positions of displaceable members, such as micromirrors. Each switching element includes at least two light-transmitting waveguides extending along a w |
| 6055344 |
Fabrication of a total internal reflection optical switch with vertical fluid fill-holes |
April 25, 2000 |
| A method of fabricating a switching element or a matrix of switching elements includes providing a waveguide substrate having at least two waveguides that intersect at a trench such that optical coupling between the waveguides is dependent upon the presence or absence of an index-mat |
| 5960131 |
Switching element having an expanding waveguide core |
September 28, 1999 |
| A switching element that selectively couples a first optical path to a second optical path through an index-matching fluid includes a tapering region along each of the optical paths to achieve high coupling efficiency at both ends of substrate waveguides that form portions of the two opt |