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| Number | Title | Issue Date |
| 5771321 | Micromechanical optical switch and flat panel display The invention provides an optical coupling switch and flat panel display including an array of such optical coupling switches. The optical coupling switch includes a light storage plate adapted to set up conditions for total internal reflection such that ... | 06/23/1998 |
| 5764827 | Limited rotation connection device A limited rotation connection device includes a housing defining a central ole extending therethrough and a central shaft extending through the central hole of the housing and being rotatably mounted to the housing, the housing also defining an annular slo... | 06/09/1998 |
| 5717801 | Device for connecting optical fiber ends held by different types of connector plugs A device for connecting a first optical fiber end held by a first connector plug selectively to second or third optical fiber ends held by different types of connector plugs, in which each different type of plug has an associated connector socket, these s... | 02/10/1998 |
| 5715337 | Compact display system A compact display system including a viewing surface; a beam steering mechanism; a source of light remote from the viewing surface and the beam steering mechanism; and at least one waveguide connecting the source of light with the viewing surface for tran... | 02/03/1998 |
| 5699463 | Mechanical fiber optic switch A switch for selectively coupling light from an input optical fiber to a selected one of a plurality of output optical fibers. The switch includes a first carriage having one end of the input optical fiber attached thereto and a second carriage having the... | 12/16/1997 |
| 5694048 | Monitor-detector assembly on silicon wafer board An optical subassembly for monitoring the emission of a semi-conductor laser is disclosed. The subassembly is diced from a wafer having mounted thereon the devices to be tested as well as the testing optical devices. The devices of the wafer are burned-in... | 12/02/1997 |
| 5682447 | Photomechanical positioning and stabilization method and devices using optical fibers and feedback A novel photomechanical positioning method using optic fibers, and apparatuses that employ the method, is described. The method comprises providing an optic fiber that changes length in response to the transmission of a light beam through the fiber. The o... | 10/28/1997 |
| 5666456 | Guide tool and method for accurately mating stacks of multi-fiber optical connectors with guide pins A guide tool and associated method are provided for inserting guide pins in a plurality of stacked multi-fiber connectors and for mating two opposed stacks of multi-fiber connectors. The guide tool comprises a rail with a first and a second mount disposed... | 09/09/1997 |
| 5664034 | Lightwave communication monitoring switch An optical switch device has a plurality of fixed optical fiber terminations supported in a fixed array, and a terminated fiber movable by means of a stepping motor into registry with each of the terminations. Opposite the fixed array is a second array of... | 09/02/1997 |
| 5661826 | Transmission line switching apparatus There is disclosed a transmission line switching apparatus comprising a coupling board having a first surface adapted to be connected a first line and a second surface adapted to be connected a second line, adjusting means having a line length adjusting u... | 08/26/1997 |
| 5661843 | Fiber optic probe The present invention provides a fiber optic test probe comprising a ferrule having a longitudinal axis and a fixable position and being transversely displaceable, and a gimbal coupled to the ferrule and being transversely displaceable, the gimbal compris... | 08/26/1997 |
| 5649036 | Remote fiber test system using mechanical optical switches An remote fiber test system includes at least one mechanical optical switch has opposing input and output optical fiber bundles disposed within offset ferrules with at least one input fiber coupled to a measurement test instrument and each of the output f... | 07/15/1997 |
| 5638472 | Optical fiber and lens assembly having a movable lens and a fixed optical fiber An optical fiber and lens assembly which comprises a housing, an optical fiber, means for rendering the optical fiber immobile within the housing, a lens, and means for moving the lens within the housing. Such an optical fiber and lens assembly enables on... | 06/10/1997 |
| 5633963 | Optical rotary joint for single and multimode fibers The present invention provides a rotary joint for optical fibers comprising a plug assembly and a first ferrule having a fiber-entry end mounted coaxially therein, a receptacle assembly and a second ferrule having a fiber-entry end mounted coaxially there... | 05/27/1997 |
| 5629993 | Compact optical switch An optical switch has a stepping motor with a fiber faceplate on which are mounted end portions of output optical fibers terminating in GRIN lenses. The end portions are arranged along a pitch circle. The faceplate is spaced from the stepping motor and th... | 05/13/1997 |
| 5621830 | Rotatable fiber optic joint An endoscope includes an insertion member rotatably mounted to a handle. A first set of optical fibers carried by the handle meets a second set of optical fibers disposed within the insertion member at a joint constructed to allow relative rotation betwee... | 04/15/1997 |
| 5613021 | Optical fiber switching device having one of a robot mechanism and an optical fiber length adjustment unit There is disclosed an optical fiber switching device having a coupling board comprising a plurality of first optical fibers connected to one surface of the coupling board in the arrangement to one surface of the coupling board, a plurality of second optic... | 03/18/1997 |
| 5588077 | In-line, two-pass, fiber optic rotary joint An especially compact optical rotary joint for use with fiber optic cables is set forth including three embodiments capable of transferring two data streams each carried on a separate optical fiber. The rotary joint is constructed with a stationary portio... | 12/24/1996 |
| 5568578 | Gradient index rod collimation lens devices for enhancing optical fiber line performance where the beam thereof crosses a gap in the line A novel array of optical fiber beams collimator device, includes as novel mponents thereof an array of single beam collimator units. A housing is provided with a corresponding array of co-parallel lens bores between opposite sides of the housing. Each uni... | 10/22/1996 |
| 5553176 | Single in-line fiber-optic rotary joint A single in-line fiber-optic rotary joint includes inner and outer concenc body portions which are rotatable relative to each other around a common longitudinal axis. An optical to electrical converter is mounted in the inner body portion and it is opera... | 09/03/1996 |
| 5546484 | Fiber optic switch using polished-type directional coupler A fiber optic switch module that can be incorporated into switch designs characterized by negligible crosstalk. The switch module is capable of operation over two wavelength bands. A 2×2 switch module has an open or bar state in which polished portions o... | 08/13/1996 |
| 5542012 | Multi-functional photometer with movable linkage for routing optical fibers A multi-functional photometer includes a scanning mechanism having a housing (10) that bears a movable linkage (12). The linkage is coupled to an optical scanning head (18) and incorporates optical fibers for transmitting radiant energy to and from the sc... | 07/30/1996 |
| 5542013 | Optical fiber connector bypass device A method and apparatus for changing the path of an optical signal are disclosed. An optical bypass device having an optical input and output, and a waveguiding region optically connecting the input and output, is used to form a multiplicity of improved co... | 07/30/1996 |
| 5535294 | Connector for multichannel transmission of optical signals through rotating interface A multichannel connector for transmission of optical signals between a number of input and output channels through a rotating interface is described. The connector comprises an input and an output platforms rotating around their common axis and an optical... | 07/09/1996 |
| 5526429 | Headphone apparatus having means for detecting gyration of user's head An audio reproducing apparatus includes a signal source, an audio reproducing unit, an address signal generating unit, a memory and an integrating circuit. The signal source outputs digitized audio signals of a plurality of channels. The audio reproducing... | 06/11/1996 |
| 5519797 | Arrangement of a lighting source with an optical fiber and a steerable light beam A lighting source arrangement comprising a light conducting cable formed of an optical fibre consisting of a plurality of elementary fibres, a device for holding and fastening the optical fibre onto a supporting structure and means for steering the light ... | 05/21/1996 |
| 5513287 | Prism coupling mount A prism coupling mount is provided for readily substituting various prisms and planar slab waveguides therein without damage to these components. For maximum coupling efficiency, the spacing between the coupling prism base and the waveguide can be adjuste... | 04/30/1996 |
| 5513286 | White light dimmer for fiber optic illumination sources The present invention provides a method and apparatus for dimming the white light received by an optical fiber. The apparatus is a cover having a thin edge and a flat surface for application to the optical fiber commencing at the fiber rim.... | 04/30/1996 |
| 5506920 | Optical wavelength tunable filter An optical filter having a transmission wavelength to be tuned dependent on light incident angle is rotatively provided in a collimated light path. The optical filter is rotated by the displacement of a piezoelectric actuator by a structure in which the d... | 04/09/1996 |
| 5504825 | Optical fiber switching device and method There is disclosed an optical fiber switching device having a coupling board comprising a plurality of first optical fibers connected to one surface of the coupling board in the arrangement to one surface of the coupling board, a plurality of second optic... | 04/02/1996 |
| 5497444 | High-density fiber distribution frame A fiber distribution frame includes a fixture having a plurality of modules mounted side-by-side within said fixture with each of the modules being individually mounted in a line of travel. Each of the modules can be locked in any one of a plurality of di... | 03/05/1996 |
| 5483608 | Optical switch for switching plural optical fibers The present invention is to provide an optical switch that enables size reduction of the switch, facilitation of positioning of an optical fiber, simplification of the structure of an actuator, improvements in assembly operability and reliability of the a... | 01/09/1996 |
| 5481631 | Optical switching apparatus with retroreflector An optical switch includes a primary optical fiber terminating in a primary window, and a plurality of secondary optical fibers each terminating in a secondary window facing in the same direction as and spaced laterally from the primary window. A primary ... | 01/02/1996 |
| 5463704 | Fiber optic switch A rotary fiber optic switch switches a first optical fiber among a plurality of second optical fibers. The switch is calibrated with a control mechanism such that movement of the rotated fiber to a prescribed position achieves a maximum power transmission... | 10/31/1995 |
| 5461692 | Multimode optical fiber coupling apparatus and method of transmitting laser radiation using same A laser radiation source apparatus comprises a laser source means for producing laser radiation; a stepped-index optical fiber; first coupling means for coupling the laser source means with one end of the stepped-index optical fiber; and second coupling m... | 10/24/1995 |
| 5455878 | Programmable signal time delay device using electro-optic and passive waveguide circuits on planar substrates An optical time delay device includes a switching component butt-coupled to one or two delay line components. The switching component is a planar substrate with an optical waveguide switching array formed thereon. The delay line component is a second plan... | 10/03/1995 |
| 5454056 | Luminous pull-cord for electrical switch operation A luminous pull-cord for facilitating the operation of an electrical switch, comprising a length of fiber optic cord coupled to and illuminated by a light source as a means for actuating said electrical switch whereby said light conducting fiber is graspe... | 09/26/1995 |
| 5450508 | Apparatus and method for optical fiber alignment using adaptive feedback control loop A servo-feedback method with elements for dynamically aligning a pair of mating ends of optical fibers supported in a pluggable connector. At least one of the mating ends in the pair receives light from the other mating end. The light-receiving end is mec... | 09/12/1995 |
| 5450509 | Fiber optic rotary joint An improved fiber optic rotary joint is provided for connecting optical fibers across a rotary-stationary interface. The rotary joint comprises a rotary hub mounted within a stationary housing which defines a cylindrical outer rim, in combination with a f... | 09/12/1995 |
| 5448662 | Apparatus for coupling an optical fiber to a structure at a desired angle Optical metrology apparatus, specifically a laser probe (1), includes a frame (10) comprised of a material selected to have a predetermined coefficient of thermal expansion. A beamsplitter (36) is coupled to the frame for generating a sample beam optical ... | 09/05/1995 |
