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| Number | Title | Issue Date |
| 8180187 | Systems and methods for gimbal mounted optical communication device Optical communication systems and methods are operable to communicate optical signals across a gimbal system. An exemplary embodiment has a first optical rotary joint with a rotor and a stator, a second optical rotary joint with a rotor and a stator, and an optical ... | 05/15/2012 |
| 8160408 | Multi-channel optical rotary coupling of low reflectance An optical rotary joint comprises a first collimator arrangement for coupling-on first light-waveguides, and a second collimator arrangement for coupling-on second light waveguides, with the second collimator arrangement being supported to be rotatable relative to t... | 04/17/2012 |
| 8126298 | Transmission device A transmission device is provided. The transmission device is operable to transmit data between a rotor and a stator. The transmission device includes at least two pairs of transmission units with one transmission unit embodied as a transmitter and one as a receiver... | 02/28/2012 |
| 8121448 | Rotary transformer A rotary transformer having first light-conducting curved tube segments, the first tube segments being disposed to form a first tubular arrangement, is disclosed. The rotary transformer has at least one first transmitter for producing first light signals and at leas... | 02/21/2012 |
| 8055107 | Optical rotary adapter and optical tomographic imaging system using the same The optical rotary adapter is used with an optical tomographic imaging system for acquiring an optical tomographic image of an object under measurement. The adapter includes a fixed sleeve, a stationary optical fiber supported by the fixed sleeve and having an incli... | 11/08/2011 |
| 7885495 | Non-contact connector With the light-emitting side focal point F1 of a three-dimensional elliptical reflecting body A being on the side of a rotating body, the light-receiving side focal point F2 being on the side of a fixed body, the condensing action from the F1 to... | 02/08/2011 |
| 7881569 | Two-channel plastic optical fiber (POF) rotary joint The present invention connects two independent plastic optical fiber channels simultaneously, in which optic signals can be transmitted along two optic passes through a single mechanical rotational interface. The first channel of light path consists of a pair of pla... | 02/01/2011 |
| 7813602 | Non-contact connector A non-contact connector (10), having a rotation-side light-emitting element (13) and a rotation-side light-receiving element (14), positioned on a rotating body (1) which rotates about a rotation axis (4), a fixed-side light-emitti... | 10/12/2010 |
| 7792400 | Off-axis fiber optic slip ring A multi-channel off-axis optic slip ring system is disclosed. The invention eliminates the huge number of fiber bundles and photodiodes in most published patents. A couple of conventional optical components such as mirrors and prisms are used to transmit optical sig... | 09/07/2010 |
| 7729571 | Multi-channel optical rotary coupling of low reflectance An optical rotary joint comprises a first collimator arrangement for coupling-on first light-waveguides, and a second collimator arrangement for coupling-on second light waveguides, with the second collimator arrangement being supported to be rotatable relative to t... | 06/01/2010 |
| 7668418 | Machine with data transfer from one machine part to another machine part which is able to be rotated relative to the one machine part A machine having two machine parts, of which one is able to be rotated relative to the other, in which light signals are transferred from the one part to the other part. The light signals are transmitted radially to the axis of rotation of the rotatable machine part... | 02/23/2010 |
| 7650054 | Very high quality channel for multipathway optical rotary joints The present invention relates to the field of rotary joints, or similar devices, more specifically to optical rotary joints. Embodiments of the invention are directed to a multipathway optical rotary joint, comprising a stationary plane, a moving plane rotatable abo... | 01/19/2010 |
| 7539372 | Contactless connector contactless connector that secures communication continuity is provided. The contactless connector comprises a rotation-side light element disposed on a rotating body that rotates about a rotational axis and a fixed-side light element disposed on a fixed body in a p... | 05/26/2009 |
| 7532788 | Contactless connector A contactless connector which secures continuity of communication is provided. A contactless connector comprises a rotating-side light element on a rotating body which rotates about a rotation axis, and a fixed-side light element on a fixed body which is fixed in pl... | 05/12/2009 |
| 7526155 | Rotary joint A rotary joint 1 capable of stably transmitting superfine images and high-speed data is provided. The rotary joint 1 includes a stationary part 3 and a rotary part 2 rotatable about an axis against the stationary part 3 and transmi... | 04/28/2009 |
| 7474819 | Contactless connector The contactless connector comprises a rotation-side light element on a rotating body that rotates about an axis of rotation and a fixed side light element on a fixed body that is fixed, and the rotating body further comprises a reflective body that rotates about the... | 01/06/2009 |
| 7440665 | Optical fiber An optical fiber not only can suppress SBS but also can be produced easily. The optical fiber 1 comprises an optical core region 10 including the center axis and an optical cladding region 14 surrounding the optical core region 10. The op... | 10/21/2008 |
| 7433556 | Optical rotary joint A device for transmitting optical signals comprises two collimator units, supported to be rotatable relative to each other about a rotation axis and one derotating optical element. A first beam splitter receives input signals and splits them into at least two signal... | 10/07/2008 |
| 7415173 | Position sensor A hinge position sensor comprises first and second members connected together to provide a hinge, and an optical fiber or wave-guide connected between the first and second members to provide a communication link between the first and second members. A laser or LED i... | 08/19/2008 |
| 7376298 | Optical rotating data transmission device with an unobstructed diameter A device for transmitting modulated optical signals between a first unit and a second unit, in which the first unit is supported to be rotatable relative to the second unit, comprises a light guide along a circular track on the first unit, a first light coupler for ... | 05/20/2008 |
| 7373041 | Optical rotary coupling An optical rotary joint comprises means for coupling-in or coupling-out light, and an optical derotating system. The derotating system may be a Dove prism or an Abbe-Koenig prism. In order to improve reflection at a reflecting face or faces of the derotating element... | 05/13/2008 |
| 7356222 | Wavelength selective optical device and method of tuning a wavelength characteristic of the same The invention provides a wavelength selective optical device in which a light emitted from an end surface of a first optical fiber that propagates optical signals with a plurality of multiplexed wavelengths is incident on a first end surface of a first graded index ... | 04/08/2008 |
| 7352929 | Rotary joint for data and power transfer A rotary joint is disclosed. The rotary joint comprise a power transfer interface for transferring power between a first portion having a first magnetic core and a second portion having a second magnetic core and rotatable relative to the first portion. The rotary j... | 04/01/2008 |
| 7338193 | Light transfer device for an electronic device An electronic device includes a housing having pivotal portions and having a hinge defining a hinge axis between the pivotal portions about which the pivotal portions are pivotal. A light source is associated with one of the pivotal portions and a light receiver is ... | 03/04/2008 |
| 7321428 | Process photometer A process photometer which includes an insulated and a non-insulated compartment. The insulated compartment is maintained at a relatively constant, elevated temperature. The radiation source, a rotatable filter wheel, a radiation detector, and a means for converting... | 01/22/2008 |
| 7315681 | Fiber optic rotary coupling and devices In this invention, a fiber optic rotary joint and applications of such to retractable fiber optic cables is described. The fiber optic rotary joint consists of a spiral arrangement of a spring and optical fiber pair placed between rotating inner and outer diameters.... | 01/01/2008 |
| 7286768 | Device for optical signal transmission An optical transfer device for transferring optical signals from a moveable part to a stationary part through an optical transfer medium in order to minimize distortions of the optical signal and increase the effective bandwidth of the signal transit path by minimiz... | 10/23/2007 |
| 7248761 | Optical rotating data transmission device with coupling slide A device for transmitting modulated optical signals between a first unit and a second unit, in which the first unit is supported to be rotatable or movable linearly relative to the second unit, comprises a light guide extending along a given track on the first unit,... | 07/24/2007 |
| 7239776 | Fiber optic rotary joint and associated alignment method A fiber optic rotary joint is provided that is unaffected by variations in the optical properties of a fluid that fills its internal cavity. The rotary joint includes a housing defining the internal cavity, first and second optical collimation arrays on opposite sid... | 07/03/2007 |
| 7236200 | Slip ring laser illuminator for speed domes An illumination system is provided to enable speed dome camera systems with a minimum of weight increase and existing motor designs to be used in conditions where the ambient illumination is insufficient for surveillance needs. A laser illumination system is divided... | 06/26/2007 |
| 7228028 | Optical fiber link A system comprises at least one optical fiber that revolves around an axis when an array assembly that includes a radar array revolves around the axis. The optical fiber receives a light pattern that specifies information from the array assembly. A stationary device... | 06/05/2007 |
| 7221823 | Fiber coupler, system and associated methods for reducing back reflections An apparatus which couples light to a fiber from a light source at an input plane while reducing back reflections includes returning light reflected back through such that the returning light does not substantially overlap with an output of the light source in the i... | 05/22/2007 |
| 7210860 | Electronic devices including fiber optic cable and methods for forming the same A handheld, personal electronic device includes a handheld device housing. An electronic component is disposed in the handheld device housing. A fiber optic cable is routed through the handheld device housing and is operably connected to the electronic component to ... | 05/01/2007 |
| 7199764 | Maintenance platform for a rolling radar array A maintenance platform for use in a rolling radar array system has a base capable of accommodating at least one person. The base is movably coupled to a support frame, along which the base can move along the longitudinal axis of the support frame rails. The height o... | 04/03/2007 |
| 7194154 | Optical connector A rotatable connector comprises a plurality of optically conductive light rings adapted to mount to a first rotatable component; a plurality of light emitters for illuminating said light rings; a plurality of light detectors adapted to mount on a second rotatable co... | 03/20/2007 |
| 7187823 | Contact-free slip ring for survey instrumentation A contact free rotary transformer assembly can be used to transfer power and information between a stationary portion and a rotatable portion of a laser scanning device. The rotary transformer can consist of a pair of substantially parallel ferrite rings, each havin... | 03/06/2007 |
| 7184625 | Optical waveguide grating coupler incorporating reflective optical elements and anti-reflection elements An optical wavelength grating coupler incorporating one or more distributed Bragg reflectors (DBR) or other reflective elements to enhance the coupling efficiency thereof. The grating coupler has a grating comprising a plurality of scattering elements adapted to sca... | 02/27/2007 |
| 7184617 | Portable device A portable device has a configuration such that a plurality of housings are connected functionally, wherein the thickness of a connection section between the housings is reduced so that the portability is improved. The portable device includes a first housing; a fir... | 02/27/2007 |
| 7183989 | Transportable rolling radar platform and system A transportable platform for a rolling radar array system has a base whereupon a track for an array wheel is provided. A segment of the track can be folded for transportation and deployed when the rolling radar array system is to be in an operational mode. The trans... | 02/27/2007 |
| 7177498 | Two-by-two optical routing element using two-position MEMS mirrors Retroreflecting elements adapted for use in two-by-two optical routing elements. Each retroreflecting element is configured to selectively retroreflect two optical rays. A first reflective surface, such as may be provided by a mirror, is inclined with respect to a r... | 02/13/2007 |
