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| Number | Title | Issue Date |
| 8041221 | Method and apparatus for coupling optical signal with packaged circuits via optical cables and lightguide couplers Method and apparatus for coupling electrical and communication circuits, included in a packaged semiconductor comprising photo receivers, photo transmitters and photovoltaic cells, through lightguide and optical fiber cables. The packaged semiconductor combinations ... | 10/18/2011 |
| 7423549 | Digital control circuit for serial UART transmissions A digital control circuit enables/disables the feedback of serial transmissions of an UART receive signal when the G-LINK output port is short circuited in a particular operational mode. In a conventional operational mode, the digital control circuit monitors the st... | 09/09/2008 |
| 7352972 | Method and apparatus for the zonal transmission of data using building lighting fixtures This invention relates to the zonal transmission of data by radio means and optionally by optical means through the modulation of light from common building light fixtures, including the light output of fluorescent, mercury vapor, and other arc or discharge lamps an... | 04/01/2008 |
| 7336155 | Remote control device for a motor vehicle A remote control for a garage door opener includes a transmitter for transmitting electromagnetic signals and at least one manual actuator. The transmitter can be arranged in flexible mounting areas inside or outside the motor vehicle and can be spatially separate f... | 02/26/2008 |
| 7333783 | Mobile device with manually operated power source A mobile device with a manually operated power source which generates power sufficient to operate the device when shaken by a user. A cable connected between the power source and mobile device carries the generated power from the power source to the mobile device su... | 02/19/2008 |
| 7302184 | Data communication system A data communication system comprising a terminal unit for generating light signals responsive to status of switches and a control unit for receiving the signals spatially propagated and controlling operation of a predetermined load, wherein switches 11 and | 11/27/2007 |
| 7265494 | Intelligent user interface with touch sensor technology An electronic circuit including a microchip for use as an intelligent user interface also comprises touch sensor technology that differentiates between proximity and physical contact events to activate and control various loads including light bulbs, products with r... | 09/04/2007 |
| 7263292 | Methods and apparatus for controlling multiple infrared devices A method and apparatus for controlling a plurality of infrared devices (ICDs) is provided herein. A remote controller is used to generate an optical signal for controlling a plurality of ICDs. The optical signal generated by the remote controller is converted into a... | 08/28/2007 |
| 7253571 | Wireless power supply and method of supplying power A wireless power supply and method of wirelessly supplying power use light to directly supply power wirelessly to an electrical apparatus without a power cable. The wireless power supply includes: a plurality of pressure switches adapted to switch ON/OFF in response... | 08/07/2007 |
| 7244944 | Triggering system and method Described is a triggering arrangement including a power supply, a lighting arrangement and a switch. The lighting arrangement is coupled to the power supply. The switch is coupled to the lighting arrangement and the power supply. When the switch is in a first positi... | 07/17/2007 |
| 7245798 | Apparatus for redirecting optical signals in free space Apparatus for redirecting a plurality of optical beams emanating from a respective plurality of optical transmitters arranged in a pattern along a first dimension and a second dimension. The apparatus comprises a plurality of refractive regions. Each refractive regi... | 07/17/2007 |
| 7239810 | System for controlling an electrical device A system for controlling an electrical device that includes an enclosure and an optical signal. ... | 07/03/2007 |
| 7239771 | Method and system for controlling an optical switch using dynamic compensation A free space optical switch that uses both an open loop control mode and a closed loop control mode. The open loop control mode is used to transition to a state where at least some light is sensed at a destination port. A closed loop control mode is then used, where... | 07/03/2007 |
| 7218856 | System for compensating for chromatic dispersion and polarization mode dispersion A transmitted optical signal is first subjected to polarization mode dispersion compensation by a polarization mode dispersion compensator (PMDC), and then, its chromatic dispersion is compensated by a variable chromatic dispersion compensator (VDC) after the polari... | 05/15/2007 |
| 7215843 | Optical switching apparatus and optical switching method An optical switching apparatus includes an optical switch having a plurality of input ports and output ports, optical amplifiers, monitor circuits, optical amplifiers monitor circuits, and a controller that controls the optical switch. The optical amplifiers are con... | 05/08/2007 |
| 7203773 | Multi-protocol A/V control port with selective modulation A method and apparatus for using a control port in accordance with a variety of different protocols. A main processor communicates a configuration instruction to an interface controller. The interface controller uses the configuration instruction to select a protoco... | 04/10/2007 |
| 7197213 | System and method for controlling deflection of optical beams A method of controlling deflection of an optical beam at a beam steering element. The method comprises receiving switching instructions indicative of a target one of a plurality of potential transmit or receive elements; determining a control signal associated with ... | 03/27/2007 |
| 7187282 | Digital capacitive sensing device for security and safety applications A capacitive sensing system senses the presence of an object proximate to an antenna using a sensing field signal having a sensing field frequency. The capacitive sensing system can be used in security systems, to provide an alarm if a valuable object is removed fro... | 03/06/2007 |
| 7132973 | Universal soft remote control A universal remote control (10) is provided for wireless remote control of one or more devices (D1 . . . Dn) equipped for remote control by respective original remote controls having visual appearances different from one another. The universal remote c... | 11/07/2006 |
| 7106443 | Optical signal-to-noise monitor having increased coherence Methods and apparatus for rapid, accurate OSNR measurements by directly measuring the spectrally-resolved State of Polarization (SOP) variation across each DWDM channel and using a polarization controller to deterministically extinguish the signal across narrow freq... | 09/12/2006 |
| 7095912 | Technique for mitigation of polarization mode dispersion in fiber optic transmission links A technique for PMD mitigation in an optical communications system that utilizes a plurality of polarization rotators in an optical fiber to continuously rotate the polarization state of at least one optical signal that propagates through the fiber. The optical fibe... | 08/22/2006 |
| 7062175 | Repeating radio frequency transmission system for extending the effective operational range of an infrared remote control system Inventive systems and methods for remotely controlling infrared controlled devices by using addressed radio frequency control signals. Radio frequency signals propagate through most obstructions to infrared control signals. Augmenting each control signal with an add... | 06/13/2006 |
| 7062280 | Space identification system System and method for identifying various types of room facilities to find out and take into account space information. A tag of a space (S2) is included in the fluctuation of the intensity of the light emitted by a lamp (LF1) provided in the space in ... | 06/13/2006 |
| 7035548 | Polarization-mode dispersion detecting method, and a dispersion compensation controlling apparatus and a dispersion compensation controlling method A dispersion compensation controlling apparatus used in a very high-speed optical communication system adopting optical time division multiplexing system comprises a first specific frequency component detecting unit (2a) detecting a first specific freq... | 04/25/2006 |
| 7031559 | Technique for mitigation of polarization mode dispersion in fiber optic transmission links A technique for PMD mitigation in an optical communications system that utilizes a plurality of polarization rotators in an optical fiber to continuously rotate the polarization state of at least one optical signal that propagates through the fiber. The optical fibe... | 04/18/2006 |
| 7027736 | Addressable system for light fixture modules An addressable system for light fixtures is described wherein a plurality of light fixture modules is individually or collectively addressable for programming by remote control. The remote control may individually select each of the track control modules through vis... | 04/11/2006 |
| 7023959 | X-ray diagnostic instrument An x-ray diagnostic instrument for taking an X-ray photograph of a patient includes a condition detecting device for detecting a condition of the instrument; a display device for displaying light in multicolor or flushing light; a memory device for storing predeterm... | 04/04/2006 |
| 7024119 | Addressable light fixture module An addressable light fixture is described wherein a light fixture module is individually addressable for programming by remote control. The remote control may individually select each light fixture module through visible and narrowly defined selected light followed ... | 04/04/2006 |
| 7024070 | Electronic fiber optic switch with optical interconnect A large fiber optic switch system with a free-space optical interconnection configuration. The switch system comprises a plurality of individual switch units, each individual switch unit having a plurality of electronic multi-switch switches each multi-switch switch... | 04/04/2006 |
| 6987899 | Optical switching apparatus and optical switching method An optical switching apparatus includes an optical switch having a plurality of input ports and output ports, optical amplifiers, monitor circuits, optical amplifiers monitor circuits, and a controller that controls the optical switch. The optical amplifiers are con... | 01/17/2006 |
| 6985649 | Optical switching apparatus and optical switching method An optical switching apparatus includes an optical switch having a plurality of input ports and output ports, optical amplifiers, monitor circuits, optical amplifiers monitor circuits, and a controller that controls the optical switch. The optical amplifiers are con... | 01/10/2006 |
| 6965735 | Method and apparatus for switching automatically and synchronously among optical channels A method and an apparatus for switching channel connection between multiple optical channels synchronously and automatically. The apparatus employs an optical switch to interface among a plurality of optical channels, and an optical power meter to monitor data trans... | 11/15/2005 |
| 6940419 | Adaptable remote control for electrical appliances having several functions to be controlled A remote control including a microprossesor with a first storage zone containing a file of trademarks of the main appliances available on the market, and a storage zone containing code files corresponding to various appliances of the different trade-marks stored in ... | 09/06/2005 |
| 6782201 | Four fiber ring network optical switching circuit using branched inputs A four fiber ring network optical switching circuit capable of realizing the bridge function at times of the span switching and the ring switching economically by a very compact structure is disclosed. A four fiber ring network optical switching circuit is formed by... | 08/24/2004 |
| 6714697 | Optical switching apparatus and optical switching method An optical switching apparatus includes an optical switch having a plurality of input ports and output ports, optical amplifiers, monitor circuits, optical amplifiers monitor circuits, and a controller that controls the optical switch. The optical amplifiers are con... | 03/30/2004 |
| 6697546 | Optical node system and switched connection method A protection switch is configured for an input optical signal using an n×n optical switch. Furthermore, a signal to be added and dropped is also configured using an n×n optical switch. Especially, the n×n optical switch uses a complete group switch. Th... | 02/24/2004 |
| 6674966 | Re-configurable fibre wireless network A wireless communication system comprises a base station controller and a base station interface connected to the base station controller by a central optical fiber. The base station interface may include a flexible wavelength router. At least one base st... | 01/06/2004 |
| 6606174 | Optical semiconductor device In a data transmission, a driving circuit 14 drives a light receiving element 15 in accordance with data from an external control circuit. In accordance with IrDA or remote control communication, driving capability of the driving circuit is changed. In a ... | 08/12/2003 |
| 6088143 | Remote infrared password key system and methods for controlling the same A remote infrared password key system teaches entering a password with a remote control, conveniently entering a password by pressing one key utilizing a password hot key which also eliminates the need to store the password, and preventing unwanted disclo... | 07/11/2000 |
| 6055079 | Optical key system An optical key system comprises a battery-operated optical key and an isolated lock that derives both its operating power and unlock signals from the correct optical key. A light emitting diode or laser diode is included within the optical key and is conn... | 04/25/2000 |
