Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8184981 | Simplifying and cost-effective IR-RF combat identification friend-or-foe (IFF) system for ground targets Combined IR-RF combat identification friend-or-foe (IFF) system for a ground targets, such as dismounted soldiers, vehicles or military platforms comprising IR-RF interrogator mounted on a firearm and IR-RF transponder mounted on a friendly target. RF channel operat... | 05/22/2012 |
| 8175459 | Hybrid wireless/wired RoF transponder and hybrid RoF communication system using same A radio-over-fiber (RoF) hybrid wired/wireless transponder is disclosed that is configured to provide both wireless and wired communication between a hybrid head-end and one or more client devices. The hybrid transponder includes optical-to-electrical (O/E) and elec... | 05/08/2012 |
| 8160447 | Communication system using passive optical network and passive optical network An OLT transmits and receives a CMTS/CM apparatus control signal through an apparatus physical management interface which is physically identical to or different from a main signal interface (NNI) and processes the CMTS apparatus control signal by itself. When conne... | 04/17/2012 |
| 8160448 | Communication system using passive optical network and passive optical network An OLT transmits and receives a CMTS/CM apparatus control signal through an apparatus physical management interface which is physically identical to or different from a main signal interface (NNI) and processes the CMTS apparatus control signal by itself. When conne... | 04/17/2012 |
| 8155525 | Power distribution devices, systems, and methods for radio-over-fiber (RoF) distributed communication Power distribution devices, systems and methods for a Radio-over-Fiber (RoF) distributed communication system are disclosed. In one embodiment, an interconnect unit is coupled between a head-end unit and one or more remote units. The interconnect unit includes a plu... | 04/10/2012 |
| 8131153 | Power line communication system using hybrid-fiber coaxial and communication device used in the system A communication equipment which is utilized in a power line communication (PLC) system utilizing a hybrid fiber coax (HFC) which includes a PLC optical network unit, a PLC trunk bridge amplifier, a PLC distribution amplifier, and a PLC coupling device. In this insta... | 03/06/2012 |
| 8111998 | Transponder systems and methods for radio-over-fiber (RoF) wireless picocellular systems Transponder systems and methods for radio-over-fiber (RoF) wireless picocellular system are disclosed. One type of transponder system includes a RoF transponder used in combination with at least one radiation-reflector assembly to provide for enhanced antenna direct... | 02/07/2012 |
| 8098991 | Wideband RF photonic link for dynamic co-site interference mitigation A method is provided for co-site interference mitigation in an RF communication system. Spectral nulls created in an optical domain may be used to mitigate interfering signals in an RF signal. The method includes: receiving an RF input signal via an antenna; generat... | 01/17/2012 |
| 8095013 | Storage device, storage device array, and data processing system A storage device includes a storage section, a first control section, a communication section, a second control section and a wireless transmission and reception section. The storage section stores data. The first control section controls reading and writing the dat... | 01/10/2012 |
| 8095012 | High spur-free dynamic range receiver A receiver system comprises an antenna configured to receive an input RF signal, a high spur free dynamic range modulator configured to receive the input RF signal from the antenna and to convert the input RF signal to an optical signal, and a tunable filter configu... | 01/10/2012 |
| 8086107 | Optical-electrical hybrid integrated circuit An operating unit performs a prescribed operation and includes a standby-state-signal generating unit that generates a standby state signal for switching between a standby state and an operation state of the operating unit in a first part of the operating unit. An o... | 12/27/2011 |
| 8059963 | Time division duplexing remote station having low-noise amplifier shared for uplink and downlink operations and wired relay method using the same A wired relay method for using a remote station and an apparatus thereof for a Radio over Fiber (RoF) wired relay system supporting a Time Division Duplexing (TDD) wireless communication service, which shares an Low-Noise Amplifier (LNA) for both uplink and downlink... | 11/15/2011 |
| 8055136 | Data communications system A base station is provided for communicating data to a mobile terminal unit by means of at least one antenna unit, wherein the at least one antenna unit is linked to the base station by means of at least one optical fiber and the at least one antenna unit is operabl... | 11/08/2011 |
| 8050568 | Free-space sensor network A free-space network may include: a plurality of geographically distributed free-space sensors for sensing at least one target; a networking apparatus for combining sensed information regarding at least one target from the geographically distributed free-space senso... | 11/01/2011 |
| 8041222 | Radio over fiber link apparatus of time division duplex scheme A radio over fiber link apparatus for transmitting/receiving radio frequency up/downlink signals in a TDD mobile communication system. The radio over fiber link apparatus includes a center site for receiving radio frequency signals from an access point of the mobile... | 10/18/2011 |
| 8041223 | Method and apparatus for establishing system delay time and frame length in time division duplexing system A method of establishing a system delay time and a frame length in a Time Division Duplexing (TDD) system includes adjusting time lengths of an uplink (UL) frame, a downlink (DL) frame, a Transmit/receive Transition Gap (TTG), and a Receive/transmit Transition Gap (... | 10/18/2011 |
| 8032030 | Multiple core system An integrated circuit has a group of cores that communicate with a packet switch using carrierless ultra wideband (UWB) radio frequency (RF) signaling. The packet switch communicates outside the integrated circuit using optical signaling. The carrierless UWB provide... | 10/04/2011 |
| 8027589 | All-optical frequency upconverter and all-optical frequency upconversion method in radio-over-fiber system Disclosed is an all-optical frequency upconverter in a radio-over-fiber system that outputs upconverted optical radio frequency (RF) signals using an optical intermediate frequency signal and an optical local oscillation signal. The all-optical frequency upconverter... | 09/27/2011 |
| 8019224 | Communications device A transmission device that includes: a radio signal transmission processing section that transmits a radio carrier wave overlaid with transmitting information after being modulated by pulse position modulation; an optical signal transmission processing section that ... | 09/13/2011 |
| 8014678 | Power supply A device includes a power module to produce a switched voltage and to convert the switched voltage into a waveform adapted to wirelessly pass through a structure. The device may include a data module to receive a wireless signal through the structure, where the wire... | 09/06/2011 |
| 8009988 | Raman cancellation and management in CATV transport and distribution via RF spectrum inversion Provided herein are at least one embodiment of a system and method for reducing or eliminating crosstalk and associated distortion in a wavelength-division multiplexed optical signal transmitted over a fiber optic network by inversion of the RF signals that are inpu... | 08/30/2011 |
| 8009989 | Integrated electro-optic hybrid communication system A system according to embodiments of the invention may comprise a first communication path that converts an optically-modulated source signal to a radio signal based on a detected degradation in a quality of a received optical signal, and a second communication path... | 08/30/2011 |
| 8005365 | Radio frequency signal transfer system Embodiments of the present disclosure provide various methods, apparatuses, and systems for providing a radio frequency signal transfer system. One embodiment includes a number of radios, a number of antennas, electrical/optical shelves, a number of fiber optic path... | 08/23/2011 |
| 8005364 | Method and apparatus for communicating in the presence of radio frequency energy A wireless communication device (10) includes a radio frequency transceiver (22) adapted for burst transmission responsive to an enable signal in accordance with at least one communication protocol and an infrared transceiver (24) adapted for as... | 08/23/2011 |
| 7991292 | Terminal and information relay apparatus A terminal and an information relay apparatus allowing automatic setup for wireless connection without requiring setup operation by the user and capable of preventing information leakage when used at home are provided. A wireless LAN terminal communicates with a wir... | 08/02/2011 |
| 7978980 | Method for transmitting optically transmitted data via a radio antenna and corresponding device In a method a carrier signal is modulated depending on data to be transmitted. The modulated carrier signal is transmitted via an optical fiber line. The transmitted modulated carrier signal is demodulated, thereby producing received data. The transmitted modulated ... | 07/12/2011 |
| 7974536 | System and method for pre-configuring and authenticating data communication links An electronic device includes a data processor and data communication mechanism for: (a) transmitting, via an optical link, configuration and authentication requests/information for a second data communication link to an external device; and (b) transmitting other c... | 07/05/2011 |
| 7962042 | Method and system for delivering broadband services over an ultrawide band radio system integrated with a passive optical network A system and method for providing ultrawide band (UWB) communications service including voice, data, and video signals to a number of neighboring dwelling units or community access centers via a Passive Optical Network (PON) are presented. A neighborhood pedestal ca... | 06/14/2011 |
| 7957648 | Electromagnetic device with integral non-linear component An optical antenna assembly including multiple optical antenna elements, each of the optical antenna elements are arranged in a regular pattern and carried by a supporting body. The regular pattern of the plurality of optical antenna elements is nonuniform. Certain ... | 06/07/2011 |
| 7945166 | Independent upstream/downstream bandwidth allocations in a common hybrid telecommunications network A network interface apparatus comprises a bidirectional optical signal port, an optical diplexer connected to the bidirectional optical signal port, a first RF signal port (bidirectional), a second RF signal port, a first RF diplexer, and an RF splitter. The RF dipl... | 05/17/2011 |
| 7929864 | Optical beamforming transmitter The present invention provides an optical beamforming RF transmitter. In one embodiment, the optical beamforming RF transmitter includes an optical WDM splitter having an input and a plurality of outputs. The optical beamforming RF transmitter also includes an array... | 04/19/2011 |
| 7917034 | Synchronization and processing of secure information via optically transmitted data A method and device enables data communication via optical pulses from a light source of an electronic device. A data transfer interface is provided to support processing of selected data by a processor of the electronic device. The electronic device comprises an il... | 03/29/2011 |
| 7889992 | Hybrid superconductor-optical quantum repeater A hybrid superconductor-optical quantum repeater is provided. The hybrid superconductor-optical quantum repeater comprises an optical subsystem configured to receive an optical signal via an optical channel and a superconductor subsystem coupled to the optical subsy... | 02/15/2011 |
| 7877015 | Optical to radio frequency detector An optical to radio frequency detector comprises an optical guide for receiving two optical signal components having frequencies that differ by an amount corresponding to a radio frequency, and a radio signal guide coupled with an interaction zone of the optical gui... | 01/25/2011 |
| 7856184 | Systems and methods for adaptive interference cancellation In one embodiment a communications system includes an RF receiver that receives a desired signal and the interference signal, a first phase modulator that receives the desired signal and the interference signal from the RF receiver and generates a resulting optical ... | 12/21/2010 |
| 7848654 | Radio-over-fiber (RoF) wireless picocellular system with combined picocells A radio-over-fiber (RoF) wireless picocellular system adapted to form an array of substantially non-overlapping individual picocells by operating adjacent picocells at different frequencies is operated to form one or more combined picocells. The combined picocells a... | 12/07/2010 |
| 7805078 | Integrated electrical/optical hybrid communication system with revertive hitless switch A system according to embodiments of the invention may include a first communication path that converts an optically-modulated source signal to a radio signal based on a detected degradation in a quality of a received optical signal, and a second communication path ... | 09/28/2010 |
| 7796891 | ROF link system for supporting various services Disclosed is a radio-over-fiber (ROF) system for supporting various services, the system comprising: a central access platform (CAP) for providing time division duplexing (TDD), frequency division duplexing (FDD), and broadcasting services, converting a TDD downward... | 09/14/2010 |
| 7796890 | Hybrid PON/surface wave terrestrial access A system and method for distributing high bandwidth signals is disclosed. The system and method use electrical transmission lines to distribute high bandwidth RF signals. The RF signals are sent along the electrical transmission lines using surface wave transmission... | 09/14/2010 |
| 7787773 | Radio oscillating and radar systems It is provided a radio oscillating system for oscillating a radio signal. The system has an optical modulator for oscillation, a modulating means for inputting a modulating signal of a frequency of fm into the optical modulator to modulate a carrier wave so as to in... | 08/31/2010 |
