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| Number | Title | Issue Date |
| 8184982 | Data reporting systems and methods Systems and methods for data reporting in electronics devices are disclosed. An exemplary system may include a processor configured to encode a bit stream representing information from at least one subsystem in the electronics device. The system may also include an ... | 05/22/2012 |
| 7734182 | Illuminator including optical transmission mechanism An illuminator including an optical transmission mechanism includes a transmission-side electric circuit for forming electric signals modulated in response to information, a light source for emitting intensity-modulated light in response to the electric modulated si... | 06/08/2010 |
| 7415212 | Data communication system, data transmitter and data receiver A transmitter formed of two or more light-emitting sections such as LEDs, which are physically arranged in a predetermined manner, is disposed in the real world object, and each light-emitting section transmits data by flashing at a flashing pattern representing the... | 08/19/2008 |
| 7389052 | Calibration method for station orientation In optical wireless networks, light beams are transmitted over-the-air and maximum performance is achieved when light beams are aligned with corresponding light detectors. A feedback control system is created between transmitting and receiving units, wherein the rec... | 06/17/2008 |
| 7389051 | Illuminator including optical transmission mechanism An illuminator including an optical transmission mechanism includes a transmission-side electric circuit for forming electric signals modulated in response to information, a light source for emitting intensity-modulated light in response to the electric modulated si... | 06/17/2008 |
| 7386238 | Method and system for infrared data communications A method and system for conveying contextually relevant information to a wireless client are disclosed. More particularly, a transmitter transmits a diffuse infrared signal to a client having an IrDA compliant communication interface. The transmitter communicates wi... | 06/10/2008 |
| 7355523 | Remote controlled intelligent lighting system An addressable lighting device and control system uses a user-actuable infrared or radio frequency operated remote control(s) to selectively or collectively generate an electronic address for the addressable lighting device on which the device will respond to all fu... | 04/08/2008 |
| 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 |
| 7336903 | Optical wireless transmission apparatus There is disclosed an optical wireless transmission apparatus in which a pilot light emitting section of a receiving/emitting section sends a pilot light in a wavelength region of 930 nm to 960 nm to a target apparatus, and a light receiving device having a light re... | 02/26/2008 |
| 7333181 | Methods for the use and manufacture of infrared position sensing detector focal plane arrays for optical tracking A Sensor Chip Assembly (SCA) contains a focal plane array constructed as a semiconductor chip sandwich. One slice contains an array of PSDs made from IR sensitive semiconductor material, and the other slice contains Trans Impedance Amplifiers (TIAs)—and associated... | 02/19/2008 |
| 7330661 | Method and apparatus for optical communication between devices A method and apparatus for processing a data signal for transmission to a remote device transmits at least two synchronized copies of the data signal, in optical form, in different directions. To that end, the data signal first is synchronized to a clock signal to p... | 02/12/2008 |
| 7330662 | System and method for remote optical digital networking of computing devices The extended range of optical data communication is enabled through the use of intermediary relay stations spaced fairly far apart. IRDA communicatiOn, as is well known, uses very short duration optical pulses to send data up to 1 Mbit/sec; this has the concomitant ... | 02/12/2008 |
| 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 |
| 7247994 | Methods and apparatuses for mounting a wireless network component to a fluorescent light The invention provides methods and apparatuses for mounting a wireless network component to a fluorescent light. The internal electronics of the wireless network component are contained within a housing. Attachment means are used to attach the housing to a fluoresce... | 07/24/2007 |
| 7215888 | System and method of implementing variable loop gain in an optical wireless link based on distance A system and method of varying the control loop gain of an optical wireless communication link between a transmitting station and a receiving station as an inverse function of distance between the transmitting station and the receiving station to allow the optical w... | 05/08/2007 |
| 7215887 | Method and apparatus for infrared data communication An apparatus and method for conveying contextually relevant information to a wireless client (112) is disclosed. More particularly, an emitter (108) transmits a diffuse infrared signal to a client (112) having an IrDA infrared communication inte... | 05/08/2007 |
| 7200334 | System for transmitting digital signals in a space vehicle The invention relates to a system for conveying digital signals inside a space vehicle between a transmitter and a receiver. In the invention, the link between the transmitter and the receiver comprises a first portion made of optical fiber and a second portion in w... | 04/03/2007 |
| 7200567 | Purchasing aid logistics appliance and method for use A purchasing aid logistics appliance that assists a purchaser with a shopping list generation, in-store product location, automated checkout, and financial management. The PAL is in the form of a battery operated PAL with touch screen display and multimedia input/ou... | 04/03/2007 |
| 7194209 | Interference resistant infrared extension system An interference resistant infrared receiver and extension system is disclosed. A receiver in accordance with the present invention comprises at least one infrared photodetector configured to detect impinging infrared light of a desired wavelength, an amplifier, coup... | 03/20/2007 |
| 7162258 | Light fixture wireless access points An access point for a wireless local area data communications network is designed to derive power from a lighting fixture. In one arrangement, the access point includes a housing configured to be received in one or more sockets of a lighting fixture and to replace a... | 01/09/2007 |
| 7155129 | Steerable free space optical interconnect apparatus A microlens assembly is automatically aligned (positioned) to facilitate optimal light beam transmission between two spaced-apart subsystems (e.g., two printed circuit boards) supported within a larger system (e.g., a server system). The microlens assembly is contro... | 12/26/2006 |
| 7130090 | Method of operating an image-based document processing system and an apparatus therefor A check processing system comprises an image capture module including a controllable image capture device disposed along a first side of the document track. The image capture device captures an image of a document item moving from an upstream end of a document track... | 10/31/2006 |
| 7120363 | Method and apparatus for maintaining optical alignment for free-space optical communication The present invention provides a method and apparatus for free-space optical communication. The method comprises the steps of receiving a receive optical beam through a narrow field of view, determining a receive power level, shifting an alignment, maximizing the re... | 10/10/2006 |
| 7103021 | Method and apparatus for communications of data rate control information in a CDMA communication system In a code division multiple access communication system (100), a method and an apparatus provide for efficient communications of data rate control information. A mobile station (102) communicates a request on a data channel (302) for reception o... | 09/05/2006 |
| 7099589 | Space-division multiplex full-duplex local area network An optical wireless local area network according to the present invention is an optical wireless local area network for interconnecting a plurality of terminals having a line-of-sight optical communication function. In the optical wireless local area network, a base... | 08/29/2006 |
| 7084574 | Fluorescent light power source for supplying power to an external device Systems and methods are provided for deriving power for an external device from the power source of a fluorescent light. The power source includes a fluorescent ballast electrically connected to the connectors of a light fixture for receiving an input voltage and fo... | 08/01/2006 |
| 7071814 | Contextually aware network announcements of people A context sensitive data announcing device includes an ad hoc network interface configured to receive one or more announcements identifying one or more members of an ad hoc network. The device includes a database which contains information regarding the one or more ... | 07/04/2006 |
| 7067982 | Deriving power for an external device from a fluorescent light power source Systems and methods are provided for deriving power for an external device from a circuit of a fluorescent light. A first circuit supplies power from a fluorescent light power source to a fluorescent lamp. The power converter of an external device can be electricall... | 06/27/2006 |
| 7050459 | Devices, methods and software for centralized session planning while in a DCF mode Devices, softwares and methods for centralized session planning while in a DCF mode. An access point plans centrally a schedule of individual sessions with each station. Then it announces to each peripheral station the onset of the session by a polling pulse that in... | 05/23/2006 |
| 7009579 | Transmitting apparatus and method, receiving apparatus and method, transmitting and receiving apparatus and method, record medium and signal On the transmission side, a background picture and objects #1 to #3 are transmitted at a transmission rate R/4 each. On the reception side, a picture composed of the objects #1 to #3 and the background picture is displayed with a particul... | 03/07/2006 |
| 7006768 | Method and apparatus for the zonal transmission of data using building lighting fixtures This invention relates to the zonal transmission of data by the modulation of the light output of arc lamps or discharge lamps; including the visible or invisible light output of fluorescent lamps, mercury vapor lamps, high or low-pressure sodium lamps, metal-halide... | 02/28/2006 |
| 7000001 | Bookmark beacon system and method A bookmark beacon system comprises a computer network, a wireless network configured to enable a wireless device to access the computer network, and a bookmark beacon that transmits a bookmark data packet to the wireless device. The bookmark data packet includes a r... | 02/14/2006 |
| 6979955 | Deriving power for a wireless network component from the power source of a fluorescent light Systems and methods are provided for deriving power for a wireless network component from the power source of a fluorescent light. Power couplings are electrically connected to the pins of a fluorescent lamp and to a power converter of the wireless network component... | 12/27/2005 |
| 6978092 | Apparatus for optical communication using a large-area primary reflector An optical transceiver includes an opaque element having a concave reflective surface arranged in a path of each of an outgoing and an incoming light signal, the reflective surface configured to redirect the paths of the respective light signals. An optical detector... | 12/20/2005 |
| 6957043 | Data communications system including a local beacon A data communications system including a local beacon (10; 9, 9′), on the one side ,being programmable and/or communicating with controlling and/or information communicating infrastructure means (16), for example a central service provider or the Int... | 10/18/2005 |
| 6954591 | Non-visible communication systems Network for transmitting and using electromagnetic radiation for two or more functionally different useful purposes. Such a network may be comprised of a signal source apparatus to provide information, an electromagnetic radiation generator capable of being modulate... | 10/11/2005 |
| 6944402 | Extended range infrared communication (ERIC) for an infrared associated (IrDA) compliant portable device An Infrared Data Association (IrDA) communication range (109) (e.g., 1 meter) of an IrDA compliant portable device (201) is increased to an extended range infrared communication (ERIC) range (209) (e.g., 2 to 40 meters) by extending a transmissi... | 09/13/2005 |
| 6850709 | Apparatus and method for improved connectivity in wireless optical communication systems The present invention provides an apparatus and a method for improved connectivity in wireless optical networks. Therefore at least two or more receiving units are used which receive an infrared signal and convert it to a digital signal. The digital signals represen... | 02/01/2005 |
| 6728774 | Transaction support for IRDA-compatible systems A system to adapt the MAC rules of the IrLAP specification to accomodate various IR transceiver devices with media sense utilizes an IrDA protocol stack having a series of layers including: | 04/27/2004 |
| 6690887 | Wireless non-connection communication apparatus and control method therefor A wireless communication device supporting at least non-connection communication and a control method therefore are disclosed. It is determined whether a request for non-connection communication occurs and, when the communication request occurs during an ... | 02/10/2004 |
