Class 398/165 - Plural stations

Subclass of Class 398 - Optical communications
Definition: Subject matter including at least two spaced apart
No. of patents: 35
Last issue date: 05/25/2010

Number	Title	Issue Date
7725039	Method and apparatus for automatic port interconnection discovery in an optical network To automatically discover the port connections for all nodes in a network, a master node generates a predetermined optical signal and transmits the predetermined optical signal to a neighboring node, which signal identifies the port on which the master node transmit...	05/25/2010
7433603	Using active and passive optical components for an optical network In one embodiment, the present invention includes a network hub having an active optical encoder where the network hub is to generate a plurality of addressed optical data signals, each having a common carrier wavelength and a different address corresponding to a ne...	10/07/2008
7412116	Optical device for simultaneously generating and processing optical codes The invention relates to an optical device, apt to generate and process optical codes at least one wavelength, comprising P inputs s, with 1≦s≦P, and P≧1, and N outputs k, with 1≦k≦N and N≧1, characterized in that it is apt to simultaneously generate and...	08/12/2008
7349629	Methods and systems for creating a digital interconnect fabric An optical network provides a digital interconnect fabric allowing nodes to seamlessly communicate with each other. Each node is connected to a bi-directional optical bus through passive optical interface devices. The optical interface devices route signals from eac...	03/25/2008
7327954	Optical signaling to share active channel information A method for optical supervisory signaling includes determining a wavelength channel status (WCS) value, a wavelength channel failure (WCF) value, and a wavelength channel lit (WCL) value for each one of multiple data channels services by an optical communication no...	02/05/2008
7317876	Medium access control for retro-reflectors A method, a device and a system for communications to and from a retro-reflector device (302) is provided. The retro-reflector device (302) receives a first frame (400) encoded in an input beam (106). The retro-reflector device (302	01/08/2008
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
7254333	Low-cost WDM terminal device accommodating plurality of client signal A WDM (Wavelength Division Multiplex) terminal device located in a WDM network includes a multiplexing unit that multiplexes a wavelength of a client signal having a single wavelength or a wavelength of at least one of a first plurality of client signals whose wavel...	08/07/2007
7245832	Radio communication apparatus An optical bus 30 optically connects each board of a signal processing section 22 and each board of a transmission/reception section 40 for transmitting an optical signal output to the optical bus 30 by each board of the signal processing...	07/17/2007
7209660	Optical communications using heterodyne detection An optical communications system includes a receiver subsystem with at least two heterodyne receivers. The receiver subsystem receives a composite optical signal having two or more subbands of information and corresponding tones. An optical splitter splits the compo...	04/24/2007
7158726	Backbone interface, a terminal interface for communications in a space vehicle, and a communications network comprising such interfaces The invention relates to a communications backbone interface between at least three members of a communications network for a space vehicle. In the invention, the interface combines various signals received at inlets, which signals may be analog, digital, and optica...	01/02/2007
7139487	Light burst transmission/reception control system, parent station device used in the same, child station device, and light burst transmission/reception control method A host station apparatus (10) generates band allocation information including identifications of slave station apparatuses (20-1 through 200-n) and types of data to be transmitted by the slave station apparatuses and posts the information...	11/21/2006
7127170	Optical frequency division multiplexing network An optical frequency division multiplexing network includes first optical communication paths connected to terminals, respectively, a second optical communication path connected to the outside and a node composed of a selection unit for selecting signals having opti...	10/24/2006
7068186	Traffic monitoring The present invention provides an optical fiber sensor for traffic monitoring, which comprises a former consisting of an elongated plate, and an optical fiber wound onto at least one surface of the elongated plate. The elongated plate is flexible in a direction tran...	06/27/2006
7010233	Interface device for a fiberoptic communication network and methods of using such a device The invention concerns an interface device for a fiberoptic communication network. The interface device comprises an electric circuit arrangement 32, a first receiving section 34 for receiving a first transceiver module 24 and a second receiving...	03/07/2006
6999686	Wavelength management in an optical network A system for managing signals in an optical network is provided. When a signal is originated by a source node for transmission to a destination node, the source node generates a message. Upon receiving this message, the destination node responds by sending an acknow...	02/14/2006
6934434	Circuit for switching optical paths First to sixth optical switches 17 to 22 are provided: in event of failure on the part of a third input/output port 33, only the first and second optical switches 17 and 18 turn ON; in the event of failure on the part of a second i...	08/23/2005
6766117	Network system The invention provides a network system for laser processing, comprising at least two laser devices and a workstation with a laser processing head which can be operated safely. A first light guide leads from the first laser device to a first connection element, asso...	07/20/2004
6681083	Power splitter for optical networks There is disclosed a network architecture comprising a first set of N serially connected power splitting centers connected at one end to receive a power signal and at another end to a termination point, each splitting center having an output associated wi...	01/20/2004
6650843	Device for the optical transmission of signals Devices for providing optical signal transmissions between a transmitter unit and a receiving unit which is mobile relative to the transmitter unit. The units are optically coupled to each other via an optical transfer medium, and thus improve transmissio...	11/18/2003
6404522	Optical communication method and system using wavelength division multiplexing The present invention provides for an improvement in communication performance of an optical communication system which communicates data via N different channel wavelengths using WDM. In a case that not all of the N channel wavelengths are carrying data ...	06/11/2002
5818616	Optical communication apparatus and conference system In a conference system of the present invention, a terminal modulates a sound signal taken by a micro-phone which is connected to the terminal, a coordinate information signal which is designated using a digitizer, and a video signal. The terminal convert...	10/06/1998
5812296	Fiber optics transmission system In a fiber optics transmission system in which a plurality of access units are cascade-connected via up-link and down-link optical fiber lines and connected to a base unit, the base unit has a beat noise detector and a noise information generator and, upo...	09/22/1998
5535031	Fiber optic interface and system An apparatus for optically connecting at least two independent half-duplex networks. The apparatus receives electrical signals from a first network, converts these signals to optical signals, and then transmits the optical signals along optical fiber to a...	07/09/1996
5502587	Network comprising a space division photonic switch and a terminal which forms an output signal from an input signal The present invention provides a communications network in which a space division photonic switch connects waveguides form two terminals and one of the terminals impresses data on an input signal to form an output signal which results in an efficient and ...	03/26/1996
5390038	Half-duplex communications interface A data link interface and method are disclosed for controlling signal communications including providing an interface for converting or extending signal communications media in a half-duplex data link between at least two devices or networks and arbitrati...	02/14/1995
5046137	Optical communication system An optical communication system is provided in which a digital data bus is used as a transmission line. Each terminal equipment measures an optical output level to enable the terminal equipment to receive a packet transmitted from the terminal equipment i...	09/03/1991
4783851	Optical communication system The optical communication system of the invention comprises an optical transmission line, optical coupling devices, each having a varying coupling ratio, connected to the transmission line, and stations connected to the optical coupling devices; wherein t...	11/08/1988
4748689	Fiber-optic distribution system for broadband signals A fiber-optic distribution system is disclosed which distributes broadband signals received by a network termination circuit from a broadband communications network (B-ISDN or cable-television network) among a plurality of subscriber terminals. The networ...	05/31/1988
4710977	Communication system and method A system and a method of communicating information between remote locations are provided wherein either or both the functions of interrogation of the communicating equipment at the remote locations and the generation of electrical energy thereat for power...	12/01/1987
4633525	Light-emitting diode device for suppressing thermal time-constant effects A device for controlling a light-emitting diode. The light-emitting diode is reverse-biased in order to be put out of service without light emission, a reverse current of predetermined value being passed through the diode in order to produce a dissipation...	12/30/1986
4612670	Electro-optical connection between electronic modules Electro-optical interface connections between electronic modules are used for data transmission rather than conventional pin and socket connections. Each module has on its top a number of diode pairs, one of the diodes transmitting light, and the other re...	09/16/1986
4596049	Electrical control system An electrical control system for controlling one or more electrical devices includes a local control station and one or more remote control stations, each station including a transmitter and a receiver, the various stations being interconnected by optical...	06/17/1986
4236243	Telecommunication systems A telecommunication system has a laser-energized multimode optical fibre highway. Data is entered on to the highway by means of a series of modulators each operating at a different subcarrier frequency. At the far end of the highway demodulation is carrie...	11/25/1980
4089584	Multiple station multiplexed communications link employing a single optical fiber A single optical fiber having a core with at least one planar side is arranged in an open loop configuration to form a bus which is run between a plurality of communications stations to be served. The legs of the loop are placed side by side to form a pai...	05/16/1978

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Class 398/165 - Plural stations