Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 7430373 | Optical node processor, optical network system and its control method An optimum optical node processor is provided to a metropolitan network in which the distance of a transmission line between each optical node processor is short. The optical node processor according to the invention is provided with an optical add/drop multiplexer ... | 09/30/2008 |
| 7376355 | Optical transmission apparatus and optical transmission system An optical transmission apparatus includes a return line for connecting a first transmission line and a second transmission line opposed to the first transmission line in order to make it possible to commonly use a transmitter-receiver or a repeater, for example, be... | 05/20/2008 |
| 7346674 | Configurable fibre channel loop system A configurable fibre channel (FC) loop system is provided that may be used to couple mass storage devices to input/output (I/O) controllers in a data storage system. The system may include first and second port bypass systems (PBPS). Each PBPS may include FC protoco... | 03/18/2008 |
| 7336898 | Fibre optic communications network A security system for controlling access to an enclosed conduit along which runs fiber optic cable, the conduit having a cover for access to the cable, the system having a communications receiver and a modulator responsive to an output of the receiver for coupling n... | 02/26/2008 |
| 7116913 | Optical transmission system and dispersion compensator In an optical transmission system comprising a transmitter, a receiver, and a transmission line that connects the transmitter and the receiver, a dispersion compensator is disposed in the receiver. The transmitter comprises an E/O (electro-optical signal converter) ... | 10/03/2006 |
| 7110668 | Optical network connection test apparatus and methods A way of testing a wavelength division multiplexed (WDM) system without requiring connection to data source/sink equipment. A test signal is introduced onto a light path of interest in the system, and the test signal is monitored downstream for signal integrity. Lac... | 09/19/2006 |
| 7076175 | Method of setting up two-way optical communication between a central unit and a remote unit A method of setting up two-way optical communication between a central unit and a remote unit suitable for operating in a given communication mode selected from a plurality of communication modes. A plurality of frame patterns is defined in the central unit, with ea... | 07/11/2006 |
| 6975785 | Multiple-axis control system for an optical switch 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... | 12/13/2005 |
| 6842586 | OTDR arrangement for detecting faults in an optical transmission system employing two pairs of unidirectional optical fibers A method and apparatus is provided for using optical time-domain reflectometry (OTDR) with a WDM transmission system that includes a plurality of terminals interconnected by at least two pairs of unidirectional optical transmission paths each of which has at least o... | 01/11/2005 |
| 6816683 | Wavelength division multiplexing communications network supervisory system A supervisory system in a wavelength division multiplexing communications network is provided with a first and a second terminal stations and a repeater unit. The first terminal station transmits a supervisory signal to the second terminal station. The second termin... | 11/09/2004 |
| 6775480 | Free space optical interconnect system A free space optical interconnect system tolerant to misalignments and utilizing redundant elements of a transmitter and/or a receiver is provided. The elements are arranged into clusters, the number of clusters being redundant, and the number of elements in each cl... | 08/10/2004 |
| 6731872 | Method for monitoring the operation of optical fibers A central equipment is connected by at least two optical fibers to a decentralized optical equipment and the central equipment creates an optical auxiliary signal which is transmitted together with an optical payload signal from the central equipment to the decentra... | 05/04/2004 |
| 6693879 | Data communication apparatus and method A data communication apparatus as a device. A discrimination data of own device is sent. When the discrimination data is received from another device, the discrimination data is stored as a direct communicatable device for the own device. A direct communi... | 02/17/2004 |
| 6599038 | Passive remote loop-back method and apparatus for optical circuit verification A passive remote loop-back method and apparatus for optical circuit verification is described. The apparatus may be remotely controlled through either of a dial-up or a data connection. The apparatus is adapted to: perform loop-back of received optical si... | 07/29/2003 |
| 6493124 | Looping back signals in optical switches An optical switch for routing optical signals includes ports located on the optical switch and a refractive plate that may be oriented to passively loop back an optical signal from one of the ports to the same one of the ports.... | 12/10/2002 |
| 6400479 | Optical power balancer for optical amplified WDM networks A wavelength division multiplexed (WDM) optical communications network is configured and operated to enable transmitter output power for a given wavelength channel to be adjusted to achieve a desired optical signal-to-noise ratio (OSNR) for the channel in... | 06/04/2002 |
| 6327060 | Optical transmission system, optically branching apparatus and optical signal processing apparatus In an optical transmission system, an optical transmission line has up and down systems and loops back a supervisory light between the up and down systems. Trunk stations are provided at both ends of the optical transmission line and one or more optically... | 12/04/2001 |
| 6246497 | Active optical loop-back system An apparatus for looping-back an optical signal in an optical communications system includes a transmitting station and a receiving station optically coupled to the transmitting station by a transmission fiber and reception fiber. Data is transmitted from... | 06/12/2001 |
| 5995254 | Wavelength division multiplexing light transmitting system A wavelength division multiplexing light transmitting system which can monitor its transmission line. In which, one light among the signal lights to be wavelength multiplexed is defined as an optical fiber transmission line monitor light. A transmitter mu... | 11/30/1999 |
| 5978113 | Apparatus for remote loopback testing and isolation of loss of signal failures within synchronous optical networks The Remote SONET/SDH Loopback (RSL) is an optical network interface device consisting of a facility interface 24, a drop side interface 26, a facility receive signal splitter 12, a drop side receive signal splitter 18, an idle signal generator 16, a comma... | 11/02/1999 |
| 5969833 | Monitoring system using an optical side tone as a test signal An improved monitoring system for monitoring a fiber optic transmission system using optical side tones. The monitoring system includes a line monitoring equipment (LME) connected to a portion of an optical transmission system. The LME includes a pseudo-r... | 10/19/1999 |
| 5956169 | Bidirectional optical burst transmission In bidirectional optical burst transmission using a single optical fiber, a signal is reliably discriminated even if reflected light is contained in a received optical signal. According to a first aspect of the invention, the received signal converted int... | 09/21/1999 |
| 5923453 | Apparatus for measuring optical transmission line property and optical wavelength multiplexing transmission apparatus Disclosed is an apparatus for measuring an optical transmission line property, which has: a pair of up and down optical fiber transmission apparatuses, each of which includes an optical transmission end office which includes a plurality of signal light so... | 07/13/1999 |
| 5748348 | Optical communication system for cable-television signals and for subscriber-assigned signals In an optical communication system in which cable-television signals and subscriber-assigned tele-communication signals are transmitted over a passive optical network (4, 5) to at least one optical network termination (6), each optical network termination... | 05/05/1998 |
| 5687013 | Optical communication system having loop-back function for informing congestion state of receiving node An optical communication scheme is carried out by using a network having a plurality of nodes, a first network medium connected to a first group of the nodes, and a second network medium for transmitting control signals and connected to a second group of ... | 11/11/1997 |
| 5610749 | Microcomputer control optical fiber transmission system A master optical signal transmitter-receiver unit and slave optical signal transmitter-receiver units are connected in series for optical transmission by way of optical fibers. Each optical signal transmitter-receiver unit includes an optical connector fo... | 03/11/1997 |
| 5296957 | Optical repeater having loop-back function used in transmission system An optical repeater having a loop-back function is provided in a transmission system including first and second transmission lines. The optical repeater includes a first optical amplifier connected to the first transmission line, a second optical amplifie... | 03/22/1994 |
| 4887313 | Method and apparatus for making phase stable microwave measurements Method and apparatus for making phase stable measurements of charateristics of microwave antennas and other devices utilizing an optical transmission path as a phase stable reference in order to identify phase errors along a radio frequency transmission p... | 12/12/1989 |
| 4755818 | Aircraft collision warning system An aircraft collision warning system in which a low power pulsed laser sym projects narrow bandwidth radiation into 4π steradians around an aircraft and a matched, narrow bandwidth receiver system, with a 4π steradian field-of-view which detects such r... | 07/05/1988 |
| 4654890 | Multiplex communication system A multiplex communication system comprises a central control unit, a plurality of local control units, an optical loop transmission path interconnecting the central control unit and the plurality of local control units by optical fibers in a loop-like con... | 03/31/1987 |
