Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8180225 | Optical data link The invention provides an optically powered device interface module for operating an external device, and an optically powered data link comprising the same. In one embodiment the device interface module includes an optical interface for receiving optical power and ... | 05/15/2012 |
| 7660534 | Optical communication device and system using optical power and signals An optical telephone and communication system with interferometers at the transmitter and receiver can use optical time-delay difference and differential frequency shift modulation and multiplexing techniques. The power to the system is provided from either a remote... | 02/09/2010 |
| 7623794 | Wavelength division-multiplex system A power-down delay unit for delaying cutoff of a voltage is provided in a power supply line which supplies electrical power to an optical module of a transponder unit for each optical wavelength. The power-down delay unit assigns different delays for each wavelength... | 11/24/2009 |
| 7469105 | Optical fiber communications method and system without a remote electrical power supply The present invention allows remote antenna units for radio frequency signal transmission and receipt to operate without the requirement for remote electrical power supplies or for connecting cables that incorporate electrical conductors. According to an aspect of t... | 12/23/2008 |
| 7440699 | Systems, devices and methods for transmitting and receiving signals on an optical network Systems, devices and methods for transmitting and receiving signals on an optical network are disclosed. In one aspect, a micro device for connecting an electronic device to an optical transmission system is disclosed. The micro device can comprise optical component... | 10/21/2008 |
| 7359647 | Method and apparatus for transmitting and receiving power over optical fiber A method and apparatus for transmitting and receiving power over optical fiber is disclosed. In particular, a power over fiber system in which an optical network transmits electrical power via an optical signal and is also transmits data within the optical network a... | 04/15/2008 |
| 7340051 | Power ramp-up in a line-powered network element system A method of ramping up a power supply that supplies power on a communication medium. The method includes supplying power on the communication medium with the power supply operating at a first set point, determining if an overload condition exists, and, if the overlo... | 03/04/2008 |
| 7309989 | Wireless RF coil power supply A system wirelessly supplies electrical power to an RF coil and an analog-to-digital converter (ADC) for an MRI system. The system supplies power to at least operate the RF coil and ADC without the use of a battery and without use of a wired connection external to t... | 12/18/2007 |
| 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 |
| 7262695 | Network interface device An apparatus is disclosed that provides a gateway function. The apparatus has an enclosure surrounding a network interface device. The network interface device has a communications network interface to a communications network and a power line network interface to a... | 08/28/2007 |
| 7263297 | Method and device for the control of the power radiated onto a transmission telescope in free-space laser telecommunications systems A variable beam divergence FSO optical transmitter is described, as well as a method for altering the transmission power being radiated in a telescope for laser on air telecommunications systems. The method calls for the transmission of a very wide angle of the lase... | 08/28/2007 |
| 7212541 | Wavelength division multiplexed (WDM) ring passive optical network (PON) with route protection for replacement of splitter based passive optical networks A method and apparatus for low cost upgrading on demand of an optical fiber communication system without installing additional optical fiber and minimal installation of optical circuitry at destination and distribution terminals. The upgraded systems comprise an opt... | 05/01/2007 |
| 7200341 | Technique for live insertion of transceiver modules in a telecommunication system A smooth connector circuit for on-line connection of an optical telecommunication module to a main telecommunication unit, where the main unit comprises a common power supply circuit and is connectable to a number of optical telecommunication modules by separately c... | 04/03/2007 |
| 7187276 | Power line communication system and method of using the same The fiber optic isolator of the present invention transports data signals between high voltage power lines and a communications interface device, bypassing a step down transformer to low voltage power. The communication interface device includes a low voltage power ... | 03/06/2007 |
| 7183901 | Local network using an electrical power distribution system and associated reflection device The invention concerns a local network for the transfer of information among several communication devices connected to an alternating current electrical power distribution system with a pre-determined frequency, the information conveyed in the local network being t... | 02/27/2007 |
| 7181142 | Broadband optical network apparatus and method Methods and apparatus for providing enhanced optical networking service and performance which are particularly advantageous in terms of low cost and use of existing infrastructure, access control techniques, and components. In the exemplary embodiment, current wides... | 02/20/2007 |
| 7173927 | Hybrid network to carry synchronous and asynchronous traffic over symmetric and asymmetric links The versatility provided by network nodes in accordance with the present invention allows the formation of networks using different types of links, links with differing bandwidth, data rates, and bit error rates, as well as both asymmetric and symmetric links. For e... | 02/06/2007 |
| 7173938 | Method and apparatus for processing outbound data within a powerline based communication system A powerline based communication system includes a powerline termination module, a plurality of powerline gateways, and a plurality of powerline nodes. The powerline termination module manages data for local area networks within the powerline based communication syst... | 02/06/2007 |
| 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 |
| 7116272 | Direction and distance finder for locating distress signals The present invention relates to a system and method for locating the direction and distance to a RF signal source from an avalanche beacon to find an avalanche victim. The system and method includes a RF signal locator and a graphical display residing on the signal... | 10/03/2006 |
| 7106430 | Airborne search and rescue scanner An airborne search and rescue scanner is provided to locate a missing person wearing a reflector for reflecting laser energy emitted from a scanner in a high speed aircraft. The scanner and reflector combination enable scanning of a large search area in a relatively... | 09/12/2006 |
| 7075414 | Device and method for communicating data signals through multiple power line conductors The present invention provides a device for providing communications through power lines comprised of multiple conductors by transmitting the data signals through a plurality of the conductors. One embodiment of the present invention may be comprised of a transmit c... | 07/11/2006 |
| 7072588 | Multiplexed distribution of optical power An optical power distribution system and method permits multiple power consuming devices to be selectively supplied with power using a single fiber optic line. In a described embodiment, multiple electrical power consuming well tools are interconnected to a fiber op... | 07/04/2006 |
| 7046882 | Power line communication system and method The present invention is drawn to an electrically “closed” method and apparatus for transmitting and receiving data signals over a high voltage power line. Inductive coupling is employed for coupling and decoupling the data signal directly on to and off of a sin... | 05/16/2006 |
| 7042351 | Data communication over a power line Data signals are communicated between a power line and a computer, wherein the power line provides power to the computer via a distribution transformer and the computer is in communication with a wireless communication path. A first data signal is communicated with ... | 05/09/2006 |
| 7025277 | Smart card composed of organic processing elements A smart card may include integrated circuitry and I/O components composed of organic materials. Organic materials are advantageous because they remain intact under instances of physical stress. They permit the smart card to undergo flexion from time to time without ... | 04/11/2006 |
| 7020092 | Method for channel adjustment of transmission signal power in a wavelength division multiplexing transmission system For exact level balancing or signal-to-noise ratio balancing of received signals in a wave-length-division multiplex transmission system, the associated transmitted signal power levels are adjusted. If the maximum permissible dynamic range is exceeded, the individua... | 03/28/2006 |
| 6998964 | Splitter A splitter for enabling a power signal and a communication signal to be transmitted over a common communication link is provided. The splitter includes a line port adapted to be coupled to a communication line, a power port adapted to be coupled to a power supply to... | 02/14/2006 |
| 6993317 | Method and system for signal repeating in powerline communications A method and system for enhancing communication signals in a power-line communications system, which uses high-voltage or medium-voltage power lines as a transmission medium. Because communication signals are subject to attenuation as they traverse the power-lines o... | 01/31/2006 |
| 6952159 | Coupling device A coupling apparatus (1) having a mains connection (2) for connection to a low-voltage mains power supply system, and having an appliance connection (3) for connection of any appliance for transmitting and/or receiving an RF signal has a voltage... | 10/04/2005 |
| 6933835 | Data communication over a power line A signal is received from a first portion of a power line and at least a portion of the signal is converted to a non-electrically conducting signal. The non-electrically conducting signal may be communicated to a non-electrically conductive communication path. In th... | 08/23/2005 |
| 6704514 | Method of establishing and/or maintaining a wake mode for an electrical installation The invention concerns a method of establishing and/or maintaining a wake mode in an electrical installation, which in addition to at least one receiving device has at least one transmitting device that is connected through an optical bus system. So as no... | 03/09/2004 |
| 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 |
| 6362909 | Line powering shelf for data transmission line A system for transmitting data signals across a data transmission line in accord with a specified digital data transport protocol utilizes a powering shelf for powering the line. To that end, the line electrically couples the powering shelf with a signal ... | 03/26/2002 |
| 5929770 | Electronic device for the remote displaying of information An electronic device for remotely displaying information includes a central control unit in connection with a plurality of electronic labels (4) through a communication network made up of a plurality of nodes (1) connected to said central unit, each node ... | 07/27/1999 |
| 5889603 | Optical drive away prevention security system The security system generally includes a key having an infrared transmitter and photocells which charge a power supply. The lock includes a pair of infrared receivers and a pair of light sources which charge the power supply in the key. The infrared trans... | 03/30/1999 |
| 5777769 | Device and method for providing high speed data transfer through a drop line of a power line carrier communication system A method and device for increasing the bandwidth of a drop line in a power line carrier communication system for facilitating high speed transmission of communication data. The drop line is divided into two sections, each containing both high frequency co... | 07/07/1998 |
| 5739938 | Optically-powered directly-modulated fiber optic link A fiber optic transmitter having a directly modulated laser diode for transmitting a modulated optical signal, a pin diode for providing a pin diode monitor current representing the output power of the laser diode, an optical power source for receiving an... | 04/14/1998 |
| 5654592 | Power supply controller The power supply unit (1) of an optical fibre telecommunications network distribution point is provided with a power supply controller. The power supply unit (1) is connected to a plurality of power supply lines in the premises of a plurality of customers... | 08/05/1997 |
| 5528409 | Fiber-optic interface system A fiber-optic data-link used to interface a remote process variable sensor/transmitter to a local process control system includes a local light source module and a remote interface module interconnected by one or more optical fibers. Energy for operating ... | 06/18/1996 |
