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| Number | Title | Issue Date |
| 7362577 | Electronic component and radiating member, and method of manufacturing semiconductor device using the component and member A method for manufacturing an electronic component device in which an electronic component and a heat dissipating member are connected by a heat conducting member, the method comprising forming one of a plate shape metallic member and a recessed metallic member on t... | 04/22/2008 |
| 7340556 | Signal switch for console and peripheral devices A signal switch for sharing a video monitor, a plurality of console devices compliant with an industry standard and one or more than one peripheral device in any of a plurality of computer systems, is provided comprising a CPU with a first memory for storing a manag... | 03/04/2008 |
| 7333003 | Power line coupler adapted for use with multiple electric power meters Devices and system for interfacing a power line communications (PLC)-enabled communication device in a building using three-phase power and two separate electric power meters are disclosed. In various embodiments, the system can include a specially-configured couple... | 02/19/2008 |
| 7319427 | Frequency diverse array with independent modulation of frequency, amplitude, and phase Method and apparatus for a frequency diverse array. Radio frequency signals are generated and applied to a power divider network. A progressive frequency shift is applied to all radio frequency signals across all spatial channels. Amplitude weighting signals are app... | 01/15/2008 |
| 7312811 | Video communication system A system and method in which two voltages are provided to a camera site. The voltages are used to power cameras having separate voltage requirements. ... | 12/25/2007 |
| 7302247 | Spread spectrum isolator A circuit package includes first and second units containing functional circuitry. At least one RF isolation link interconnects the first and second units and provides voltage isolation between the first and second units. The RF isolation link provides data between ... | 11/27/2007 |
| 7280033 | Surface wave power line communications system and method The present invention provides a system for operating a power line communications system that employs surface wave communications and conducted communications. The system is comprised of a plurality of network elements, which may take the form of repeaters, communic... | 10/09/2007 |
| 7199706 | PLC intercom/monitor A digital intercom device consistent with certain embodiments uses power line communication (PLC). A power line interface connects to a power line serving as a communication medium. An audio codec is coupled to the power line interface for encoding and decoding digi... | 04/03/2007 |
| 7146632 | Interactive information aggregator for an interactive television system An interactive information aggregator is provided for off-broadcast access to trigger information, which can include interactive television triggers, accompanying content and data, network addresses. The aggregator can be implemented in an interactive television sys... | 12/05/2006 |
| 7079175 | Television intercom system A television intercom system need not prepare two kinds of electric power source adaptors even when it is equipped with an expanded monitor master station, and need not either use an electric power source adaptor having a large capacity. In the television intercom s... | 07/18/2006 |
| 7035955 | Blade server adapter card A modular information handling system includes a KVM management card. The KVM management card manages KVM communication with associated blade servers and allows access to KVM signals from each of the associated blade server through a VGA connector, a first PS2 conne... | 04/25/2006 |
| 7003612 | PC switching device selectively switching between an input device and a plurality of computers having different electric power control mechanisms This invention is to provide a PC switching device which can be applied to various kinds of PC's, some of which have an electric power control method different from the others. When a plurality of PC's 621–624, the power of which are controlled by po... | 02/21/2006 |
| 6948184 | System and method for calibrating power level during initial ranging of a network client device A system and method for calibrating power level during initial ranging of a network client device, such as cable modem facilitates communications between a network client device and a network device such as a cable modem termination system. The method includes divid... | 09/20/2005 |
| 6934792 | Computer switch able to switch connections between an input device and a plurality of computers connected thereto either from the input device or from the computer A computer switch, for connecting an input device to a plurality of computers, which comprises a switching-command receiving unit for selecting from a plurality of computers a desired computer other than a computer which is currently actively connected with the inpu... | 08/23/2005 |
| 6915362 | System to aggregate keyboard video mouse (KVM) control across multiple server blade chassis A system for externally controlling keyboard video monitor (KVM) functions within a server blade architecture. The system includes an external KVM controller and a server blade chassis coupled to the external KVM controller. The server blade chassis includes a serve... | 07/05/2005 |
| 6909943 | System for power delivery over data communication cabling infrastructure A system for generating, delivering and distributing electrical power to network elements over a data communication network infrastructure within a building, campus or enterprise. Consolidating power distribution and data communications over a single network simplif... | 06/21/2005 |
| 6901605 | Cable broadcasting system In a cable broadcasting system of the invention capable of setting output or stop of broadcasting-signals from tap output terminals of a tap device in response to a command signal transmitted by a center equipment, when demand for output setting for many tap devices... | 05/31/2005 |
| 6877166 | Intelligent power level adjustment for cable modems in presence of noise A technique is disclosed for selectively adjusting the power and/or frequency of cable modems without relying solely on the most recent measurement of these values to determine whether a change is necessary. Rather, it considers multiple recent measurements and from... | 04/05/2005 |
| 6836898 | Subscriber power module for CATV customer interface equipment A CATV system has a multitude of customer interfaces which include an external unit and an internal unit. The units includes equipment for signal conditioning, cable to telephone interface, and/or cable to computer interface. The internal unit is provided with power... | 12/28/2004 |
| 6785908 | Tap device of cable broadcasting system A power supply circuit in the tap device includes a first power supply circuit for generating a first power voltage of DC 24V to drive output switching relays, and a second power supply circuit for generating a second power voltage of DC 5V to be supplied to a recei... | 08/31/2004 |
| 6772437 | Cable modems and systems and methods for identification of a noise signal source on a cable network Cable modems are provided for measuring a noise signal power level on the upstream side of the cable network. The cable modem may be configured to make the signal power measurements at a variety of frequencies and at a selected bandwidth during a specified test time... | 08/03/2004 |
| 6694517 | Broadband communication network with low power addressable tap system for controlling subscriber access A broadband telecommunication network (such as a cable television distribution system) includes a plurality of switching units (such as taps) controlling subscriber access to the network. The switching units are controlled from a central location (such as... | 02/17/2004 |
| 6694516 | Method used in a telecommunication network, termination unit realizing the latter and a telecommunication network including such a termination unit The method is used in a telecommunication network wherein a central station (CS) is coupled to a plurality of residences (R1,R2,R3). One of the residences (R3) includes a termination unit (TU) which is coupled to the central station (CS) via a first port ... | 02/17/2004 |
| 6557170 | Keyboard, mouse, video and power switching apparatus and method A KVM switch is disclosed having on screen display (OSD) circuitry coupled to a user workstation for providing a user a convenient interface by which to operate the KVM switch. First switching circuitry coupled to a plurality of computers and coupled to t... | 04/29/2003 |
| 6393607 | AC port device for cable television tap A cable television tap (500) for receiving a forward signal including an information signal and a power signal. The tap (500) includes a diplex filter (520) for receiving the forward signal and for separating the information signal from the power signal a... | 05/21/2002 |
| 6233235 | Packet telephony power management A system (10) and method for packet telephony power management of a cable distribution network (20), i.e., a hybrid fiber coax (HFC) communication system, for internet protocol (IP) packet telephony information between multiple cable modem subscriber unit... | 05/15/2001 |
| 6069556 | Interface device bi-directional connection of currents carrying low voltage/radiofrequency The invention concerns an interface device of bi-directional connection of current carrying low voltage/radio frequency. It includes a module for coupling currents carrying low voltage/radio frequency delivering in reception signals (rcp) representing rec... | 05/30/2000 |
| 5893024 | Data communication apparatus and method thereof A method and apparatus for reducing ingress noise (304) in the upstream frequency band and reducing power consumption in a cable communication system (200) by not allowing signals generated in the customer premise (104) to enter the upstream frequency ban... | 04/06/1999 |
| 5845190 | Cable access device and method An access device having an input port for connecting to an upstream section of a coaxial distribution cable and an output port for connecting to a downstream section of a coaxial distribution cable, and provides isolation of an RF communication signal fro... | 12/01/1998 |
| 5781844 | Method and apparatus for distributing a power signal and an RF signal A method and system for distributing multimedia signals to a subscriber from a headend unit using a tap. The multimedia signals are transmitted on a network media as a composite RF and AC signal. A tap is upgraded by with a circuit that separates the AC f... | 07/14/1998 |
| 5778303 | Multiplexed audio-video signal transmission system through pair-wire A multiplexed audio-video signal transmission system has a camera-equipped intercom which produces a balanced audio-video signal. A twisted pair-wire connected to the intercom transmits a multiplexed signal of audio signal, video signal modulated to a fre... | 07/07/1998 |
| 5764734 | Method and system for controlling access to a channel The present invention provides a method and apparatus for controlling power consumption and access to telephone channels (36) in a cable telephony system (10). The system (10) has two subsystems for limiting power and access, one, when a telephone (40) is... | 06/09/1998 |
| 5726980 | Time division duplex communications repeater A repeater for use with Time Division Duplex (TDD) communications such as CT2 delivered over mains electricity cables. The repeater is coupled to a mains cable via a branch (the cable is not broken) and in alternate TDD phases converts signals from f... | 03/10/1998 |
| 5712614 | Power line communications system A power line communications system in which information signals are frequency multiplied in a transmitter unit, so that the critical information portions of the information signals are frequency shifted from a notch in the frequency response characteristi... | 01/27/1998 |
| 5664002 | Method and apparatus for providing power to a coaxial cable network A fiber optic/coaxial cable telephony network including power. Power is supplied through the coaxial cable portion of the video network to a cable network unit where the power is converted and supplied to the equipment including customer premises equipmen... | 09/02/1997 |
| 5661802 | Auxiliary power and telephone signal distribution system A telephone and auxiliary power distribution system in a building has a flexible multi-conductor signal and power distribution cable; which cable originates from a central signal & power management facility located near the point where the telephone utili... | 08/26/1997 |
| 5659350 | Operations center for a television program packaging and delivery system An Operations Center for television entertainment systems that provide television programming to consumer homes is disclosed. The Operations Center organizes and packages television programming and program information for delivery to and from consumer hom... | 08/19/1997 |
| 5615246 | Method and apparatus for spurious signal detection and disconnection in a hybrid fiber/coax network architecture A device for detecting the presence of spurious energy on a bus based network. The device identifies the subscriber location which is the source of spurious energy and includes disconnection capability to remove that subscriber location from the network.... | 03/25/1997 |
| 5532734 | Method of transmitting picture data from a transmitter to a selected receiver Method of transmitting picture data from a transmitter to a selected receiver. The picture data to be transmitted are split up into specific picture data intended for an individual receiver and common picture data intended for a plurality of receivers. Th... | 07/02/1996 |
| 5345592 | Signal transfer and power delivery system for a television camera station A television production system provides both signaling and power over a single coaxial cable between a television control station and a remote camera station. The control station includes a power delivery unit for coupling with the coaxial cable for deliv... | 09/06/1994 |
