Power Control Patents (Class 340/425.2)
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Patent number: 11007881Abstract: A transmission device includes a pair of terminals connected to an electrical coupler via a pair of signal lines, a transmission unit connected to the pair of terminals via a pair of capacitors, a direct-current (DC) power supply connected in series between the pair of terminals without interposition of the pair of capacitors, and switches disposed on opposite sides of the DC power supply. A transmission device includes a pair of terminals connected to an electrical coupler via a pair of signal lines, a reception unit connected to the pair of terminals via a pair of capacitors, a load resistor and inductances connected in series between the pair of terminals without interposition of the pair of capacitors.Type: GrantFiled: October 24, 2016Date of Patent: May 18, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Tetsuya Shigeeda
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Patent number: 9990020Abstract: Described herein are systems, devices, techniques and products for minimizing disruption to network systems due to false detection of a Power over Ethernet (PoE) Power Sourcing Equipment (PSE) as a Powered Device (PD). The disclosed systems, devices, techniques and products provide a way for a PSE to identify itself and avoid being detected as a legacy PD. The disclosed systems, devices, techniques and products further provide a way for a PSE to identify devices that do not require power from the PSE, such as another PSE or a device that is not a PD, and disable automatic PD detection, disable PoE, or otherwise prevent injection of power/current to the other device.Type: GrantFiled: July 7, 2015Date of Patent: June 5, 2018Assignee: ARUBA NETWORKS, INC.Inventors: Kapil Jain, Nitin Agrawal, Arunachalaprabhu Gunasekaran, Rangaswamy Ramaswamy, Ritesh Kapahi
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Patent number: 9030309Abstract: A vehicle having an item detection system is provided having at least one indicator for selectively emitting an alarm when activated, a vehicle alarm control module, at least one radio frequency identification (“RFID”) tag, and a radio frequency (“RF”) interrogator. The vehicle alarm control module is in communication with the at least one indicator and includes control logic for sending an activation data signal to the at least one indicator to selectively activate the at least one indicator. The RFID tag is configured for receiving a query RF signal and transmitting a reply RF signal upon receipt of the query RF signal. The RF interrogator is in communication with the vehicle alarm and is located within a specified distance of the RFID tag. The RF interrogator has a processor, and includes control logic for transmitting the query RF signal to the RFID tag.Type: GrantFiled: August 8, 2011Date of Patent: May 12, 2015Assignee: GM Global Technology Operations LLCInventors: Timothy J. Grost, Matthew M. Highstrom
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Patent number: 8914012Abstract: A system and method for monitoring apps in a vehicle to reduce driver distraction is disclosed. A controller operating inside or in combination with the head unit of the vehicle may monitor operation of the vehicle, and generate alerts indicative of operation of the vehicle (such as an alert indicative that the vehicle is operating at a predetermined speed). In response to the alert, the operation of the app in the vehicle may be modified.Type: GrantFiled: March 8, 2013Date of Patent: December 16, 2014Assignee: Excelfore CorporationInventors: John Edward Crosbie, Anoop Balakrishnan, Shrikant Acharya, Shrinath Acharya
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Patent number: 8786401Abstract: An extendable flush door handle assembly for a door or liftgate of a vehicle includes a base portion and a handle portion movably attached to the base portion. The handle portion is movable between a recessed position, where the handle portion is at least partially received in the base portion, and a partially extended position, where the handle portion extends partially outward from the base portion and is graspable by a user. The handle portion is moved from the recessed position to the partially extended position responsive to a trigger, such as a signal from a key fob or a passive entry system or a vehicle door unlock button or the like. The handle portion, when in its recessed position, is at least partially received in the base portion so as to be not readily graspable by a user until the handle portion is moved toward its partially extended position.Type: GrantFiled: December 22, 2010Date of Patent: July 22, 2014Assignee: Magna Mirrors of America, Inc.Inventors: Justin E. Sobecki, Keith D. Foote, Eric S. Deuel
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Patent number: 8774707Abstract: A wireless node that bridges a wireless communications gap between a first wireless device, such as a smart meter, and a wireless network, such as a smart grid network, by repeating wireless communications received by the wireless node. The wireless node is integrated with another powered device common to buildings to provide a clandestine improvement to wireless communications. Additionally, the wireless node may effect testing of the powered device and provide results of the test wirelessly to remote devices. The wireless node may take the form of an exit sign, an emergency light, a speaker, and a combination of one or more of these devices. The wireless node may also track power consumption of the repeater portion of the wireless node to provide billing credit to power consumers.Type: GrantFiled: December 16, 2011Date of Patent: July 8, 2014Assignee: Silver Spring Networks, Inc.Inventors: George Flammer, III, Eli Marlin
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Patent number: 8760295Abstract: A wound dressing includes a substrate, an optical energy emitting device, and a radio frequency receiving device. The substrate is configured to engage biological tissue of a patient. The optical energy emitting device is attached to the substrate, and the radio frequency receiving device is electrically coupled with the optical energy emitting device. The radio frequency receiving device is configured to capture energy from radio frequency transmissions. The radio frequency receiving device is further configured to direct at least a portion of the energy to the optical energy emitting device. Upon receipt of the energy from the radio frequency receiving device, the optical energy emitting device is configured to emit light onto biological tissue of a patient.Type: GrantFiled: September 16, 2009Date of Patent: June 24, 2014Assignee: Avery Dennison CorporationInventor: Ian J. Forster
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Patent number: 8494439Abstract: A method of operating a personal electronic device and an in-vehicle infotainment system includes running an application on one of the personal electronic device and the in-vehicle infotainment system. It is sensed that the personal electronic device has been, or soon will be, moved into or out of a proximity of the in-vehicle infotainment system. Information regarding a state of the one of the personal electronic device and the in-vehicle infotainment system is transferred to the other of the personal electronic device and the in-vehicle infotainment system. An application is selected for the other of the personal electronic device and the in-vehicle infotainment system. The selected application is used to replicate the state of the one of the personal electronic device and the in-vehicle infotainment system on the other of the personal electronic device and the in-vehicle infotainment system.Type: GrantFiled: May 4, 2010Date of Patent: July 23, 2013Assignee: Robert Bosch GmbHInventor: Jens Faenger
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Patent number: 8401587Abstract: According to one embodiment, a power supply tap includes a first wireless reception module which receives a control request which is transmitted from a remote-control terminal by a first wireless signal, a power observation module which is activated in a case where the received control request includes a power information acquisition request, and observes a total amount of power including power supplied to an electric apparatus from a power output module and power consumed by a communication control module, a first wireless transmission module which transmits the observed total amount of power to the remote-control terminal by a second wireless signal, and a switch control module which turns off a switch in a case where the control request received by the first wireless reception module includes a power-off request, thereby shutting off power supply to the electric apparatus from the power output module.Type: GrantFiled: April 17, 2012Date of Patent: March 19, 2013Assignee: Kabushiki Kaisha ToshibaInventor: Takashi Minemura
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Patent number: 8400325Abstract: An exemplary temperature controlled power line device includes a cable operable to transmit power. The cable includes a core and an oxidizing layer. The core and the oxidizing layer may be in selective electrical communication so as to initiate and halt oxidation of the core. The core may oxidize as a result of a galvanic reaction and the cable may be connected to a control box. The control box may be used to monitor as well as control the oxidation of the core.Type: GrantFiled: April 6, 2010Date of Patent: March 19, 2013Inventor: John Dale Littleton
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Patent number: 8310352Abstract: While ECUs are connected with a distribution apparatus via a communication line, each of the ECUs sends status notification representing own status to the distribution apparatus. The distribution apparatus creates status information representing status of the ECUs in accordance with status notifications received from the ECUs connected with the distribution apparatus. This status information is sent to other distribution apparatuses together with data for synchronizing a database. The other ECUs perform similar operations to those of the ECUs, while the other distribution apparatuses perform similar operations to those of the distribution apparatus. Therefore, each of the distribution apparatuses can recognize the status of all the ECUs.Type: GrantFiled: August 22, 2008Date of Patent: November 13, 2012Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventor: Yukihiro Miyashita
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Patent number: 8306526Abstract: In order to improve the reduction of interference among cells such as pico cells and ease operations of arranging and controlling the cells, a wireless communication area measuring apparatus includes: a signal measuring unit for calculating wireless environment indicators at measuring points based on measured data of received signal strength indicators of a plurality of base stations; a transmission power determination unit for adjusting transmission power of the base stations based on margins of the received signal strength indicators; and a display unit for outputting adjustment results of the transmission power of the base stations.Type: GrantFiled: March 28, 2008Date of Patent: November 6, 2012Assignee: KDDI CorporationInventor: Kenya Yonezawa
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Patent number: 8073570Abstract: An unified controller for controlling a plurality of air-conditioning systems which are capable of air-conditioning individual air-conditioning rooms of a building using different schemes. The unified controller is located under a Building Management System (BMS) controller which simultaneously manages a plurality of systems corresponding to arrangements of the building, and simultaneously controls a multiple air-conditioning system acting as one of the air-conditioning systems and a central air-conditioning system acting as the other one of the air-conditioning systems using a single control command. The unified controller performs error correction, addition of a new function, and update of pre-loaded functions upon receiving a request from the remote controller.Type: GrantFiled: May 21, 2008Date of Patent: December 6, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Suhgoo Kim, Tanabe Takeshi, Hyeong Joon Seo, Gyoung Rok Kim, Jae Hyo Jeong
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Patent number: 8059576Abstract: The present invention concerns analog signal repeater system solutions of the general kind. It concerns in particular stability with analog signal repeater systems.Type: GrantFiled: January 10, 2005Date of Patent: November 15, 2011Inventor: Geir Monsen Vavik
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Publication number: 20110121955Abstract: This invention related to a kind of energy-saving control circuit connected between the electrical appliance and commercial power for turning on and off the power supply of the electrical appliances, said energy-saving control circuit comprises a relay control circuit for connecting and disconnecting the power supply of the electrical appliance; a main control module; a power conversion module; a circuit for collecting working current signals; said energy-saving control circuit further features: comprising at least a remote induction circuit at least provided with features of induction and receiving of remote signals, said remote induction circuit is connected to the main control module, said main control module, after said remote induction circuit received remote signals, will export control signals to the relay control circuit for connecting the power supply of the electrical appliance.Type: ApplicationFiled: October 8, 2010Publication date: May 26, 2011Applicant: NINGBO HUADIAN ENVIROTECH CO., LTD.Inventor: BING QIN
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Patent number: 7724650Abstract: Wired data telecommunications networks can make advantageous use of a communications capability between and among more than two network devices. Such capabilities may be utilized in providing redundancy of data and/or inline power capabilities from a pair of network devices to a third network device receiving the redundant capability. Impedance modulated communications are provided in a wired data telecommunications network among at least a first, second and third network device coupled together via a Y device. The Y device couples the three network devices (higher order Y devices could couple more than three devices) allowing monitoring of communications and inline power provision so that one of the network devices may act in response to monitored conditions by communicating via impedance modulated communications with one or both of the other network devices.Type: GrantFiled: June 15, 2005Date of Patent: May 25, 2010Assignee: Cisco Technology, Inc.Inventor: Roger A. Karam
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Publication number: 20100079265Abstract: While ECUs are connected with a distribution apparatus via a communication line, each of the ECUs sends status notification representing own status to the distribution apparatus. The distribution apparatus creates status information representing status of the ECUs in accordance with status notifications received from the ECUs connected with the distribution apparatus. This status information is sent to other distribution apparatuses together with data for synchronizing a database. The other ECUs perform similar operations to those of the ECUs, while the other distribution apparatuses perform similar operations to those of the distribution apparatus. Therefore, each of the distribution apparatuses can recognize the status of all the ECUs.Type: ApplicationFiled: August 22, 2008Publication date: April 1, 2010Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Yukihiro Miyashita
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Publication number: 20090184810Abstract: A signal repeater for receiving and re-transmitting signals from environmental transducers and the like, and for mechanically and electrically cooperating with existing electrically powered fixtures. More particularly, the present invention includes a housing unit for mechanically and electrically coupling to the powered fixture, a transceiver unit, and a first power supply electrically connected to the transceiver circuit and housed by the housing unit. The repeater is adapted to maintain the functionality of the fixture.Type: ApplicationFiled: November 19, 2008Publication date: July 23, 2009Inventor: Lawrence Kates
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Patent number: 7421290Abstract: A power supply subsystem configured for connection between a LAN switch and at least one node, the power supply subsystem providing electrical power to the at least node over communication cabling, the power supply subsystem comprising: a management and control unit; at least one port for connection to a LAN switch; a combiner combining power into the communication cabling substantially without interfering with data communication between the LAN switch and the at least one node; and current limiting circuitry controlling current of the power delivered into the communication cabling via the combiner, wherein the management and control unit is operative to interrogate the at least one node to which it is intended to transmit power over the communication cabling in order to determine whether the node's characteristics allow it to receive power over the communication cabling.Type: GrantFiled: July 19, 2004Date of Patent: September 2, 2008Assignee: Microsemi Corp.—Analog Mixed Signal Group Ltd.Inventors: Amir Lehr, Ilan Atias, Dror Korcharz, David Pincu
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Patent number: 7271597Abstract: An electronic device has a first signal path, a first power supply path, and a connector that transmits to an external device the input signal on which the voltage has been superposed. The device also has a first power supply switch inserted into the first power supply path and an amplitude detector that detects at the connector an amplitude of the input signal, a control section that determines, based on a detection output from the amplitude detector, which a connection condition of the external device to the connector is a first condition in which the external device is not connected to the connector or a second condition in which the external device is connected to the connector. Based on the connection condition, the control section turns on or off the first power supply switch.Type: GrantFiled: October 23, 2006Date of Patent: September 18, 2007Assignee: Sony CorporationInventor: Takashi Takano
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Patent number: 7233242Abstract: A transmit antenna (3) is supplied with energy by a power supply unit (2). An electrical value characteristic for the transmit power is compared to a comparison value and the length of a time interval is measured in which the characteristic value at least reaches or exceeds the comparison value. Depending on the length of this time interval the transmit power is set.Type: GrantFiled: September 29, 2004Date of Patent: June 19, 2007Assignee: Siemens AktiengesellschaftInventors: Mark Elliott, Matthias Münch, Wolfgang Reiml, Dieter Sass
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Patent number: 7212102Abstract: A system for, and method of, providing device integrated battery backup with power source monitoring and manipulation and a public safety communications infrastructure incorporating the system or the method. In one embodiment, the system includes: (1) a power supply couplable to a primary source of electric power, (2) a network interface, coupled to the power supply and configured to allow the power supply to be remotely controlled and monitored, (3) a rechargeable backup source of electric power coupled to the power supply and (4) a nonrechargeable backup source of electric power coupled to the power supply, the power supply configured to monitor the primary source and the rechargeable backup source and select one of the primary source, the rechargeable backup source and the nonrechargeable backup source based thereon.Type: GrantFiled: April 18, 2005Date of Patent: May 1, 2007Assignee: PHC LLCInventors: Henry D. Meitzen, Maurice L. Pipkin
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Patent number: 6704181Abstract: Disclosed is a “smart” power circuit protection system in which the trip level of a circuit breaker is dynamically set based upon information communicated from the load over the power lines. The system is adaptable to configurations involving multiple loads protected by a single circuit breaker, and an adapter permits loads not incorporating a “smart” current reporting capability to be included in the circuit breaker load. The invention is intended to provide additional protection against line to neutral power faults.Type: GrantFiled: January 26, 2001Date of Patent: March 9, 2004Assignee: Hewlett-Packard Development Company, L.P.Inventor: Thomas A. Saksa
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Patent number: 6687487Abstract: A repeater for use in a two way communication system for retransmitting information between a first device and a second device to help ensure reliable two way communication between the devices, comprising: a transmitter/receiver, the transmitter/receiver receiving signals from the first and second devices and transmitting the received signals for reception by the respective first and second devices; and further wherein a direct communication path for the information between the first and second devices is provided, the direct communication path being intermittently unreliable, the repeater providing an additional path for the information between the first and second devices; the repeater being spaced from said first and second devices by a specified distance, said specified distance being significantly less than a theoretical maximum communication distance thereby to ensure communication reliability.Type: GrantFiled: July 26, 1999Date of Patent: February 3, 2004Assignee: Lutron Electronics, Co., Inc.Inventors: Donald R. Mosebrook, David E. Houggy, Robert G. Palmer, Jr., Joel S. Spira
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Patent number: 6496103Abstract: A device, system and method for providing power in a secure manner to a network device connected to a network, such as an Ethernet network for example. The device is optionally implemented as an intelligent power supply, which is able to interrogate the network device before power is supplied, in order to determine the electrical capabilities of the device and/or whether the device is authorized to be connected to the network. Such an intelligent power supply preferably communicates with a low power communication device at each network device, which supplies the necessary information upon request.Type: GrantFiled: February 4, 2000Date of Patent: December 17, 2002Assignee: Congruency Inc.Inventors: Tal Weiss, Opher Yaron
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Patent number: 6233689Abstract: Methods and apparatus for providing network communications capability to a computer system in accordance with standard communication line protocols are described, including interface circuits which sense various characteristics of the communication lines to control or provide signals to control power to line drivers and/or other substantial power consuming circuitry to conserve power when communication line conditions indicate powering such circuits is not useful. Various embodiments are disclosed.Type: GrantFiled: November 8, 1999Date of Patent: May 15, 2001Assignee: Maxim Integrated Products, Inc.Inventors: Charles M. Allen, Brett J. Fox, Sui Ping Shieh, Robert Bruce Denmark