Microsemi Corp-analog Mixed Signal Group, Ltd.

Powerdsine, Ltd.

Cisco Technology, Inc.

Powerdsine Ltd. - Microsemi Corporation

Zooz Power Ltd

Chakratec Ltd.

Motorola Corporation

Rit Technologies Ltd.

David Pincu

Dror Korcharz

Ilan Atias

Amir Lehr

Alon Zeev Ferentz

Yair Darshan

Roni Blaut

Simon Kahn

Ilan Ben David

Nir Zohar

Shimon Elkayam

Nadav Barnea

Yuval Berson

Arkadiy Peker

Yaniv Giat

Daniel Feldman

Ezra Koper

Tamir Langer

Gadi Shirazi

Iian Atias

Chanoch Kahn

Raanan Levi

Haim Epstein

Eyal Fayne

Ofer Bengal

Noam Tziony

A station constituted of: a control circuit; a first and a second bi-directional converter, each in communication with the control circuit, each arranged to be coupled to a respective plug-in electrical vehicle at a respective first port thereof; and a connection to an AC grid, wherein the control circuit is arranged to: draw electrical energy from a first plug-in electrical vehicle coupled to the first port of the first bi-directional converter; and provide at least some of the drawn electrical energy to a second plug-in electrical vehicle coupled to the first port of the second bi-directional converter.

System and method for plug-in vehicle to plug-in vehicle charging

A station constituted of: a control circuit; a bidirectional interface coupling to an AC grid; one of a load and an arrangement for coupling to a load, the load presenting a time varying electrical energy consumption to the station; and a plurality of flywheel based electrical storage units coupled to the bidirectional interface, wherein the control circuit is arranged to: in the event that the power drawn by the station is less than a first threshold value, and the plurality of flywheel based electrical storage units are not fully charged, charge at least one of the plurality of flywheel based electrical storage units; and in the event that the power drawn by the station is greater than a second threshold value, and the plurality of flywheel based electrical storage units are not fully discharged, provide electrical energy from at least one of the plurality of flywheel based electrical storage units.

System and method for a station providing grid support

A power control subsystem for controlling the supply of power transmitted to at least one node over communication cabling, the power control subsystem comprising: a plurality of references; a plurality of comparators, each of the comparators being associated with a particular one of the plurality of references; and a current limiter in communication with the plurality of comparators and arranged to limit current of the power transmitted over communication cabling responsive to the plurality of comparators.

Power control subsystem with a plurality of current limit values

A stabilization system for a rotating load, such as a flywheel, includes a mechanical bearing to continuously support a shaft of the rotating load so as to hold the shaft at a substantially fixed axis of rotation. A magnetic stabilization assembly includes a plurality of electromagnets arranged around the shaft. Control circuitry for controls a resultant magnetic field generated by the electromagnets such that the magnetic field acts on a ferromagnetic element of the shaft to reduce imbalance forces acting on the shaft.

Magnetically coupled flywheel

A telecommunications outlet providing location identification in a local area network, the telecommunications outlet constituted of: a network side connection adapted to be connected to a networking device via horizontal cabling; a data terminal side connection adapted to be connected to a data terminal equipment; a control circuitry; a memory adapted for storage of multi-bit data; a transmitter in communication with the memory; and a first switch responsive to the control circuitry, the first switch arranged in a first mode to connect data from the network side connection to the data terminal side connection and in a second mode to connect data from the transmitter to the network side connection and disconnect data from the network side connection to the data terminal side connection.

System and method for location identification

A driving arrangement for a plurality of light emitting diodes (LEDs), the driving arrangement constituted of: a plurality of serially connected first LEDs coupled to a source voltage; a plurality of first electronically controlled switches, each associated with a particular one of the plurality of serially connected first LEDs and arranged to provide, when closed, a bypass current path for the associated first LED; and a control circuitry coupled to a control terminal of each of the plurality of first electronically controlled switches, the control circuitry operative to close a number of the plurality of first electronic switches, the number responsive to a voltage level of the source voltage.

LED string driver with light intensity responsive to input voltage

An electronically controlled method of controlled enabling and disabling of ports, the method constituted of: receiving a message responsive to an access event, the message comprising an identifier of the accessing party and an indication of the access event; determining at least one power over Ethernet supplying port associated with the identifier of the accessing party; and enabling, in the event the indication of the access event is of entry, the determined at least one power over Ethernet supplying port associated with the identifier of the accessing party; and disabling, in the event the indication of the access event is of exit, the determined at least one power over Ethernet supplying port associated with the identifier of the accessing party.

Power over ethernet port enabling and disabling responsive to access control system

A system for location identification in a local area network comprising: a current limited voltage source; a telecommunications outlet; communication cabling connecting the current limited voltage source to the telecommunications outlet; and a location identifier associated with the telecommunications outlet, the location identifier being responsive to a pre-determined voltage level from the current limited voltage source to transmit a multi-bit location data. In one embodiment the multi-bit location data is received at the power sourcing equipment and in another embodiment the multi-bit location data is received at a data terminal equipment connected to the telecommunications outlet.

A method of controlling a power over Ethernet system, the method comprising: sequentially powering a plurality of powered devices over communication cabling; determining a first total power consumption responsive to the powering of the plurality of powered devices; in the event that the determined first total power consumption exceeds a predetermined maximum power level, disabling power from at least one of the powered plurality of powered devices thereby reducing power consumption to less than the predetermined maximum power level; responsive to the disabling power, defining a connection power limit lower than the maximum power level by a guard band; monitoring a second total power consumption subsequent to the disabling power; and enabling power to a powered device only in the event the monitored second total power consumption is less than the connection power limit.

Reduced guard band for power over Ethernet

A system and method for power over Ethernet comprising: a plurality of power over Ethernet supplying ports; and a management station in communication with each of the plurality of power over Ethernet supplying ports, the management station being operative to: disable at least one first power over Ethernet supplying port of the plurality of power over Ethernet supplying ports on a predetermined scheduled basis. Preferably the management station is further operative to: receive an entry indication; and enable the disabled at least one first power over Ethernet supplying port responsive to the received entry indication.

Method for scheduled power over ethernet port disabling and override mechanism

A power control subsystem for controlling the supply of power transmitted to at least one node over communication cabling, the power control subsystem comprising circuitry to control current of a power transmitted over communication cabling, the circuitry being operative to provide current limiting for the power at a first threshold, and delayed over current cut-off of the power at a second threshold, the second threshold being lower than the first threshold.

Power control subsystem for powering a node over communication cabling

A fault detection mechanism for a LED string comprising a plurality of serially connected LEDs, the fault detection mechanism comprising: a control circuitry; and a voltage measuring means, in communication with the control circuitry, arranged to measure the voltage drop across at least one LED of the LED string, the control circuitry being operable to: measure the voltage drop, via the voltage measuring means, at a plurality of times, compare at least two of the measured voltage drops, and in the event the comparison of the at least two voltage drops is indicative of one of a short circuit LED and an open circuit LED, output a fault indicator.

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Holon, Israel

David Pincu