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| Number | Title | Issue Date |
| 8174212 | LED string driver with light intensity responsive to input voltage 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 p... | 05/08/2012 |
| 8169252 | Low voltage drop closed loop unidirectional electronic valve A low voltage drop unidirectional electronic valve constituted of: a first terminal; a second terminal; a first electronically controlled switch coupled between the first terminal and the second terminal; and a first charge pump arranged to close the first electroni... | 05/01/2012 |
| 8169150 | Powering and controlling light emitting diodes via thermally separated arrays of dissipative active elements A chipset for powering and controlling a plurality of light emitting diode (LED) strings. The chipset includes a controller having a pulse width modulating (PWM) functionality and a data transfer interface circuitry; and at least one dissipative active element array... | 05/01/2012 |
| 8160753 | Time integrated guard band An automated method of controlling a power managed system, such as a power over Ethernet system. The method is constituted of: establishing a power consumption budget for a plurality of loads; defining an overbudget limit and an associated time window; monitoring po... | 04/17/2012 |
| 8159139 | Color and intensity control over power wires A control element for a luminaire constituted of a first and a second manually variable non-momentary impedance and a first and a second time dependent gating circuit, each responsive to a respective manually variable non-momentary impedance and operative to provide... | 04/17/2012 |
| 8149602 | Method and apparatus for detecting end of start up phase A PSE configured to determine the end of the start up phase at the PD responsive to a condition of the voltage at the PSE output. In one particular embodiment, the startup phase end is determined responsive to a PSE output voltage within a predetermined range of the... | 04/03/2012 |
| 8134556 | Method and apparatus for real-time 3D viewer with ray trace on demand A computer implemented method of providing a photo-realistic view on demand of a real-time interactive three dimensional simulation, the method comprising: providing a real-time interactive three dimensional simulation; selecting a camera position; and ray tracing t... | 03/13/2012 |
| 8115460 | Power conversion with zero voltage switching A power converter constituted of: a control circuitry; a first electric coil; a first electronically controlled switch associated with the first electric coil and responsive to the control circuitry, the first electronically controlled switch arranged to charge the ... | 02/14/2012 |
| 8093839 | Method and apparatus for driving CCFL at low burst duty cycle rates A cold cathode fluorescent lamp controller constituted of a pulse generator exhibiting a cycle period; a burst dimming control operative to set a burst dimming duty cycle for the pulse generator; a comparator arranged to receive a signal indicative of the value of c... | 01/10/2012 |
| 8079710 | Dual position ophthalmic apparatus An ophthalmic apparatus exhibiting a first position and a second position related by a rotation of 180° about a longitudinal axis. Automatic detection of the position is preferably provided, and the results of the detection are communicated to a computing unit port... | 12/20/2011 |
| 8073110 | System and method for location identification 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 as... | 12/06/2011 |
| 8063516 | Four quadrant MOSFET based switch An electronically controlled four quadrant MOSFET based switch in which a pair of drivers are provided in cooperation with a MOSFET. A first one of the drivers is arranged such that when current flow through the MOSFET is to be enabled responsive to a first conditio... | 11/22/2011 |
| 8031210 | Method and apparatus for creating a composite image A method of rendering a computer generated 3D scene integrated with a base image, the method comprising loading a base image, such as a photograph, and a computer generated 3D scene or model. The base image is displayed on a monitor, and in one embodiment the calibr... | 10/04/2011 |
| 8022635 | CCFL controller with multi-function terminal A cold cathode fluorescent lamp controller exhibiting a multi-function terminal and operative alternately in a strike mode and a run mode, the controller comprising: a phase locked loop arranged for synchronization of an oscillator, associated with the controller, w... | 09/20/2011 |
| 8008867 | Arrangement suitable for driving floating CCFL based backlight A backlighting arrangement constituted of: a means for receiving an alternating current comprising a first lead and a second lead; at least one luminaire; and at least one first balancing transformer pair each associated with a particular one of the at least one lum... | 08/30/2011 |
| 8008864 | Single LED string lighting A solid state lighting unit constituted of: a control circuitry; a single string of light emitting diodes, the single string constituted of a plurality of sections each comprising a plurality of light emitting diodes; and a plurality of bypass paths each responsive ... | 08/30/2011 |
| 7990072 | Balancing arrangement with reduced amount of balancing transformers A backlighting arrangement constituted of: a driving transformer; at least one balancing transformer; a plurality of luminaires, a first end of each of the plurality of luminaires connected to a high voltage lead of the driving transformer and a second end of each o... | 08/02/2011 |
| 7978192 | Method and apparatus for evaluating sight distance A method of sight distance analysis comprising: acquiring a scene-graph representation comprising three dimensional entities; acquiring at least one three dimensional object representation within the scene graph environment; acquiring a target object representation;... | 07/12/2011 |
| 7977928 | Method and apparatus for modifying right half-plane zero in a cascaded DC-DC buck-boost converter A method to generate a substantially DC output having a voltage level different than a DC input, constituted of receiving a feedback signal representing at least one of the voltage level and the current level of the generated substantially DC output; relatively emph... | 07/12/2011 |
| 7977888 | Direct coupled balancer drive for floating lamp structure A backlighting arrangement constituted of a driving transformer arrangement; a plurality of lamp pairs, each of the constituent lamps of the plurality of lamp pairs exhibiting a first electrical connection and a second electrical connection; and a plurality of balan... | 07/12/2011 |
| 7970212 | Method for automatic detection and classification of objects and patterns in low resolution environments The invention is a method of using Wavelet Transformation and Artificial Neural Network (ANN) systems for automatic detecting and classifying objects. To train the system in object recognition different images, which usually contain desired objects alongside other o... | 06/28/2011 |
| 7969430 | Voltage controlled backlight driver A system for powering and controlling an LED backlight, the system comprising: a control circuitry; a controllable power source responsive to the control circuitry; and a plurality of LED strings receiving power from the controllable power source, the control circui... | 06/28/2011 |
| 7963924 | Heart simulator A development system for a cardiac pacemaker control system, the development system comprising: a cardiac pacemaker prototype including an adaptive control system; and a heart simulator in communication with the cardiac pacemaker prototype comprising: a means for re... | 06/21/2011 |
| 7928856 | Method of sampling a modulated signal driven channel An automated method of sampling an electrical condition of each of a plurality channels, the method comprising: driving each of the plurality of channels with a modulated signal; providing a settable flag associated with each of the plurality of channels; selecting ... | 04/19/2011 |
| 7928662 | Voltage range extender mechanism An extended voltage range LED string driver comprising: an electronically controlled switch exhibiting a first port, a second port and a control port; a source of predetermined voltage connected to the control port of the electronically controlled switch; an LED str... | 04/19/2011 |
| 7924092 | Inter-stage matching network to enhance common mode stability A two stage amplifier with an inter-stage matching network constituted of a first and a second transistor forming a differential first stage, a third and a fourth transistor forming a differential second stage, an on-chip connection path connecting the emitters of t... | 04/12/2011 |
| 7923943 | Secondary side post regulation for LED backlighting A secondary side post regulator arrangement for a plurality of LED strings. For each secondary winding, a first electronically controlled switch is provided arranged to control the power output, and a LED string is connected thereto. A second electronically controll... | 04/12/2011 |
| 7917223 | Self powered osteogenesis and osseointegration promotion and maintenance device for endosseous implants Osteogenesis and osseointegration promotion and maintenance devices for osseous implants include an implant member having a first electrode, an inlaid second electrode positioned on the member so that it is electrically isolated from and substantially flush with the... | 03/29/2011 |
| 7915981 | Coaxial-to-microstrip transitions Coaxial-to-microstrip transitions may include a microstrip line and coaxial-line assembly. The microstrip line includes a first dielectric having an aperture, a conductive strip disposed on one primary face of the first dielectric, and a ground plane disposed on the... | 03/29/2011 |
| 7906868 | Fine tuned multiple output converter A secondary side voltage regulation scheme applied to a multiple output flyback converter. The output with the highest error voltage is selected to control the primary switch. The remaining outputs are regulated by varying the length of time that current is allowed ... | 03/15/2011 |
| 7895456 | Reduced guard band for power over Ethernet 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; ... | 02/22/2011 |
| 7849343 | Pre-detection of powered devices A method and apparatus for preventing harmful transients resulting from a probing routine for a valid powered device detection signature in a network, the method comprising: operating power sourcing equipment to provide via its output port a pre-detection output vol... | 12/07/2010 |
| 7847275 | Method and apparatus for teletherapy positioning and validation A patient treatment arrangement is provided which includes a fixed beam irradiation source; and a patient positioning apparatus, the patient positioning apparatus comprising: a support member; a patient securing mechanism arranged to secure a patient to the patient ... | 12/07/2010 |
| 7852019 | Using a triangular waveform to synchronize the operation of an electronic circuit An electronic circuit exhibiting synchronization with an external synchronization signal, the electronic circuit comprising: an input connection arranged to receive a synchronization input signal; a triangular waveform oscillator operatively associated with the sync... | 12/14/2010 |
| 7814357 | Method for scheduled power over ethernet port disabling and override mechanism 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: disabl... | 10/12/2010 |
| 7813752 | Power control subsystem for powering a node over communication cabling 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 oper... | 10/12/2010 |
| 7812297 | Integrated synchronized optical sampling and control element An optical sampling and control element for use with a luminaire exhibiting a cycle and a frame, the optical sampling and control element being constituted of a color sensor in optical communication with the luminaire; and a sampler connected to the outputs of the c... | 10/12/2010 |
| 7804362 | Distributed amplifier with negative feedback A distributed amplifier may include an input transmission line for receiving on an input end an input signal, and an output transmission line for outputting on an output end an output signal. A plurality of amplifier stages may be coupled between intermediate positi... | 09/28/2010 |
| 7800876 | Fault detection mechanism for LED backlighting 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... | 09/21/2010 |
| 7796730 | Irradiation treatment apparatus and method The present disclosure provides an irradiation treatment apparatus having a generally vertical patient support surface; a patient securing mechanism arranged to secure a patient in a fixed relation to the patient support surface; a rotation platform secured at one e... | 09/14/2010 |