709 results about "Single lead" patented technology

A light fixture using LEDs includes a lower skin layer possessing heat transfer properties. A circuit board is affixed to the lower skin layer, and a single LED, or a plurality of LEDs, is electrically connected to the circuit board. The single LED, or plurality of LEDs, when electrically activated, emits light through substantially around a vertical axis. The light fixture also includes a core possessing heat transfer properties that is in thermal contact with the LED and has an interior cavity for the LED. The core is affixed to the lower skin layer, and an upper skin layer, containing a window or windows over the LED or LEDs, is affixed to the core. The LEDs may be white, infrared, ultraviolet, and / or colored and may be mounted on a printed circuit board or individually.

The invention provides an LED lighting device and method that produces high intensity, spatially uniform, white light in the near and far fields in a reduced package size that does not significantly heat the surrounding environment, wherein the white light is produced by using a phosphor layer in conjunction with a single LED.

The present invention is directed to an LED lighting source comprising a housing adapted for coupling to an AC power source; a rectifier circuit for converting the AC power to a DC supply; a power control circuit disposed in the housing and electrically connected to the DC supply; a string of LED's electrically connected between a control node of the power control circuit and the DC supply, the LEDs in the string being connected in series and being of a number selected to produce a voltage difference across the power control circuit sufficient to power active components of said power control circuit when powered from the DC supply and the power control circuit for limiting a forward current through the string to a nominal forward current of a single LED.

A semiconductor package exhibiting efficient placement of semiconductor leads in a micro lead frame design is provided. An integrated circuit die is bonded to the top surfaces of leads, thereby allowing the leads to partially reside under the die. As a result, surface area on the bottom surface of the semiconductor package is recaptured. The die can be further bonded a die paddle if so desired. One or more channels can be cut into the bottom surface of the package in order to separate first and second leads. Such channels allow separate leads to be fabricated from a single lead member which is subsequently cut.

An electrical connector assembly comprising a housing having an interior chamber defining at least one lead frame plane, and identical sets of non-identical lead frame elements. The lead frame plane has a reference point. The lead frame elements are mounted in the interior chamber and aligned within at least one lead frame plane. The lead frame elements are adjustable along the lead frame plane between multiple levels with respect to the reference point. The multiple mating levels of the lead frame elements are created from only one lead frame. The mating levels are selected by the individual lead frame elements being positioned with respect to the reference point. The electrical connector also comprises N lead frame elements, each of which is adjustable between M mating levels to form X lead frame configurations, wherein X=MN.

Socket arrangements for releasably mounting LEDs and light fixtures or assemblies employing such sockets are described. The socket arrangements facilitate the replacement of LEDs to replace an original LED with a brighter replacement, to change the color of the LED, to replace a single LED with a multiple chip LED, to replace a damaged or burned out LED with a new one, or the like. In further assemblies with plural LEDs, the use of ready release sockets facilitates selective replacement of an LED or LEDs and greatly enhances the flexibility of such units.

Systems and methods treat urologic dysfunctions by implanting a lead and electrode in a tissue region affecting urologic function, and implanting a pulse generator in an anterior pelvic region remote from the electrode. Bilateral stimulation of the left and / or right branches of the dorsal genital nerves using a single lead implanted in adipose or other tissue in the region at or near the pubic symphysis is able to treat urinary incontinence.

The invention provides a LED arrangement including a LED string of a series arrangement of LED segments. A LED segment includes a single LED or a series arrangement of LEDs. A switching element (12, 22) is arranged in parallel with each corresponding LED segment (10, 20) of the LED string, for controlling a current (52, 62) through the LED segment (10, 20). A capacitor (13, 23) is arranged in parallel with each corresponding LED segment (10, 20) in order to prevent the occurrence of possibly harmful current spikes while switching one or more LED segments. The LED arrangement may also include a switched-mode power supply (2001). The invention further provides a LED assembly. A plurality of such LED assemblies assembles easily into a LED arrangement according to the invention.

Methods and systems for programming a plurality of leads under at least two distinct modalities are provided. The leads may be grouped within satellites and multiple satellites may be configured within a single lead. Each lead includes a power and communications bus providing commands, and information and pulses to the satellites. The leads may be connected to at least two different command and pulse sources, optionally a cardiac pacemaker and / or a cardiac pulse analyzer system. A command may include or be preceded by a wake-up pulse that facilitates identification of a modality applicable to the associated command and data. A command may further optionally include a reference pulse or series of reference pulses, whereby the satellite references data pulses in relation to one or more aspects of the associated reference pulse. A data pulse may deliver two bits of information.

An AC driven LED light string assembly is provided possessing reduced harmonic distortion and improved electrical efficiency when one or more series blocks of LED lamps is employed. In one embodiment, there is provided an LED light string employing a capacitor coupled in parallel across the light string AC input, or end connector terminals. According to another embodiment, LED light strings are to be manufactured with a substantially equal number of light strings produced with all LEDs in forward bias (anode first) and reverse bias (cathode first). This allows true randomness when large numbers of single series block LED light strings are connected in an end-to-end manner. It is possible to apply this concept to single LED lamps having two chips where one chip is powered in reverse bias to the second chip; thereby providing self-canceling harmonics within the single LED lamp.

Systems and methods treat urinary incontinence by the bilateral stimulation of the left and / or right branches of the dorsal genital nerves using a single lead implanted in adipose or other tissue in the region at or near the pubic symphysis.

New methods for deep brain stimulation (DBS) surgery using two or more electrical leads are provided. The methods are useful for treating a wide variety of brain-associated disorders including movement-related disorders, psychiatric disorders, metabolic / eating disorders, memory disorders, and pain. Methods featuring stimulation of distinct target areas of a subject's brain, such as the thalamic ventralis intermedius (VIM) and the ventralis oralis (VOA / VOP) using multiple electrical leads for treatment of tremor provide superior clinical outcomes to stimulation with single leads implanted in these target areas.

A nozzle is provided for a fleet fuel dispensing system. The nozzle includes an input port that is adapted to receive fuel through a fuel supply hose, and a spout that is configured to dispense fuel into a fuel entry receptacle of a vehicle. A valve assembly is configured to couple the input port with the spout, and is further configured to selectively facilitate the passage of fuel from the input port to the spout. A status light is associated with the nozzle and includes a single LED that is connected with a fleet management system. The status light is configured to selectively illuminate as directed by a fleet management system. The illumination provides information as to whether a vehicle is authorized to receive fuel from the spout. A fuel dispensing system having such a nozzle is also provided.

An LED inspection lamp has plurality of LED sources for emitting electromagnetic radiation at different peak wavelengths for causing visible fluorescence in different leak detection dyes. A lens is associated with each LED. Radiation passing through lenses is superimposed in target area at target distance. Another LED inspection lamp has plurality of LEDs emitting electromagnetic radiation at a peak wavelength. A lens adaptor has lens housing for attachment to LED inspection lamp with a single LED for causing visible fluorescence, and a lens. Substantially all of the radiation from the LED passes through the lens and is focused in a target area at a target distance from the lenses. LED spot lights have a similar configuration.

A LED bulb and light module utilizes a LED light source and directs light therefrom in a manner which improves efficiency and illumination. Ideally, the LED bulb is structured to create a virtual image whereby the efficiency of light directed out of the module is greatly improved, even with a single LED light source.

Embodiments of the invention concern methods and apparatuses for deriving respiratory data from both single lead and multi-lead ECG data recordings. Other embodiments of the invention address the assessment of respiration rate from respiratory data such as respiratory data derived from ECG data. Still other embodiments of the invention address methods and apparatuses for the assessment of autonomic function. These last embodiments involve the derivation of respiratory data from ECG data, comparing the respiration rate to key threshold values, and the final derivation of one or more HRV parameters from the ECG data. The embodiments of the invention have implementations applicable to data previously recorded data as well as data recorded and processed in a real-time manner.

A flashlight has a single lamp, a power storage element, and a switch. The switch operates by being incremented through a sequence of states, and each increment may be caused an application and release of pressure. The different states correspond to different lamp brightness levels, and may include an off state. An electronic controller may be included with connections to each of a number of contacts on the switch. The lamp may be a single LED efficiently operable over a range of power and brightness levels at a consistent color output.

A method and system decomposes a cardiac signal, such as an electrocardiogram (ECG) signal, into components. The components are then usable to assist in the detection of an abnormal heart condition. More particularly, a single lead sensor is used to generate a single lead cardiac signal. The cardiac signal is segmented into a set of cycle segments according to detected heart waveforms. The cycle segments are aligned and used to generate a set of cross-sectional signals. The cross-sectional signals are aligned and presented as inputs to a signal separation process, which separates the cardiac signal into a set of components. The components may be grouped according to predefined criteria. The components or groups may be analyzed or displayed to assist in the detection of an abnormal cardiac signal, which may be indicative of an abnormal heart condition. In one example, the signal separation process is a non-orthogonal transformation method such as independent component analysis (ICA).

A LED bulb and light module utilizes a LED light source and directs light therefrom in a manner which improves efficiency and illumination. Ideally, the LED bulb is structured to create a virtual image whereby the efficiency of light directed out of the module is greatly improved, even with a single LED light source. The LED bulb generally includes a light pipe receiving light from the LED light source and guides the light downstream to a downstream portion which redirects the light radially outwardly.

A portable communication device includes a status indictor in the form of a single multicolor generating LED. The single LED indicates radio channel and battery status. The LED is responsive to a menu button press to indicate a current channel by color. Channel change is indicated by changing to another color. The LED is also responsive to a power button on the portable communication device to generate predetermined colors associated with battery status. The use of a single LED eliminates the need for knobs or a display as part of the status indicator of the portable communication device.

A lighting device includes a monolithic LED chip flip-chip mounted onto an interconnect structure. The monolithic chip includes LED junctions formed from a single LED junction. An active electronic component is also mounted onto the interconnect structure at a distance from the monolithic chip that is less than five times the maximum dimension of the monolithic chip. The active electronic component controls LED drive currents independently supplied to the LED junctions. Different types of phosphor are disposed laterally above the various LED junctions. A color sensor measures the light emitted from the lighting device when drive currents are supplied to first and second LED junctions. The active electronic component then supplies more drive current to the first LED junction than to the second LED junction in response to the color sensor measuring the light emitted when the prior LED drive currents are supplied to the first and second LED junctions.

The invention is applied in the field of display screens, and provides a light emitting diode (LED) display screen splicing control system and an LED display screen. The LED display screen splicing control system comprises a video processing and transmission controller, a video receiving and splitting amplifier and an LED screen body controller array, wherein the video processing and transmission controller comprises an input output interface, a first audio and video processor and a signal conversion and optical transmitter which are sequentially connected; the video receiving and splitting amplifier comprises an optical receiving and signal converter, a second audio and video processor, a video output module and an audio output interface which are sequentially connected; the optical receiving and signal converter is connected with the signal conversion and optical transmitter; and the LED screen body controller array comprises more than one shunt-wound single LED screen body controller. The LED display screen splicing control system and the LED display screen provided by the embodiment of the invention can realize the high-resolution display of the LED display screen by the video processing and transmission controller, the video receiving and splitting amplifier and the LED screen body controller array, and have simple designs and low cost.

The invention discloses a three-dimensionally wrapped packaged LED (Light Emitting Diode) chip, which is characterized in that six planes of a vertically packaged or inversely packaged single LED chip or series-parallel connected LED chips are coated with fluorescent powder and are fixed by using transparent materials at the periphery, so as to carry out three-dimensional packaging; or a single LED chip or a plurality of series-parallel connected LED chips adopt a vertical or inverse structure and are put into a spherical or tubular shell made of transparent materials; the LED chips are wrapped three-dimensionally by coating a fluorescent powder layer on the inner wall of the shell or mixing the fluorescent powder into the transparent materials; or the LED chips are firstly wrapped by using transparent materials, and subsequently the fluorescent powder is coated on the transparent materials; or the three-dimensional wrapping is carried out by adding a layer of transparent shell material after the coating of the fluorescent powder so as to protect the fluorescent powder. The chip has the beneficial effects that a simplest fluorescent powder wrapping process is adopted so as the make the LED chip emit light in all directions; and in comparison with a traditional single side light emission mode, the loss on light emission of the LED chip is reduced.

A combination inductive coil and integrated circuit semiconductor chip is provided in a single lead frame package. The lead frame is preferably made of a copper alloy and has a flat configuration. The chip is electrically connected to end portions of the inductive coil thus permitting the inductive coil to function as an antenna for the chip.

Embodiments disclosed herein provide packaged LED devices in which the majority of the emitted light comes out the top of each LED chip with very little side emissions. Because light only comes out from the top, phosphor deposition and color temperature control can be significantly simplified. A package LED may include a housing positioned on a supporting submount, sized and dimensioned to accommodate a single LED chip or an array of LED chips. The LED chip(s) may be attached to the submount utilizing the Gold-to-Gold Interconnect (GGI) process or solder-based approaches. In some embodiments, phosphor may be deposited on top of the LED chip(s) or sandwiched between glass plates on top of the LED chip(s). The phosphor layer may be inside or on top of the housing and be secured to the housing utilizing an adhesive. The housing may be adhered to the submount utilizing a thermal epoxy.

The invention discloses a 3D imaging method and system based on LED array common lens TOF depth measurement, which is characterized in that a 2D LED array is used as the lighting source, only one LED is in the lightened state every time, the modulated light emitted by the LED is projected onto the surface of the target by a projecting lens, a photoelectric receiver receives the scattered light on the surface of the target, measures the round-trip time of flight (TOF) from the light source to the target, acquires the LED depth pixel value in the lightened state according to the round-trip TOF and completes measurement of the single LED depth pixel value; time division scanning is carried out on the whole 2D LED array, the measurement process of the single LED depth pixel value is repeated and all the LED depth pixel values are acquired and are combined to generate the depth image of the target; a 2D image sensor acquires the 2D image of the target after the scattered light on the surface of the target passes through a 2D imaging lens; the projecting lens and the 2D imaging lens are the same; and the 2D image and the depth image are fused to generate the 3D image of the target. The depth image is fast in acquisition and the depth measurement resolution is high.

A management system utilizes compact, reliable, adaptable, and cost effective article identifying synthetic barcode modules, which obviate printed barcodes. The modules are programmable, detect the presence of a conventional laser barcode scanner and communicate information optically in a form readable by a detected conventional laser barcode scanner. The system is compatible with network communication, allowing real-time monitoring and updating. Additionally, the system optionally includes radio frequency identification capability, providing an alternative means of communication that does not require a line of sight. An exemplary synthetic barcode module employs a single LED as a photodiode to sense the presence of a barcode scanner and as a light source to emit light that emulates light reflected from a scanned barcode. The LED enables bidirectional half-duplex optical communication. The module may be attached to articles being tracked as well as to associated items.