Patent application number | Description | Published |
20090067456 | Tunable mode-locked laser - A tunable laser cavity for selectively emitting laser light having a first wavelength and a second wavelength using pump light emitted by a pump light source. The tunable laser cavity includes an optical resonator, the optical resonator having a configuration, optical properties and dimensions such that a first round-trip time of the laser light having the first wavelength in the optical resonator differs from a second round-trip time of the laser light having the second wavelength in the optical resonator; a gain medium inserted in the optical resonator, the gain medium being responsive to the pump light for converting the pump light to the laser light; a pump light input port optically coupled to the gain medium for receiving the pump light and conveying the pump light to the gain medium; an optical intensity modulator inserted in the optical resonator for absorbing a portion of the laser light as the laser light propagates back and forth in the optical resonator, the optical intensity modulator having a light absorption coefficient that is modulated with a modulation period, the modulation period being selectively adjustable between a first modulation period value and a second modulation period value, the first and second round-trip times being substantially equal to a respective integer multiple of respectively the first and second modulation period values; and an output port for releasing the laser light from the optical resonator. | 03-12-2009 |
20120162638 | METHOD FOR ASSESSING AN INTERACTION OF A SAMPLE WITH LIGHT BEAMS HAVING DIFFERENT WAVELENGTHS AND APPARATUS FOR PERFORMING SAME - A method for assessing an interaction of a sample with light beams having different wavelengths, the method comprising: generating a light beam having a wavelength and being intensity modulated according to a modulation function to create an intensity modulation in the light beam; irradiating the sample with the light beam; detecting a response light from the sample, the response light being released by the sample when the sample is irradiated with the light beam, the response light having intensity fluctuations caused by the intensity modulation; using the intensity fluctuations in the response light to identify the modulation function and associate the wavelength and the response light to each other; assessing the interaction of the sample with the light beam using the response light; stopping irradiating the sample with the light beam and performing the previous step with at least one other light beam having a different wavelength. The modulation functions provide wavelength information in the light beams by encoding the wavelengths in the light beams, the wavelength information being conveyed in the response lights to allow association of the response lights respectively with a respective wavelength. | 06-28-2012 |
20130077929 | FIBER OPTIC HINGE - The fiber optic hinge can mechanically connect a first fiber optic tray and a second fiber optic tray of a fiber optic device, while providing an optical fiber path extending continuously through the first and second hinge members. | 03-28-2013 |
Patent application number | Description | Published |
20130199491 | ROTARY INTERNAL COMBUSTION ENGINE WITH COOLED INSERT - A rotary internal combustion engine having an insert opening defined in a hot area of one of the walls of the stator body and in communication with its internal cavity, at least one groove defined within the opening around a perimeter thereof, at least one coolant inlet channel defined therein in communication with each groove, and at least one coolant outlet channel defined therein in communication with each groove. A cooling jacket lines the insert opening, the cooling jacket cooperating with each groove to define a cooling gallery around the insert opening. An insert is sealingly received in the cooling jacket, the insert being made of a material having a greater heat resistance than that of the wall. | 08-08-2013 |
20140245988 | ROTARY INTERNAL COMBUSTION ENGINE WITH PILOT SUBCHAMBER - A rotary engine with an outer body having an insert located in the peripheral offset from the rotor cavity such that a portion of the peripheral wall extends between the insert and the cavity. The insert has a pilot subchamber defined therein and the portion of the peripheral wall has at least one opening defined therethrough in communication with the at least one outlet opening of the insert and with the cavity. A method of combusting fuel into a rotary engine is also discussed. | 09-04-2014 |
20140360456 | Rotary Internal Combustion Engine With Pilot Subchamber And Ignition Element - A rotary engine an insert in one of the walls of the outer body having a pilot subchamber defined therein communicating with the internal cavity of the engine. An ignition element extends in an element cavity defined through the insert adjacent the subchamber. A portion of the element is in communication with the subchamber through a communication opening defined in the insert between the element cavity and the subchamber. The communication opening has a cross-section smaller than a corresponding cross-section of the portion of the element. An outer body for a rotary engine and a method of combusting fuel in a rotary engine are also provided. | 12-11-2014 |
20150040855 | Rotary Internal Combustion Engine with Static Oil Seal - A stator for a rotary internal combustion engine, with a body having an internal cavity. Each end wall has a scavenging cavity defined therein in fluid communication with the internal cavity through a respective scavenging opening extending through the inner surface thereof, and at least one annular oil seal groove defined in the inner surface thereof concentric with the central bore and located radially outwardly of the scavenging opening. At least one annular oil seal is received in each groove and protrudes from the end wall into the internal cavity for sealing engagement with a surface of a rotor of the engine, each seal being biased axially away from the end wall. A rotary internal combustion engine and a method of limiting radially outwardly directed oil leaks in a rotary engine are also disclosed. | 02-12-2015 |
20150337726 | ROTARY INTERNAL COMBUSTION ENGINE WITH COOLED INSERT - A rotary internal combustion engine having an insert opening defined in a hot area of one of the walls of the stator body and in communication with its internal cavity. A cooling jacket is received in and lines the insert opening. An insert is sealingly received in the cooling jacket and made of a material having a greater heat resistance than that of the wall. The cooling jacket extends between the insert and the wall along most of the length of the insert to prevent direct contact between the insert and the wall. A cooling gallery surrounds the cooling jacket and the insert, and is defined at least in part by the cooling jacket such that a coolant circulated therein contacts the cooling jacket. The cooling jacket is located between the cooling gallery and the insert. | 11-26-2015 |
Patent application number | Description | Published |
20090176869 | Halogenated Rhodamine Derivatives and Applications Thereof - Compounds of formula I: | 07-09-2009 |
20110021616 | HALOGENATED RHODAMINE DERIVATIVES AND APPLICATIONS THEREOF - Methods for treating a bacterial infection in a tissue sample are described. Tissue samples that are harvested from a patient may be infected with bacteria. A rhodmaine compound is mixed with the infected tissue sample to form a mixture. The mixture is then exposed to radiant energy to inhibit or kill the bacteria. The exposed mixture is then transplanted into the patient. Examples of rhodamine compounds include 2′-(6-dimethylamino-3-dimethylimino-3H-xanthen-9-yl) 4′, 5′-dichloro-benzoic acid methyl ester hydrochloride; 4,5-dibromorhodamine 110 2-(2-methoxy ethoxy)ethyl ester hydrobromide; acetate salt of 2,7-dibromorhodamine B hexyl ester; acetate salt of 2,7-dibromorhodamine B methyl ester; 4,5-dibromorhodamine 6G hydrobromide; rhodamine B 3-bromopropyl; acetate salt of 2,7-dibromo-4′-carboxytetramethylrosamine methyl ester; 4-bromo-5-phenyl rhodamine B methyl ester chloride; 2,7-dibromo-4,5-dimethyl rhodamine B methyl ester bromide; 2-bromo-7-ethynyl rhodamine B methyl ester bromide; and 4,5-dibromo-2,7-di-n-butyl rhodamine B methyl ester bromide. | 01-27-2011 |
20130295059 | RHODAMINE DERIVATIVES FOR PHOTODYNAMIC DIAGNOSIS AND TREATMENT - Compositions and methods for reducing or preventing graft-versus-host disease associated with allogeneic stem cell transplantation are described. A method includes harvesting hematopoietic cells from a patient with an immunologic disorder and harvesting hematopoietic cells from a donor. The harvested hemaptopoietic cells from the patient and the donor are mixed ex vivo for a period of time sufficient to activate lymphocytes within the hematopoietic cells harvested from the donor such that an immune reaction occurs and an activated portion and an unactivated portion is produced. A rhodamine B derivative is then added to the mixture of cells and the mixture is irradiated at a suitable wavelength and intensity for the selective destruction and/or inactivation of the activated portion without substantially affecting the unactivated portion or causing systemic toxicity in said patient. The irradiated cells are then infused into the patient. | 11-07-2013 |
20140314720 | HALOGENATED RHODAMINE DERIVATIVES AND APPLICATIONS THEREOF - Methods for treating an infection in a tissue sample are described. Tissue samples that are harvested from a patient may be infected with either bacteria or a virus. A rhodamine compound is mixed with the infected tissue sample to form a mixture. The mixture is then exposed to radiant energy to inhibit or kill the bacteria. The exposed mixture is then transplanted into the patient. The rhodamine compounds may be 2′-(6-dimethylamino-3-dimethylimino-3H-xanthen-9-yl)4′,5′-dichloro-benzoic acid methyl ester hydrochloride. | 10-23-2014 |
Patent application number | Description | Published |
20080285684 | Compact Dual Receiver Architecture for Point to Point Radio - A radio frequency receiver comprising a receiver module, an intermediate frequency (“IF”) module, a synthesizer module and a controller module. The receiver module receives a radio frequency signal and provides a baseband in-phase signal and a baseband quadrature signal eliminates a sideband of the in-phase and quadrature signals to create a first and a second signal, downconverts the first and second signal to a first and a second IF signal, and selects one of the first or second IF signals. The IF module receives the first or second IF signal, performs analog-to-digital conversion on the first or second IF signal, and demodulates the digitally converted. If signal The synthesizer module receives a programmable reference signal, downconverts the reference signal to an IF feedback signal, downconverts the reference signal to a baseband feedback signal provides the IF feedback signal to the IF module, and provides the baseband feedback signal to the receiver module. The controller module samples the digitally converted IF signal and provides the programmable reference signal to the synthesizer module to thereby provide a demodulated output signal. | 11-20-2008 |
20130089130 | Compact Dual Receiver Architecture for Point to Point Radio - A radio frequency receiver comprising a receiver module, an intermediate frequency (“IF”) module, a synthesizer module and a controller module. The receiver module receives a radio frequency signal and provides a baseband in-phase signal and a baseband quadrature signal, eliminates a sideband of the in-phase and quadrature signals to create a first and a second signal, downconverts the first and second signal to a first and a second IF signal, and selects one of the first or second IF signals. The IF module receives the first or second IF signal, performs analog-to-digital conversion on the first or second IF signal, and demodulates the digitally converted IF signal. The synthesizer module receives a programmable reference signal, downconverts the reference signal to an IF feedback signal, downconverts the reference signal to a baseband feedback signal, provides the IF feedback signal to the IF module, and provides the baseband feedback signal to the receiver module. The controller module samples the digitally converted IF signal and provides the programmable reference signal to the synthesizer module to thereby provide a demodulated output signal. | 04-11-2013 |