mhurhangee/patent-ind-claim-en huggingface dataset:
An electric power conversion device for generating a PWM output signal using a carrier frequency and outputting an AC voltage using the PWM output signal, comprising: a carrier frequency setting unit configured to set a plurality of carrier frequencies to be switched for varying the carrier frequency used for generation of the PWM output signal periodically; a carrier frequency restricting unit configured to restrict carrier frequencies; a carrier frequency generating unit configured to generate the carrier frequency used for PWM generation from an output of the carrier frequency setting unit and the carrier frequency restricting unit ; a PWM generating unit configured to generate the PWM output signal using the carrier frequency generated by the carrier frequency generating unit; and an AC converting unit configured to output the AC voltage using the PWM output signal, characterised in that the carrier frequency restricting unit is configured to determine for each of the plurality of set carrier frequencies whether or not any of its frequency and its frequency components of n times its frequency, with n being a positive integer, is in a predetermined range and, if not, output the carrier frequency whereas, if yes, do not output the carrier frequency or output it for a shorter period than the period of carrier frequencies outside said predetermined range, in order to reduce an output current noise of the electric power conversion device. a carrier frequency setting unit configured to set a plurality of carrier frequencies to be switched for varying the carrier frequency used for generation of the PWM output signal periodically; a carrier frequency restricting unit configured to restrict carrier frequencies; a carrier frequency generating unit configured to generate the carrier frequency used for PWM generation from an output of the carrier frequency setting unit and the carrier frequency restricting unit ; a PWM generating unit configured to generate the PWM output signal using the carrier frequency generated by the carrier frequency generating unit; and an AC converting unit configured to output the AC voltage using the PWM output signal, characterised in that the carrier frequency restricting unit is configured to determine for each of the plurality of set carrier frequencies whether or not any of its frequency and its frequency components of n times its frequency, with n being a positive integer, is in a predetermined range and, if not, output the carrier frequency whereas, if yes, do not output the carrier frequency or output it for a shorter period than the period of carrier frequencies outside said predetermined range, in order to reduce an output current noise of the electric power conversion device.
A method of communicating triggers in a telecommunication network, comprising: receiving in a processor a trigger communication message from a source device, the trigger communication message including trigger parameters and information suitable for causing a destination device to automatically initiate an operation; determining a criterion for sending the trigger communication message to the destination device based on the trigger parameters included in the trigger communication message; determining whether the criterion has been satisfied wherein the determining comprises determining whether the destination device belongs to a group, and if so, whether other trigger communication messages have been transmitted for other destination devices in the group; and sending the trigger communication message to the destination device when it is determined that the criterion has been satisfied wherein determining that the criterion has been satisfied comprises determining that other trigger communication messages have been transmitted for other destination devices in the group. receiving in a processor a trigger communication message from a source device, the trigger communication message including trigger parameters and information suitable for causing a destination device to automatically initiate an operation; determining a criterion for sending the trigger communication message to the destination device based on the trigger parameters included in the trigger communication message; determining whether the criterion has been satisfied wherein the determining comprises determining whether the destination device belongs to a group, and if so, whether other trigger communication messages have been transmitted for other destination devices in the group; and sending the trigger communication message to the destination device when it is determined that the criterion has been satisfied wherein determining that the criterion has been satisfied comprises determining that other trigger communication messages have been transmitted for other destination devices in the group.
An apparatus , comprising: a device configured for insertion into a left ventricle of a heart of a subject; and a delivery tube coupled to the device and configured to traverse an aortic arch of the subject while the device is within the left ventricle; characterized in that the apparatus comprises an elongation-resistant fiber running axially along the delivery tube so as to bias an orientation of the delivery tube while the delivery tube traverses the aortic arch such that the elongation-resistant fiber is disposed inside a curve of the aortic arch, thereby biasing an orientation of the device. a device configured for insertion into a left ventricle of a heart of a subject; and a delivery tube coupled to the device and configured to traverse an aortic arch of the subject while the device is within the left ventricle; characterized in that the apparatus comprises an elongation-resistant fiber running axially along the delivery tube so as to bias an orientation of the delivery tube while the delivery tube traverses the aortic arch such that the elongation-resistant fiber is disposed inside a curve of the aortic arch, thereby biasing an orientation of the device.
An impeller of a centrifugal fan , comprising: multiple blades arranged annularly around a rotational axis and each having two blade axial ends that are both ends in the direction of the rotational axis; a main plate arranged opposite to a main plate-side blade axial end that is one of the two blade axial ends of each of the blades; a shroud arranged opposite to a shroud-side blade axial end that is the other of the two blade axial ends of each of the blades; main plate-side welded portions between the main plate-side blade axial ends and the main plate; and shroud-side welded portions between the shroud-side blade axial ends and the shroud, characterized in that the main plate-side welded portions have main plate-side welding holes that are recesses extending through the main plate to portions of the main plate-side blade axial ends, and the shroud-side welded portions have shroud-side welding holes that are recesses extending through the shroud to portions of the shroud-side blade axial ends. multiple blades arranged annularly around a rotational axis and each having two blade axial ends that are both ends in the direction of the rotational axis; a main plate arranged opposite to a main plate-side blade axial end that is one of the two blade axial ends of each of the blades; a shroud arranged opposite to a shroud-side blade axial end that is the other of the two blade axial ends of each of the blades; main plate-side welded portions between the main plate-side blade axial ends and the main plate; and shroud-side welded portions between the shroud-side blade axial ends and the shroud, characterized in that the main plate-side welded portions have main plate-side welding holes that are recesses extending through the main plate to portions of the main plate-side blade axial ends, and the shroud-side welded portions have shroud-side welding holes that are recesses extending through the shroud to portions of the shroud-side blade axial ends.
A Bluetooth low energy BLE device, characterized by comprising a processor and a BLE communication module , wherein the processor is configured to trigger, when the BLE device obtains and stores update data, the BLE communication module to transfer the update data to a peripheral BLE device by using a BLE link, until that all peripheral BLE devices obtain the update data is detected, wherein the peripheral BLE device is a device that enables to perform end-to-end BLE communication with the BLE device that obtains the update data; wherein, the transferring the update data to the peripheral BLE device comprises: initiating a BLE broadcast, wherein the broadcast carries version information of the update data; and in response to a BLE communication request from the peripheral BLE device, establishing a BLE communication connection to the peripheral BLE device and sending over the established BLE communication connection the update data stored in the BLE device; wherein the BLE communication request is initiated when the version information carried in the BLE broadcast is read by the peripheral BLE device and is inconsistent with the version information of the update data stored in the peripheral BLE device. initiating a BLE broadcast, wherein the broadcast carries version information of the update data; and in response to a BLE communication request from the peripheral BLE device, establishing a BLE communication connection to the peripheral BLE device and sending over the established BLE communication connection the update data stored in the BLE device;
Brush for a machine for the horizontal and/or vertical cleaning of surfaces which are provided with grooves, joints, unevennesses and/or pores, wherein said machine is provided to move the brush in a plane which is substantially parallel to said surface, and wherein this brush is provided with - at least one set of first hairs for cleaning or polishing the parts of the surface which extend between the grooves, joints, unevennesses and/or pores, - at least one set of second hairs for cleaning the grooves, joints, unevennesses and/or pores; wherein these first and second hairs form a cleaning surface and wherein these second hairs protrude with respect to the first hairs at this cleaning surface, characterized in that the brush comprises a base plate which is provided to be releasably attached by means of one or several bolt or screw connections to one or several brush parts which are provided with one or several sets of second hairs , that said base plate comprises two or several sets of first hairs which are directly implanted into the base plate , that there is a zone between two sets of first hairs which is free from said first hairs and which is provided for releasably attaching said brush parts by means of one or several bolt or screw connections, and that said second hairs are implanted in said brush parts . - at least one set of first hairs for cleaning or polishing the parts of the surface which extend between the grooves, joints, unevennesses and/or pores, - at least one set of second hairs for cleaning the grooves, joints, unevennesses and/or pores;
Seeder comprising a frame and adjacent sowing elements which are secured to said frame and mounted movable in translation with respect to one another between a closely-spaced position in which said sowing elements are close together and a separated position in which they are spaced apart, said seeder comprising a plurality of adjusting means, each adjusting means allowing variable adjustment of the distance between two given adjacent sowing elements , independently of the other adjusting means, and independently of the distance between two other given adjacent sowing elements on said frame , each adjusting means being essentially located between two given adjacent sowing elements , in each of their states and when transitioning from one of their states to the other, and each adjusting means comprising at least one flexible connecting element , each flexible connecting element connecting two adjacent sowing elements and adopting a folded state when said unit drill elements are in said closely-spaced position, and a deployed state when said sowing elements are in said separated position.
A cover for a tank for containing a liquid, such as a plant protection product or a liquid fertiliser, the cover being for sealing an opening of the tank defined by an opening rim , the cover comprising a vent itself comprising: - a first opening centred on a first axis with axial direction and for communicating with the interior of the tank on a first side of the first opening along the first axis , - at least a second opening via which the first opening is for communicating with the exterior of the tank , on a second side of the first opening which is opposite to the first side along the first axis , - at least one baffle through which the first opening and the second opening(s) communicate with each other, on the second side of the first opening , characterized in that the first opening further comprises an opening flange forming, on the first side of the first opening , a valve seat , and in that the vent further comprises a float designed to move, by floating on the surface of the liquid contained in the tank , from an opening position to a closing position of the first opening in which the float abuts against the valve seat , the float thus forming a valve. - a first opening centred on a first axis with axial direction and for communicating with the interior of the tank on a first side of the first opening along the first axis , - at least a second opening via which the first opening is for communicating with the exterior of the tank , on a second side of the first opening which is opposite to the first side along the first axis , - at least one baffle through which the first opening and the second opening(s) communicate with each other, on the second side of the first opening , characterized in that the first opening further comprises an opening flange forming, on the first side of the first opening , a valve seat , and in that the vent further comprises a float designed to move, by floating on the surface of the liquid contained in the tank , from an opening position to a closing position of the first opening in which the float abuts against the valve seat , the float thus forming a valve.
A method for operating a smoke detector (100, 200; 900), said smoke detector comprising an illuminator and a light sensor , said method comprising: measuring a voltage signal in response to an electromagnetic signal emitted by said illuminator ; determining a smoke concentration using said voltage signal ; calculating a rate of increase of the smoke concentration; using said rate of increase of the smoke concentration to determine an adjusted smoke concentration by adding the determined smoke concentration to a product of the rate of increase of the smoke concentration and a time constant ; comparing said adjusted smoke concentration to a threshold ; and generating a warning alarm in response to a finding that said adjusted smoke concentration exceeds said threshold . measuring a voltage signal in response to an electromagnetic signal emitted by said illuminator ; determining a smoke concentration using said voltage signal ; calculating a rate of increase of the smoke concentration; using said rate of increase of the smoke concentration to determine an adjusted smoke concentration by adding the determined smoke concentration to a product of the rate of increase of the smoke concentration and a time constant ; comparing said adjusted smoke concentration to a threshold ; and generating a warning alarm in response to a finding that said adjusted smoke concentration exceeds said threshold .
An integrated switch device (27; 37), comprising: a set of first ports , a set of first switches , wherein each first switch couples a respective first port to ground , wherein within the integrated switch device (27; 37) the first ports are only coupled to the first switches , a set of second ports , a set of third ports , a set of second switches , wherein each second switch couples a respective second port to a respective third port , a set of third switches , wherein each switch of the set of third switches couples a respective third port to ground . a set of first ports , a set of first switches , wherein each first switch couples a respective first port to ground , wherein within the integrated switch device (27; 37) the first ports are only coupled to the first switches , a set of second ports , a set of third ports , a set of second switches , wherein each second switch couples a respective second port to a respective third port , a set of third switches , wherein each switch of the set of third switches couples a respective third port to ground .
Collector plate for a heat exchanger , the collector plate comprising: - a peripheral groove having a bottom , - at least one upper step protruding with respect to the bottom of the said groove over a predefined height (H1), and - at at least one longitudinal end of the collector plate , an intermediate portion between the upper step and the said groove , characterized in that at the said at least one longitudinal end of the collector plate , the said groove has an inner wall , at least one section of which connects the intermediate portion to the bottom of the said groove and extends over a height (H2) which is not zero and is less than the height (H1) of the upper step . - a peripheral groove having a bottom , - at least one upper step protruding with respect to the bottom of the said groove over a predefined height (H1), and - at at least one longitudinal end of the collector plate , an intermediate portion between the upper step and the said groove ,
Aerosol-generating device comprising: at least two heating arrangements , each heating arrangement comprising: a heating coil , a first contact , a second contact and a third contact , wherein the first contact is arranged contacting a distal end of the heating coil , wherein the second contact is arranged contacting a proximal end of the heating coil , wherein the third contact is arranged contacting the heating coil between the first contact and the second contact, and a sliding arrangement , wherein the heating coils of the heating arrangements are arranged side by side parallel to a longitudinal axis of the aerosol-generating device, wherein the sliding arrangement is arranged adjacent the heating coils and configured to slide parallel to the longitudinal axis of the aerosol-generating device and parallel to the heating coils , wherein the third contacts of the heating arrangements are mounted on the sliding arrangement , and wherein an electrical contact point between each third contact and each respective heating coil is adaptable by sliding the sliding arrangement . at least two heating arrangements , each heating arrangement comprising: a heating coil , a first contact , a second contact and a third contact , wherein the first contact is arranged contacting a distal end of the heating coil , wherein the second contact is arranged contacting a proximal end of the heating coil , wherein the third contact is arranged contacting the heating coil between the first contact and the second contact, and a sliding arrangement , wherein the heating coils of the heating arrangements are arranged side by side parallel to a longitudinal axis of the aerosol-generating device, wherein the sliding arrangement is arranged adjacent the heating coils and configured to slide parallel to the longitudinal axis of the aerosol-generating device and parallel to the heating coils , wherein the third contacts of the heating arrangements are mounted on the sliding arrangement , and wherein an electrical contact point between each third contact and each respective heating coil is adaptable by sliding the sliding arrangement .
A hearing protection device , comprising: a first hearing protector ; a second hearing protector ; an elongated connector comprising a first end that is connected to the first hearing protector and a second end that is connected to the second hearing protector; and a frangible attachment element disposed between a first portion of the elongated connector and a second portion of the elongated connector that temporarily connects the first portion to the second portion such that the elongated connector is in a compact configuration, wherein the elongated connector is adapted to be disposed in an elongated configuration when the frangible attachment element is broken, and wherein the frangible attachment element comprises a land extending between the first and second portions. a first hearing protector ; a second hearing protector ; an elongated connector comprising a first end that is connected to the first hearing protector and a second end that is connected to the second hearing protector; and a frangible attachment element disposed between a first portion of the elongated connector and a second portion of the elongated connector that temporarily connects the first portion to the second portion such that the elongated connector is in a compact configuration, wherein the elongated connector is adapted to be disposed in an elongated configuration when the frangible attachment element is broken, and wherein the frangible attachment element comprises a land extending between the first and second portions.
An optical element, comprising: a plurality of stacked birefringent sublayers (105a... 105n) made of liquid crystal polarization crystals, the plurality of stacked birefringent sublayers (105a... 105n) configured to alter a direction of propagation of light passing therethrough according to a Bragg condition, wherein each of the stacked birefringent sublayers is coated and polymerized individually, wherein the stacked birefringent sublayers (105a... 105n) respectively comprise local optical axes that vary along respective interfaces between adjacent ones of the stacked birefringent sublayers to define respective grating periods Λs, and wherein the stacked birefringent sublayers (105a... 105n) have respective thicknesses d 1 ...d N that are less than a wavelength of the light; wherein the liquid crystal polarization crystals include low-molecular-weight reactive LC molecules, which are aligned by characteristics of the surface on which they are coated or otherwise formed, and are subsequently polymerized into a rigid polymer network; and wherein the wavelength of the light comprises a wavelength λ, the respective grating periods Λs define a period Λ of the optical element, the aggregate thickness comprises a thickness d, an average refractive index of the stacked birefringent layers (105a... 105n) comprises a refractive index n such that a variable Q is greater than 1 for the wavelength λ, where Q = 2 π Å d / Λ 2 n. a plurality of stacked birefringent sublayers (105a... 105n) made of liquid crystal polarization crystals, the plurality of stacked birefringent sublayers (105a... 105n) configured to alter a direction of propagation of light passing therethrough according to a Bragg condition, wherein each of the stacked birefringent sublayers is coated and polymerized individually, wherein the stacked birefringent sublayers (105a... 105n) respectively comprise local optical axes that vary along respective interfaces between adjacent ones of the stacked birefringent sublayers to define respective grating periods Λs, and wherein the stacked birefringent sublayers (105a... 105n) have respective thicknesses d 1 ...d N that are less than a wavelength of the light; wherein the liquid crystal polarization crystals include low-molecular-weight reactive LC molecules, which are aligned by characteristics of the surface on which they are coated or otherwise formed, and are subsequently polymerized into a rigid polymer network; and wherein the wavelength of the light comprises a wavelength λ, the respective grating periods Λs define a period Λ of the optical element, the aggregate thickness comprises a thickness d, an average refractive index of the stacked birefringent layers (105a... 105n) comprises a refractive index n such that a variable Q is greater than 1 for the wavelength λ, where Q = 2 π Å d / Λ 2 n.