Patent application number | Description | Published |
20090166539 | MULTICHANNEL ANALYZER AND METHOD FOR REAL-TIME CORRECTION OF PEAK SHIFT - The invention provides a multichannel analyzer for use in a multichannel spectrometer, which comprises a standard spectrum calibrator for obtaining energy calibration parameters of said multichannel spectrometer; an environment background spectrum calibrator for obtaining parameters of a current and a previous environment background spectrum; a peak shift detector for analyzing the parameters of the current and previous environment background spectrum to determine whether a peak shift occurs between them and to determine a correction coefficient of the peak shift; and a parameter corrector for correcting the energy calibration parameters of said multichannel spectrometer using said peak shift correction coefficient. The invention also provides a method for correcting a peak shift of a multichannel spectrometer adapted in the multichannel analyzer. The method for correcting and the multichannel analyzer can correct and monitor the peak shift of the multichannel spectrometer in real time. | 07-02-2009 |
20090166540 | DEVICE AND METHOD FOR DETECTING ORIENTATION OF RADIOACTIVE MATERIAL - Disclosed is a device for detecting orientation of a radioactive material to determine presence and position of the radioactive material, comprising: at least one first radiation detector; at least one second radiation detector, each of said at least one second radiation detector and each of said at least one first radiation detector being arranged side by side and in pairs, detection surfaces of said first and second radiation detector being in the same plane to receive radiation from the same direction in the same manner and to generate a first detection signal and a second detection signal, respectively; a shielding plate, said shielding plate being arranged between said first radiation detector and said second radiation detector arranged in a pair and extending forward beyond said detection surfaces; and a determination device for receiving the first and second detection signals from said first and second radiation detector, and determining whether a radioactive material exists or not according to said first and second detection signals and simultaneously determining the orientation of the radioactive material according to the difference between said first detection signal and said second detection signal. Also disclosed is a method for detecting orientation of a radioactive material. | 07-02-2009 |
20090166542 | RADIATION DETECTION SYSTEM USING A MULTICHANNEL SPECTROMETER AND METHOD THEREOF - A data processing device for processing a reference background spectrum and a measurement spectrum of a radioactive material represented by a multichannel spectrum to acquire energy region information of detected gamma rays is provided, said data processing device comprising: energy region dividing means for degenerating said multichannel spectrum into a degenerated spectrum of limited channels, each degenerated spectrum representing an energy region; degenerated spectrum calculating means for calculating a background degenerated spectrum and measurement degenerated spectrum based on said background spectrum and said measurement spectrum corresponding to said degenerated spectrum of limited channels respectively; energy ratio calculating means for calculating a energy ratio based on the calculated background degenerated spectrum and measurement degenerated spectrum; peak-detection means, for searching a peak value in the calculated energy ratios; energy region determining means for determining a corresponding energy region of said gamma rays based on the searched peak value in the energy ratios. A corresponding radiation detection method and a radiation detection system employing the data processing device are also provided. | 07-02-2009 |
20090236537 | SYSTEM AND METHOD CAPABLE OF SIMULTANEOUS RADIOGRPAHIC EXAMINATION AND RADIOACTIVE MATERIAL INSPECTION - The present invention relates to the field of radiographic examination and radioactive material inspection, and provides a system and a method capable of simultaneous radiographic examination and radioactive material inspection. The system comprises a radiographic examination system and a radiation monitor; wherein the radiographic examination system comprises an accelerator and a synchronization controller, and the radiation monitor comprises a detector, a front end circuit, a signal transmission controller, a data collecting, analyzing and processing computer, an alarm device and so on. The present invention combines the radiographic examination system and the radiation monitor tightly so that the radioactive material inspection can be executed while the radiographic examination is performed, thereby the examination efficiency is improved and the occupied area of the system is reduced. | 09-24-2009 |
20090252289 | Integrated System and Integrating Method for Radioactive Material Detection and X-ray Radiation Imaging - The present invention relates to the fields of radioactive material detection and X-ray radiation imaging inspection, and provides a system and method for performing radioactive material detection and X-ray radiation imaging inspection simultaneously at the same place, thereby solving the problem that the two means have to be conducted separately, as in the prior art. The integrated system of the invention comprises: an X-ray NII system for performing X-ray radiation imaging inspection on the object under examination; a radiation monitor placed adjacent to the X-ray NII system device to detect the radioactive rays emitted by the object under examination; the radiation monitor sets, within the detection energy region thereof, a lower limit of detection to distinguish the energy region of the detected X-rays emitted by the X-ray detection device from the energy region of the radioactive rays emitted by the object under examination, and detects the energy in the energy region higher than said lower limit of detection. The present invention realizes a compact integration of the two devices, and greatly saves space and time resources. | 10-08-2009 |
20100072385 | RADIOACTIVE MATERIAL DETECTING AND IDENTIFYING DEVICE AND METHOD - Disclosed is an device for detecting and identifying a radioactive material, comprising: a first detector including a detection surface and generating first pulse signals when gamma rays are incident onto said detection surface; a second detector generating second pulse signals and provided in the front of the detection surface of the first detector, so that the gamma rays entering the second detector directly enter the first detector after passing through the second detector; and an identification unit. The identification unit comprises: a coincidence device configured to receive the first pulse signals and the second pulse signals from said first detector and said second detector; a multi-channel analyzer configured to receive the second pulse signals from the said second detector, the multi-channel analyzer counting said second pulses and generating the energy spectrum of the gamma rays according to the counted second pulses, when said first pulse signals and said second pulse signals are both valid; and a determination device configured to determine the type of the radioactive material emitting the gamma rays according to the generated energy spectrum and to determine whether a radiation exists or not according to said first pulse signals or said second pulse signals. The present invention also provides a method for detecting and identifying a radioactive material. | 03-25-2010 |
20100262922 | Method and System for Processing Electronic Mail - A method and system for processing email messages are disclosed. In at least one embodiment, the method includes receiving a first signal input indicative of a request that contents of a selected email message be displayed on a display associated with a client computer device, wherein the contents are stored in a memory device associated with a server computer device and include contents of at least one other email message. The method further includes causing displaying of the contents of the selected email message for reviewing by the user. The method additionally includes making a determination of whether the contents of the at least one other email message have been reviewed by the user during the user's review of the contents of the selected email message, and providing an indication regarding whether or to what extent the at least one other email message has been read based upon the determination. | 10-14-2010 |
20140361187 | DETECTOR AND METHOD FOR SIMULTANEOUSLY DETECTING GAMMA RAY AND NEUTRON RAY USING SAME - The present invention discloses a detector. The detector includes a detector crystal, configured to detect incident rays therein; a plurality of moderator layers, configured to moderate neutrons entering the moderator layer; and a plurality of converter layers, configured to react with said moderated neutrons. The moderator layers and the converter layers are overlapped with each other, and the moderator layers and the converter layers are located outside the detector crystal. | 12-11-2014 |
20140379688 | Methods Performed by Electronic Devices that Facilitate Navigating a Webpage - A processor of an electronic device can implement methods that facilitate navigating a webpage. The methods may include: receiving ( | 12-25-2014 |
20150025841 | METHOD AND DEVICE FOR PATROL INSPECTING AND POSITIONING A RADIOACTIVE SUBSTANCE - A method for patrol inspecting and locating a radioactive substance, comprising: providing a background radioactive intensity value of environment; collecting radioactive intensity values from a inspecting region by a detector at a plurality of sampling points on a patrol inspection route; calculating a radioactive intensity distribution in the inspecting region on basis of the collected radioactive intensity values and the background radioactive intensity value; and determining a position of the radioactive substance on basis of the radioactive intensity distribution. Furthermore, a device for patrol inspecting and locating a radioactive substance comprises: two or more detectors configured to collect radioactive intensity values from a inspecting region around a patrol inspection route, at each of a plurality of sampling points on the patrol inspection route; and a movable carrier configured to carry the detector and to move along the patrol inspection is route to pass by the sampling points. The method and device can obtain the position and the radioactive intensity distribution of the radioactive substance within the inspecting region on basis of the multiple-point observation on the patrol inspection route. | 01-22-2015 |
20150074578 | TEXT SELECT AND ENTER - In embodiments of text select and enter, selectable character strings ( | 03-12-2015 |
Patent application number | Description | Published |
20120181566 | YELLOW LIGHT AFTERGLOW MATERIAL AND PREPARATION METHOD THEREOF AS WELL AS LED ILLUMINATING DEVICE USING SAME - The invention relates to a yellow light afterglow material and a preparation method thereof as well as an LED illuminating device using the same. The yellow light afterglow material comprises the chemical formula of aY | 07-19-2012 |
20130015474 | WHITE LIGHT EMITTING DIODE (LED) LIGHTING DEVICEAANM Zhang; MingAACI ChengduAACO CNAAGP Zhang; Ming Chengdu CNAANM Zhao; KunAACI ChengduAACO CNAAGP Zhao; Kun Chengdu CNAANM Li; Dong-mingAACI ChengduAACO CNAAGP Li; Dong-ming Chengdu CN - An alternating current (AC) white LED lighting device and a method for manufacturing the same are provided. The AC white LED lighting device consists of blue, violet or ultraviolet LED chips, blue afterglow luminescence materials A and yellow luminescence materials B. Wherein the weight ratio of the blue afterglow luminescence materials A to the yellow luminescence materials B is 10-70 wt %:30-90 wt %. Because of using afterglow luminescence materials, the light will be sustained when an excitation light source disappears, which can eliminate the influence of LED chips light output variation due to the AC fluctuation on the lighting device. And the problem of the heating of the chips also can be overcome. At the same time, the influence of temperature quenching effect and direction change of the AC current on the AC white LED lighting device is eliminated. | 01-17-2013 |
20130119410 | WHITE LIGHT EMITTING DIODE (LED) LIGHTING DEVICE DRIVEN BY PULSE CURRENT - A white LED lighting device driven by a pulse current is provided, which consists of blue, violet or ultraviolet LED chips, blue afterglow luminescence materials A and yellow luminescence materials B. Wherein the weight ratio of the blue afterglow luminescence materials A to the yellow luminescence materials B is 10-70 wt %:30-90 wt %. The white LED lighting device drives the LED chips with a pulse current having a frequency of not less than 50 Hz. Because of using the afterglow luminescence materials, the light can be sustained when an excitation light source disappears, thereby eliminating the influence of LED light output fluctuation caused by current variation on the illumination. At the same time, the pulse current can keep the LED chips being at an intermittent work state, so as to overcome the problem of chip heating. | 05-16-2013 |
20140131746 | WHITE LIGHT EMITTING DIODE (LED) LIGHTING DEVICE DRIVEN BY PULSE CURRENT - A white LED lighting device driven by a pulse current is provided, which consists of blue, violet or ultraviolet LED chips, blue afterglow luminescence materials A and yellow luminescence materials B. Wherein the weight ratio of the blue afterglow luminescence materials A to the yellow luminescence materials B is 10-70 wt %: 30-90 wt %. The white LED lighting device drives the LED chips with a pulse current having a frequency of not less than 50 Hz. Because of using the afterglow luminescence materials, the light can be sustained when an excitation light source disappears, thereby eliminating the influence of LED light output fluctuation caused by current variation on the illumination. At the same time, the pulse current can keep the LED chips being at an intermittent work state, so as to overcome the problem of chip heating. | 05-15-2014 |
20140132177 | WHITE LIGHT EMITTING DIODE (LED) LIGHTING DEVICE DRIVEN BY PULSE CURRENT - A white LED lighting device driven by a pulse current is provided, which consists of blue, violet or ultraviolet LED chips, blue afterglow luminescence materials A and yellow luminescence materials B. Wherein the weight ratio of the blue afterglow luminescence materials A to the yellow luminescence materials B is 10-70 wt %:30-90 wt %. The white LED lighting device drives the LED chips with a pulse current having a frequency of not less than 50 Hz. Because of using the afterglow luminescence materials, the light can be sustained when an excitation light source disappears, thereby eliminating the influence of LED light output fluctuation caused by current variation on the illumination. At the same time, the pulse current can keep the LED chips being at an intermittent work state, so as to overcome the problem of chip heating. | 05-15-2014 |
20140134764 | WHITE LIGHT EMITTING DIODE (LED) LIGHTING DEVICE DRIVEN BY PULSE CURRENT - A white LED lighting device driven by a pulse current is provided, which consists of blue, violet or ultraviolet LED chips, blue afterglow luminescence materials A and yellow luminescence materials B. Wherein the weight ratio of the blue afterglow luminescence materials A to the yellow luminescence materials B is 10-70 wt %:30-90 wt %. The white LED lighting device drives the LED chips with a pulse current having a frequency of not less than 50 Hz. Because of using the afterglow luminescence materials, the light can be sustained when an excitation light source disappears, thereby eliminating the influence of LED light output fluctuation caused by current variation on the illumination. At the same time, the pulse current can keep the LED chips being at an intermittent work state, so as to overcome the problem of chip heating. | 05-15-2014 |
20140346954 | WHITE LED LIGHT EMITTING DEVICE DRIVEN DIRECTLY BY CONSTANT ALTERNATING CURRENT - The present invention discloses a white LED light emitting device driven directly by constant current in manner of being supplied with alternating current. N parallel branches, consisting of LED modules and constant current units which are in series connection with the LED modules, are connected to an output terminal of a rectification circuit, and by setting the current value, the turning-off voltage, and the turning-on voltage of the constant current unit of each branch, the periodic flickers generated due to changes in the voltage of the alternating current can be avoided. Because the current of each branch is constant, the changes in junction temperatures do not result in the current changing in LED, and the reliability is improved. Along with the increase of the number of the branches, the driving current waveform approximates a sine wave, and the power factor and the efficiency of the light emitting device are improved. | 11-27-2014 |
20150232753 | YELLOW LIGHT AFTERGLOW MATERIAL AND PREPARATION METHOD THEREOF AS WELL AS LED ILLUMINATING DEVICE USING SAME - The invention relates to a yellow light afterglow material and a preparation method thereof as well as an LED illuminating device using the same. The yellow light afterglow material comprises the chemical formula of aY | 08-20-2015 |
20150232754 | YELLOW LIGHT AFTERGLOW MATERIAL AND PREPARATION METHOD THEREOF AS WELL AS LED ILLUMINATING DEVICE USING SAME - The invention relates to a yellow light afterglow material and a preparation method thereof as well as an LED illuminating device using the same. The yellow light afterglow material comprises the chemical formula of aY | 08-20-2015 |
20160029454 | AC WHITE LED DEVICE - An Alternate Current (AC) white Light-Emitting Diode (LED) device is provided, which belongs to the technical field of white LED manufacturing. The problem to be solved by the present invention is to low-costly overcome a series of deficiencies such as the stroboflash of an AC driven LED, and the heat dissipation difficulty caused by an integrated packaging of multiple LEDs. A white LED unit includes an LED chip and a light emitting material that can emit light when being excited by the LED chip. The luminous lifetime of the light emitting material is 1˜100 ms. The LED chip only comprises one PN junction. The light emitted by the LED chip is mixed with the light emitted by the light emitting material to form white light. The white LED unit is driven by AC with a frequency not more than 100 Hz. The white LED device of prevent invention uses the single PN junction chip, rather than the prior integrated packaged AC multi-LED chip. | 01-28-2016 |
Patent application number | Description | Published |
20130076579 | Multi-Band Wireless Terminals With Multiple Antennas Along An End Portion, And Related Multi-Band Antenna Systems - An antenna system may include a backplate that includes an end portion. The antenna system may also include first and second antennas spaced apart from each other along the end portion of the backplate. The antenna system may additionally include a parasitic element between the first and second antennas along the end portion of the backplate. | 03-28-2013 |
20130315076 | Electronic Devices, Methods, and Computer Program Products for Selecting an Antenna Element Based on a Wireless Communication Performance Criterion - A method of operating an electronic device includes providing a plurality of antenna elements, evaluating a wireless communication performance criterion to obtain a performance evaluation, and assigning a first one of the plurality of antenna elements to a main wireless signal reception and transmission path and a second one of the plurality of antenna elements to a diversity wireless signal reception path based on the performance evaluation. | 11-28-2013 |
20150147984 | Double Ring Antenna With Integrated Non-Cellular Antennas - Wireless electronic devices may include a ground plane, a double ring antenna and non-cellular antennas integrated within the double ring antenna. The double ring antenna may comprise first and second metal rings around the perimeter of a ground plane to operate as MIMO cellular antennas. At least one non-cellular antenna, such as a MIMO Wi-Fi antenna, may be integrated between the first and second metals rings on one or more sides of the wireless electronic device. | 05-28-2015 |
20160043812 | DEVICE WITH EXTERNAL METAL FRAME AS COUPLING ELEMENT FOR BODY-COUPLED-COMMUNICATION SIGNALS - A device is equipped with at least one communication module. The communication module supports communication on the basis of body-coupled-communication signals. Further, the device is equipped with a metal frame. The metal frame forms a part of an outer surface of the device. The metal frame is operable to provide conductive coupling of the of body-coupled-communication signals to a body of a user of the device. | 02-11-2016 |
Patent application number | Description | Published |
20150335410 | FULL ARCH ULTRASONIC CLEANER APPARATUS AND METHOD OF USE - A cleaner apparatus for use in a dental prophylaxis process includes an applicator defining a curved occlusal wall, a buccal wall, a lingual wall, and a distal wall, each of the buccal wall, the lingual wall and distal walls extending outwardly from the occlusal wall and forming a curved applicator configured to receive a patient's teeth in one of the maxillary arch and mandibular arch of the patient. The applicator being configured to receive and contain a cleaning agent in the cavity during a teeth cleaning process. An ultrasonic transducer is embedded within each of the buccal wall and the lingual wall of the applicator. A controller is electrically coupled to the transducers for powering the transducers and controlling the operation thereof, and the cleaner apparatus for cleaning a full arch of a patients teeth via cavitation of the cleaning agent resulting from ultrasonic radiation transmitted from the transducers. | 11-26-2015 |
20160022385 | DENTAL IMPLANT SYSTEM AND METHOD OF USE - A dental implant system including a prosthodontic base having first and second opposing surfaces, the first surface configured to conform to and abut an edentulous ridge of a patient, the second surface having a post extending outwardly therefrom, the prosthodontic base defining at least one hole for receiving an implant. The system further including a restoration having at least one artificial tooth, the restoration defining an opening to receive the post, the restoration being attachable to the post. The system further includes an implant having a head and a body, the body of the implant insertable through the hole in the prosthodontic base and into a bone of the patient for attaching the prosthodontic base to the edentulous ridge. The dental implant system providing for efficient, minimum invasive and permanent teeth replacement for the patient. A method of providing one or more teeth replacement for a patient is also disclosed. | 01-28-2016 |