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Jian, Beijing
Duanduan Jian, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20120086419 | Power Supply Device, A Processing Chip for a Digital Microphone and related Digital Microphone - A power supply device, a processing chip for a digital microphone and related digital microphone are described herein. In one aspect, a power supply device includes: at least two cascaded low-dropout linear regulators. In another aspect, a processing chip for digital microphone includes a processing module and a power supply module, wherein the power supply modules includes at least two cascaded low dropout linear regulators. In another aspect, a digital microphone includes a microphone and a processing chip, wherein the processing chip includes a processing module and a power supply module, wherein the power module includes at least two cascaded low-dropout linear regulators. Embodiments described herein provide a power supply device with higher PSRR. | 04-12-2012 |
Jian Min Jian, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20080222103 | System, and method for interactive browsing - The present invention provides a system and method for achieving interactive browsing. Said system is coupled to a knowledge base and a document database, said knowledge base stores a plurality of terms and information relating to each term, and said document database stores a plurality of documents. Said system comprises term acquiring means, for acquiring terms in which a user has much interest; first extracting means, for extracting information relating to the terms in which the user has much interest, from the knowledge base; second extracting means, for extracting documents containing the terms in which the user has much interest, from the document database; a first display part in a user interface, for displaying information extracted by the first extracting means; and a second display part in the user interface, for displaying a list of the documents extracted by the second extracting means. With the present invention, one can browse both documents and information on terms in the documents in a single interface. | 09-11-2008 |
Li Jian, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20090157409 | METHOD AND APPARATUS FOR TRAINING DIFFERENCE PROSODY ADAPTATION MODEL, METHOD AND APPARATUS FOR GENERATING DIFFERENCE PROSODY ADAPTATION MODEL, METHOD AND APPARATUS FOR PROSODY PREDICTION, METHOD AND APPARATUS FOR SPEECH SYNTHESIS - A method includes, generating, for each parameter of the prosody vector, an initial parameter prediction model with a plurality of attributes related to difference prosody prediction and at least part of attribute combinations of the plurality of attributes, in which each of the plurality of attributes and the attribute combinations is included as an item, calculating importance of each item in the parameter prediction model, deleting the item having the lowest importance calculated, re-generating a parameter prediction model with the remaining items, determining whether the re-generated parameter prediction model is an optimal model, and repeating the step of calculating importance and the steps following the step of calculating importance with the re-generated parameter prediction model, if the re-generated parameter prediction model is determined as not an optimal model, wherein the difference prosody vector and all parameter prediction models of the difference prosody vector constitute the difference prosody adaptation model. | 06-18-2009 |
Luan Jian, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20090171660 | METHOD AND APPARATUS FOR VERIFICATION OF SPEAKER AUTHENTIFICATION AND SYSTEM FOR SPEAKER AUTHENTICATION - A method for verification of speaker authentication comprises inputting a test utterance containing a password that is spoken by a speaker, extracting an acoustic feature vector sequence from the inputted test utterance, obtaining a matching path between the extracted acoustic feature vector sequence and a speaker template enrolled by an enrolled speaker, calculating a matching score of the obtained matching path upon considering spectral change of the test utterance and/or spectral change of the speaker template, and comparing the matching score with a predefined discriminating threshold to determine whether the inputted test utterance is an utterance containing a password spoken by the enrolled speaker. | 07-02-2009 |
Rong Jian, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20100037949 | DYE SENSITIZED SOLAR CELL AND A WORKING ELECTRODE THEREOF - A dye sensitized solar cell contains a working electrode including a filamentous conductive substrate and a sensitized semi-conductor film, in which the sensitized semi-conductor film has a porous film structure, which is made of semi-conductor particles of different sizes absorbed with sensitizing dye molecules. The sensitized semi-conductor film is coated over the outer surface of the filamentous conductive substrate. The filamentous conductive substrate has rich source and small volume, and is easy to be deformed, convenient for processing, and assessable for series-parallel connection. Therefore, the solar cell is suitable for narrow and irregular-shaped space that needs specific driving power. | 02-18-2010 |
Yingrong Jian, Beijing CN
| 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 |
| 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 |
Yinrong Jian, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20090278039 | Detection Method for an Ion Migration Spectrum and an Ion Migration Spectrometer Using the Same Method - This invention discloses a detection method for an ion migration spectrum which comprises: acquiring an ion migration spectrum of pure carrier gas and an ion migration spectrum of carrier gas containing a test substance sample; and performing differential process on the ion migration spectrum of said pure carrier gas and the ion migration spectrum of the carrier gas containing the test substance sample to acquire a differential spectrum, wherein the value of a characteristic peak of said differential spectrum represents properties of said sample of substances, said method avoids interferences on the migration spectrum from interference sources of the apparatus itself, thereby improving detection sensitivity and accuracy of the ion migration spectrum; and migration spectrum shift caused by variations in the environmental conditions can be found and corrected through the differential process on the migration spectrum of the pure carrier gas, thereby achieving self-stableness and self-correction of the ion migration spectrometer. This invention further discloses an ion migration spectrum detector and an ion migration spectrometer using said method. | 11-12-2009 |
Zhang Jian, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20100169947 | SYSTEM AND METHOD FOR MOBILE USER AUTHENTICATION - As individuals increasingly employ their wireless devices to engage in different types of activities they face a growing threat from, possibly among other things, identity theft, financial fraud, information misuse, etc. and the serious consequences or repercussions of same. Leveraging the ubiquitous nature of wireless devices and the popularity of (Short Message Service, Multimedia Message Service, etc.) messaging, an infrastructure that enhances the security of the different types of activities within which a wireless device user may participate through dynamically configurable levels of authentication. The infrastructure may optionally leverage the capabilities of a centrally-located Messaging Inter-Carrier Vendor. | 07-01-2010 |