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Hai Wang

Hai Wang, Poing DE

Patent application numberDescriptionPublished
20100293388PROTECTING SECRET INFORMATION IN A PROGRAMMED ELECTRONIC DEVICE - This disclosure provides a way for securely protecting secret information—for example, a secret key—in a programmed electronic device. A technique is disclosed for protecting secret information in a programmed electronic device that includes a non-trusted memory containing software, a data memory containing the secret information, and an access restriction logic unit that is adapted to allow or block access to the secret information wherein the secret information is adapted to be used for verifying the integrity of the software. In one embodiment, when starting up the programmed electronic device, the access restriction logic unit allows access to the secret information. Then the secret information is accessed for use in verifying the integrity of the software, and subsequently the access restriction logic unit blocks further access to the secret information. Embodiments of a semiconductor device and a programmed electronic device comprising similar features are also disclosed.11-18-2010

Hai Wang, Chongqing CN

Patent application numberDescriptionPublished
20080275330Mri Guided Ultrasound Therapy Apparatus - This invention provides a MRI guided ultrasound therapy apparatus. It comprises a static field magnet adapted to apply a static magnetic field in an magnetic resonance volume at a predetermined disposition; at least one ultrasound energy applicator adapted to apply energy within an energy application zone at a predetermined disposition; and The mechanical positioning means for moving said ultrasound energy applicator to position the applicator so that the energy application zone intersects said magnetic resonance volume within said region of the subject. In that apparatus, the static field magnet is open at both ends or open at side. The sided open is upward or downward and the mechanical positioning means of this ultrasound energy applicator is close to and is located outside of this sided open. This invention reduces the space limitation for the mechanical positioning means of the ultrasound transducer. Meanwhile, the non-magnetic requirement on the mechanical positioning means become less greatly and particularly the problem of interference from magnetic field produced by working current of the transducer power cord to MRI system can be solved.11-06-2008
20090036802Swing Type High-Intensity Focused Ultrasound Therapeutic Apparatus and Mri Guided High-Intensity Focused Ultrasound Therapeutic System Having Such a Swing Type Apparatus - The present invention belongs to the technical field of ultrasound therapy, and relates to a swing type high-intensity focused ultrasound therapeutic apparatus and an MRI guided high-intensity focused ultrasound therapeutic system having such a swing type apparatus. The swing type high-intensity focused ultrasound therapeutic apparatus comprises an ultrasound transducer and a moving-locating mechanism thereof, wherein said moving-locating mechanism adopts a swing mechanism which is connected to the ultrasound transducer by a supporting rod. The MRI guided therapeutic system comprises this swing type therapeutic apparatus. In the present invention, the ultrasound transducer moves freely in multiple dimensions and the moving-locating mechanism adopts a swing mechanism, so the interference generated by the MRI guided high-intensity focused ultrasound therapeutic system on the MRI apparatus is quite small and thereby the quality of the ultrasound image obtained is good.02-05-2009
20090093708MRI guided high-intensity focused ultrasonic therapeutic system - A MRI guided high-intensity focused ultrasonic therapeutic system comprises: a MRI apparatus and a high-intensity focused ultrasonic therapeutic apparatus. Said MRI apparatus includes the first treatment bed and said high-intensity focused ultrasonic therapeutic apparatus includes an ultrasound transducer and a moving and positioning means, which drives said transducer to move in respective directions. Wherein, said moving and positioning means is placed outside of the bore of the MRI apparatus during treatment and a supporting rod, which can extend into the bore of the MRI apparatus, is connected to said moving and positioning means at one end and is connected to said ultrasound transducer at the other end. In the system provided by the present invention, said ultrasound transducer can move in multiple orientations, freely move without any limitation of space under the treatment bed, brings less interference to the MRI apparatus, fully exerts the function and efficiency of the MRI apparatus and achieves the best therapeutic effects.04-09-2009
20090259129Resonance Ultrasonic Transducer - The present invention provides a resonance ultrasonic transducer. The resonance ultrasonic transducer comprises an ultrasound source for transmitting ultrasound, and a reflecting unit disposed opposite to the ultrasound source. The ultrasound source and the reflecting unit Constitute a resonance cavity. The reflecting unit can also act as an ultrasound source. A specific distribution of the acoustic field may be formed in the resonance cavity by matching the transmitting acoustic field of one ultrasonic transducer with the reflecting acoustic field of the other ultrasonic transducer. This resonance ultrasonic transducer can be widely used in ultrasonic diagnosis device, ultrasonic therapy device and ultrasonic detection devices and carries out effective focusing and controlling of an ultrasonic fled.10-15-2009
20100018315Electromagnetic Ultrasonic Transducer and Array Thereof - An electromagnetic ultrasonic transducer and an array thereof are provided. This electromagnetic ultrasonic transducer includes a support, an elastic board disposed on the support, a magnetizer on the elastic board, and a magnet field generator for vibrating the magnetizer, wherein, the thickness of the magnetizer is of the order of microns. The thickness of the elastic board is also of the order of microns. This electromagnetic ultrasonic transducer is able to produce acoustic waves of high frequency, which are useful for ultrasonic therapy.01-28-2010
20100174188High Intensity Focused Ultrasound Therapeutic System Guided by an Imaging Device - A high intensity focused ultrasound therapeutic system guided by an imaging device is provided and includes an ultrasound therapeutic applicator which contains an ultrasound transducer (07-08-2010
20100234773Ultrasonic Therapeutic Means and An Ultrasonic Therapeutic System of Using the Same - An ultrasonic therapeutic means and an ultrasonic therapeutic system including the ultrasonic therapeutic means and guided by an imaging device are provided. The ultrasonic therapeutic means includes an ultrasonic therapeutic applicator (09-16-2010

Patent applications by Hai Wang, Chongqing CN

Hai Wang, Hangzhou CN

Patent application numberDescriptionPublished
20090327044Method and apparatus for providing data statistics - Providing data statistics includes receiving property information of selected products input by users, searching and locating a Standard Property Union (SPU) corresponding to the property information in a database, the SPU comprising a set of one or more products sharing a set of one or more properties, generating behavior data, including by summarizing a cumulative number of behavioral instances associated with each product in the set of products included in the SPU, and outputting the behavior data.12-31-2009
20100145910Method and system for efficient data synchronization - Data synchronization includes establishing a plurality of target data tables based on a source data table in which data to be synchronized is stored, determining a current target data table from the plurality of target data tables, synchronizing the source data table and the current target data table, and directing an application server to access the current target data table upon successful completion of synchronization.06-10-2010
20100211464Targeted Online Advertising - A method of targeted online advertising provides to a user advertisements that meet the user preferences. The method stores user information of users, organize the users into user layers, identifies the stored user information of a visiting user based on a user identifier, and identify a target user layer associated with the visiting user. The method then determines a targeted advertisement type for the visiting user based on the favorite advertisement type of the target user layer and the user information of the current visiting user, and accordingly selects a targeted advertisement to be presented to the visiting user. The user information of the visiting user and the related user layer(s) are updated with the new user information including the records of the user's visit activities. The method provides targeted ads to users, and improves the click rates and the efficiency of the online advertisements.08-19-2010

Hai Wang, Arcadia, CA US

Patent application numberDescriptionPublished
20090220702METHOD FOR PREPARING METAL OXIDE CRYSTALLINE NANOPARTICLE FILMS FOR DYE SENSITIZED SOLAR CELL PHOTOANODES - A method for manufacturing a dye sensitized nanocrystal film having the steps of exposing a tin oxide layer on a surface of a substrate to a flame for a time sufficient to form a layer of mesoporous, crystalline titanium oxide on the fluorinated tin oxide layer followed by sintering the substrate at a temperature of from about 300 to about 500° C. The flame contains a fuel gas, such as ethylene and oxygen and titanium organometallic. The concentration of titanium organometallic is from about 10 to about 2000 ppm. During the flame exposure step, the substrate is rotated about a central axis at a speed of from about 100 to about 600 RPM, and the flame is kept at a constant distance from the surface of the substrate. The temperature of the substrate is maintained at a temperature of less than 200° C. via the rotation and jets of gas.09-03-2009
20090233000Method for preparing electrically conducting materials and devices including same - Processes for depositing conductive materials on substrates are disclosed which include combusting a premixed fuel and oxidant to form a stagnation flame against a moving article or substrate which stabilizes the stagnation flame and introducing at least one precursor to the flame to form a conducting material onto the substrate.09-17-2009
20100140560MULTICOMPONENT NANOPARTICLE MATERIALS AND PROCESS AND APPARATUS THEREFOR - Multicomponent nanoparticles materials and apparatuses and processes therefor are disclosed. In one aspect of the disclosure, separate particles generated from solution or suspension or by flame synthesis or flame spray pyrolysis, and the resultant particles are mixed in chamber prior to collection or deposition. In another aspect of the disclosure, nanoparticles are synthesized in stagnation or Bunsen flames and allowed to deposit by thermophoresis on a moving substrate. These techniques are scalable allowing mass production of multicomponent nanoparticles materials and films. The foregoing techniques can be used to prepare composites and component devices comprising one or more lithium based particles intimately mixed with carbon particles.06-10-2010

Hai Wang, Shenzhen CN

Patent application numberDescriptionPublished
20100111766AUTOMATIC ANALYSIS APPARATUS AND OPERATION METHOD THEREOF - Disclosed is an automatic analysis apparatus and its operation method. The apparatus includes a reaction disk for carrying cuvettes and driving the cuvettes to rotate or to stop at predetermined positions, a reagent dispensing mechanism for injecting a reagent into the cuvettes, and a sample dispensing mechanism for injecting a sample into the cuvettes. The reagent dispensing mechanism includes a reagent needle, and the sample dispensing mechanism includes a sample needle. In each working cycle, the reaction disk is started to move and stopped at least twice respectively, and the reagent needle and the sample needle perform corresponding adding operations to the cuvette in different stopping stages. The approach may perform different tests in lower cost, can avoid restriction to the relative position of the needles, and is beneficial to the overall layout design of the apparatus.05-06-2010

Hai Wang, Jiangsi CN

Patent application numberDescriptionPublished
20100086112 Communications Device and Method for Selecting a Missed Call Reminder Alert - A communications device and method for selecting a missed call reminder alert by comparing an identifier associated with a telephone number of an unattended received communications call with a database of alert profiles stored a memory of the communications device. The comparing identifies a call reminder alert time profile for the unattended received communications call. Next, there is performed a selecting, from the database of alert profiles, an identified call reminder alert time profile for the unattended received communications call. Thereafter, the communications device and method provide for emitting the missed call reminder alert based on the identified call reminder alert time profile.04-08-2010

Hai Wang, San Diego, CA US

Patent application numberDescriptionPublished
20080221154HIV-INTEGRASE INHIBITORS, PHARMACEUTICAL COMPOSITIONS, AND METHODS FOR THEIR USE - Bicyclic hydroxamate compounds represented by the Formula I:09-11-2008
20110144315CONTROLLED SYNTHESIS OF POLYGLUTAMIC ACID - Disclosed herein are processes for obtaining polyglutamic acid. The processes disclosed herein are controlled processes for obtaining polyglutamic acid with a desired weight average molecular weight.06-16-2011

Patent applications by Hai Wang, San Diego, CA US

Hai Wang, Sugar Land, TX US

Patent application numberDescriptionPublished
20120033792OPTIMAL DETECTOR POSITION FOR GAMMA BACKSCATTER - A method for determining the density of a fluid that includes disposing a gamma-ray source proximate to a vessel containing the fluid is provided. The optimal position of a gamma-ray detector with respect to the gamma-ray source is determined. A gamma-ray detector is position at the optimal position, and the density of the fluid is measured.02-09-2012