Patent application number | Description | Published |
20080214025 | Electrical socket connector with a load lever having self-biasing device - Provided herewith a land grid array socket comprises an insulative housing having a plurality of contacts. The insulative housing has a top surface for receiving a land grid array package. A cover member is pivotally mounted on a first end of the insulative housing. The cover member is pivotal between an open position and a closed position where the cover member presses the land grid array package toward the top surface of the insulative housing so that the land grid array package electrically connects to the contacts. A lever is pivotally mounted on a second end of the insulative housing and has a tilted shaft portion biasing against the second end thereof so as to create a self-biasing force with respect to the reinforce plate | 09-04-2008 |
20080318459 | Land grid array socket with improved fastening structure - a fastening structure comprises a stiffener including a first end and a second end opposite to the first end. A load plate is pivotally supported on a first end of the stiffener and has a pair of lateral walls. A lever is pivotally mounted on the lateral walls of the load plate and a locking portion to lock the load plate to the stiffener. An LGA socket using the fastening structure comprises an insulative housing having a plurality of contacts. A stiffener includes a first end and a second end and is positioned on a bottom surface of the insulative housing. A load plate is pivotally attached on the first end of the stiffener and has at least a lateral sidewall. A lever is pivotally mounted on the lateral sidewall, the lever and the load plate is being pivotal between an open position and a closed position together, the lever has a transverse locking portion to lock the load plate to the stiffener near the second end of the stiffener. | 12-25-2008 |
20100015861 | CONTACT HAVING LEAD-IN ARRANGEMENT IN BODY PORTION FACILITATING SMOOTH AND RELIABLE INSERTION - An electrical connector includes a base defining at least a passageway extending from an upper surface of the base to a bottom surface of the base. An electrical contact is inserted into the passageway from the bottom surface and includes a retention portion engaging with an inner wall of the passageway. A lead-in chamfer is formed on an edge of the retention portion and toward the inner wall such that the lead-in chamfer is offset away an edge of the inner wall of the passageway and the contact is inserted by guiding of the chamfer. | 01-21-2010 |
20100035455 | SOCKET CONNECTOR HAVING POSITIONING MEMBERS FOR ORIENTATING COVER AND BASE THEREOF - A socket connector ( | 02-11-2010 |
20110039437 | SOCKET CONNECTOR WITH A CAM - A socket connector ( | 02-17-2011 |
20120015540 | SOCKET CONNECTOR PROVIDED WITH COVER ROTATABLY MOUNTED ON BASE - A socket connector for electrically connecting a PGA package comprises a base having at least one passageway therein, at least one contact received in the at least one passageway and a cover rotatably mounted on the base and having at least one through hole corresponding to the passageway. The socket connector has a simple structure. | 01-19-2012 |
20120178308 | ELECTRICAL CONNECTOR HAVING IMPROVED COVER PLATE - An electrical connector includes a base ( | 07-12-2012 |
20130335198 | Method for dynamic authentication between reader and tag, and device therefor - The present disclosure discloses a method for dynamic authentication between a reader and a tag, and an implementing device therefor, to solve the technical problem of necessity of dependence of a traditional authentication method on a real-time, online, reliable and secure connection with a background database, as well as lack of means for highly autonomous authentication of a tag by a reader. In the present disclosure, only a legitimate reader can obtain corresponding tag authentication information from an authentication database and authenticate or update a corresponding tag status; only a legitimate tag can be processed by the legitimate reader; during the authentication, a dynamic updating mechanism is used for a tag ID which ensures forward security; the reader stores tag information using a hash table and thus increases an authentication speed; data synchronization is achieved cleverly by means of a counting value. The use of a random number guarantees that a different data packet is used for every authentication, thus hiding tag position information effectively and offering excellent security. | 12-19-2013 |
Patent application number | Description | Published |
20110027529 | BAMBOO SCRIMBER AND MANUFACTURING METHOD THEREOF - A bamboo scrimber includes a plurality of pressure-pressed bamboo strips impregnated with an adhesive and modified through heat-treatment. Each of the bamboo strips is formed with a plurality of slots penetrating through the bamboo strip substantially in a direction of thickness defined by the bamboo strip. A substantially longitudinal direction defined by the slots is substantially consistent with a substantially longitudinal direction defined by fibers of the bamboo strip. | 02-03-2011 |
20130162179 | VIBRATION EXCITER SYSTEM WITH A FEEDBACK CONTROL UNIT BASED ON AN OPTICAL LINEAR ENCODER - The vibration exciter system with a feedback control unit based on an optical linear encoder comprises a vibration exciter, a signal generator and a power amplifier. The exciter system further comprises an optical linear encoder converting the displacement of the moving component of the exciter into A/B pulse with a phase difference of 90°, a filtering, shaping and level translator unit converting the A/B pulse into standard pulse with standard shape and level, a subdivider and orientation recognizer unit refining the standard pulse and recognizing the moving orientation, an analog converter unit converting the refined standard pulse into analogue signal that reflects the displacement of the moving component. The standard signal outputted by the signal generator and the converted analogue signal are inputted into a subtracter as the minuend and subtrahend respectively. The output of the subtracter is inputted into the power amplifier and then into the vibration exciter as a driving signal. The present invention has a high precision. | 06-27-2013 |
20130234628 | ELECTROMAGNETIC VIBRATION EXCITER SYSTEM WITH ADJUSTABLE ELECTRO-VISCOELASTIC SUSPENSION DEVICE - The electromagnetic vibration exciter system with an adjustable electro-viscoelastic suspension device comprises an electromagnetic vibration exciter, a power amplifier and an adjustable electro-viscoelastic suspension device, which acts as the suspension device of the electromagnetic vibration exciter. The adjustable electro-viscoelastic suspension device contains a displacement sensor detecting the displacement of the moving component, a first adjustable amplifier and a second adjustable amplifier, a differentiator, an adjustable phase shifter, an adder and a proportioner. The linearity of the stiffness and damping of the exciter system is excellent, which can be adjusted as need through the adjustment of gain of the adjustable amplifier, the proportioner, the adjustable phase shifter. This invention has adjustable and linear parameters and it is also easy to be realized. | 09-12-2013 |
20140033955 | PRECISION TILTING PLATFORM DEVICE USED FOR STATIC CALIBRATION OF SEISMOMETERS - A precision tilting platform used for static calibration of seismometers is composed of a base, a worktable, a rotary part, a driving part, a measuring part and supporting frames. The rotary part is composed of a shaft, a driving arm, a rotary table and a clump weight. The shaft is fixed on the left and right supporting frames. The driving part and clump weight are assembled beside the two sides of the driving arm. The driving part is composed of a linear motor, a sliding table, a pair of linear guides and sliders and a grating scale. The readhead of the grating scale is fixed with the base and sends out the signal of zero position when the worktable is horizontal. The sliding table is closely contacted to the driving arm. When the linear motor is moving forward, the rotary part is pushed by the sliding table and rotates toward the positive direction. When the linear motor is moving backward, the sliding table is pulled backward and the rotary part rotates toward the negative direction because of the gravity of the clump weight. The measuring part is composed of a laser interferometer and a reflector that reflects the laser beam back to the laser interferometer to obtain the tilting angle of the worktable, on which the reflector is mounted. The present invention has the advantage of high positioning accuracy, high transmission efficiency and wide application. | 02-06-2014 |
20140140179 | INFRASOUND GENERATING DEVICE BASED ON A DISPLACEMENT-FEEDBACK TYPE VIBRATION EXCITER - The infrasound generating device based on a displacement-feedback type vibration exciter comprises a displacement-feedback type vibration exciter system, an infrasound generating chamber ( | 05-22-2014 |
Patent application number | Description | Published |
20090266181 | Hand-Held Swipe Sampling Device - The present invention relates to a hand-held swipe sampling device which can continuously supply sampling swabs. The swipe sampling device comprises a hand-held portion and a swipe sampling portion, wherein the hand grip portion is a rectangular housing in the interior of which contains a continuous sampling swab space, with a bottom cover provided on the underside of the sampling swab space, and a sampling swab outlet provided at an upper end of one side of the sampling swab space; a front end face of the swipe sampling portion configured as an accurate swipe sampling surface and provided with a sampling swab cutter. The sampling device according to the present invention is designed in a manner that continuous folded sampling swabs can be mounted and used in the sampling device such that the device can be used for many times after each mounting of the sampling swabs, thereby simplifying the mounting operations, reducing the contamination opportunities and facilitating the storage of the sampling swabs. | 10-29-2009 |
20090289183 | SAMPLE PROCESSING SYSTEM AND SAMPLE PROCESSING METHOD FOR TRACE DETECTOR - A sample processing system and a sample processing method for a trace detector are disclosed. The system comprises a sampling substrate for collecting a substance or substances from the surface of an object to be tested by contacting the sampling substrate with the surface of the object, and a trace detector. The trace detector includes a sample feeding device provided with a sample feeding part. The substance collected by the sampling substrate can be transferred to a surface of the sample feeding part so that the substance transferred to the surface of the sample feeding part can be detected. With the configuration of some embodiments of the present invention, a sampling substrate made of chemical fiber is used to collect a sample from the surface of an object to be tested by contacting the sampling substrate with the surface of the object to be tested. The sample collected by the sampling substrate is mechanically transferred to a metal film or mesh of the sample feeding device of the trace detector. Then, the metal film or mesh of the sample feeding device is heated to vaporize the sample and to release the sample vapor into the trace detector. Therefore, the efficiency of sample collection and desorption processes can be improved. In addition, the direct heating of a sampling substrate can be avoided so as to decrease the interference of the sampling substrate with trace detection. | 11-26-2009 |
20100028212 | SAMPLE ANALYZER FOR TRACE DETECTING DEVICE - The present invention discloses a sample analyzer comprising a heater and a sample feeding carrier, wherein the heater and the sample feeding carrier are integrally formed, such that the positional relation between the sample feeding carrier and the heater is fixed. Compared with the prior art, since the heater and the sample feeding carrier of present invention is formed integrally, the positional relation between the sample feeding carrier and the heater is fixed, accordingly, the consistency in heating-up of the sample is enhanced. Moreover, because the sample feeding carrier and the heater are made of low capacity material, the change of the temperature is rapid during the heating process, as a consequence, the analyzer consumes less power and could achieve a rapid temperature control. | 02-04-2010 |
20100269930 | Device for Intermittently Jetting Gas - A device for intermittently jetting gas includes a gas source, a gas conduit with one end being communicated with the gas source and the other end being in communication with a nozzle, a rotary disc and a motor, the disc being mounted on a rotating shaft of the motor for rotating along with the shaft, wherein the rotary disc is provided with at least one opening through which a gas in the gas conduit is jetted when the opening is aligned with the outlet of the gas conduit. The device can freely adjust the gas jetting frequency by adjusting the rotation speed of the motor, and thus increase the gas jetting frequency and effectively flow off the suspicious particles carried in the human clothes. | 10-28-2010 |
20110139975 | TRACE DETECTOR AND ANALYTICAL METHOD FOR TRACE DETECTOR - A trace detector is disclosed. The trace detector comprises: a desorption chamber defining a desorption region, and the desorption chamber has a housing. The housing has a sample feeding port for introducing a substance to be detected into the desorption chamber and a gas discharge port for discharging gas entraining the sample from the desorption chamber. A controller is used for controlling the trace detector in such a manner that the sample feeding port and the gas discharge port are in fluid communication with the desorption chamber during pre-concentration process of the trace detector, thereby continuously feeding and collecting the sample. With the above manner, data collecting, processing and analyzing processes may be performed by the trace detector throughout the sample feeding process and the gas pre-concentrating process. The trace detector has an excellent detecting period of time whether the substance to be detected in the gas is in a high concentration state or a low concentration state, and the trace detector can perform continuous sampling for a long time, thereby improving a ratio of the amount of trapped substance to the amount of the substance entrained in the gas to be detected and the amount of the cumulated trapped substance, decreasing the probability of failing to detect the substance, and increasing detection sensitivity. In addition, the detection efficiency of the detector is increased during the gas pre-concentration process. | 06-16-2011 |
20110290041 | Sampling component, sampling device and ion mobility Spectrometer - The present invention discloses a sampling component comprising a sampling body that can be electrically heated and the outer surface of which has a wiping sampling area; and an insulated handle that is connected with one longitudinal end of the sampling body. The sampling component according to the present invention contacts directly the contacts of an external power supply after being disposed in a analysis chamber, the power supply is turned on to heat the sampling body so as to realize sample pyrolysis, and the power is turned off immediately after the sampling component is taken away. Thus, the power supply of the sampler can work discontinuously so that the power consumption of the system is reduced, meanwhile, the system malfunction caused by a long-term work of the sampling device under a high temperature can be avoided. The present invention further discloses a sampling device having said sampling component and an ion mobility spectrometer having the sampling device. | 12-01-2011 |
20140353494 | ELECTRODE STRUCTURE FOR ION DRIFT TUBE AND ION DRIFT TUBE INCLUDING THE STRUCTURE - An electrode structure for an ion drift tube and an ion drift tube with the electrode structure are disclosed. The electrode structure comprises an annular electrode. The annular electrode has an inner edge bent towards one side such that a section of a central portion of the annular electrode has a swallowtail shape. With the ion drift detection instrument, ions in a drift state can travel along focusing electric lines of force, and since the high-voltage intervals between the electrodes are increased at a uniform acceleration, the generated electric field enables the ions to be in a uniformly accelerated drift state so that both the sensitivity and resolution of the mobility spectrum of the detection instrument can reach optimum. | 12-04-2014 |
Patent application number | Description | Published |
20130342328 | Method and Device for Improving the Energy Efficiency Performance of a Reader - A method for improving energy efficiency performance of a reader is disclosed in the present document. The method includes: initializing and adjusting operation parameters, and acquiring the current number of frame timeslots; updating a frame timeslot status, and determining that a power level is not required to be increased according to the updated frame timeslot status; and estimating the number of labels according to the current number of frame timeslots, and acquiring an optimum Q value according to the number of labels. A device for improving energy efficiency performance of a reader is also disclosed in the present document. With the method and device of the present document, throughput of a Radio Frequency Identification (RFID) system is maximized, thereby reducing energy consumption of the system and extending usage time of the system; and while the energy consumption is reduced, a rate at which the reader reads the labels is guaranteed. | 12-26-2013 |
20140022997 | Reporting Method, Detection Method, Device And System For Network State - Disclosed are a reporting method, a detecting method, device and system for a network state. The reporting method for a network state includes: an intermediate node receiving a data packet; the intermediate node marking the data packet according to the current network state; and the intermediate node forwarding the marked data packet. The detecting method for a network state includes: a sink node receiving a data packet; the sink node parsing the data packet to obtain the marking information about the network state; and the sink node determining the network state according to the marking information. With the present document, the problem of heavy network burden due to a method of determining the network state with an active inquiry mode is solved, thus prolonging the service life of each node and optimizing the performance of the system. | 01-23-2014 |