Abstract: According to an exemplary implementation, a transmitter includes a decoder circuit receiving a digital input from a digital back-end circuit. The decoder circuit includes a plurality of decoder cells. Each of the plurality of decoder cells is configured to drive a respective current source cell in a current source circuit so as to convert the digital input into an analog output. Each of the plurality of decoder cells has respective decoder logic. Furthermore, the digital input from the digital back-end circuit is respectively received by each of the plurality of decoder cells.

Abstract: A method for fabricating a device is disclosed. An exemplary method includes providing a substrate and forming a plurality of fins over the substrate. The method further includes forming a first opening in the substrate in a first longitudinal direction. The method further includes forming a second opening in the substrate in a second longitudinal direction. The first and second longitudinal directions are different. The method further includes depositing a filling material in the first and second openings.

Abstract: A surgical milling cutter includes a milling cutter holder, a locking device, a locking seat, and a main machine. The milling cutter holder includes a fixing seat with a through hole. A finger guider with an L-type holder on a top end thereof is arranged at an upper part of the fixing seat. A distal end of a short side of the L-type holder is disposed with a downward projection, and a lowest point of the projection is lower than that of a cylindrical head when the milling cutter works normally. A bolt with a central through hole is fixed in a cavity of the finger guider. A pressing disk is arranged at the upper part of the fixing seat, and a nut is connected to the bolt through a hole in the pressing disk.

Abstract: Computer-implemented methods and apparatus to perform a valid transfer of an electronic mobile ticket on a mobile device by a ticketing application system of a ticket processing center. One method includes: receiving a first electronic message from a first user, where the first message includes an encrypted electronic mobile ticket and a mobile device number of a second user, and where the electronic mobile ticket is encrypted with a key shared between the first user and the ticketing application system; decrypting the encrypted electronic mobile ticket; generating an electronic mobile ticket encrypted with a key shared by the ticketing application system and the second user; and transmitting a second electronic message that includes the electronic mobile ticket encrypted with the key shared between the ticketing application system and the second user to a mobile device of the second user.

Abstract: According to an exemplary embodiment, a serializer includes upper and lower shift registers configured to perform a load function where parallel input data is loaded from a parallel input bus and a shift function where the parallel input data is shifted to an output register. The upper shift register is configured to perform the load function while the lower shift register performs the shift function, and the lower shift register is configured to perform the load function while the upper shift register performs the shift function. An output register is configured to alternately receive the parallel input data from the upper shift register and the parallel input data from the lower shift register. The upper and lower shift registers and the output register can comprise scan flip-flops.

Abstract: A surgical milling cutter includes a milling cutter bracket, a locking device and a bottom electric motor connected successively. The milling cutter bracket includes a fixing seat with a through hole. A finger guide apparatus with an L-type first bracket at the top end thereof is provided on the upper part of the fixing seat. The end of the L-type first bracket's short side is provided with a downward projection. The lowest point of the projection is lower than that of the milling cutter's cylindrical head when the milling cutter is working normally. The surgical milling cutter utilizes the projection to prevent the possibility of an object contacting with the cylindrical head, thus avoiding an object being cut unevenly. Meanwhile, the L-type bracket can be driven by the finger guide apparatus to rotate so as to change the running direction of the milling cutter, thus facilitating surgical procedures.

Abstract: A surgical milling cutter bracket includes a retaining base having a through hole. The upper part of the retaining base is provided with a finger guide having an L-shaped support frame on the top of the finger guide. A downward protrusion is provided at the end of the short side of the L-shaped support frame. The lowest point of the protrusion is lower than the lowest point of the cylindrical head of the milling cutter during normal operation of the milling cutter. A bolt having a through hole at the center is fixed within the cavity of the finger guide. A depressor is provided on the upper part of the retaining base. The bolt passes through a hole of the depressor and is connected to a nut. The protrusion is able to prevent an object from contacting the cylindrical head, thus avoiding cutting the object unevenly.

Abstract: A drill bit locking device and a drill bit are provided. The locking device includes a boss with a through hole, a bearing and a support member are arranged an inner wall of a small cylinder above the boss; a locking sleeve is sleeved over the boss, a first bulge is on an inner wall of an upper part of the locking sleeve, and a second bulge is on an inner wall of a lower part; a spring is between the second bulge and an upper bottom surface of the boss; a press plate is threadedly connected with an outer wall of a top part of the small cylinder and presses against the first bulge; holes of different sizes are on the inner wall of the small cylinder and the support member to form a stepped hole, and a steel ball is arranged in the stepped hole.

Abstract: A drill head locking apparatus and a drill head are provided. The locking apparatus includes a protruding platform having a through hole, a bearing on the inner wall of a small cylinder on the protruding platform, a locking sleeve fitted on the protruding platform, and a protrusion arranged on the upper part of the inner wall of the locking sleeve. The lower part of the inner wall of the locking sleeve is a conical face. A spring is arranged between the bottom face of the conical face and an upper bottom face of the protruding platform. A press plate is connected with a screw thread on the outer wall of the top part of the small cylinder on the protruding platform and presses down on the protrusion. A conical hole is arranged on the wall of the small cylinder and communicates with the through hole of the protruding platform.

Abstract: A craniotomy drill includes a main machine, a retarder and a locking seat. A drill transmission rod connected to the output shaft of the retarder is inserted in the locking seat. The main machine comprises a handle at the lower portion and an accommodating part at the upper portion, with a stator and a rotor of a DC electric motor being provided inside the accommodating part and a wall of the accommodating part being the stator housing of the DC electric motor. This craniotomy drill has a simple structure with the wall of the accommodating part as the stator housing of the electric motor, such that the volume and the weight are reduced. It is safe in use without the risk of the electric motor sliding out. By utilizing materials and processes of water resistant technology and an integrative design, a relatively good water resistant performance is achieved.

Abstract: An image zooming method for adjusting an image in a monitor display area includes the steps of setting at least one focus region in the image in the monitor displaying area; obtaining a focus center in accordance with the focus region; setting a zooming rate of the image; obtaining a shift vector in accordance with a display center of the monitor display area, the focus center and the zooming rate; and shifting the image in the monitor display area in accordance with the shift vector, and setting the size of the image in the monitor display area in accordance with the zooming rate.

Abstract: The method for processing a sensor chip in accordance with the present invention has: 1) providing an acoustic wave operation system and a biochemical sensor chip, wherein the acoustic wave operation system has a piezoelectric transducer generating at least one cycle of longitudinal acoustic waves by a driving voltage and wherein a probe is immobilized on a surface of the biochemical sensor chip; 2) arranging the piezoelectric transducer at a distance from the biochemical sensor chip and filling therebetween with a medium for transmitting longitudinal acoustic waves; and 3) applying longitudinal acoustic waves to the biochemical sensor chip to remove an adsorbate bound to the probe.

Abstract: A preparation method of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide is provided, which includes the steps of preparing the crude product and crystallizing, wherein acetone and water are used as solvents in the step of crystallizing. The (S)-oxiracetam prepared by the method of the present invention has high purity of more than 99.3% and low impurity of 0-0.5%, based on the percentages of the mass. According to the method of the present invention, with regard to the way of charging materials, adding inorganic base only just a few times is easier to handle and more convenient to the industrial manufacturing and application.

Abstract: A crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, or named (S)-oxiracetam, is provided, which is characterized by a powder x-ray diffraction pattern that exhibits data of d-values versus the relative intensities as: 7.075(M), 5.355(S), 5.092(S), 4.590(M), 4.325(M), 4.259(S), 4.041(VS), 3.808(M), 3.542(M), 3.445(M), 3.393(M), 2.972(M), 2.914(S). A method for preparing a crystal form I of (S)-oxiracetam is also provided, which includes preparing the crude product and crystallizing A use of the crystal form I of (S)-oxiracetam in the manufacture of a medicament for preventing and treating memory dysfunction is also provided. Accordingly, the crystal form I of (S)-oxiracetam prepared by the method has high purity of more than 99.3% based on the percentages of the mass, with better efficacy than (S)-oxiracetam for preventing or treating memory dysfunction.

Abstract: A method for prompting by suggesting the stroke order of a Chinese character, an electronic device, and a computer program product are provided. The electronic device includes a database for storing codes of Chinese characters, and at least one stroke order of at least one handwriting of each of the Chinese characters. In the present method, when a character input through a phonetic transcription input method installed in the electronic device is identified, at least one Chinese character code corresponding to the input character is obtained from the database, and a stroke order of a handwriting of the input character from the database is shown according to the Chinese character code. Accordingly, a user is assisted to memorize the stroke orders of Chinese characters when the user inputs Chinese characters.

Abstract: A porous tantalum used for medical implantation is provided, which includes a foam structure with three-dimensional interconnecting pores and produced by: mixing a solution made by organic binder and dispersant and tantalum powder to form tantalum slurry, casting the tantalum slurry into a organic foam body through impregnation until the pores of the organic foam body are filled, drying the impregnated organic foam body with the tantalum slurry to remove the dispersant, degreasing the dried organic foam body to separate the organic binder and the organic foam body from the dried tantalum slurry in a protective environment of inert gas, vacuum sintering the dried tantalum slurry to obtain a porous sintered body, and vacuum annealing then treating the porous sintered body with normal post-treatments to obtain the porous tantalum. Accordingly, the porous tantalum has well-distributed interconnecting pores and sintering neck structures resulting in good mechanical properties, and especially good ductility.

Abstract: A method and apparatus for Single Sign-on, wherein the user accesses a platform server and at least one service provider on the platform server. The method includes intercepting a request sent by the user via a client browser and extracting a domain name included in the request. If the domain name is an original domain name of the platform server, a global session ID is generated for uniquely identifying a session between the user and the platform server. A new domain name of the platform server associated with the global session ID is generated and the URL in the request is redirected to a new URL including the new domain name of the platform server. The request, including the new URL of the platform server, is forwarded to the platform server.

Abstract: According to an exemplary embodiment, a serializer includes upper and lower shift registers configured to perform a load function where parallel input data is loaded from a parallel input bus and a shift function where the parallel input data is shifted to an output register. The upper shift register is configured to perform the load function while the lower shift register performs the shift function, and the lower shift register is configured to perform the load function while the upper shift register performs the shift function. An output register is configured to alternately receive the parallel input data from the upper shift register and the parallel input data from the lower shift register. The upper and lower shift registers and the output register can comprise scan flip-flops.

Abstract: A synchronization method used in a receiving terminal of an orthogonal frequency division multiplexing (OFDM) system is illustrated. The synchronization method includes following steps: (a) receiving an OFDM training symbol at the receiving terminal, wherein the OFDM training symbol includes many sample points; (b) calculating first function values according to the sample points by using a first function; (c) selecting D timing points from many timing points corresponding to the first function values, wherein D first function values of the D timing points are larger than a first threshold value; (d) calculating D second function values of the D timing points by using a second function; and (e) selecting a first timing point from the D timing points, and setting the first timing point as a timing synchronization point, wherein the second function value of the first timing point is a first one greater than a second threshold value.

Abstract: The present invention relates to a biochip with a piezoelectric element for ultrasonic standing wave generation. The biochip comprises an upper module, a lower module, and a chemical sensor. The piezoelectric element is integrated within the upper module of the biochip. The piezoelectric element can generate ultrasonic standing waves (USW) in the reaction chamber of the biochip by manipulating the operation frequency so the particles being detected can effectively move toward the QCM sensing surface. Hence, the biochip significantly increases the sensitivity and reduces the time required to reach equilibrium when undergoing USW excitation. The biochip of the present invention can be broadly applied to the bio-detection in medical and pharmaceutical fields.