62results about How to "Fixed length" patented technology

A wireless circuit (1100, 1190) for tracking an incoming signal and for use in a network (2000) having handover from one part (Cell A) of the network to another part (Cell B). The wireless circuit includes a processor (CE 1100) responsive to the incoming signal, the processor (CE 1100) operable to generate pulse edges representing network-based receiver synchronization instances (RSIs), and a timekeeping circuitry (2420, 2430, 2450) including an oscillator circuitry (2162), the timekeeping circuitry (2420, 2430) operable to maintain a set of counter circuitries (2422-2428) including a counter circuitry (2422) operable to maintain at least one network time component based on the RSIs and another counter circuitry (2428) operable at least during handover and during loss of network coverage for maintaining at least one internal time component (NC) based on the oscillator circuitry (2162), the set of counter circuitries (2422-2428) operable to account for elapsing time substantially gaplessly and substantially without overlap between the time components during a composite of network coverage, loss of network coverage and handover, and the timekeeping circuitry further including a time generator (2450) for combining the time components from the set of counter circuitries (2422-2428) to generate an approximate absolute time (SGTB). Other electronic circuits, positioning systems, methods of operation, and processes of manufacture are also disclosed and claimed.

A P2P network flow identification method based on the character of transport layer extracts the character of P2P application in the transport layer by analyzing the data packet generated by the P2P application, and realizes the P2P application identification according to the character of the transport layer. The method only uses the character information of the several front data packets of the network flow to realize the effective identification of P2P application at network flow establishing initial stage and effectively realize the control of P2P application. Synchronously, the method only uses two characters of data packet direction and data packet message length of eth transport layer; the method is simple and convenient; the method has little system cost without analyzing and detecting the data packet load and realizes the real-time on-line application.

A fishing reel includes a spool that includes a cylindrical spool drum 15, a disk-shaped inner flange 16 mounted on or alternatively formed at one end of the spool drum 15, and outer flange 17 mounted by four bolts 17a to the spool drum 15. Inner flange 16 is formed such that it opposes the side plate of the reel body, and male screw part 16a is provided protruding at the center part thereof. The outer flange 17 is formed by press forming an aluminum alloy, for example.

A camera apparatus (100) includes: a first housing (1) including a lens section (10); a second housing (2) including an image pickup section (20); and a connecting section (3) which connects the first and second housings (1) and (2). During image pickup, a focal length is specified by a contact between a bottom surface of a lens holder (12) which is exposed in the first housing (1) and a top surface of a transparent cover section (25) which is exposed in the second housing (2). This allows a realization of a camera apparatus in which a focal length is specified with high accuracy.

A foldable light source module and a backlight module with the light source module are provided. The light source module includes a first substrate, first light sources, a second substrate, and second light sources. The first substrate has a first surface and a first connecting portion. The first light sources are arranged in a line and disposed on the first surface. A first gap is kept between the neighboring first light sources. The second substrate which has a second surface and a second connecting portion is disposed parallel to the first substrate, wherein the second surface faces the first surface, and the second connecting portion connects to the first connecting portion. The second light sources are arranged in a line and disposed on the second surface. A second gap is kept between the neighboring second light sources. At least a portion of the second light source extends into the corresponding first gap and, conversely, at least a portion of the first light source extends into the corresponding second gap.

The invention relates to the technical field of steelmaking, and provides an all-scrap continuous steelmaking system and a smelting process. Through the division of the scrap steel smelting process into six procedures of preheating, fusion, preliminary smelting, refining, finishing and casting, the different smelting procedures can be performed in different devices; through the cooperation betweencontinuous feeding and continuous casting, the dynamic balancing of material and energy flow among a smelting bed, a refining bed and a tundish can be kept, thereby achieving stable, efficient, low-cost, high-quality and long-life all-scrap continuous steelmaking production; and by the use of the all-scrap continuous steelmaking system and the smelting process, the electricity consumption per tonof steel can be reduced by 50 kWh or above, the energy consumption can be reduced by 10 kgce or above, the product quality can be improved, the smelting rhythm can be accelerated, and the productioncost can be reduced.

A frequency-domain audio codec is provided with the ability to additionally support a certain transform length in a backward-compatible manner, by the following: the frequency-domain coefficients of a respective frame are transmitted in an interleaved manner irrespective of the signalization signaling for the frames as to which transform length actually applies, and additionally the frequency-domain coefficient extraction and the scale factor extraction operate independent from the signalization. By this measure, old-fashioned frequency-domain audio coders / decoders, insensitive for the signalization, would be able to nevertheless operate without faults and with reproducing a reasonable quality. Concurrently, frequency-domain audio coders / decoders able to support the additional transform length would offer even better quality despite the backward compatibility. As far as coding efficiency penalties due to the coding of the frequency domain coefficients in a manner transparent for older decoders are concerned, same are of comparatively minor nature due to the interleaving.

A charging structure for an electric vehicle comprises a power supplying pile body, a rotating groove is formed in the power supplying pile body, a storage groove is formed in the right end surface of the power supplying pile body, a suspension groove is formed in the upper end wall of the storage groove, and a rotating motor is fixedly mounted in the upper end wall of the rotating groove; a rotary shaft is connected on the rotating motor in a power mode, a wire winding wheel is fixedly mounted on the rotary shaft, and a charging cable is wound on the wire winding wheel; a sliding chute is further formed in the power supplying pile body, the sliding chute is located below the rotating groove and extends up and down, a mounting groove is formed in the rotary shaft, and the opening of the mounting groove faces the sliding chute; a conductive column is fixedly mounted in the mounting groove, the lower end of the conductive column extends into the sliding chute, and the top end of the charging cable extends into the mounting groove and is fixedly connected with the conductive column; and a sliding block is mounted in the sliding chute and can slide up and down, a conductive groove matched with the conductive column is formed in the upper end surface of the sliding block, and sliding arms are symmetrically arranged on the left and right sides of the upper end surface of the sliding block.

The present invention discloses a completely laparoscopic staged hepatectomy using round-the-liver ligation, which is carried out as follows: (1) a complete laparoscopic operation is performed with general anesthesia using round-the-liver ligation, the branches of the portal vein of the hemiliver to be removed are ligated, meanwhile a tourniquet is used to tighten the connecting part between the right and the left hemilivers to block the communicating blood flow between the hemiliver to be removed and the hemiliver to be reserved, a drainage tube is put into the peritoneal cavity at the hepatic hilus, then close the peritoneal cavity, and the operation is completed; (2) the patient gradually resumes eating after the first operation, and recuperate for 6-15 days to make the volume of the hemiliver to be reserved increase to the expected volume of the future liver remnant, in which the expected volume of the future liver remnant should be at least 30-40% of the standard liver volume; (3) after the volume of the hemiliver to be reserved has increased to the expected volume of the future liver remnant, a complete laparoscopic liver resection is carried out with general anesthesia to remove the diseased hemiliver, and then the patient is nursed to be completely recovered.

A router has a function of providing a label used for transferring a datalink frame by a cut-through operation (i.e., datalink-layer switching). Whether the cut-through operation is to be performed or not is indicated by a cut-through declarator described in a prescribed portion (e.g., OUI field) within an upper-layer-protocol identifying information region (e.g., SNAP field) of a received frame or signaling message. The information described in the remaining portion (e.g., PID field) within the upper-layer-protocol identifying information region and the information described in the destination or source datalink-layer address region of the received frame or signaling message are used as the label for identifying in the datalink layer a packet flow to which a received frame belongs.

The invention relates to an integrated transport tool for vehicle body large components of a rail transit vehicle. The integrated transport tool comprises a bearing base, a middle support frame, a top cover frame and a plurality of tension devices, wherein the bearing base, the middle support frame and the top cover frame are fixed together sequentially from bottom to top to form a bearing whole, at least two vehicle top large components or at least two sets of vehicle body side wall large components can be placed in the bearing whole, and one vehicle top large component corresponds to one set of vehicle body side wall large components; the length of the bearing whole is matched with the length of the vehicle top large components, and the width of the bearing whole is matched with the width of the vehicle top large components; the plurality of tension devices are symmetrically mounted on two sides of the bearing whole. The integrated transport tool can save the transport cost effectively, the structural design is reasonable, trivial connecting means are not needed, the tool can perform whole hoisting, conveying and storing after being fixed into a whole by the tension devices, is convenient and fast, and saves manpower and material resources for loading and unloading; besides, the integrated transport tool can be used for product storage, has diverse functions and adapts to various conditions well.

The invention discloses a plate shearing machine capable of assisting feeding and discharging. The plate shearing machine capable of assisting the feeding and discharging comprises a plate shearing machine body, wherein a plate feeding assisting mechanism and a plate discharging assisting mechanism are correspondingly arranged at the front side and the rear side of the plate shearing machine body; the plate feeding assisting mechanism comprises a feeding rack; conveying rollers for conveying a plate are arranged at intervals on the feeding rack; the plate discharging assisting mechanism comprises a discharging rack; two baffle plates, which are vertically mounted and parallel to each other, are arranged on the discharging rack; elongated slide holes are correspondingly formed in the two baffle plates; a positioning plate which is mounted in the elongated slide holes in a slide matching manner is arranged between the two baffle plates; a positioning inserting hole is formed in the positioning plate; a positioning baffle plate is mounted on the positioning inserting hole. The plate shearing machine capable of assisting the feeding and discharging further comprises a control system; the control system comprises a controller, a contact sensor which is mounted on the positioning baffle plate, and a control circuit for controlling the plate shearing machine body to act; the controller is electrically connected with the contact sensor and the control circuit.

A camera apparatus (100) includes: a first housing (1) including a lens section (10); a second housing (2) including an image pickup section (20); and a connecting section (3) which connects the first and second housings (1) and (2). During image pickup, a focal length is specified by a contact between a bottom surface of a lens holder (12) which is exposed in the first housing (1) and a top surface of a transparent cover section (25) which is exposed in the second housing (2). This allows a realization of a camera apparatus in which a focal length is specified with high accuracy.

A portable apparatus is provided for “spotting” a gymnast while performing routines on a balance beam. The balance beam spotting apparatus comprises a rigid frame having a lower frame portion adapted to be supported upon the floor, a correspondingly sized and configured upper frame portion supported above and parallel to the lower frame portion by legs attached at either end to corresponding comers of the lower and upper frame portions and a support assembly operable within the frame. The length of each frame portion is slightly longer than the length of a standard balance beam such that the frame may be positioned around a balance beam. The support assembly includes cables that extend from the top of one leg to the top of the other leg on each side of the frame. Means are provided for tensioning the cables to maintain an appropriate tension in each cable. A pulley operates on each cable along the length of the cable. A spotting strap is suspended by one end from each of the pulleys. The other end of each spotting strap is attached to a swivel on either side of the spotting belt worn by the gymnast. The length of the spotting straps is adjustable to accommodate the height of the gymnast. The swivel permits the gymnast to perform flips and other movements while using the spotting belt without binding or twisting the spotting straps. In use, the balance beam is placed within the frame such that the balance beam extends centrally along the length of the frame, beneath and parallel to the tensioning cables. Thus, the gymnast is able to move along the length of the balance beam while practicing routines and to practice skills without the physical assistance of a spotter or coach.

The invention discloses a method for improving security of IPv6 protocol data packets. The method comprises the steps of expanding identity options in IPv6 target option packet headers, wherein the options comprise fields such as an option type, option length, an option version, a reservation field, an autonomous domain number, user identity, a time stamp and a digital signature; and the method discloses the meaning, a data generation mode and an implementation method of each field. According to the method, the identities are added to data packets sent by a user, and the identities are prevented from being counterfeited, tampered and reversely deduced; an overall mechanism is beneficial for enhancing the accountability of the internet and reducing counterfeit attack behaviors of the internet; and the method has positive significance to establishing the safe and credible internet.

On a data recording medium which is divided into sectors and can be accessed on the sector unit basis, when encoded data is divided every predetermined length, a header is added, the data is packetized, a header is further added to the packet to thereby form the pack data, and the resultant data is recorded, if the stuffing is necessary, the stuffing data is inserted to the last of a data area of the packet. Thus, a length of pack header can be fixed. There is no need to provide a padding packet. A situation such that a PES header is encrypted is prevented and no problem occurs when encryption is performed.

An optical system for imaging an object on an image acquisition unit has a variable focal length for zooming. The optical system has precisely three lens units from the object in the direction of an image acquisition unit, namely a first lens unit, a second lens unit, and a third lens unit. The second lens unit and the third lens unit are movably situated along an optical axis of the optical system for a change of the focal length. The first lens unit includes a first lens group and a second lens group. The first lens group of the first lens unit is fixedly situated on the optical axis of the optical system. The second lens group of the first lens unit is movably situated along the optical axis of the optical system for focusing. The second lens group includes at least two lenses.

A power umbilical, a DEH power cable or general umbilical, including a plurality of high power cables for transfer of large amounts of electric energy, filler material in the form of stiff elongate plastic elements located at least partially around and between the high power cables, which together are collectively gathered in a spiraled bundle by means of a laying and closing operation, and a protective sheath that encapsulates the high power cables and the filler material is shown. The high power cables are at intervals in the longitudinal direction of the cables, provided with frictional material which cooperate with the filler material for frictional engagement with and load transfer between each other.

The invention provides an encryption method supporting a non-monotone access structure, with a constant cipertext length and capable of searching an attribute set. The method comprises the following advantages that (1) the method supports the non-monotone access structure which can express a more flexible access strategy compared with a monotonic access structre; (2) the calculation cost in the index encryption phase is fixed, and the length of a generated searchable ciphertext is constant; (3) a trapdoor generated in a trapdoor generation phase of the method is constant in length; (4) the calculation cost in the detection phase of the encryption method is constant; and (5) the encryption method support valid attribute cancelation. Thus, the method supports the more flexible access structure, and greatly reduces the calculation and communication cost of the encryption scheme capable of searching the attribute set. The encryption method is more suitable for a mobile facility whose storage space and computing capability are limited, such as a smart phone or IPad.

A microwave signal coupling apparatus comprises a micro-strip plate, a transmission microstrip, a coupler, a distributor, a pi attenuator, a detector V1, a filter circuit, a grounding microstrip and a resistor R6. An isolation resistor R1 is arranged between a first output terminal and a second output terminal of the distributor. The coupler comprises an input terminal and three output terminals. The three output terminals are a first output terminal of the coupler, a second output terminal of the coupler and a third output terminal of the coupler. A first input terminal of the coupler is taken as an input terminal of the whole apparatus. The second output terminal of the coupler is taken as a first output terminal of the whole apparatus. The second output terminal of the coupler is connected to an input terminal of the distributor. The first output terminal of the distributor is taken as a second output terminal of the apparatus. The second output terminal of the distributor, an input terminal of the pi attenuator, an output terminal of the pi attenuator, the detector V1 and an input terminal of the filter circuit are successively connected in series through the transmission microstrip. The apparatus has advantages of advanced functions, reliable quality, convenient usage and a wide suitable range.

There is provided a band pass filter comprising three or more resonant-line holes disposed in a dielectric block, a resonant line formed on each inner surface of the holes, and an outer conductor disposed on the outer surfaces of the dielectric block so that a dielectric filter is formed; wherein one end of the resonant line is a short-circuited end, and the other end thereof is an open end; the sectional area size of each of the resonant-line holes is changed at a certain point in the axial direction of the resonant-line hole; the sectional area size on the short-circuited-end side or open-end side of at least one of the plurality of resonant-line holes is made differently from those of the other resonant-line holes; and regarding the resonant-line holes symmetric with respect to a symmetry axis made at the center in a direction in which the plurality of resonant-line holes is aligned, the sectional area sizes of the short-circuited-end side or open-end side thereof are made the same so as to form coupling between adjacent resonant lines.

A cutting board, including retaining holes in a side surface thereof, each retaining hole including a screw hole at an end side of the retaining hole and a first fitting portion at an opening side of the retaining hole; projecting rods inserted into the retaining holes each include a cylindrical second fitting portion and a threaded portion to be screwed onto the screw hole with ends of the second fitting portion projecting from the side surface of the cutting board; a remaining portion of each first fitting portion is fit into the fitting portion of each retaining hole; each projecting rod is pivoted in a forward and reverse direction to allow the threaded portion thereof to move in a left and right direction within the screw hole; the length of each of the projecting portions projecting from the side surface of the cutting board is adjusted to fasten each projecting rod.

A method of sealing a well comprises creating one or more openings in a tubing installed in a wellbore, in a location for a well seal; using a wireline to locate a stinger in that location; setting the stinger in that location; and forming a seal in the well in that location, by injecting sealant through said stinger.

The invention discloses an electric pole shield. The electric pole shield comprises a shield body structure and a first anti-shedding structure, wherein the shield body structure at least comprises afirst shield body and a second shield body set outside the first shield body, the first shield body and the second shield body are tubular structures set on an electric pole in a foldable mode, the inner diameter of the first shield body is tightly matched with the outer diameter of the electric pole to make the first shield body be unable to move downwards relative to the electric pole under theaction of gravity, the inner diameter of the second shield body is greater than the outer diameter of the first shield body to make the second shield body freely fall relative to the first shield bodyunder the action of gravity, and the first anti-shedding structure is suitable for preventing the second shield body from being disengaged from the first shield body from a lower end of the first shield body when the shield body structure is set on the electric pole. The electric pole shield is advantaged in that the shield body structure is set to have the first shield body and the second shieldbody set outside the first shield body, adjustment on length of the electric pole shield can be realized through adjusting the overlapping portion between the first shield body and the second shieldbody, and a problem of fixed length of an electric pole shield in the prior art is solved.

A retractable multifunctional dog leash that contains an outer shell, a retractable rope in the outer shell, and a position limiting stopper at a front end of the retractable rope to prevent the retractable rope from completely retracting back into the outer shell. A roller device releasing and retracting the retractable rope is provided inside the outer shell; a sound generator is also provided on the outer shell to generate sound directly. The dog leash is easy to carry and use, and its retractable rope can be easily adjusted to extend and retract as desired