A method to tune an emission wavelength of a laser diode (LD) finely is disclosed. The method first controls a temperature of the etalon filter in T1 or T2, where the transmittance of the etalon filter becomes 40 to 50%, assuming a height between the peak and the bottom of the periodic transmittance to be 100%, at the grid wavelength λ1 or λ2, respectively. Then, the temperature of the LD is adjusted such that the intensity of light emitted from the LD and transmitted through the etalon filter becomes 40 to 50%.

The invention provides a laser converter for converting a laser radiation of shorter wavelength to a laser radiation of longer wavelength using a single stage conversion. The laser converter comprises a laser diode for emitting a laser radiation in a first wavelength range, a cylindrical microlens for transferring and focusing the laser radiation to a laser chip and the laser chip for absorbing the laser radiation and emitting the laser radiation in a second wavelength range.

A device including one or more layers with lateral regions configured to facilitate the transmission of radiation through the layer and lateral regions configured to facilitate current flow through the layer is provided. The layer can comprise a short period superlattice, which includes barriers alternating with wells. In this case, the barriers can include both transparent regions, which are configured to reduce an amount of radiation that is absorbed in the layer, and higher conductive regions, which are configured to keep the voltage drop across the layer within a desired range.

Disclosed are a scanner and an image reading apparatus including the same. The scanner can include a transparent plate, a scanning unit configured to scan a document on the transparent plate, a first sensor and a second sensor. The first sensor is positioned in a first document zone that is associated with an area in which a first document type is to be positioned based on a first alignment reference point provided on the transparent plate. The second sensor is positioned in a second document zone that is associated with an area in which a second document type of a different size is positioned based on a second alignment reference point provided on the transparent plate. The first document zone and the second document zone are non-overlapping zones. The document type and/or orientation can be determined based on the detection signals from the first and second sensors.

A device is provided to shape a spine of a book casing positioned horizontally spread out flat and oriented to be distributed evenly over a spine of a book block. Two fold-shaping rails are arranged extending in a direction parallel to one another. A movable, shaping tool is arranged to face the inside of the book casing spine to shape a web on the book casing spine with the aid of the two fold-shaping rails. The shaping tool includes two spaced-apart support bars that extend parallel to the fold-shaping rails and are arranged to be adjustable so that together they adjust the web width of the book casing spine in a direction transverse to the direction of extension of the fold-shaping rails.

A sheet processing apparatus which is capable of improving operability while suppressing an increase in apparatus size. In a front cover insertion mode, an insertion sheet for a front cover is inserted into a bundle of sheets on which images have been formed, and in a rear cover insertion mode, an insertion sheet for a rear cover is inserted into the bundle of sheets. Insertion sheets for the front cover and insertion sheets for the rear cover are set with the same orientation in a manual feed tray 105. An insertion sheet for the front cover stored in the manual feed tray 105 is conveyed to a finisher 500 in one of a face-down state and a face-up state. An insertion sheet for the rear cover stored in the manual feed tray 105 is conveyed to the finisher 500 in the other of the face-down state and the face-up state. The insertion sheets for the front cover and for the rear cover conveyed from the manual feed tray 105 and the sheets on which images have been formed are stacked on the finisher 500.

In a device for cutting to length and feeding spine strips (3) for a case maker (1), a center strip conveying device (30) is provided that advances the spine strip material (5, 6) by the spine width (BS) transverse to the board feed direction (23) in a cyclic fashion. The spine width (BS) can be changed from work cycle to work cycle without accumulating additional waste. This can be realized because the previously required width sizing on the material web is eliminated.

Disclosed are various embodiments relating to verifying a printed work comprises a correct number of pages. Associated with a stack comprising one or more pages is an identifier that may be used to obtain an expected thickness of the pages in the stack. A sensor may then measure an actual thickness of the pages in the stack. Before binding the pages in the stack, the expected thickness of the stack may be compared to the actual thickness of the stack in order to verify the stack comprises the correct number of pages.

Methods for creating customized children's storybooks with fingerprint art using fingerprint-ready templates stored in association with a software application on a desktop computer, a tablet computer, or a smart phone. The methods include the use of preconfigured templates and prompted discussions that elicit responses from the child to create text for the storybook. The text may be generated by speech recognition software processing digital audio recordings of the child's responses. A digital image of the child's fingerprint is acquired and the fingerprint image and/or the storybook scenes are scaled to fit each other. Fingerprint-ready image templates are used to facilitate the creation of fingerprint art. A completed page image is formed by digitally inserting a fingerprint into the fingerprint-shaped area, and if desired, coloring the image or drawing a scene around the image. When the scenes are completed the software application compiles the book pages and prints the same.

A machine for attachment of a cover to a book block comprises a press plate elevating mechanism for elevating a press plate 8, a nip plate drive mechanism for sliding nip plates 9 and 10, and a controller 30 controlling the press plate elevating mechanism and the nip plate drive mechanism. The press plate 8 elevates from the lower standby position to an upper press position. The press plate 8 presses the cover 12 to the book block 4 at the upper press position. The cover 12 is attached to the book block 4 by pressing the cover 12 to the lower end surface of the book block 4. The press plate 8 is elevated from the intermediate position to the upper press position, staying at the intermediate position during a waiting time for adjustment. The press plate 8 elevates from the intermediate position to the upper press position.

A female thread member capable of preventing seizing caused by inclined insertion, and being smoothly fastened from any directions in which a bolt is inserted, and a fastening member using the female thread member. A non-thread portion is formed on an inner peripheral surface of a female thread member body having a female thread for a length corresponding to at least one pitch from an end surface on a bolt-inserting side, and a projection which comes into contact with a flank surface of a male thread of an inserted bolt is formed on a line extending from a helical line of the female thread. The female thread member is used in combination with the bolt having no incomplete thread portion, and there is no adverse possibility of seizing regardless of any directions in which the bolt is inserted.

A security fastener, for use with a corresponding key, having a channel in a head of the security fastener for receiving the key, the bottom of the channel being profiled wherein the depth of the channel varies along the length of the channel; a key for use with a security fastener; a combination, or a kit of parts, comprising a security fastener; a method of manufacturing a security fastener; and a method of processing an order for a security fastener.

The blind rivet for fastening together a plurality of mounted components with mounting holes comprises a rivet body having a sleeve, a flange and a through hole; a mandrel having a slender stem and a head; and a washer. The head of the mandrel is adjacent to the sleeve-side end portion of the rivet body, the stem of the mandrel extends through the rivet body from the flange-side end portion, and the washer is mounted near the flange on the outer periphery of the sleeve of the rivet body. A portion of the outer peripheral surface of the sleeve adjacent to the flange is swaged to form a recessed portion so that the diameter in the other position is enlarged. The washer is pushed onto the enlarged-diameter portion and secured. The mounted components are fastened together between the enlarged end portion of the sleeve and the washer.

A fastening element includes a holding part with a support plate and expanding cheeks, and a locking part guidingly received in the holding part. The expanding cheeks include cantilevered walls formed adjacent the support plate, which are offset radially outwardly with respect to a guide wall of the support plate which guides the locking part. The locking part can be pushed through the support plate substantially without force until it reaches inwardly protruding ramp projections formed on the expanding cheeks, which provide a better lever ratio for spreading the expanding cheeks.

A fastening unit (1,101) for fastening an object to a profile element (80) with a longitudinal slot (85). The profile element having an upper side formed by a flanges which define between them the longitudinal slot. The fastening unit includes an oblong metal anchoring element (2) for engaging behind the flanges, a washer element (4) for engaging the upper side of the flanges and a support element. The support element (3) is connected to the anchoring element and associated with the washer element. The connection between the support element and the anchoring element includes two or more connecting legs (36) which are formed integrally with a body of the support element and extend each through an associated recess in the anchoring element. The connecting legs at their distal ends have a retaining lug (37) for preventing that the anchoring element can be released from the distal ends of the connecting legs. The support element comprises one or more spring elements (36) associated with the connecting legs and a stop surface (31a) for engagement with the upper side of the anchoring element. The one or more spring elements act to push the anchoring element from the underside away from the retaining lugs so as to bias the upper side of the anchoring element against the stop surface of the support element.

An assembly comprising at least two non-metal components which are fixed to each other using at least one fixing system. The fixing system includes a fixing device with a fixing element which is provided with a head and a rod, and a crimping ring which is in contact with one of the components. A protection device is a part of the fixing system which delimits a cavity for confining gas around a portion of the device comprising the crimping ring. In order to improve the repeatability of the operation for positioning the protection device, a guiding device is provided which includes an assembly element on the portion of the fixing device, and an element for guiding the protection device.

A generator stator core through-bolt tensioning device that automatically tightens the nut on the through-bolts that hold together and compress laminate plates of the stator core in a high voltage generator. A controller receives a signal from a measuring device, such as a fiber Bragg grating that measures the strain on the bolt, and based on that signal determines whether the nut needs to be tightened. If the controller determines that tightening is necessary, it will cause the tensioning device to automatically tighten the nut while the generator is in service, and use the measuring device to provide feedback of the tensioning of the through-bolt to know when to stop the device from tightening the nut.

A threaded fastener for attaching an article of hardware to another article comprising a material selected for example from the group consisting of wood, particle board, plastic and fiberglass. The article of hardware is provided with at least one through hole and the article of hardware is fixed to the article by the threaded fastener extending through the through hole in the article of hardware. A shaft of the threaded fastener is provided with a thread that is not a self tapping thread cutting thread; and a tapered shank of the threaded fastener is provided with a self tapping thread cutting thread.

A fastener includes a cylindrical shaft, a screw head located at an uppermost portion of the cylindrical shaft and comprising a tool indentation therein, a threaded portion on the cylindrical shaft comprising a plurality of external threads, and a countersinking portion located between the threaded portion and the screw head and comprising a cutting section. The countersink portion is tapered from a first diameter equal to a diameter of the threaded portion to a second diameter that is equal to or larger than a diameter or a maximum width of the screw head. The countersinking portion is configured to form a countersink hole in a receiving material as the fastener is rotated and forced into the receiving material.

Safety apparatuses for objects having at least one nut are disclosed. Contemplated apparatuses comprise a base, one or more nut caps, and one or more electronic sensors configured to acquire data related to a corresponding nut, wheel or tire. In some embodiments, a physical nut rotation indicator that can readily be observed by an operator is included, and a retention wall disposed on the base can operate in conjunction with the physical nut rotation indicator to block a rotation of a nut. Apparatuses are preferably configured to remain stable in harsher environments.

A screw with anti-loosening means, which includes a securing element with a ring portion and that can be inserted about a shaft of the screw under a head thereof and, with the screw in a state in which it is screwed on a base, prevents the screw from being turned back counter to a screwing-in direction. The securing element has on the ring portion, on a side facing the surface of the base, at least one projection which can be pressed into the surface when screwing in the screw. The securing element can have an outer circumferential region of the ring portion, with finger-like extensions which, with the securing element in the inserted state, extend along the circumference of the head and under spring-elastic forces of the securing element, contact a surface structure of the body that has an inhibiting action counter to the screwing-in direction. The extensions can have inwardly bent-off end portions which engage over the head, or a circumferential portion thereof protruding radially thereon, on an upper side thereof facing away from the shaft.

A fastener for attaching objects to channeled members wherein the objects have a hole extending therethrough and the channeled members have a longitudinal slot formed between projecting longitudinal walls. The fastener includes a button and a retainer. The button includes an abutment wall, an abutment surface and an axially extending slot. The retainer includes an engagement boss and a head at opposite ends of shaft. The retainer extends through the button slot. For attaching the object, the button extends through the object hole with the abutment wall adjacent the object and the abutment surface adjacent the channeled member. The retainer boss and part of the shaft extend through the longitudinal slot. The retainer is rotated for engaging the longitudinal walls with the boss. The longitudinal walls are sandwiched between the boss and the button abutment surface and the object is sandwiched between the channeled member and the button abutment wall.

A method and apparatus for an insulating cover for fasteners. In one advantageous embodiment, an apparatus comprises a washer and a cover. The washer is capable of receiving a fastener. The cover is capable of being secured to the insulating washer, wherein an insulating volume is created with the cover secured to the washer.

A system and method for positioning a tool. The system includes a base member configured to contact a first decking member and a second decking member; at least one base guide including a first end and an opposing second end, the first end coupled to the base member, the at least one base guide configured to position the base member relative to the first decking member and the second decking member; and an adjustable section coupled to the base member, the adjustable section configured to allow adjustment of at least one of a position and an angle of the tool relative to the base member. The system further includes a fastener configured to secure the first and/or second decking members to a joist.

An improved retention pin assembly and method of forming a pin assembly that uses a melt in a pocket without a metallurgical joint having been formed. The assembly can be generated by a method of forming a joint which includes providing a metal shaft and a member that is operable to receive the shaft. A pocket is formed within the member which operates to receive a melt pool. Next the shaft is inserted into apertures in the member. A welding or melting operation is then performed to create a melted portion that occupies the pocket. A joint is created using a retention pin.

In a mobile terminal having a security function, both convenience and security protection are realized so as to prevent a user from feeling bothersome. A mobile phone has an operation control unit which sets the operation of various functions of the mobile terminal to be unusable at any timing. When a used state determination unit determines that the mobile phone is not in an abnormal state and not left, the operation control unit controls operation of the various functions to maintain usable states.

Panel fasteners, panel assemblies, methods of assembly and installation of panel assemblies and panel fasteners, anchor systems, anchor systems with captive fasteners and assemblies are disclosed.

A threaded connector for securing a panel member to a structure and for adjusting the position of the panel member relative to the structure. The connector comprises an elongate one-piece stud, a first spacer, a threaded nut, a second spacer and a turning formation. The connector permits the panel member to be mounted on the stud and the stud to be rotated to adjust the position of the panel member relative to the structure.

A connecting arrangement is provided between a plastic component with at least two mutually adjacent and at least approximately parallel walls and another structural element, having at least one force-transmission element which is adhesively bonded to the plastic component via an adhesive bond on the plastic component in frusto-conical or spherical-segment-shaped depressions in the mutually adjacent walls of the plastic component. The force-transmission element has a carrying structure for the other structural element. With the exception of a possibly provided coating, the force-transmission element is composed only of metallic material and has a plate which is adapted to the depression in the outer wall of the plastic component, which outer wall is adjacent to the other structural element. The edge of the plate rests with interposition on the outer wall in the surrounding region of the depression, wherein the plate is connected via a web to an end section of the force-transmission element, which end section is adapted to the depression in the other inner wall of the plastic component. The depression is configured in the outer wall without a bottom to such an extent that the end section of the force-transmission element can be inserted through the outer wall into the recess of the inner wall.

A method and an anchor for supporting items on a substrate such as drywall. The anchor comprises a structure configured to carry the anchoring element in a minimal cross section configuration through an insertion hole and to effect a first expansion. The anchor further comprises an adjustable cap member configured to be moved to fixedly position the anchoring element to the non-accessible side of the substrate. The anchoring element comprises a base channel member, a top channel member, and a connector-pivoting element configured to pivotally connect the top channel member to the base channel member. The top channel member is configured to be nested with the base channel member in the minimal cross section configuration and to be pivotally rotatable via the connector pivoting element in the plane parallel to the non-accessible side of the wall, with the pivotal rotation of the top channel member providing the second expansion.

Methods, systems and devices are provided for displaying monitored activity data in substantial real-time on a screen of a computing device. One example method includes capturing motion data associated with activity of a user via an activity tracking device. The motion data is quantified into a plurality of metrics associated with the activity of the user. The method includes connecting the activity tracking device with a computing device over a wireless data connection, and sending motion data from the activity tracking device to the computing device for display of one or more of the plurality of metrics on a graphical user interface of the computing device. At least one of the plurality of metrics displayed on the graphical user interface is shown to change in substantial real-time based on the motion data.

A scanning circuit, comprising first signal lines, second signal lines, third signal lines, a drive unit configured to drive the first signal lines, first buffers configured to drive the second signal lines in accordance with signals of the first signal lines, second buffers configured to drive the third signal lines in accordance with the signals of the first signal lines, and a shift register having a first part to be driven by signals of the second signal lines and a second part to be driven by signals of the third signal lines, wherein the first to third signal lines include two signal lines arranged in parallel to each other and configured to transmit the in-phase signals.

A counter is provided, where, as the number of events that occur increases, the frequency in which the events are counted is scaled.

A wearable device has a carrier having an aperture. A device has a USB connection and a protrusion wherein the protrusion is received in the aperture to connect the device to a wristband. The device is a USB type device having athletic functionality. The device may further be configured to receive calibration data such that a measured distance may be converted to a known distance based on athletic activity performed by a user.

A counter includes a buffer unit and a ripple counter. The buffer unit generates at least one least significant signal of a count by buffering at least one clock signal until a termination time point. The ripple counter generates at least one most significant signal of the count by sequentially toggling in response to at least one of the least significant signal. The counter performs multiple data rate counting with enhance operation speed and reduced power consumption.

To suppress malfunctions in a shift register circuit. A shift register having a plurality of flip-flop circuits is provided. The flip-flop circuit includes a transistor 11, a transistor 12, a transistor 13, a transistor 14, and a transistor 15. When the transistor 13 or the transistor 14 is turned on in a non-selection period, the potential of a node A is set, so that the node A is prevented from entering into a floating state.

An open loop clock divider circuit includes (a) a first divider configured to receive an incoming clock signal and output a first divided clock signal, (b) a flying-adder synthesizer configured to fractionally divide the first divided clock signal and output a fractionally divided clock signal, and (c) a second divider configured to receive the fractionally divided clock signal and output a second divided clock signal. The open loop clock divider circuit advantageously provides a fractional divider in which there is no feedback loop between the source frequency (fs) and the destination frequency (fd). Methods of generating a divided clock signal involving the open loop clock divider circuit are also disclosed.

A digital fractional frequency divider for fractionally dividing a digital frequency signal can include a plurality of clock division counter modules, a plurality of sampling modules, and a summing module. The plurality of clock division counter modules can each receive an input clock signal that is phase-shifted from a remaining plurality of input clock signals. Each clock division counter module can generate a long periodic pulse from the received input clock signal. Each sampling module can couple to an output of one of the plurality of clock division counter modules and can generate a short periodic pulse from the long periodic pulse. The summing module can sum the plurality of short periodic pulses to generate a fractional frequency clock signal.

An output thin film transistor threshold voltage offset compensation circuit, a GOA circuit, and a display. The circuit includes: a first capacitor, comprising a first electrode and a second electrode, the first electrode being connected to the gate of an output thin film transistor and receiving a charge signal, the second electrode being connected to the drain of the output thin film transistor, the first capacitor being used for, under the action of the charge signal, making the first electrode and the second electrode have a same voltage, so that a voltage difference between the drain and the source of the output thin film transistor is equal to a threshold voltage thereof; a first switch unit, connected to the drain and the source of the output thin film transistor, and opening under the action of a first clock signal, so that a voltage difference between the gate and the source of the output thin film transistor is equal to the threshold voltage thereof.

One of the most important RF building blocks today is the frequency synthesizer, or more particularly the programmable frequency divider (divider). Such dividers preferably would support unlimited range with continuous division without incorrect divisions or loss of PLL lock. The inventors present multi-modulus dividers (MMDs) providing extended division range against the prior art and without incorrect divisions as the division ratio is switched back and forth across the boundary between two different ranges. Accordingly, the inventors present MMD frequency dividers without the drawbacks within the prior art.

The present invention relates to a liquid crystal display (LCD) device. More particularly, the present invention relates to an LCD device including a thin film transistor (TFT) compensation circuit in an LCD device which implements a driving circuit by using an oxide TFT, the LCD device capable of compensating for degraded characteristics of a TFT due to threshold voltage shift. As the compensation circuit including a dummy TFT is formed on a non-active area of the LC panel, the degree of threshold voltage shift of the DT due to a DC voltage can be sensed. Based on the sensed result, a threshold voltage of a second TFT can be compensated. This can reduce lowering of a device characteristic.

A display apparatus and a method for generating gate signal thereof are provided. The display apparatus includes a timing controller and a display panel. The timing controller is used for providing a plurality of timing signals. The display panel includes a pixel array and a gate drive circuit. The pixel array has a plurality of pixels. The gate drive circuit is electrically connected to the timing controller and the pixel array and including a plurality of shift register circuits. The shift register circuit includes a first shift register and a second shift register. The first shift register is configured for generating a corresponding primary gate signal. The second shift register is configured for generating a corresponding secondary gate signal. The timing controller adjusts overlapping relations of the timing signals according to a frame rate of the display apparatus.

There is provided a transport vehicle for transporting wind power installation rotor blades and/or pylon segments. The transport vehicle has a transport support structure having a main frame, a receiving frame fixedly connected to the main frame at a first angle, and a rotary displacement unit which is fixed with one end to the receiving frame and which at its second end has a blade adaptor for receiving a rotor blade or a pylon segment. The main frame spans a main plane. The rotary displacement unit has at least one first rotary mounting, wherein there is provided a second angle between the second rotary plane of the second rotary mounting.

Some embodiments include a novel laced strapping system that provides a plurality of attachment points by which a tie-down lace can adjust the fit of a cargo mesh webbing to secure loads of items in an open bed of a vehicle. In some embodiments, the vehicle is a pick-up truck with a cargo bed. In some embodiments, the mesh webbing comprises a first truck bed mesh, a second truck bed mesh, and the plurality of attachment points. In some embodiments, tie-down lace interconnects the attachment points to secure together the first mesh and the second mesh.

A bull ring for a vehicle comprises a top plate coupled to a rotating plate having a tie-down. Two opposing rail flanges extend from the rotating plate and a fastener selectively couples the rotating plate in a securing position relative to the top plate. The rail flanges extend beyond an outer edge of the top plate to define a clamping region with the top plate.

Some embodiments of the invention relate to function elements for fixing in seat rails of aircraft. The function element according to the invention may include: a fixing rail with a web running in the x direction and a multiplicity of extensions which protrude beyond the web in a y direction to form a T profile, wherein the fixing rail is formed corresponding to the seat rail such that the fixing rail can be inserted in the seat rail and moved along the x direction into a holding position in which the extensions sit between the holes below the slots, at least one fixing peg which is arranged mobile on the fixing rail and can be brought into a blocking position in which the fixing peg engages in a hole of the seat rail so that the function element is fixed in the x direction.

A fixture for attachment of an end of a member, such as a wind turbine tower section, blade or hub for a wind turbine characteristically has an end flange. To enable clamping while being able to compensate for different hole patterns in the flanges, by the invention, the fixture provides for retaining of ends of members with flanges, regardless of flange diameter and hole patterns, and which is also quickly and easily installed. Additionally, it is possible to firmly clamp the flange end to upstanding frame parts of the fixture with fastening elements, thereby providing a stable connection between a console of the fixture and the upstanding frame parts.

Method and apparatus for handling aerogenerator blades that provide a versatile means for handling aerogenerator blades without an unbalanced distribution of the loads in the blade. The method comprises positioning an upper mounting part (103) over the blade after the upper mold has been retracted; lifting the blade with the upper mounting part from the under mold using a lifting means; positioning the blade over an under mounting part (104) which is fixedly attached to an inferior movable support (102); attaching the upper mounting part to the under mounting part, wherein the upper and under mounting parts together have the inner surface substantially corresponding to the shape of the blade outer profile section. The invention further comprises an apparatus for handling aerogenerator blades.

An example wheel restraint includes a track to be positioned adjacent a vehicle approach path of a loading dock. A shuttle is pivotally coupled to the track via a track follower and pivots between a home position and a deployed position about a shuttle axis substantially parallel to and offset relative to a longitudinal axis of the track. A barrier is pivotally coupled to the shuttle and pivots between a non-blocking position and a blocking position about a pivot axis substantially parallel to and spaced apart from the longitudinal axis of the track such that the shuttle rotates in a first direction about the shuttle axis when the shuttle moves from the home position to the deployed position and bather rotates in a second direction about the pivot axis when the barrier moves from the non-blocking position to the blocking position, where the first direction being different than the second direction.

A fastening system includes an energy absorbing or impact indicator and at least one or more of the following: (1) a fastening base for mounting in an emergency vehicle, (2) a patient support engageable with a base, (3) a patient securement mechanism for securing a patient on a patient support, (4) a patient securement mechanism for securing a patient to a vehicle, (5) a patient support securement mechanism operable to secure a patient support in an emergency vehicle, or (6) a patient support securement mechanism operable to secure a patient support to a base, wherein the energy absorbing or impact indicator is located (1) at the patient securement mechanism, or (2) at the patient support securement mechanism, or wherein the energy absorbing or impact indicator is between (1) the base and the vehicle, (2) the patient support and the base, (3) the patient securement mechanism and the patient support, (4) the patient support and the emergency vehicle, (5) the patient and the emergency vehicle, or (6) the patient securement mechanism and the emergency vehicle, wherein the energy absorbing device or impact indicator has at least an energy absorbing state and a rigid state or indicates a level of impact at or between any of the respective component or components.