Abstract: The technology provides for an electronic device. The electronic device includes a housing, a display cover, and a modular component configured to provide a seal between the housing to the display cover. The modular component is configured to be attached to the housing. Further, the modular component includes a first surface configured to be attached to the display cover. The modular component includes a channel extending along the first surface, where the channel is configured to hold a liquid adhesive that bonds with the display cover. The modular component further includes a radial protrusion disposed on the first surface, the radial protrusion is configured to be in contact with the display cover when the display cover is attached to the housing and to prevent the liquid adhesive from moving out of the channel.

Abstract: A pack of lottery tickets includes a plurality of inter-connected lottery tickets fan-folded into a stack, wherein each lottery ticket comprises a first side edge. A code on each lottery ticket identifies the pack and an order or position of the lottery ticket in the pack. A marking pattern is printed along the first side edge of each of the lottery tickets and includes at least one mark. The pack has a side face defined by the stacked first side edges of the tickets in the stack, wherein the marking pattern on the lottery ticket side edges align so as to form a unique identification image on the side face of the pack. The marking pattern on each lottery ticket is unique to the respective ticket such that each lottery ticket in the pack can be separately authenticated at a later time by comparing its marking pattern to a retrieved or replicated image of the marking pattern based on the pack identification and order of the lottery ticket in the pack provided by the ticket code.

Abstract: This application relates to a portable electronic device that includes an integrated pressure sensor. The portable electronic device includes a housing that defines a cavity with a number of components disposed therein. The cavity is sealed to form a volume of air within the cavity that is vented to the external environment through a barometric vent fluidly coupled to a first opening in the housing. A sensor measures a characteristic of a second volume of air within an isolated chamber that is vented to the external environment through a second opening in the housing. The second volume of air is isolated from the first volume of air within the housing of the portable electronic device. In some embodiments, the portable electronic device is a mobile phone and the sensor is a pressure transducer.

Abstract: A measuring apparatus includes a base portion attachable to an attachment target object and a cover portion configured to be detachably attached to the base portion to accommodate a rod-shaped replaceable object inside the cover portion, and the cover portion includes a holding portion configured to hold the replaceable object with the cover portion attached to the base portion.

Abstract: In a sealing structure that seals a gap between a pressed wall and a pressing wall with a sealing member, the pressed wall and the pressing wall are coupled to each other in an orthogonal direction that is orthogonal to an opposing direction in which the pressed wall and the pressing wall are opposed toward each other so that the sealing member is kept in a state held between the pressed wall and the pressing wall. The sealing member includes a first inclined surface inclined relative to the orthogonal direction. The first inclined surface is pressed by the pressing wall in the orthogonal direction so that the sealing member is pressed at least in the opposing direction.

Abstract: A circuit board including electronic component and battery holder. Battery holder is fixed to circuit board and includes base, first conductive component and second conductive component. Base includes bottom portion and side portion. Bottom portion has top surface and bottom surface. Side portion stands on top surface. Side portion and bottom portion form accommodation space. First conductive component includes first contact part, first support part and first protruding part. First support part is connected to first contact part. First protruding part is located on first support part. First contact part is located in accommodation space. First support part extends outwards along normal direction of bottom surface. First protruding part extends along longitudinal direction of first support part, and side of first support part that is located away from first contact part is fixed to circuit board. Electronic component is located between bottom surface and circuit board.

Abstract: Example customizable example customizable wearable electronic devices, and methods of assembling the same are disclosed. An example customizable wearable electronic device includes a housing bottom member, a housing top member including a radio frequency (RF) attenuating portion that includes a material that attenuates RF energy and an RF conducting portion that includes an electrically-conductive material, the housing top member separated from the housing bottom member by an electrical isolation gap member, an electrically-conductive contact to couple the RF conducting portion of the top housing member to a communication module in the customizable wearable electronic device, and a customization part selected from a plurality of different customization parts having respective different configurations, the selected customization part electrically coupled to the RF conducting portion of the housing top member when the selected customization part is assembled to the housing top member.

Abstract: Provided is a lighting device comprising: a plurality of LED light sources formed on a printed circuit board; and a reflective unit stacked on the printed circuit board in a structure in which the LED light sources penetrate, wherein the reflective unit comprises a first reflective film and a second reflective film disposed to oppose to each other, and a first adhesive pattern layer which bonds the first and second reflective films, and in which a plurality of unit air cells having a first air area formed in an inner part thereof are closely disposed to communicate with each other. According to the present invention, it is advantageous that the improvement of luminance as well as the improvement of light reflectance can be maximized by providing the reflective unit having an air area to a surface of the printed circuit board.

Abstract: A battery cell assembly is provided. The battery cell assembly includes a first frame assembly having a first substantially rectangular ring-shaped frame and a first coupling member. The first coupling member of the first frame assembly has a first tongue portion with first and second resilient arm members. The battery cell assembly further includes a second frame assembly having a second substantially rectangular ring-shaped frame and a first coupling member. The first coupling member of the second frame assembly has a female member with a first aperture such that the first and second resilient arm members extend through the first aperture and engage an engagement surface defined by the female member of the first coupling member of the second frame assembly.

Abstract: An area light source device has a transfer-molded optical member, and a light source disposed in a position facing at least one of end faces of the optical member. Light incident to the optical member from the light source is output through a light exit surface of the optical member. A cutting back clearance portion is provided in at least one of corner portions of the end face of the optical member.

Abstract: A wrist worn device having a main body portion and a strap portion. The main body portion comprises a housing for housing a processor, communication circuitry, a screen and tin antenna. The strap portion comprises a strap for attaching the main body portion to a wrist. The housing comprises a central portion that supports the screen and edge portions arranged around the central portion, one of the portions comprising a non-conductive section on an outer surface of said wrist worn device facing away from said wrist when worn; wherein the antenna is supported within the housing in the one of the edge portions comprising the non-conductive section, such that there is an electromagnetic wave path from the antenna to the outer surface through at least a portion of the non-conductive section wherein a portion of the strip overlays the antenna and a portion of the non-conductive section at the outer surface, the portion of the snap comprising a non-conductive portion.

Abstract: A mechanism (3) for indicating and storing time information, the mechanism including a member (H) for displaying the hours, and/or a member (M) for displaying the minutes, and/or a member (S) for displaying the seconds, and a member (H?) for displaying the stored hours, and/or a member (M?) for displaying the stored minutes, and a member (S?) for displaying the stored seconds.

Abstract: A conductive resin composition which includes (a) a curable resin and (b) hard spherical carbon formed by coating the surface of a spherical base carbon particle with fine carbon particles and/or pitch-derived fine carbon pieces is used to electrically bond two conductive elements. The conductive resin composition is supplied to a space between areas of at least two works respectively having the areas to be electrically connected to each other, and the conductive resin composition is cured while applying a pressure between the areas.

Abstract: Clock movement (2) comprising a mechanism (3) for indicating and storing the time information, the mechanism comprising a member (S?) for displaying the stored seconds and/or stored fractions of seconds, a first device (MEM1) for storing seconds and/or fractions of seconds, the storage device comprising a first storage mobile (M1) provided with a first storage element (MC1) in direct mesh with an element (12) of a geartrain (11, 12, 13, 14, 15) of the clock movement or a first storage element fixed to an element of a geartrain of the clock movement.

Abstract: The present invention provides a wristwatch structure, an electronic core for a wristwatch, and a method for manufacturing the wristwatch. The wristwatch structure comprises: a dial; an indicator designed with the dial; an electric driving component connected to the indicator, for driving the indicator and actuating it; and an electronic core having an integrated circuit unit packaged therein, the electronic core also having a plurality of two-dimensional joints distributed on an external surface thereof, wherein the electric driving component is electrically connected to the integrated circuit unit of the electronic core via one set of joints among the two-dimensional joints. The present invention can improve compatibility for various designs, thereby shortening the product development cycle.

Abstract: The present invention provides a wristwatch structure, an electronic crown for wristwatch, and a wristwatch having a display. The wristwatch structure comprises an electric driving component; an electronic core having a plurality of two-dimensional joints; and an electronic crown comprising a rotating portion and a fixed detecting portion, the detecting portion detecting electronic signals according to a rotation of the rotating portion; wherein the detecting portion of the electronic crown exports the electronic signals to the electronic core via one of the joints, and the electric driving component is electrically connected to one set of joints among the two-dimensional joints. The present invention can improve compatibility for various designs, thereby shortening product development cycle. Also, the present invention is suitable for developing a product with appearance similar to a mechanical watch.

Abstract: An attachment structure for a vibrating motor, in which a cut-out section for forming a mounting space for a vibrating motor is provided in a housing that is housed within a device case with a portion thereof that corresponds to the vibrating motor being in close contact with the inner surface of the device case, and a circuit board is arranged in a non-contact state relative to the housing.

Abstract: An adjustable angle alarm clock for allowing the time display of a clock to be rotated up to ninety degrees in either direction so that the time can be read by a user in a lying position. The adjustable angle alarm clock comprises a clock base with a display assembly rotatably disposed in the clock base. A rocker switch disposed on the clock base, under the display assembly enables the display assembly to be selectively rotated relative to the clock base. An electric rotation element disposed at the contact point between the clock base and the display assembly causes the display assembly to be rotated in a clockwise or counter-clockwise direction in response actuation of the rocker switch in that direction.

Abstract: An electronic timepiece movement including a timepiece motor formed by an assembly comprising a frame made of non-magnetic material and a rotor housed in said frame; and method of manufacturing a motor of this type wherein the frame is first made with a lateral aperture, said frame including a first part and a second part each carrying a bearing, the first part or the first and second parts of the frame being elastically deformable. Next, the rotor is mounted in the frame through the lateral aperture therein by increasing the distance between the two bearings of the frame via the elastic deformation of the first part or of the first and second parts of said frame, said elastic deformation being provided in particular for the insertion of the two rotor pivots into the two respective bearings of the pre-formed frame.

Abstract: An electronic clock contains a clock module with at least one display panel and a transforming module. The transforming module is mounted in a power supply space of at least one switch on a wall. The clock module is fitted on a rear end of each switch, and the at least one display panel correspond to a displaying portion of each switch. The transforming module is electrically connected with supply mains in the power supply space of the at least one switch so as to output power to the clock module. The at least one display panel is electrically connected with the clock module, and the clock module is electrically coupled with the transforming module so as to receive power outputted by the transforming module, hence the clock module produces electronic signals to display time or/and date on the at least one display panel.

Abstract: An electronic timepiece with internal antenna maintains sufficiently high reception performance of circularly polarized waves even when having a metal external case. A drive unit of the timepiece counts a time inside the external case. An antenna has a tubular-shaped side part, a bottom part that covers one of two openings of the side part, and a top part that contacts an inside surface of the side part inside the external case. The bottom part is a back cover of the external case, and the top part has a slot part.

Abstract: The invention relates to a timepiece including a timepiece movement provided with an information display mechanism driven from a power take-off, said display mechanism including N display members for said information regularly distributed over a perimeter of the movement, characterized in that the N display members are each pivoted on a drive arbour perpendicularly and can take different first and second radial positions in relation to the centre of the movement, the display members being driven in succession over time by common first annular jumping drive means so that each display member changes in succession from the first position to the second position and is held in said second position until the end of a cycle in which all of the display members are in their second position and in that second annular drive means are arranged to reposition all of the display members in their first position at the start of the following cycle.

Abstract: A timepiece includes: a base board; a rotary board rotatable relative to the base board; a gear rotatably supported by the rotary board; and an ornamental body connected to the gear.

Abstract: A damping member includes a body provided between a device case and a module encased within the case and damping an external shock applied on the case. The body includes a holding member having upper and side surfaces and disposed between an inner peripheral surface of the case and an outer peripheral surface of the module, a first shock absorbing member covering a predetermined part of the upper and side surfaces of the holding member, deformed elastically when the shock is applied on the case, and elastically absorbing the shock, and a second shock absorbing member covering the other part of the holding member, getting the shock earlier than the first shock absorbing member when the shock is applied on the case, each changing its volume in accordance with the shock, and absorbing and escaping the shock. A damping structure used for an electronic device uses the damping member.

Abstract: A timepiece with a wireless function comprises a movement that displays time; a conductive case that holds the movement; a crystal that is disposed on a face side of the case and covers a face side of the movement; a conductive plate that is disposed between the movement and the crystal and reflects radio waves; and an antenna that has a substantially annular, conductive antenna electrode and is disposed along an outside edge of the conductive plate between the conductive plate and the crystal as seen in a lateral view. The antenna electrode is configured to receive the radio waves reflected by the conductive plate.

Abstract: An inner frame includes a side wall being set its outer diameter to be smaller than a diameter of an inner periphery of a case and arranged along an inner peripheral surface of the case when the frame is housed within the case. The wall is divided into spread portions by cut outs, each cut out in a thickness direction of the case, and the spread portions are spread to make an outside surface thereof fit on the inner peripheral surface of the case when the module is press-fitted from an opening of the case. An inside surface of each spread portion is provided with a projection to be brought into contact with an outside surface of the module and to push and spread outward the spread portion when the module is press-fitted into the frame. A case unit includes the module, the case, and the frame.

Abstract: A timepiece with a wireless function, in which the receiving sensitivity of an antenna is improved and the antenna can reliably receive a prescribed radio wave even in the case in which a watch case or the like made of a conductive metal is used. The timepiece is provided with an antenna that is stored in a housing to receive an external radio wave, a watch case that configures at least a part of the housing, that has at least one portion electrically conductive, and that is separated into a plurality of parts, and an insulating region disposed between at least two parts among the plurality of parts of the watch case to insulate the two parts one from the other.

Abstract: An operation control device includes a housing, a control module having a movable operating device carried on a carrier frame in the housing and partially exposed to the outside and rotatable and axially slidable by the user, a circuit module, which includes a rotation sensor module for sensing the direction and amount of rotation of the movable operating device and producing a respective control signal and magnetic sensors for sensing the direction and amount of axial displacement of the movable operating device in a non-contact manner. The human-friendly design of the operation control device facilitates cursor control, assuring high operation stability and comfort.

Abstract: A method for manufacturing an interchangeable movement includes assembling parts into a movement subassembly, such that the subassembly is a complete working mechanism; enclosing the subassembly in a body; integrating a glass with the body, wherein the body comprises a single shell with only an opening that receives the glass, sealing the glass and the single shell to enclose the body, thereby creating a water resistant modular movement; and wherein the modular movement is insertable into a case of a portable device having a receptacle for removably receiving the modular movement without tools and in a manner where the glass of the modular movement is visible through the case when the modular movement is inserted.

Abstract: The timepiece includes a stationary outer case (1) in which a pivoting inner case (10) is hinged in an inclined position via the action of a spring. The locking/unlocking mechanism is characterized in that it is formed by a mobile element of the external part that can be manipulated in the plane of the timepiece such as a rotating bezel (20) of the inner case (10) including a lug (22) that is engaged in a groove (2) of the outer case (1).

Abstract: The time base device for a watch includes at least one electric motor coil (30), an electronic module (1) that has at least one time base oscillator circuit mounted in a case of the module, and an electric power source (8). The electric motor coil (30), the electronic module (1) with an oscillator circuit and the voltage source (8), which is preferably a battery, are connected to each other mechanically and electrically without the use of a printed circuit board to form a compact unit. The electronic module includes four connection terminals (14, 15, 16, 17) on an external surface for connecting the voltage source on one side and the wires (31, 32) of a winding of the coil (30) on the other side.

Abstract: A wristwatch comprising a case (2) housing a display dial (4a) protected by a transparent screen (3), a timing unit adapted to emit a digital time signal, and electrical feeding means (10) for the timing unit. The watch further comprises: magnetic attraction means (5), fed by the electric feeding means (10); time display means (6) freely arranged on the dial (4a) and movable thereon under the action and as a function of the magnetic attraction means (5); and control means adapted to convert at least the time signal retrieved from the timing unit in a control signal of the magnetic attraction means (5).

Abstract: A wrist-worn timepiece may have a case, a timing element, and a wristband. The case includes a body, a crystal, and a bezel. The body may define a depression and a channel. The timing element is positioned within the depression, and the channel is located to extend at least partially around the depression. The crystal is located within the depression and adjacent to the timing element, and the bezel is at least partially located within the channel. The body may be formed from a polymer material and the bezel may be formed from a metal material.

Abstract: A calendar apparatus includes a housing having opposed side rails for holding a calendar therebetween. The calendar apparatus includes a processor and a memory device in data communication with the processor. The apparatus includes a user input device, a microphone, and an audio output positioned in the housing and in data communication with the processor. The processor includes programming for inputting event data using the input device, inputting message data using the microphone, actuating the audio output device to provide alarm or to display message data after occurrence of an event. The calendar apparatus may include a picture holder, a clock, and a calculator.

Abstract: A timepiece having a movement, a substantially cylindrical case that houses the movement, a bezel that holds the outside edge part of a crystal and is fastened to the case, and a back cover that is fastened to the opposite side of the case as the side to which the bezel is disposed. The case has a plurality of movement fastening units for fastening the movement by means of screws, a plurality of bezel fastening units for fastening the bezel by means of screws, and a plurality of back cover fastening units for fastening the back cover by means of screws. The screws disposed to the movement fastening units, the bezel fastening units, and the back cover fastening units are substantially aligned with the axial direction of the case.

Abstract: A portable device comprising a modular movement is disclosed. The modular movement has a body housing a plurality of layers that include a top layer of glass, and a movement subassembly for displaying information, including time, wherein the modular movement includes all parts necessary for power and operation, including the displaying of the information, such that the modular movement is fully functional standalone. The portable device further includes a case, which includes a receptacle for removably receiving the modular movement without need for a tool, such that the modular movement is user-interchangeable with another case of another portable device.

Abstract: This watch case comprises a protective casing surrounded by a middle (5) and a bezel (9). The protective casing includes a glass (3), a side wall (2) and a bottom (1). A planar peripheral surface extending along the entire edge of the inner face of the glass is in contact with a similar bearing surface on the side wall (2), at least part of which forms the width of the cross section of a pressure resistant structure having parallel lateral faces (SR) perpendicular to the bearing surface, and which extends without a gap as far as the bottom (1) of the casing. The components of the casing are secured and sealed with at least one annular seal (4) surrounding the lateral face of the glass (3) and the outer lateral face of the side wall (2) of the casing, and this seal is clamped.

Abstract: The invention relates to a timepiece movement that includes at least one bridge (1) mounted on a bottom plate using at least one securing device (2, 4, 6) to carry at least one member of said movement. According to the invention, said at least one bridge or the bottom plate is made from a plate of micromachinable material and includes at least one bearing formed in a single-piece to carry at least one member of said movement.

Abstract: A metal-cased motor vehicle stopwatch includes: a metal case of which the front side encloses a mouth from an opening fringe; a window sheet formed on a top side opposite to the mouth of metal case; and a frame body surrounding to form a frame orifice. The frame orifice is opposite to the mouth. The frame body is combined with the opening fringe of metal case. In the frame body, a section of portion is formed with a first convex portion towards the inside of frame orifice. With the buttons provided on the first convex portion, a user may operate conveniently.

Abstract: A wrist-worn timepiece may have a case, a timing element, and a wristband. The case includes a body, a crystal, and a bezel. The body may define a depression and a channel. The timing element is positioned within the depression, and the channel is located to extend at least partially around the depression. The crystal is located within the depression and adjacent to the timing element, and the bezel is at least partially located within the channel. The body may be formed from a polymer material and the bezel may be formed from a metal material.

Abstract: An equipment case for use in an electronic device such as a radio wave wrist watch case comprises a metal case body, a metal back cover, a spacer member, and a ring member. The case body has an opening and houses an antenna inside the case body. The back cover covers the opening of the case body. The spacer member is provided between the case body and the back cover, and increases the electric resistance between the case body and the back cover. The ring member is screwed to the case body, and fixes the back cover to the case body by pressing the back cover against the spacer member towards the case body.

Abstract: The watch comprises a case (9) with a fixed part (10) in the shape of a bracket (20) and a mobile part (11) with a middle (21) and a movement (23) mounted onto the fixed part (10) so as to be able to swivel about a swivel axis (32) thanks to pivots (31) in order to realize a tilting motion of the mobile part (11) in two opposite directions. Two actuating mechanisms (44, 45) are mounted into the middle (21) and intended to transform the tilting motions into an action upon two control organs of functions of the movement that may be of the chronograph type. One thus obtains a watch without push-pieces, functioning precisely, having great stability and easy manipulation.

Abstract: There is realized a multifunction timepiece constituted to be able to constitute a plurality of types of hand operating train wheels by only changing positions of integrating parts without changing dimensions and shapes of parts of a movement. A movement of a multifunction timepiece includes a first train wheel rotation center, and a second train wheel rotation center. A train wheel for indicating calendar information is arranged to be rotatable relative to one of the first train wheel rotation center, and the second train wheel rotation center. When the first train wheel rotation center is arranged with a train wheel for indicating calendar information, the calendar information can be indicated by a small hand rotated to move by the train wheel, when the second train wheel rotation center is arranged with a fan shape hand operating train wheel for indicating the calendar information, the calendar information can be indicated by a small hand moved in a fan shape operating train wheel.

Abstract: A timekeeping apparatus having a hidden compartment. The compartment can contain permanent or removable psychological messages and/or printed messages, pictures or photographs. The apparatus has a timepiece which is pivotable relative to a backing. The backing has a removable door on its underside which is removed for placement of the message into the backing. The user can then lift open the timepiece to reveal the message in the hidden compartment.

Abstract: In a body-worn personal communications apparatus, for example a wrist-carried wireless telephone, an antenna (102) is a helical or other physically-shortened electric antenna that makes use of the enhanced normal component of electric field close to the body. A microphone (114) can act as a top load to the antenna, thereby enabling the use of a shorter antenna. The antenna (102) may be formed from coaxial cable, enabling it to provide electrical connections between the microphone (114) and transceiver circuitry in the body of the apparatus. By arranging for the microphone (114) to have low impedance at radio frequencies, the coaxial cable acts as an inductive stub and enables the antenna (102) to be further shortened.

Abstract: The present invention concerns a water-resistant portable apparatus including a case in which there is mounted an electroacoustic transducer separated from an inlet cavity in a water-resistant manner by a deformable membrane. This inlet cavity is arranged in said case in direct communication with the exterior. The electroacoustic transducer and the inlet cavity are arranged collaterally such that at least one part of said transducer, respectively of the cavity, of a determined thickness is arranged in the same slice of the case and in that an acoustic channel connects the transducer to the membrane to transmit acoustic vibrations.

Abstract: A clock with an insertion part is provided to facilitate presenting various illustrations such as photographs, advertising copy, logos, etc., upon the front surface thereof after purchase by a customer. The insertion part is separately provided apart from the clock and then inserted into and coupled to the main clock frame from the rear after assembly of the clock. In a preferred embodiment, the clock includes the main body frame, an hour plate, a transparent case and a backside case, with the part being inserted into the insertion opening provided in the backside case.

Abstract: A wristwatch is disclosed, which includes a watch body part in which a glass is engaged at an upper center portion of the same, a gemstone ring is engaged at an outer side of the same, an adjusting pin is engaged at one side of the same, and a back cover having a plurality of fixing holes is engaged at a lower side of the same; a body casing in which an engaging groove is formed at an upper center portion of the came so that the watch body part is engaged therein, a casing fixing hole is formed at both sides of a bottom of the engaging groove, an adjusting pin engaging part is formed at a front side of the same, and a chain engaging part is formed at both sides for thereby connecting a watch chain; a fixing screw which is engaged into a fixing hole of the back cover through the casing fixing hole for thereby fixing the watch body part at the engaging groove of the body casing; and a watch chain which is connected at the chain engaging parts of both sides of the body casing.

Abstract: A watch design that has a movable case that keeps the face of the watch visible regardless of the position of the wrist. In this way, a user can quickly see the watch face in the proper orientation so that the time can be quickly and correctly determined. There are several ways to accomplish this. The case can be mounted on a turntable that rotates on the y-axis. A frame containing the watch mechanism and display is hinged on said turntable and rotated vertically upon the x-axis described by the hinge-mounted frame mounted on said frame. Another embodiment uses a gimbaled point on which the face is free to rotate, much like a compass. In this embodiment, the watch case is weighted to that the face always moves to a readable position. Finally, the watch may include displays mounted in the link of a watchband.

Abstract: The watch with a metallic case including an electronic module for storing data, which is mounted in an external cavity in the back cover of a case. The module can communicate via broadcast signals with a read and/or write apparatus for said data. The module includes a base on which are mounted an integrated circuit chip having at least two bumps and a coil acting as a transmission and/or reception antenna. The coil is formed by an electrically conductive wire having two ends respectively connected to said bumps of said integrated circuit chip. The coil surrounds a space in which said chip is placed. The dome-shaped base of the electronic module is a metallic element that conducts magnetic flux to insulate the module coil magnetically from the metallic case during data communication between a read/write apparatus and said module. The base of the module can be covered by a protective cover.