Abstract: A sliding cradle in a mobile terminal has a body housing, and a sliding and pivotable housing adapted to rest in a slanting position on the body housing after being slid on the body housing. The sliding cradle comprises a first member fastened to the body housing, a second member fastened to the sliding and pivotable housing, and a sliding guide part arranged between the first and second members to guide the sliding movement of the sliding and pivotable housing. The sliding guide part has a pivot for pivoting the second member apart from the first member. A fixture member is fastened to the first member to face the sliding guide part. A pivot control device is connected to the first and second members to substantially prevent the sliding and pivotable housing from pivoting during the sliding movement and to enable the sliding and pivotable housing to pivot upon completion of the sliding movement.

Abstract: A portable electronic device with an inverted-type hinge has a cover connected to a stationary bracket, a side shell connected to a tilting assembly, a cover connected to an inverting assembly and a sliding assembly being eccentric to a tilting shaft. With cooperation between the inverting assembly and the tilting assembly, the cover may be inverted to reveal a display that leans against the base. Therefore, the user easily touches the display without pivoting the cover. Furthermore, the sliding assembly lifts the cover while the cover is opened relative to the base to prevent the cover from impacting the base.

Abstract: A mobile phone includes a microphone and a plurality of speakers, the mobile phone changes its configuration state into at least two states, a closed state in which the microphone is covered, and an open state in which the microphone is not covered. The mobile phone further includes a determination unit configured to determine the configuration state; and an output control unit configured to, on the basis of the determination result by the determination unit, control on/off action of the plurality of speakers and the microphone.

Abstract: A portable terminal, comprising a main body having a plurality of keys, a folder having a protrusion on the outer surface thereof, a first hinge part which connects the main body and the folder having a first hinge axis, and a second hinge part which connects to the first hinge part having a second hinge axis perpendicular to the first hinge axis, wherein the protrusion is formed to correspond to at least one of the keys when the main body and the folder are superposed with the inner surface of the folder exposed to the exterior, is convenient to use and carry, as the user may rotate the folder by a predetermined angle and use the keys attached to the main body.

Abstract: An electronic device includes a first body, a second body, two hinge assemblies, two resilient members, and two latching members. The hinge assemblies hinge the first body on the second body. The resilient members are received in the second body and connect with the second body elastically. Opposite ends of the resilient member resist the second body and the hinge assembly, so that the hinge assembly and the first body move relative to the second body.

Abstract: A portable terminal having a hinge apparatus is provided. The portable terminal includes a first housing, a second housing pivotally coupled to the first housing so that the second housing can be unfolded from and folded onto the first housing, and a hinge apparatus coupling the first housing and the second housing together. The hinge apparatus provides a first hinge axis and a second hinge axis perpendicular to each other, in which, from the folded state in which the second housing is folded on the first housing, the second housing is operable to rotate about the first hinge axis to be located in an upper side of the first housing and to rotate about the second hinge axis to be located in a first side of the first housing.

Abstract: According to an aspect of the invention, an electronic apparatus including: an outer case; an inner case corresponding to the outer case; an engagement nail having a first nail face directed to a first direction from the outer case toward the inner case and a second nail face directed to a second direction from the inner case toward the outer case, the engagement nail being extend from the outer case; and a resilient wire disposed on a certain position on the inner case along an edge of the inner case, the certain position corresponding to the engagement nail, wherein, at a first state, the resilient wire is movable in a third direction from the edge toward the resilient wire by the first nail face pushing the resilient wire, and wherein, at a second state, the resilient wire is movable in a fourth direction from the resilient wire toward the edge to run on the second nail face.

Abstract: A biaxial hinge device includes an approximately rod-shaped first shaft member; an approximately rod-shaped second shaft member; a shaft connecting member for connecting the first shaft member and the second shaft member such that the direction in which the first shaft member extends and the direction in which the second shaft member extends are approximately orthogonal; an arm portion provided to the first shaft member so as to be turnable along the outer circumference of the first shaft member, a hinge fixing portion provided to the second shaft member so as to be turnable along the outer circumference of the second shaft member, and a thrust cam member provided to the first shaft member such that movement in the direction in which the first shaft member extends is enabled.

Abstract: An electronic apparatus includes a first section and a second section which are foldable together in: a first mode in which respective front faces of the first and second sections face each other, and a second mode in which the front face of the first section faces a back face of the second section. A contact protector is provided on the front face of the first section. In the first mode, a first portion of the contact protector contacts the front face of the second section and forms a first clearance between the respective front faces, and a second portion of the contact protector is accommodated in a dent in the front face of the second section. In the second mode, the second portion of the contact protector contacts the back face of the second section and forms a second clearance between the respective front faces.

Abstract: A portable terminal comprising first and second bodies, and a hinge unit configured to fold or unfold the first and second bodies in a rotational manner.

Abstract: Disclosed is a portable terminal with locking release device that includes a cover removably mounted on a side of a terminal housing; a first locking release having a button mounted in the terminal housing in such a manner as to be capable of linearly moving; and a second locking release having a rotary member mounted in the terminal housing and rotating as the button linearly moves, wherein the rotary member is rotated when the cover is mounted on the terminal housing, thereby linearly moving the cover. The portable terminal with the locking release device allows a battery cover to be easily mounted on or removed from a battery cover on a slim terminal, thereby stabilizing the battery mounting structure and enhancing the convenience in use.

Abstract: Guiding pieces on a bracket cover is engaged with attachment claws on a bracket body. This engagement serves to hold the bracket cover on the bracket body when the bracket cover is set at a first position. When the bracket cover is set at a second position, the engagement between an engagement piece and a hook piece serves to cooperate with the engagement between the guiding pieces and the attachment claws so as to hold the bracket cover on the bracket body. The bracket cover is firmly held on the bracket body when the bracket cover is set at the second position. The bracket cover is thus reliably prevented from detachment from the bracket body.

Abstract: It is an object of the present invention to provide an opening/closing hinge device which can be produced simple in construction and inexpensive in production by reducing the number of the parts forming part of the mobile device and to provide a mobile device small in size, reduced in cost and sufficiently reliable in the hinged members. The second member is rotated with respect to the first member toward the opening operation direction through the movable cam (150) by the urging force of the urging means (170) when the operation cam (130) is displaced in the predetermined operation direction by the external operation force. The fixed guide member (110) has inclined guide portions (115) each inclined at an advance angle in a predetermined inclination direction with respect to the surface perpendicular to the guide center axis to have the second rotation cam (140) rotated around the guide center axis in response to the displacement of the second rotation cam (140) along the guide center axis.

Abstract: Provided is a dual-axis rotation folder-type mobile communication terminal including a main body, a folder rotatable about a first hinge axis having two positions respectively in a latitudinal direction and a longitudinal direction of the main body to open and close a top face of the main body, and a rotation hinge unit rotatable about a second hinge axis a predetermined degree to change a position of the first axis.

Abstract: A mobile terminal has a first body, a second body and a connector. The connector includes a ring assembly that is fixed to the second body and rotatably and slidably connected to the first body. The first body is capable of slidably moving along the ring assembly along a longitudinal axis relative to the second body. Additionally, the first body is capable of slidably moving along the ring assembly along the lateral axis relative to the second body, and the first body is further capable of rotatably moving about the ring assembly relative to the second body while maintaining electrical communication with the second body.

Abstract: A foldable electronic equipment comprising a first part (2) and a second part (3) that are interconnected through a hinge (4). The hinge (4) comprises at least one leaf spring (17) that is connected to the first part (2) and the second part (3) and is arranged to force the first part (2) and the second part (3) away from each other. Additionally, a camera is provided on the hinge, the camera being aligned with an opening on the hinge when the first part and the second part are forced away from each other.

Abstract: The invention relates to mobile communication and gaming terminals with a housing that is provided with a pair of pivoting wings that allow the terminals to be used in different configurations of the wings relative to the housing.

Abstract: Disclosed is a three-dimensional (3D) multi-foldable device. The three-dimensional (3D) multi-foldable device includes at least four units, each unit including a center panel with two parallel edges and a pair of wing panels, the wing panels being rotatable by 180 degrees about the two parallel edges of their respective center panels, the parallel edges acting as rotation axes for the pair of wing panels. The rotation axes of the first and second units are perpendicular to the rotation axes of the third and fourth units. At least some portions of the pair of third wing panels are combined with the first and second wing panels at one side of the pairs of the first and second wing panels. At least some portions of the pair of the fourth wing panels are combined with the first and second wing panels at the other side of the pairs of the first and second wing panels.

Abstract: A portable terminal having a long-stroke hinge is disclosed. The portable terminal includes a first main body, a second main body sliding on the first main body, a first member with elasticity having a first end fixed to the first main body and a second end that is horizontally moveable, and a second member having a first end rotatably coupled with the second end of the first member and a second end fixed to the second main body.

Abstract: A hand held mobile communication device includes a housing, a scanner disposed on one surface of the housing and a display provided on an opposed surface of the housing, whereby an image being scanned by the scanner is displayed on the display. A second housing may be provided and attached to the first housing with a hinge that enables 360 degree rotation of one housing relative to another. The device is employable for managing printed documents by scanning them with the scanner, viewing scanned documents on the display and transmitting the documents in a digital format to a remote location. A second display is also provided on an outer surface of the second housing. The device includes a camera for capturing still images and another camera for capturing video. Operating keys are employed and provide for one step operation of various features of the device.

Abstract: A bi-axial swivel assembly allows the rotation of a bracket around the longitudinal axis of a support shaft when the restriction cam lies inside an imaginary reference plane. The attitude of the bracket is allowed to change around the longitudinal axis of the support shaft. Only if the bracket allows the restriction cam get off a recess, the perpendicular surface serves to prevent the restriction cam from protruding outside the imaginary reference plane. The attitude of the bracket can be prevented from changing around the rotation axis perpendicular to the longitudinal axis. The bi-axial swivel assembly allows the wire to penetrate through first and second hollow spaces. When the bracket rotates around the longitudinal axis, the wire is only forced to suffer from a slight torsion within the first hollow space. The wire can be protected from a larger flexure.

Abstract: A portable apparatus includes a main body having at least one electric part, a heat transmitter mounted to the main body for connection with the electric part, a connection member connected to the heat transmitter and having a first connection part accessible from outside of the portable apparatus and which emits a driving heat transmitted from the heat transmitter, and a detachable accessory device which is disposed in contact with the first connection part. Accordingly, a driving heat generated inside the main body of the portable apparatus can be emitted to the outside, passing through the heat transmitter and the connection member in sequence, thereby improving cooling efficiency of the portable apparatus.

Abstract: A slide type portable terminal can include a main unit including separated first and second key sections and a first plate coupled to a surface of the main unit and a display unit with a display screen on a front surface and a second plate. The second plate can slide with respect to the first plate and preferably slides along the surface of the main unit to cause the first and second key sections of the main unit to be covered and exposed by the display unit. Further, first and second magnets can be provided on the first and second plates, respectively, so that the same poles of the magnets face each other to provide a repulsive force when they are positioned to face close to each other. According to embodiments of the present invention, there are various advantages in that the portable terminal can be utilized more conveniently and production costs and failure rates thereof can also be reduced.

Abstract: According to an aspect of an embodiment, a mobile terminal device includes a lower casing, an upper casing, and an intermediate casing, an intermediate casing connected to the lower casing by a hinge structure which enables the intermediate casing to rotate about an axis, the intermediate casing supporting a back surface of the upper casing by a front surface of the intermediate casing, wherein the upper casing has a first groove formed in a vertical direction with respect to the rotation axis on a surface facing the intermediate casing, the intermediate casing has a first portion protruding from a surface facing the upper casing and fitting the groove of the upper casing, and the upper casing is rotatable with respect to the intermediate casing for the portion being guided by the groove.

Abstract: A microphone system that may be used in a mobile telephone is disclosed. In one embodiment, a microphone is housed within a first housing portion and is extended therefrom when a second portion of the housing is pivoted to an open position relative to the first housing portion. The microphone is retracted back into the first housing portion when the second housing portion is slidably affixed to the first housing portion and the microphone is extended from the first housing portion when the second housing portion is moved relative to an open position relative to the first housing portion and the microphone is retracted into the first housing portion when the second housing portion is moved into a closed position relative to the first housing portion. In another embodiment, a manually actuated scroll gear is used to extend and retract the microphone. In yet another embodiment, a motor is used to extend and retract the microphone.

Abstract: A hinge assembly (20) including a first magnetic member (21) and a second magnetic member (22) is described. The polarities of opposing end surfaces of the first magnetic member and the second member are different. The second magnetic member is configured for rotating relative to the first magnetic member to generate a magnetic moment. In addition, an exemplary portable electronic device (100) equipped with the hinge assembly is also described.

Abstract: A portable electronic device includes a base or first member, a flip or second member, and a hinge mechanism pivotally connecting the second member to the first member for pivotal movement between a closed position and an open position. The hinge mechanism includes a first semi-annular elongated recess and a semi-annular elongated concave member with a semi-annular elongated concave surface, the semi-annular elongated rotation member being pivotally and slidably disposed within the first semi-annular elongated recess, and the semi-annular elongated concave surface of the semi-annular elongated rotation member being exposed when the first member and the second member are in the closed position and being not exposed when the first member and the second member are in the open position.

Abstract: A portable communications device, e.g., a cell phone with a simplified user interface and easy to use keys is described. For many input/selection opportunities the user is presented with at most 4 options. This allows navigation between applications, pages and selection of actions corresponding to pages to be supported using relatively few keys, e.g., 4 keys, thereby allowing the number of keys on the phone to be kept small and the key size large. Prompts are used to present most options with keys being lighted in some embodiments when the key corresponds to a valid input option and delighted when the key does not correspond to a valid input option. Presentation of a dial prompt may be limited to times when a call can be placed successfully. In various embodiments a cell phone is implemented with less than 10 keys in total but in other embodiments more keys are used.

Abstract: A portable electronic apparatus, a mobile phone and a method of selecting a function in a portable electronic apparatus are disclosed. The portable electronic apparatus comprises a body and a lid pivotally mounted to the body with a hinge. Changes in the position of the lid around the hinge are detected and one of at least two possible functions available for a user is selected according to the detected change in the position of the lid.

Abstract: A portable electronic device including a first section, a second section and a connecting section. The first section has a user input section and a first tubular housing member. The first tubular housing member forms a majority of opposite exterior lateral sides of the first section. The second section has a display and a second tubular housing member. The second tubular housing member forms a majority of opposite exterior lateral sides of the second section. The connecting section movably connects the second section with the first section. The first tubular housing member at least partially houses the user input section. The second tubular housing member at least partially houses the display.

Abstract: A swing hinge apparatus of a portable terminal is provided. In the portable terminal, a pair of housings is rotatably assembled while facing each other. The swing hinge apparatus includes a lower casing mounted and fixed to a first housing from among the pair of housings, a cam member mounted and fixed to a second housing from among the pair of housings and rotatably received in the lower casing, a guide groove formed on the lower casing and extending along a circumference, and a guide protrusion formed on a first surface of the cam member and moving along the guide groove according to rotation of the cam member, wherein both ends of the guide protrusion have inclined outer walls, both ends of the guide groove have inclined inner walls, and the guide protrusion is engaged with one of the inclined inner walls of the both ends of the guide groove, so as to limit a range of rotation of the cam member.

Abstract: A portable electronic device is configured in particular as a mobile telephone having a first housing element with a second side. A linking device links the housing elements in such a way that they are movable in relation to each other, the first side facing the second side in at least one first state. A camera for acquiring images is arranged on the first side in such a way that it faces away from the first housing element. Moreover, an optical deflection device is arranged on the second side in such a way that it reflects back light impinging upon the second side. In the first state, the camera is arranged in relation to the optical deflection device in such a way that it receives light via the optical deflection device, while a second state the camera is moved away from the optical deflection device in such a way that it receives light which has not been deflected by the optical deflection device.

Abstract: A method of using a portable communications device includes displaying a first image of a rotary dial in a display of the portable communications device in response to a first contact by a user with a click wheel. The first image of the rotary dial includes a plurality of icons arranged proximate to a periphery of the rotary dial. The plurality of icons include numbers.

Abstract: A sliding mechanism includes two members, one of which is slidable with respect to the other along an axis. One of the members slides back and forth with respect to the other between a first position and a second position. A leaf spring is used as a positioning element to hold one of the members in either the first position or the second position. The leaf spring is attached to one of the two members and the other of the two members includes a projection. The leaf spring abuts the projection holding the slidable member in either the first position or the second position. When a user pushes one of the members from one position to another, the projection pushes the leaf spring out of the way until it passes an apex of the leaf spring and is held in the other position.

Abstract: An opening and closing device to be used in a variety of electronic apparatuses is disclosed, and the opening and closing device can be manufactured at a low cost and ensures a positive opening/closing action. After the reversing cam moves along an axial line, a movable cam protruding on an inner wall of a ring-like movable unit elastically urges against a reversing cam. While the movable cam is held at a given angle, the movable cam elastically urges against the reversing cam and rotates, so that a stationary unit needs no stationary cam during this given angle being kept. The stationary unit thus needs the stationary cam on its outer wall only in part but not entirely. As a result, the stationary unit can be manufactured with ease by forming process.

Abstract: A handheld electronic device, the device comprising a housing and a retractable handle, the device being arranged to allow the handle to be retracted into the housing along a sliding axis to provide a retracted handle position and extended out of the housing along the sliding axis to provide an extended handle position, and wherein the handle is arranged to be formable to be held by a user in the extended position such that the holding axis of the handle in the extended position is offset from the sliding axis.

Abstract: A biaxial hinge device and a mounting mechanism thereof for a mobile terminal is provided. The biaxial hinge device includes a first hinge module for rotatably connecting the folder to the body around a first hinge axis, and a second hinge module for rotatably connecting the folder to the body around a second hinge axis, which is spaced apart form the first hinge axis and disposed in a direction substantially perpendicular to the first hinge axis. A portion of a second hinge module is inserted in the first hinge module, thereby allowing the second hinge module to move both independently of and in cooperation with the first hinge module.

Abstract: A folding electronic device has a first frame having plural first joints, a second frame having plural second joints, plural sets of hinge joints in which the plural first joints and the plural second joints are connected together in a manner that the first frame and the second frame can rotate on a predetermined rotation axis, a first body containing the first frame, and a second body containing the second frame, wherein at least one set of hinge joint of the plural sets of hinge joints has a connecting component having a hollow portion and wherein the other sets of hinge joints have predetermined solid hinge shafts.

Abstract: An opening-closing device includes a fixed gear of a fixed body, a conversion gear engaged with the fixed gear, a movable gear of a movable body, and a relay gear engaged with the conversion gear and with the movable gear, all of which are attached to a locking plate. The movable body can be held at a predetermined angle with respect to the fixed body by making an engaging portion in the locking plate is contacted with a locking portion in the fixed body and by making the conversion gear move to another position when the movable body is opened at the predetermined angle with respect to the fixed body. Moving the conversion gear to another position makes it possible to perform opening and closing operations in a greater angle. Thus, the opening-closing device can have a simple structure and perform a variety of opening and closing operations.

Abstract: A hinge assembly for a wireless communication device that pivotally connects a display housing member to a keypad housing member is described. The hinge assembly comprises an upper hinge arm, a lower hinge arm, and a rotating assembly. The upper hinge arm includes an upper hinge plate that is coupled to the display housing member. The lower hinge arm includes a lower hinge plate that is coupled to the keypad housing member. The rotating assembly comprises a first fastener, a second fastener and at least one conductive spring. The first fastener couples the upper hinge arm to one end of the rotating assembly. The second fastener couples the lower hinge arm to the other end of the rotating assembly. At least one conductive spring interfaces with at least one hinge end, and provides a ground path within the hinge assembly.

Abstract: An exemplary swivel hinge assembly (10) includes a bracket (12), a hinge mechanism (14), a hinge follower mechanism (16), and a swivel mechanism (18). The hinge mechanism (14) and the hinge follower mechanism (16) are configured to provide the swivel hinge assembly (10) with rotation about a first rotational axis. The hinge mechanism (14) includes a first pivot shaft (154), a first connecting member (142), a positioning ring (146), a ring follower (144), an elastic member (148), a cam (150), and a cam follower (152). The hinge follower mechanism (16) includes a second connecting member (162) and a second pivot shaft (166). The swivel mechanism (18) is connected to the bracket (12) and configured to provide the swivel hinge assembly (10) with rotation about a second rotational axis.

Abstract: A hand held apparatus includes a base, a foldable cover, a positioning seat, an elastic surface and a cam. The positioning seat is mounted on the base. The elastic surface is mounted on the base. The cam is mounted on the foldable cover and touches the elastic surface. The cam further has a positioning pin at one end thereof, and the positioning pin is pivotally coupled to the positioning seat, such that the foldable cover has the ability to be elastically rotated relative to the base.

Abstract: A portable terminal is capable of large screen display and includes an apparatus for driving the same. The portable terminal includes a first display panel unit for displaying a first image, a second display panel unit for displaying a second image, a first and a second trajectory discs being positioned opposite each other at one side of the first display panel unit and formed with a plurality of trajectory grooves at one side thereof, and a folding slide door unit combined between the first display panel unit and the second display panel unit. The folding slide door unit is formed with guide protrusions respectively so as to be slidably inserted into the trajectory grooves of the first and the second trajectory discs at both lateral sides thereof, and includes a plurality of slide doors so as to be slidably folded along the trajectory grooves.

Abstract: A hinge assembly (200) includes a housing (12), a shaft (11), a fixing pin (14), a transposition mechanism (13) and a first spring (16). The housing has a circumferential wall defining a manual slot (121) and an automatic slot (123). Each of the manual slot and the automatic slot runs through a circumferential wall thereof. The shaft defines a pin hole (1141), and the shaft is engaged in the housing. The fixing pin passes through the pin hole of the shaft. One end of the fixing pin is alternatively received in the manual slot or the automatic slot. The transposition mechanism is configured for switching the pin from the manual slot to the automatic slot. The first spring provides an elastic force causing the housing to move relative to the shaft when the pin breaks away from the manual slot.

Abstract: Disclosed are hinges with a single interface or single seam between two halves of the hinge, configured to route through the hinge a flexible circuit element to couple electronic circuitry in a first housing with electronic circuitry in a second housing. An axial shaft with an elongated slot is received by the two halves of the hinge. The shaft extends at least across a portion of the width of the first housing. To route the flexible circuit element, the elongated slot is configured to hold fixed the midsection of the flex cable, relative to the shaft during rotation of the shaft. The shaft has an outer circumference, and at least a portion of the shaft defines a shallow groove at the outer circumference. A portion of the flexible circuit element is wrapped around the shaft forming a radial service loop at the shallow groove to accommodate rotation of the shaft.

Abstract: A hinge structure to be used in portable electronic devices, such as mobile stations, making it possible to rotate a first body part (10) and a second body part (20) of the device in relation to an axis of rotation (X-X) of the hinge structure, the hinge structure having a hinge element (31) with a first hinge half and a second hinge half which are movable in relation to each other by a pivot (X) placed on the axis of rotation (X-X), and which hinge element is arranged to be connected by the first hinge half to the first body part (10) and by the second hinge half to the second body part (20). The hinge structure comprises a shield structure (32) for shielding the back of the device, the shield structure being connected to the hinge element (31), and the shield structure (32) being arranged to be movable in the direction perpendicular to the axis of rotation (X-X).

Abstract: A folding-type electronic device that improves air tightness when the device is folded is provided. A first shell 12 and a second shell 22 are connected via connection portions 31, 33, 35 so that the first and second shells are folded, and when the first shell 12 and the second shell 22 are closed, the connection portions 31, 33, 35 are stored in an area surrounded by the first shell 12 and the second shell 22.

Abstract: A first turning member is formed in a bottomed cylindrical shape. A pivot is convexly formed on the bottom of the first turning member, and a packing is wound around the first turning member. A boss is convexly formed on one surface of a second turning member, and a packing is wound around the boss. A pivot opening is formed in the other surface of the second turning member. The boss is inserted into the first turning member. The pivot is inserted into a ring-shaped waterproof member and a plain washer. The waterproof member surrounds the pivot opening. The waterproof member is sandwiched between the bottom of the first turning member and the end surface of the boss.

Abstract: A portable electronic device including a first section, a second section and a connecting section. The first section has a user input section and a first tubular housing member. The first tubular housing member forms a majority of opposite exterior lateral sides of the first section. The second section has a display and a second tubular housing member. The second tubular housing member forms a majority of opposite exterior lateral sides of the second section. The connecting section movably connects the second section with the first section. The first tubular housing member at least partially houses the user input section. The second tubular housing member at least partially houses the display.

Abstract: The cellular phone of the present invention includes a display device provided on the front surface of a main body, and a cover movable relative to and preferably, rotatably mounted on, the main body and having keypads provided on the front and rear surfaces thereof, respectively. A plurality of number keys for a mobile communication are preferably arranged on the keypad provided on the front surface of the cover, and a plurality of character keys for the Internet are preferably arranged on the keypad provided on the rear surface of the cover. Also, another keypad wherein keys for the mobile communication and the Internet are arranged may be provided on the main body. The cover may be in the form of a flip or folder. The cover may have an area smaller than the main body or a window so that a portion of the display device is exposed even when the cover is closed.