Abstract: Disclosed is a gear hinge device employed in a portable apparatus including first and second housings. The gear hinge device connects the first and second housings in such a manner such that the first and second housings can be rotated about first and second hinge axes, respectively. The gear hinge device includes: a first driving unit comprising a first driving cam gear that is rotated about the first hinge axis and a second driving unit comprising a second driving cam gear that is engaged with the first driving cam gear and rotated about the second hinge axis that is parallel to the first hinge axis and a flexible auxiliary gear that is arranged coaxially to the second driving cam gear.

Abstract: A duty rate detection circuit includes a duty rate detection block suitable for outputting a duty rate detection signal by detecting a duty rate of a clock signal having a first logic duration and a second logic duration and an output control block suitable for comparing the number of the first logic duration and the number of the second logic duration for a detection period and controlling an output moment of the duty rate detection signal.

Abstract: A sliding type portable terminal includes a first housing and a second housing slidably engaged face-to-face with the first housing. The portable terminal includes a guide member mounted in a first closed area provided on one surface of the first housing and always covered up by the second housing, and a slide member mounted on one surface of the second housing and sliding over the first housing by being guided by the guide member. A wiring passageway for wiring a flexible printed circuit board is formed in the slide member. The flexible printed circuit board is wired through a slit for coupling the guide member to the slide member without providing a slide cover for opening/closing the wiring passageway or forming a separate wiring passageway, thereby preventing the flexible printed circuit board from being exposed to the outside and ensuring elegant appearance of the terminal.

Abstract: A hinge device in a portable terminal is provided, in which a first driving cam is fixed to one end of a hinge shaft by a locking device, for rotating, a second driving cam is provided at the other end of the hinge shaft, for rotating together with the first driving cam and making a linear reciprocal motion along the hinge shaft, a driven cam is interposed between the first and second driving cams, for making a linear reciprocal motion along the hinge shaft as a cam motion with the first and second driving cams, and an elastic member is interposed between a hinge housing and the second driving cam.

Abstract: Disclosed are a portable communication device and a cradle apparatus for the same. The portable communication device includes a first housing; a second housing with a first display device, the second housing being cradled at a known angle after being swung from the first housing; and a third housing with a second display device, the third housing being stacked with the second housing before the second housing is swung from the first housing, and being extended from a lower edge of the second housing and tilted at a same known angle as the second housing when the second and third housings are extended from the first housing.

Abstract: A sliding apparatus for a dual slide-type portable communication device, which includes a locking unit selectively formed in sliding members and configured to restrict movement of a first sliding member in a direction substantially perpendicular to a lengthwise direction of a body housing when the first sliding member is slid in a lengthwise direction of the body housing and to restrict movement of the first and second sliding members when the first and second sliding members are slid in a direction substantially perpendicular to a lengthwise direction of the body housing. The body housing and a sliding housing configured to be slid on the body housing in a lengthwise direction of the body housing or in a direction substantially perpendicular to the lengthwise direction of the body housing.

Abstract: Disclosed is a sliding-type portable apparatus and a sliding device of the sliding-type portable apparatus. The portable apparatus includes a main body, a display unit, and a sliding device, in which the sliding device enables the automatic sliding of the keypad unit according to the sliding of the display unit. Further, the portable apparatus includes a driving unit to semi-automatically open/close the display unit and the keypad unit.

Abstract: A pop-up apparatus for a portable communication device for insertion or ejection of parts of the portable communication device is provided. The pop-up apparatus preferably includes a body housing, a pop-up housing embedded in the body housing and inserted into or ejected from the body housing. The insertion or ejection can be performed by applying pressure to button on a surface thereof in a direction that it is pressed, and at least one or more pop-up hinge portions are provided between the body housing and the pop-up housing to insert the pop-up housing into or eject the pop-up housing from the body housing by pressing of the pop-up housing.

Abstract: Disclosed are a portable communication device and a cradle apparatus for the same. The portable communication device includes a first housing; a second housing with a first display device, the second housing being cradled at a known angle after being swung from the first housing; and a third housing with a second display device, the third housing being stacked with the second housing before the second housing is swung from the first housing, and being extended from a lower edge of the second housing and tilted at a same known angle as the second housing when the second and third housings are extended from the first housing.

Abstract: A swivel hinge apparatus for an electronic device includes first and second hinge members, a guide portion, an elastic member, a shaft and a support cover portion. The first hinge member is bent. The second hinge member is inclined and coupled with the first hinge member to rotate while facing the first hinge member. The guide portion is positioned between the first hinge member and the second hinge member to guide rotation of the second hinge member. The elastic member is positioned on a side of the first hinge member to provide an elastic force for allowing rotation and linear movement of the first hinge member and the second hinge member. The shaft has a cylindrical housing protrudes therefrom, with the cylindrical housing being coupled with the first hinge member, the second hinge member, the elastic member, and the support cover portion by passing through them.

Abstract: A portable communication device that cradles a first and a second display units at a same angle, and a slide-type cradling apparatus thereof are disclosed. The portable communication device includes: a first housing; a second housing including a first display unit and facing the first housing when being slid and cradled at a known incline angle; and a third housing including a second display unit, and being introduced into the first housing before the second housing is slid and being withdrawn from the first housing after the second housing is slid such that the second housing is inclined and the third housing is inclined in an extension direction of the second housing.

Abstract: A swing-type portable communication apparatus includes a body housing having a first display part, a swing housing having a second display part and capable of being obliquely slid and juxtaposed with the body housing at the same angle without a height difference after being swung from the body housing. A hinge mechanism is provided at one end of the body housing for obliquely sliding the swing housing after the swing housing is swung from the body housing.

Abstract: Provided is a case for a portable communication device having a sliding module portion to avoid a folded (or wrinkled) portion, which may be generated when a case provided on the exterior of the portable communication device is folded or unfolded by rotation. To this end, a case for a portable communication device including a main body, a folder, and a hinge device for rotatably coupling the main body with the folder, includes a case portion for covering the exterior of the portable communication device, and a sliding module portion provided on the case portion, the sliding module portion unfolding a folded portion of the case portion generated when the folder is folded or unfolded by rotation, by sliding movement.

Abstract: A portable terminal includes: a first housing; a second housing coupled to the first housing via a hinge device, the second housing pivoting about a first hinge axis toward or away from the first housing to be closed or opened, and rotating about a second axis, so that the front and rear sides of the second housing are reversed, the second axis extending perpendicular to the first axis. The hinge includes: a hinge housing extending along the direction of the first hinge axis and coupled to the first housing in such a manner that the hinge housing is rotated about the first hinge axis on the first housing; and a coupling member anchored to the second housing and coupled to the hinge housing to be rotatable about the second hinge axis. While the hinge housing is being rotated about the first hinge axis, the coupling member is turned around the first hinge axis in a state in which one side of the coupling member is faced to the outer peripheral surface of the hinge housing.

Abstract: A snap hinge device for a folding-type portable terminal is provided with a gap between an outer face of a hinge shaft and an inner face of a second cam so that the outer face of the hinge shaft and the inner face of the second cam are compelled to strike into each other an generate and aural snap by an urging of an elastic member at the time of opening/closing the folder of the portable terminal. As a result of the aural snap, users experience a feeling of use at the time of opening/closing the folder, and a sense of comfort therefrom.

Abstract: A portable terminal including a pair of housings and a hinge apparatus for coupling the housings in such a way that the housings pivot with respect to each other is provided. The hinge apparatus includes a hinge bracket fixed to a first housing of the pair of housings, a pivot member connected to a second housing of the pair of housings and pivotably coupled to the hinge bracket to pivot with respect to a hinge axis, a cam surface provided on the pivot member around the hinge axis, the cam surface comprising at least a pair of recess portions, and a cam member received to protrude and retreat in perpendicular to the hinge axis on the hinge bracket. When the pivot member pivots, the cam member slides and contacts the cam surface and is engaged with one of the recess portions on the cam surface.

Abstract: A gear cam mounting device in a dual-hinge device for a portable terminal is provided, in which first and second hinge shafts provide first and second parallel hinge axes, respectively, first and second gear cams are fixed around the first and second hinge shafts, in engagement with each other, and first and second locking units penetrate respectively through the first and second gear cams in a direction that is perpendicular to the first and second hinge axes, for locking the first and second gear cams to surround the first and second hinge shafts.

Abstract: A hinge device in a portable terminal is provided, in which a first driving cam is fixed to one end of a hinge shaft by a locking device, for rotating, a second driving cam is provided at the other end of the hinge shaft, for rotating together with the first driving cam and making a linear reciprocal motion along the hinge shaft, a driven cam is interposed between the first and second driving cams, for making a linear reciprocal motion along the hinge shaft as a cam motion with the first and second driving cams, and an elastic member is interposed between a hinge housing and the second driving cam.

Abstract: A cradling device of a portable electronic apparatus, which includes a first housing, and a second housing which is slid from the first housing and then is cradled with a slant on the first housing. The second housing can rotate relative to the first housing. The cradling device includes a first member provided in the first housing; a slidable second member capable of sliding, which is provided in the second housing and faces the first member; and at least one cradling module provided in the first housing and the first member, which rotates the first member together with the second member on a rotation axis and cradles the second housing after sliding movement of the slidable second member.

Abstract: Provided are a tilt-type sliding module for a mobile phone and a terminal holder using the tilt-type sliding module, which enable a display unit of the mobile phone to perform a planar sliding motion and at the same time, to perform a tilt motion for inclining upwardly, thereby providing optimal convenience according to a user's purpose. The tilt-type sliding module allows a stable tilt motion of the display unit of the mobile phone by means of: a control bracket for controlling a rotation motion of a tilt rotation portion formed on each of both ends of a frame and a rotation motion and a lock motion of the tilt rotation portion by being fixedly coupled to an intermediate member of the mobile phone; a stopper shaft; and a spring ball.