Abstract: The integrated computing wireless communication device offers the added flexibility of conventional mobile computing devices while offering optional portability of the wireless communication device. The integrated computing wireless communication device includes an information input/output device connected to a wireless communication device at a universal joint. The information input/output device includes a display and at least one input device. The wireless communication device includes a processor and at least one separate input device. The processor receives the input and presents an output image on the display. The information input/output device and the wireless communication device are electrically connected by electrical contacts of the universal joint. The universal joint includes a pivot for rotating the information input/output device over a vertical axis and a swivel for rotating the information input/output device over a horizontal axis.

Abstract: An electronic radiotelephone comprising a first housing, a second housing, and an inner housing having retaining means for retaining to the inner housing the electronic components of the radiotelephone; and first releasable attaching means for releasable attaching the first housing to the inner housing, wherein the first housing, when attached to the inner housing, is presented towards a user during operation of the radiotelephone; and second releasably attaching means for releasable attaching the second housing to the inner housing, wherein the second housing, when attached to the inner housing, faces away from the user during operation of the radiotelephone.

Abstract: A portable electronic device comprises a device housing and a housing part arranged to overlie at least a portion of the device housing in a first position and arranged for pivoting movement away from the housing to a second position. A hinge connects the housing and the part for providing the pivoting movement of the part. An electrical connector is provided for electrically connecting at least one electrical component in the part and at least one electrical component in the housing. The electrical connector provides an electrical connection at the first and second positions of the part, but the electrical connection is broken during the pivoting movement of the part. Preferably the portable electronic device comprises a portable communication device such as a radio telephone.

Abstract: A portable cellular phone comprising a case body and a sliding cover is disclosed. The case body includes an operating section and stopper portions. The sliding cover covers the operating section of said case body and is slidably supported on said case body. The stopper portions of the case body restrict a sliding range of said sliding cover. The sliding cover is mounted and detached with respect to said case body by applying an outer force to the sliding cover in a direction perpendicular to a sliding direction when the sliding cover is positioned at a specific position within the sliding range. When the sliding cover is mounted, one of locking portions of the sliding cover is engaged with one of locking portions of the case body, and the other locking portion of the sliding cover is aligned in position on the other locking portion of the case body. The sliding cover is fit to the case body by applying an outer force.

Abstract: A magnetic hinge apparatus is applicable to a foldable product (such as folding cellular phone) for connecting the cover and the base. A practical application is provided by aligning two magnetic cams on a shaft. One magnetic cam is connected to the base, and the other is connected to the cover. Also, an attractive force is formed between the opposite surfaces of the two opposite magnetic cams. Before applying any external force on the foldable product, the convex portion of one magnetic cam completely engages the concave portion of the other magnetic cam. When the cover is opened, both magnetic cams are rotated relatively and then separated from the engaged position. When the cover keeps in opening, the convex portions of both magnetic cams are going to touch and then across each other; meanwhile, the magnetic force can attract two magnetic cams back to the engaged position. Accordingly, the foldable product secured by the magnetic hinge apparatus possesses the snap characteristic.

Abstract: A folding electronic apparatus invention comprises a flexible substrate where a first belt-like part and a second belt-like part are connected by a middle part so as to form a crank shape. At least one of the first belt-like part and the second belt-like part of the flexible substrate is rolled with the middle part as an axis to form a roll buffer part. The roll buffer part is housed in the hollow of a hinge axis. A tips of the first and second belt-like parts are pulled into a first and second units through an opening in the hinge axis and then connected to the first and second circuits in the first and second units.

Abstract: This hinge device comprises: a hinge element 10 which, along with being made up from an axis body 14 and a hinge main body, is made so that the axis body 14 has a predetermined torque characteristic around an axis relative to said hinge main body; a lock mechanism 30 (a first lock member which has an engagement cutaway 31b, and a second lock member which is biased by a spring 32 in the forwards direction and has an engagement body 34b) which functions so as to lock rotational movement of the axis body 14 around the axis; and a lock release mechanism 40 (a push button 40 having a projection 43) for releasing the locking by the lock mechanism 30. Due to this, it is not necessary for a separate lock mechanism or the like to be provided to a portable electronic device, and it becomes possible to provide a hinge device which contributes to simplification and reduction of space of a portable electronic device.

Abstract: There is provided a mobile communication terminal having a connecting apparatus for allowing unrestricted rotation of a rotary camera disposed on the terminal while maintaining an electrical circuit between the camera and a Printed Circuit Board (PCB) installed in the terminal. The connecting apparatus uses a plurality of bearings disposed on an outer circumferential surface of a connecting member to maintain the circuit. A portion of the member adjacent to the camera rotates with the camera while the remaining portion is fixed. The bearings also provide sufficient resistance to prevent unintended rotation of the camera.

Abstract: A portable electronic device (10) such as a mobile phone comprises two body parts (12, 14) moveably connected by hinges (16). Each hinge comprises a shaft part (22) and a housing part (20), the parts being relatively moveable about a common axis of rotation. The shaft part has a shaft pin (28) lying on the common axis of rotation and a leg (24) extending laterally with respect to the shaft pin. The housing part has an groove (36, 38) and a bore (32), the bore co-operating with the shaft pin and the groove engaging with the leg to restrain the shaft part from rotational movement. The shaft part is moveable relative to the housing part between a first position in which the leg is engaged with the groove and a second position in which the leg is not engaged with the groove.

Abstract: A portable telephone, equipped with an opening/closing cover, which houses an operating part. An operating panel is mounted to a main casing in a manner enabling movement between a position at the front face side and a position at the inner side of the main casing, and a compression spring, which urges this operating panel in the direction of the position at the front face side of the main casing is equipped. When the opening/closing cover is at the closed position, the operating panel is positioned at the position at the inner side of the main casing, and when the opening/closing cover is opened, the operating panel is moved to the position at the front face side by the compression spring so that it is positioned at a position at which the operating surface is substantially flush with the back face of the opening/closing cover that is positioned at the opened position.

Abstract: First display (4) comprising a liquid crystal display is provided on the external surface of the first case body (1). In the near proximity of the first display (4), a non-voice radio communications service start button (5), scroll buttons (6a), (6b), and a selection/decision button (7) are provided. On the internal surface of the first case body (1), the second display 8, on the side of which is provided an antenna 9 retractable slantwise, is provided. In the first case body (1) is embedded a magnet (18) and in the second case body (2) is embedded a lead switch (19). When the main unit is folded to bring the magnet (18) in close proximity to the lead switch (19), the lead switch is turned ON. When the main unit is unfolded to place the magnet (18) apart from the lead switch (19), the lead switch is turned OFF. This allows detection of folding/unfolding of the case body.

Abstract: Disclosed is a folder driving device for a portable device.

Abstract: The invention relates to a mobile terminal and hinge device thereof. The mobile terminal comprises: a first keypad disposed with a plurality of keys in the upper face of the main body at one side from a central portion so that the keys can be exposed; a second keypad disposed with a plurality of keys in the upper face of the main body at the other side from the central portion so that the keys can be exposed; and a planar area disposed in the central portion of the upper face of the main body to which the sub-body is rotatably connected, whereby one of the first and second keypads is opened and closed according to rotation of the sub-body. The mobile terminal introduces a novel concept including design by coupling the sub-body to the main body in a manner horizontally rotatable with respect to the upper face of the main body to open/close the keypad at least at one side of the main body.

Abstract: A hinge positioning apparatus for a foldable mobile telephone has a shaft, a set angle device and a biasing member. A washer is mounted on one end of the shaft. The set angle device has a stationary sleeve with a concave groove and a retractable sleeve with a convex ridge. The convex groove of stationary sleeve is rotatably attached to the concave ridge of the retractable surface. The biasing member is mounted around the shaft and mounted between the retractable sleeve and the washer. With such a hinge positioning apparatus, the hinge positioning apparatus can be used for an extended life without permanently deforming the biasing member inside the hinge positioning apparatus.

Abstract: A dual function mobile station is constructed with first input and first display, which are used in the first functional mode, and second input and second display that are used in the second functional mode. The orientation of the mobile station in the second mode of operation is transverse to the orientation of the mobile station in the first mode of operation.

Abstract: Inclined plane is provided at the tip of rotor cam. On the other hand, inclined planes are also provided in specific positions of stator cam. Because of this structure, in the specific positions, the inclined planes are in resilient contact with each other. Thus, the load is increased only in the specific positions without an increase in the load of spring. This structure can provide an opening and closing device capable of securely holding only desired positions without affecting the feel of opening and closing operation of the entire device, and electronic equipment using the device.

Abstract: A built-in microphone is provided in a flap hinged to a body in a closable manner. Sound-collection holes are formed in interior and exterior flaps of the flap for collecting sound into the microphone. Even when the flap is in either a closed state or an open state, communication becomes feasible.

Abstract: The object of this invention is to provide a hinge device for camera-equipped mobile phones, and a mobile phone having such a hinge device. The hinge device allows the fold of a mobile phone to be automatically opened or closed relative to the main body, and allows automatic rotation of a digital camera of the phone. The hinge device includes a fixed hinge part (130), a rotary hinge part (110), a power generating means provided in the fold to generate a rotating drive force, an internal rotor (106) provided in the rotary hinge part, a camera (104) provided in the internal rotor, a rotation stop means for stopping rotation of the internal rotor and rotating the rotary hinge part using the rotating drive force, and a power transmission means connected to both the power generating means and the fixed hinge part to selectively perform power transmission.

Abstract: A cover structure (1) for a portable electronic device includes a back cover (10) and a front cover (20), wherein the back cover forms a main joint portion (120), the front cover forms a shell (22), the main joint portion has an arcuate wall (121), and a cutout portion (1210) is formed on the arcuate wall. When assembling the back and front covers, a knuckle (12) is formed by means of the shell engaging with the main joint portion on the cutout portion thereof.

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.

Abstract: A folding mobile telephone having a dual-movement hinge. The hinge movably attaches one section of the mobile phone to another in such a way that there are at least two ways to access the various features of the mobile phone that are hidden from view in a closed position. The hinge includes a longitudinal pin having a first end that is disposed within a sleeve attached to the first enclosure section, and a second end that is disposed within a sleeve that is attached to the second enclosure section. As a result, the sections may be moved longitudinally with respect to each other for a portion of their length by sliding one or both sleeves away from the other along the pin. The sections may also be rotated about the pin to move the mobile telephone to an open position. In this way a user may selectively access all, or only a portion of the encloseable components and features of the mobile telephone.

Abstract: A portable type mobile radio telephone apparatus according to the present invention prevents the deterioration of antenna characteristics and obtains transmission/reception characteristics with stable sensitivity, thereby making it possible to stably call and receive a call. The apparatus comprises an antenna for transmitting and receiving radio waves, a transmitter/receiver portion including a microphone/speaker, and a flip board which covers a manipulation portion and freely opens and closes to have an opening/closing range of 270 degrees or more about an opening/closing axis at a lower portion of the flip board. The flip board may have a rotational axis for opening and closing at a lower portion of a back surface of the apparatus and cover a manipulation surface of a manipulation portion and a lower portion of the apparatus.

Abstract: A folding-type mobile terminal comprises: a first body having a first printed-board module inside thereof and having an input unit on a surface of the first body; a second body having a second printed-board module inside thereof and having a display unit on a surface of the second body; a hinge coupling the first body and the second body so that the folding-type mobile terminal is capable of being folded, the hinge being made of a metal; a first metal chassis incorporated into the first body, the first metal chassis extending from the hinge; and a second metal chassis incorporated into the second body, the second metal chassis extending from the hinge. Each of the first body and the second body has the printed-board module, an upper case-member and a lower case-member each fixed to the metal chassis so that the upper case-member and the lower case-member together cover the metal chassis. The upper case-member and the lower case-member are made of a synthetic resin.

Abstract: Disclosed herein is an apparatus for operating the cover of a mobile device. The apparatus includes a cylindrical housing formed on one end of the device cover. The cylindrical housing accommodates an operating means. The cylindrical housing has a projection at its first side and is open at its second side. Two holding projections are integrated with a device body, have opposite holding recesses and rotatably support the cylindrical housing. A hinge shaft is connected to the output end of the operating means, the cam portion of which is inserted into one of the holding recesses. Elasticity means is situated in the holding recess into which the cam portion is inserted for exerting a predetermined amount of elastic force on the cam portion. A switch is formed on one side of the device body for applying an operating signal to the operating means.

Abstract: Mobile telephony station with a speaker phone function including a front panel having a plurality of menu selecting keys for selecting menu, an LCD panel for displaying various information and messages, a mike for putting in a transmission speech, and a first speaker for presenting a received speech, a flip hinged on the front panel for protecting the LCD panel, a sensor switch on the front panel for sensing opening/closing of the flip, and a second speaker for selectively presenting a received speech, together with the first speaker, depending on a switching state of the sensor switch, to carry out the speaker phone function, thereby permitting to select the speaker phone function automatically at opening a flip, in a setting mode, or by using a toggle switch.

Abstract: A personal digital assistant (PDA)/telephone combination device comprising a base, a screen coupled to the base, and a keypad hingably mounted to the base. The keypad provides a partial view of the screen in a lowered position and a full view of the screen in a raised position. The keypad comprises a window that provides the partial view of the screen when the keypad is in a lowered position. A cover hingably mounts to the base wherein the keypad is located between the cover and the base. The cover rotates between an open position and a closed position. The screen displays telephone information when the keypad is in a lowered position. Control buttons coupled to the base are covered when the cover is in the closed position and uncovered when the cover is in an open position. In an additional embodiment, control buttons coupled to the base are uncovered when the cover is in both the closed position and the open position.

Abstract: The invention supports an antenna (9) retractably from bottom to top via an antenna receiver section (8) on the side of the second case body (2) so that it is possible to fold/unfold the first case body (1) irrespective of the direction of the antenna (9) and whether the antenna (9) is stretched or housed.

Abstract: A personal digital assistant/telephone device comprising a base, a screen coupled to the base, and a keypad hingably mounted to the base. The keypad provides a partial view of the screen in a lowered position and a full view of the screen in a raised position. The keypad further comprises a window that provides a partial view of the screen when the keypad is in a lowered position. A cover hingably mounts to the base and the keypad is located between the cover and the base. The cover rotates between an open position and a closed position. The screen displays telephone information when the keypad is in a lowered position. Control buttons coupled to the base are covered when the cover is in the closed position and uncovered when the cover is in an open position. In an additional embodiment, control buttons coupled to the base are uncovered when the cover is in both the closed position and the open position.

Abstract: A pair of first conversion faces (55, 55) and a pair of second conversion faces (56, 56) are formed on the end face of a contact member (50) with which a movable member (now shown) comes into contact. The first conversion faces (55, 55) are separated by 180 degrees from each other in the circumferential direction of the contact member (50). The second conversion faces (56, 56) are separated by 180 degrees from each other in the circumferential direction of the contact member (50), and at the same time separated from the first conversion faces (55, 55) by a predetermined angle. The movable member is equipped with a pair of pressing projections which come into contact with the first conversion faces (55, 55) when the cover rotates to its closed position and come into contact with the second conversion faces (56, 56) when the cover rotates to its open position.

Abstract: A device includes a pair of arms attached to a housing for securing a portable phone to vehicles, a circuit board received in the housing and having two or more couplers for coupling to a microphone, a speaker, and for allowing the users to speak and to receive the phones without carrying the portable phone. The portable phone may be easily and readily attached to the vehicle and electrically coupled to the electric power of vehicle with a plug which may be secured to the housing with a universal joint. Various adapters may be used to selectively couple to different phones.

Abstract: The present invention is a case structure of a data processing device, which has a cover made of a highly elastic material and directly formed on the case whereby the cover can be bent and set at the top or bottom of the case.

Abstract: A mobile phone cover hinge has a driven block slidably mounted in a sleeve that is securely received in the mobile phone body and a driving block rotatably mounted in the cover of the mobile phone. When the cover pivots in a first direction, the driving block pushes the driven block so as to compress the first spring received in the sleeve. When the cover pivots in a second direction opposite to the first direction, the compressed first spring will facilitate the cover to return to its original position.

Abstract: A foldable handy phone of the present invention includes a receiver case and a transmitter case hinged to each other. A piezoelectric device or similar sounding means is accommodated in the receiver case. A through hole is formed in the surface of the receiver case that faces the transmitter case when the handy phone is folded up. The through hole is communicated to a portion accommodating the sounding means. A groove is formed in the above surface of the receiver case and extends from the open end of the through hole to the end of the receiver case opposite to the end hinged to the transmitter case. When the sounding means produces an alert tone in the folded position of the handy phone, the alert tone is radiated to the outside via the groove.

Abstract: A rotating shaft with open and shut function comprises a shaft part, a fixing part, a slide part, an extension part and/or a rotating part. When a lid on an article rotates, the rotating slants of the rotating projections on the rotating part move along the end projections of the slide part to allow the sliding juts on the slide part moving along the fixing juts on the fixing part so as to compress the extension part between the fixing part and the slide part. When the lid rotates an angle till the rotating projections contacting face to face with the end projections, the lid can be located in a state of standstill. When rotating slants move to the slant side of the respective end projection at the another side thereof, the extension part stretches to allow the slide part moving back axially so that the rotating slants can move along the end slants to form a state of engagement between the rotating slants and the end slants respectively and the lid can be fully opened automatically.

Abstract: In order to attain a small-sized opening and closing device suitable for use especially with a portable telephone which is so constructed to reduce cost by minimizing the number of parts to simplify the structure thereof, and to achieve a light pushing operation on a push-button, the present invention is composed of a shaft, a slider cam attached to the shaft slidably in an axial direction, having a cam portion in one end portion, a first compression spring interposed resiliently between the slider cam and the shaft, an inner cam attached rotatably relative to the shaft, having a cam portion disposed on a side thereof facing the cam portion of the slider cam, an outer cam attached to the shaft, accommodating the inner cam rotatably therein, with a cam portion thereof provided on a side facing the cam portion of the slider cam, a slide key disposed non-rotatably and slidably in an axial direction relative to the outer cam, for arresting and releasing the inner cam, a push-button disposed in one end portion of

Abstract: A communication device (1) comprising a first part (2); a second part (3); coupling means (4) for coupling the first (2) and the second part (3) and allowing a mutual movement about a hinged joint (AA); and a connection point (5) for an insertable plug. Said point of connection (5) is arranged to said coupling means (4) and it substantially coincides with the hinged joint (AA) of the device (1). Consequently, the external connection will not interfere with the pivoting movement nor will it complicate handling and holding of the device.

Abstract: In a folding mobile wireless device, at least one of contact portions of connecting portions which come in contact with a coupling pin has a higher strength than a portion other than the contact portion or a housing provided with the connecting portion including the contact portion.

Abstract: To provide a novel hinge structure for a collapsible portable phone, which is very convenient and highly valuable on the market, the hinge structure includes an operating member (2) provided with a phone operating portion (1) on its surface; a display member (3), pivotally and collapsibly coupled with the operating member (2) and provided with a display image field (6) in which numerals and/or letters for phone numbers and/or names may be displayed on its surface; and a biasing mechanism S that may exhibit a closing biasing force for biasing the display member (3) in a closing direction between a closed condition that the display member (3) is collapsed to the operating member (2) and a predetermined rotational position A where the display member (3) is rotated to the operating member (2) in an opening direction and may exhibit an opening biasing force for biasing the display member (3) in the opening direction between a fully opened condition that the display member (3) is fully opened to the operating membe

Abstract: A magnetic rotating apparatus is used for connecting a body portion and a rotating portion of a foldable product. The body portion has an assembling portion while the rotating portion has a pivot portion. The rotating portion is secured to the body portion by engaging the pivot portion with the assembling portion, so that the rotating portion is allowed to pivot on the body portion and be positioned at the first stable equilibrium or the second stable equilibrium. The magnetic rotating apparatus comprises a magnetic body component situated in the assembling portion and a magnetic pivot component situated in the pivot portion. The magnetic body component and the magnetic pivot component are disposed as mates. Also, the opposite surfaces of the magnetic pivot component and the magnetic body component have the same polarity. When the rotating portion and the body portion are maintained at the first stable equilibrium, the magnetic pivot component is positioned at one side adjacent to the magnetic body component.

Abstract: A magnetic hinge apparatus having a hinge housing, a hinge shaft, an immobilized magnetic device, and a rotatable magnetic device is disclosed. The hinge housing has a cavity for receiving the immobilized magnetic device and the rotatable magnetic device. There is no relative motion between the immobilized magnetic device and the hinge housing, due to the firm attachment of the immobilized magnetic device to the hinge housing. The hinge shaft on which the rotatable magnetic device is assembled is inserted in the cavity. When the hinge housing rotates around the hinge shaft, the immobilized magnetic device is simultaneously rotated relatively to the rotatable magnetic device. The rotatable and immobilized magnetic devices are disposed as mates, and the opposite surfaces of the rotatable magnetic device and the immobilized magnetic device have the same polarity. Accordingly, the magnetic hinge apparatus is stably maintained at two equilibrium positions.

Abstract: A portable telephone set includes a telephone set main body and a flipper. The telephone set main body is provided with a hinge mechanism and a flipper joint plate. The flipper joint plate is pivotally supported by hinge modules and has a connector at an end thereof. The flipper is joined to the flipper joint plate. The flipper is provided with a cable accommodating portion in which a short cable with a connector is accommodated. The cable includes a short cable main body as long as, for example, 10 cm and two connectors at respective ends of the cable. For mobile communication, one of the connectors of the cable is taken out from the flipper and connected to an information processing device.

Abstract: In a folding-type electronic apparatus in which first and second base members (81, 83) are connected by a hinge element (11) to be rotatable around a predetermined axis with respect to each other, the hinge element has a receptacle portion for receiving a flexible conductor element (41). An end of the flexible conductor element is connected to a first electric element mounted on the first base member. Another end of the flexible conductor element is connected to a second electric element mounted oh the second base member. The flexible conductor has an intermediate portion located between the ends thereof and received in the receptacle portion of the hinge element.

Abstract: The present invention relates to a hinge providing a specified braking force against pivotal motion between two hinged flaps. The hinge includes a bearing body, which has, at its exterior, mountings for a first flap and also a wear-resistant inner surface having slider catches at positions spaced by a specified angle on the same circumference of the inner surface. The hinge also has a shaft with a mounting at one end for a second flap. The shaft is mounted in the bearing body in a manner allowing relative turning, and also has a spring housing hole opening at its outer surface along an axis crossing at a right angle with its longitudinal axis. While turning, a coil spring, which is inserted into the spring housing hole, biases a slider radially outward from the spring housing hole.

Abstract: A cam portion 5 is composed of a first to fifth arcuate surfaces 51 to 55. The first arcuate surface 51 is arranged such that when a cover member C of a cellular telephone is located in a neutral position, a plate spring portion 22 contacts a crossing portion 56 where the first arcuate surface 51 crosses an orthogonal line Lp passing through a center of curvature of the first arcuate surface 51 and orthogonal to a rotation axis L. A second and a third arcuate surface 52, 53 are arranged on both sides of the first arcuate surface 51. Radii of curvature of the second and third arcuate surfaces are set to be larger than a radius of curvature of the fist arcuate surface 51.

Abstract: A hinge shaft 6 is nonpivotably connected to a cover 3. Two shaft portions 63 are formed on the hinge shaft 6. Spring elements 51, which are nonpivotably disposed at a telephone main body 2, are in pressure contact with the shaft portions 63. By the foregoing arrangement, the shaft portions 63 are functioned as a pivotal movement restricting portion for restricting a pivoting position of the cover 3. The shaft portions 63 are arranged away from each other so that a space S for storing a lubricating oil such as a grease is formed therebetween.

Abstract: An electronic device comprising a housing 4, a display for entering and displaying data, the display being disposed in the housing and having a touch sensitive surface 6, and a cover 8 and 28. The cover is coupled to the housing 4 in a movable manner and movable between an open position and a closed position. When the cover is in the closed position, at least a portion of the touch sensitive surface 6 is covered by the cover. The device includes a sensor for sensing whether the cover is in the closed position. The sensor comprises a member 12 and 22 on the cover and a corresponding activation area 66 and 68 of the touch sensitive surface. The member and the corresponding activation area of the touch sensitive surface are in contact when the cover is in the closed position.

Abstract: A notebook computer-telephone includes a body that is comprised of at least two hinged parts, a microphone, a speaker, and a ported speaker cover that is rotatably attached to the body. The cover has at least two useful positions. The first position direct sound from the speaker out of the body when the hinge is closed. In this position the speaker is useful in conjunction with the microphone for telephone use. The second position is useful when the hinge is open, directing sound from the speaker out of the body within the area exposed by the opened hinge. Multiple resting positions created by the hinged structure are useful, especially for speakerphone use. A position of the cover that protects the speaker when the hinge is closed is provided. All three positions are achieved without an impact on the size of the device. A second microphone as well as a camera may be provided for flexibility and videophone use. The speaker and the camera may be mounted in conjunction with the cover.

Abstract: This invention relates to an electronic device or foldable cellular phone set in which boards arranged in two casings bendably connected to each other through a connecting portion are electrically connected to each other by a wireless communication unit using infrared rays or the like. As the wireless communication unit, either an optical method using infrared rays or the like, or a radio wave method using a radio wave can be used.

Abstract: A mobile phone of the present invention has a structure in which a second case is provided with a sub-display unit and an LED for indicating an incoming call, both of which can be watched even in a state where the mobile phone is folded. The sub-display unit is provided on a back surface opposite to a main surface on which a main display unit is provided. Moreover, the mobile phone of the present invention is provided with a sub-operation unit on a side surface of a first case. The sub-operation unit is provided with a first operation key, a second operation key, and a third operation key. Correspondingly to these keys, a short cut function is registered in a storage unit for setting a useful function (for example, a ring tone, an LED for indicating an incoming call, or the like) for a case in which a change is made in a state where the mobile phone is folded.

Abstract: A watch type portable radiotelephone is disclosed. The watch type portable radiotelephone includes a body element having upper and lower case frames; a battery pack holder including a battery pack for supplying power to the body element; a locking device for locking and unlocking the battery pack to and from the battery pack holder, respectively; a hinge connector for rotatably connecting the body element and the battery pack holder to each other; and a wrist band connected to the body element and the battery pack holder for enabling the portable radiotelephone to be worn around the wrist.