Abstract: A hinge mechanism for pivotally connecting a flip onto a housing includes a bush, a spring, and a camshaft. The bush is connected to the flip and has a sidewall, a receiving space defined by the sidewall, and a protrusion. The protrusion is protruded from the sidewall. The camshaft has a first end, a second end, and a shaped notch. The shaped notch includes a first concave portion and a second concave portion, and the protrusion is slidably received within the shaped notch. The first end of the camshaft is slidably coupled to the bush, and the second end of the camshaft is restrictedly coupled to the housing. When the flip is pivoted on the housing, the bush simultaneously rotates around the pivoting axis of the hinge mechanism so that the protrusion slides within the shaped notch from the first concave portion to the second concave portion.

Abstract: An electronic device and position sensor thereof. The position sensor includes a housing, a first conductor disposed at the bottom of the housing, a plurality of second conductors engaged in the housing and a connector movably disposed in the housing and contacting the first conductor, wherein the contour of the housing limits the connector to connection between the first conductor to one of the second conductors selectively. Varied display modes are thus provided in different positions.

Abstract: A flip phone having a hinge mechanism with an auto-lock function includes a main body, a flipper, a sleeve shaft, a torsion spring, a first bush and a second bush, a torsion spring, and a first chute and a second chute. The torsion spring having a first spring end and a second spring end is disposed between the first bush and the second bush. The first spring end connected to the first bush synchronously rotates with the first bush and the second spring end connected to the second bush synchronously rotates with the second bush. The first bush is rotatably coupled to the first chute, and the second bush is rotatably coupled to the torsion spring chamber so that the flipper is rotatable around the hinge mechanism longitudinal axis to be in an opened position or a closed position. When the rotating object remains in the closed position, the torsion spring stores energy for unfolding the rotating object.

Abstract: A portable communications device includes a transceiver module and a cover detachably installed on the transceiver module. The cover contains magnetic media disposed on the cover, the magnetic media emitting a magnetic flux for identifying the cover. The transceiver module includes a magnetic sensor for measuring the magnetic flux emitted by the magnetic media and generating a corresponding output signal and a control circuit for receiving the output signal from the magnetic sensor and determining an identification of the cover based on the received output signal.

Abstract: A SIM card socket and method for manufacturing the same. The SIM card socket includes a base, a first engaging member, and a second engaging member. The base includes a first side and a second side opposite thereto. The first engaging member is fixed on the first side of the base. The second engaging member is disposed on the second side of the base in an elastically deformable manner. The manufacturing method includes the following steps. A conductive base with a plurality of protrusions is provided. An isolating member is formed on the conductive base, and the protrusions are partially covered by the isolating member. The protrusions are cut so as to not connect with each other.

Abstract: A hinge mechanism includes a shaft, a cam, a spring and a sliding member. The shaft has a first end and a second end and the cam is movably disposed at the first end and has an inclined plane facing the second end. Also, the spring is disposed at the second end, and the sliding member is disposed on the shaft and is coupled with the spring. The sliding member moves along the shaft due to the elasticity of the spring. In addition, the sliding member has a contact capable of reaching the inclined plane, wherein the cam on which a force is imposed moves toward the second end so that an elastic potential energy is stored as a result of elastic deformation of the spring and the contact of the sliding member presses the inclined plane to rotate the cam by the spring's resilience.

Abstract: A self-locking hinge apparatus with a single stable state includes a pivotal shaft, a retaining ring, a stator, a compression spring, and a rotor. The retaining ring, the compression spring, the stator and the rotor are arranged in series along the pivotal shaft. The stator is slide-able but not rotatable on the pivotal shaft. The rotor is both slide-able and rotatable on the pivotal shaft. By providing the compression spring to enforce a cam-contact between the stator and the rotor, an auto cam sliding pair is then formed to make the hinge apparatus stabilized automatically at the predetermined stable state.

Abstract: A cellular telephone with a changeable key arrangement has a housing, a first circuit board, a second circuit board, and a processor. The housing has a plurality of keys arranged in a first manner. The first circuit board is a rigid printed circuit board having a first connector on an upper side of the first circuit board. The second circuit board is installed above the first circuit board and below the plurality of keys. The second circuit board has a plurality of key switches arranged in the first manner for interacting with the plurality of keys to generate corresponding key-pressing signals, and a second connector detachably connected with the first connector for transmitting the key-pressing signals. The second circuit board is changeable so that keys arranged with different patterns can be installed onto the housing.

Abstract: A structure of exchangeable décor panel for portable cellular phone that is applied to the folding portable cellular phone having a continuing groove located on a proper position of flip cover and base portion thereof for accommodating a décor panel made of flexible material, wherein said flexible décor panel is installed in its inner side with two rigid plates whose outer rims conform exactly to the outer rims of said décor panel, moreover, there is at least one retainer extending outwards from the outer rim of said rigid plate for clipping on the corresponding retainer holes installed inside said continuing groove to form a compact structure, thus, said décor panel can be changed at will to enable said cellular phone to have different appearance.

Abstract: A hinge mechanism for pivotally connecting a flip onto a housing includes a bush, a compression spring, and a release button. The bush has a sidewall, a receiving space defined by the sidewall, and a protrusion. The protrusion is protruded from the sidewall. The release button has a shaped notch, which includes a concave portion, a stop portion, and a convex portion formed between the concave portion and the stop portion. The stop portion extends substantially parallel to the pivoting axis. The protrusion is slidably received within the shaped notch. The compression spring is disposed within the receiving space and pressed by the release button and the bush. When closing the flip, the bush rotates synchronously with the flip and the protrusion moves in the shaped notch. When pushing the release button, the flip opens automatically.

Abstract: A mobile phone with an interchangeable housing. The mobile phone includes a body, a front housing, a rear cover, a battery cover, and a battery pack. The body includes an engaging member. The front housing is detachably disposed on the body via the engaging member. The rear cover is detachably disposed on the body via the engaging member. The battery cover is detachably disposed on the body. The body is covered by the front housing, the rear cover, and the battery cover. The battery pack is disposed on the body, and includes a projecting portion. The projecting portion is abutted by the engaging member so as to move the engaging member.

Abstract: An electronic device includes a housing that is formed with a recess for receiving an electronic card, and a groove extending from the recess. A pivot pin is mounted in the groove. A cover is hooked on the pivot pin for covering the electronic card. The groove has a bight portion divided into first and second sections which are respectively spaced apart from the pivot pin by first and second gaps. A hook on the cover has a width smaller than that of the first gap and greater than that of the second gap.

Abstract: The present invention discloses a housing assembly of a portable electronic device. The housing assembly includes the first housing having a clasp and the second housing having a clasp and a clip. The first and second plates have latches and are slidably disposed on the first housing respectively. When the first and second housing are assembled together, the clasps on the first and second housings are joined together. Subsequently, the first and second plates slide and the clips are coupled to the latches. The first and second plates may be replaced by a U-shape plate. The U-shape plate is slidably disposed on the first housing and has a latch. When the first and second housing are assembled together, the clasps on the first and second housings are joined together. Subsequently, the U-shape plate slides and the clip is coupled to the latch.

Abstract: The present invention relates to a protection structure for use with an electronic device having an interchangeable housing. The protection structure includes a first protection element and a second protection element. The first protection element is disposed between an upper cover and an electronic module of the electronic device. The second device is disposed between a lower cover and the electronic module of the electronic device and coupled to the first protection element. When a user disassembles the upper and lower covers, the first and second protection elements protect the electronic module.

Abstract: A liquid crystal display (LCD) light guide is provided for use in a portable electronic device. The electronic device contains electronic components, a ground pad, an electrically conductive sponge, an LCD module, a light guide, and a light source. The light guide includes a translucent plate having a metallic reflector disposed on one face. The light guide provides illumination to an LCD module and simultaneously acts as a shield against electrostatic discharge and electromagnetic radiation.

Abstract: A mobile phone with a dual PCB structure. The mobile phone includes a first PCB with electronic elements disposed thereon. A conductive enclosure is disposed on the first printed circuit board. A second printed circuit board has a plurality of layers and contacts the conductive enclosure. The first printed circuit board, the conductive enclosure and the second printed circuit board form a closed space within which the electronic elements are disposed. The first layer next to the conductive enclosure is an exposed copper layer grounded to protect the electronic elements from EMI.

Abstract: A mobile phone with a changeable keypad. The mobile phone has a connecter disposed on a main board mounted on a frame assembly and a keypad having a second PCB with a plurality of keys. The keypad is movably disposed on the frame assembly through a groove. The second PCB of the keypad is detachably connected to the main board through the connecter, such as a spring-type connecter or an FPC.

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 flip phone having a hinge mechanism with an auto-lock function includes a main body, a flipper, a sleeve shaft, a torsion spring, a first bush and a second bush, a torsion spring, and a first chute and a second chute. The torsion spring having a first spring end and a second spring end is disposed between the first bush and the second bush. The first spring end connected to the first bush synchronously rotates with the first bush and the second spring end connected to the second bush synchronously rotates with the second bush. The first bush is rotatably coupled to the first chute, and the second bush is rotatably coupled to the torsion spring chamber so that the flipper is rotatable around the hinge mechanism longitudinal axis to be in an opened position or a closed position. When the rotating object remains in the closed position, the torsion spring stores energy for unfolding the rotating object.