Abstract: A touch stylus includes a first sleeve, a second sleeve, a stylus body, a first slide rod, and a second slide rod. The first sleeve defines a first assembling hole and the second sleeve defines a second assembling hole. The second sleeve is slidably received in the first assembling hole, the stylus body is slidably received in the second assembling hole. The first slide rod is secured with the first sleeve and slidably connects to the second sleeve. The second slide rod is secured with the second sleeve and slidably connects to the stylus body.

Abstract: A stylus includes a stylus barrel, a electrically conductive stylus head connecting to the stylus barrel, a rod assembly and a shaft. The rod assembly includes a swing block and an elastic member connecting the end of the swing block. The rod assembly is assembled in stylus barrel, the shaft is secured on the stylus barrel and passes through the swing block, making the swing block enable to tilt about the shaft, an end of the stylus head rotatably connects the other end of the swing block relative to the elastic member, the other end of the stylus head exposed to the stylus barrel, the elastic member provides an elastic force to cause the stylus head return to the original position after the stylus is moved into a tilted position.

Abstract: A stylus is disclosed including a main barrel, a main body receiving the main barrel, a stylus cover covering the main body, and a sliding rod assembled to the main barrel. The main body is slidably assembled to the sliding rod to transfer between being latched inside the main barrel and being exposed out of the main barrel.

Abstract: A stylus holding mechanism includes a housing, a positioning mechanism and a stylus. The housing defines a receiving space. The positioning mechanism includes a block and a spring. The block forms a projection, and the spring provides elastic force on the block. The stylus is received in the receiving space. The stylus defines a groove, and the projection is received in the groove for releasably locking the stylus.

Abstract: A touch stylus includes a stylus tube, a stylus holder, and a retracting mechanism. The stylus tube includes a tip integrally formed on one end thereof. The stylus holder is retractably coupled to the stylus tube by the retracting mechanism so the stylus holder can be extended out of the stylus tube to improve the convenience of use of the touch stylus or retracted to improve the portability of the touch stylus. The retracting mechanism includes a guiding track defined in the stylus holder and a fixing pin retractably engaged with the guiding track and fixed to the stylus tube so the stylus holder is retractably coupled to the stylus tube.

Abstract: A key button mechanism and a portable electronic device using same are provided. The key button mechanism includes a base body, a protective piece and a key button. The protective piece is assembled to the base body and includes two actuating portions. The key button is partially attached to the base body and aligns with the protective piece. The key button includes a key body and two resisting blocks formed on the key body. The two resisting blocks are configured to align with and abut against the corresponding two actuating portions of the protective piece.

Abstract: A stylus includes a housing, a stylus body and a first rotating member. The stylus body includes a tip. The first rotating member is coupled between the housing and the stylus body so the stylus body rotatably engages with the housing. The tip moves from one side of the first rotating member to another side of the first rotating member, when the stylus body rotates relative to the housing.

Abstract: A battery cover latching mechanism and a portable electronic device using the same are provided. The battery cover latching mechanism detachably locks a battery cover to the housing and includes an assembly portion, a locking assembly and a lock portion. The locking assembly is mounted to the assembly portion of the housing and includes an elastic piece and a latching member. The elastic piece is assembled within the receiving slot. The latching member is elastically and releasably assembled within the receiving slot by the elastic piece for locking or releasing the battery cover. The locking portion is formed on the battery cover and locked by the latching member.

Abstract: A stylus comprises a housing, a tip body, a slide enabling member and a cap assembly. The housing has a receptacle defined therethrough. The tip body is slidably accommodated in the receptacle of the housing. The slide enabling member slidably couples the tip body to the housing so the tip body can slide relative to the housing from a retracted position to an extended position. The cap assembly is releasably latched to the tip body. The tip body includes a tapered surface formed thereon; the cap assembly includes a resisting portion which is complemented in shape and size to resist the tapered surface of the tip body; when an external force is exerted on the cap assembly toward the housing, the resisting portion push the tapered surface so the tip body slides relative to the housing from the extended position to the retracted position.

Abstract: A stylus includes a housing, a stylus body including a tip, a pen including a head, a first rotating member and a second rotating member. The first rotating member is coupled between the housing and the stylus body so the stylus body rotatably engages with the housing. The second rotating member is coupled between the housing and the pen so the pen rotatably engages with the housing. When the stylus body rotates relative to the housing, the tip moves from a first side of the first rotating member to a second side of the first rotating member opposite to the first side of the first rotating member; when the pen rotates relative to the housing, the head moves from a first side of the second rotating member to a second side of the second rotating member opposite to the first side of the second rotating member.

Abstract: A touch pen includes a bush, a sliding rod, and a pen body. The sleeve has a pen head secured at an end and defines a receiving hole. The sliding rod is fixed in the receiving hole and defines a guiding slit. The pen body has an extending end defining an accommodating hole. The extending end is receivable in the receiving hole and the sliding rod is receivable in the accommodating hole. A holding pin is secured in the accommodating hole and passes through the guiding slit, the pen body slides relative to the pen head, the holding pin slides along the guiding slit and can be hold at the two ends of the guiding slit.

Abstract: A stylus comprises a housing, a stylus body and an elastic element. The housing has a receptacle longitudinally defined therethrough. The stylus body is hinged to housing and located in the receptacle. The elastic element is located between the housing and the stylus body. When the stylus body rotates relative to the housing from a retracted state to a tilted state, the elastic element is compressed and accumulate elastic force for restore the stylus to the retracted state.

Abstract: A stylus comprises a housing, a stylus body and a retaining structure. The housing has a receptacle defined therethrough. The retaining structure is configured to provide a mechanism for the stylus body to latch in the receptacle of the housing. The retaining structure includes a set of retaining members and a set of retaining slots that engage the retaining members.

Abstract: A rotating mechanism, comprises a retaining plate having a cut-out defined therethrough, the cut-out being curved; a rotating plate being capable of rotating in a plane parallel to the plane of the retaining plate by a shaft; a pin slidably engaging with the cut-out and retained on the rotating plate; and a guiding assembly is coupled between the rotating plate and the retaining plate to guide the rotating plate to rotate relative to the retaining plate.

Abstract: A portable electronic device includes a base, a cove, a first plate, a second plate, a first post, a second post, and an adjusting mechanism. The first plate is secured to the cover. A guiding slot and a receiving hole are defined in the first plate. The second plate is secured to the base. A receiving slot and a pin hole are defined in the second plate. The first post passes through the pin hole and the receiving hole. The second post passes through the receiving slot and is slidably received in the guiding slot. One end of the adjusting mechanism is rotatably connected to the first and second plates by the first post, and the other end of the adjusting mechanism is slidably connected to the first and second plates by the second post.

Abstract: A stylus comprises a housing, a stylus body, a latching element and a shell. The housing has a receptacle defined therethrough. The stylus body is accommodated in the receptacle and located at one end of the housing. The stylus body has two opposite arms located at one end thereof, each arm has a protrusion protruding therefrom. The latching element is mounted in the receptacle and is located at another end of the housing opposite to the stylus body. The latching element has two opposite latching cantilever and each cantilever having a rib protruding therefrom. The shell is slidably accommodated in the receptacle and has two opposite latching slots defined therein. The latching slots latch with the protrusions to hold the stylus in a retracted state, and the latching slots latch with the ribs to hold the stylus in an extended state.

Abstract: A stylus retaining mechanism is configured for retaining a stylus to a housing. The stylus includes a latching portion. The stylus retaining mechanism includes a locking assembly. The housing includes a fixing portion, an opening and a receiving chamber communicating with the opening. The receiving chamber is configured to receive a stylus, the housing including. The locking assembly is attached to the fixing portion. The locking assembly includes a locking member and an elastic member. One end of the elastic member is attached to the fixing portion, and the other end resists the locking member. The locking member includes a protrusion to engage with a latching portion of the stylus.

Abstract: A stylus retaining mechanism for portable electronic device includes a housing, a button assembly and a rejection assembly. The housing defines a receiving chamber to receive a stylus. The button assembly attached to the housing includes a button and a first elastic member. One end of the first elastic member is attached to the housing, and the another end resists the button. The button includes a locking portion to engage with a latching portion of the stylus. The ejection assembly is attached to the housing. The ejection assembly contacts with one end of the stylus and pushes the stylus out when the stylus is disengaged from the locking portion.

Abstract: A high voltage tolerant transceiver operating at a low voltage is provided, including two input/output pads to receive a receive signal and transmit a transmit signal; a transmitter block to transmit the transmit signal; a receiver block to receive the receive signal and provide an amplified signal; at least one of the transmitter block and the receiver block further comprising at least two NMOS transistors having their gate coupled to a low power supply to receive the low voltage, their substrate coupled to ground, and their source coupled to the input/output pad. Also provided is a circuit to isolate the output of a transmitter from high voltages, including a first transistor and a second transistor. Also provided is a substrate isolating circuit, including a first transistor, a second transistor, and a third transistor so that the substrate voltage is isolated from a high voltage in the pads.

Abstract: A protective cover includes a cover body and a pressing body integrally mounted to the cover body. The cover body has an accommodating cavity recessed from a surface of the cover body and an accommodating hole defined through the base wall of the accommodating cavity. The pressing body is mounted to the cover body and includes a pressing portion and a resisting post. The pressing portion is configured for being received within the accommodating cavity and exposed from the accommodating hole. The resisting post protruding from a surface of the pressing portion away from the cover body corresponding to the switch. There also discloses a key assembly using the protective cover and a portable electronic device using the key assembly.