Abstract: A method for providing tactile stimulation is applied in an electronic device. The electronic device includes a touch-sensitive screen and a tactile stimulation multilayer connected to the touch-sensitive screen. The tactile stimulation multilayer includes a number of electrodes.

Abstract: A method for providing tactile stimulation is applied in an electronic device. The electronic device includes a touch-sensitive screen and a tactile stimulation multilayer connected to the touch-sensitive screen. The method includes the following steps: detecting one or more touch points on the touch-sensitive screen; obtaining position information of each touch point; calculating a cover range of each touch point according to the obtained position information, and determining a center of each calculated cover range; determining a number of continuous electrodes corresponding to each calculated cover range and one electrode corresponding to the determined center of the calculated cover range; and energizing the continuous electrodes with different electrical parameters, causing the electrical parameters of the continuous electrodes to gradually decrease outward from the electrode corresponding to the center.

Abstract: A housing includes a bottom shell and a plurality of protection blocks. The bottom shell includes a bottom wall, a peripheral wall extending from a periphery of the bottom wall, and a support wall extending from a side surface of the peripheral wall toward the interior of the housing. The support wall includes a plurality of corners. Each of the plurality of corners encloses a protection groove holding a protection block, thus building protection against impacts within the existing profile of the housing, instead of the protection being attached to the exterior of the housing.

Abstract: A touchscreen for an electronic device includes an input surface, a number of temperature sensors, and a processor connected to the temperature sensors. The temperature sensors senses temperatures of positions on the input surface and outputs corresponding sensing signals to the processor. The processor receives the sensing signals and determines whether the input surface is touched based on the sensing signals.

Abstract: A protection case for receiving an electronic device. The protection case includes a receiving body for receiving the electronic device, a pair of winding mechanisms correspondingly set at two opposite sides of the receiving body, and a pair of belts correspondingly being wound on the winding mechanisms. The belts extend retractably out from the winding mechanisms to fasten the receiving body to a user.

Abstract: A folding portable keyboard includes a first keyboard section, a second keyboard section, and a folding structure. The first keyboard section and the second keyboard section are coplanar with each other when the portable keyboard is unfolded, or overlap each other when the portable keyboard is folded. The folding structure includes a rotary assembly having a first sleeve, a second sleeve, and a pivot. The first sleeve is defined on a first sidewall of the first keyboard section. The second sleeve is defined on a second sidewall of the second keyboard section. The pivot is sleeved by the first sleeve and the second sleeve. The first sleeve and the second sleeve are capable of rotating relative to each other about the pivot until the first keyboard section overlaps the second keyboard section.

Abstract: A rotating mechanism for rotatably connecting a first main body with a second main body includes a main gear connected to the first main body, a pair of auxiliary gears connected to the second main body, and a connecting piece. The connecting piece includes a connecting part and a positioning part perpendicularly extending from a middle of the connecting part. The positioning part is located between the pair of auxiliary gears with two opposite ends of the positioning part rotatably connected to the pair of auxiliary gears correspondingly. An end of the connecting part away from the positioning part is connected to the main gear to allow the main gear to contact with the auxiliary gears. The first teeth engage with the second teeth to make the first main body rotate relatively about the second main body.

Abstract: A keyboard includes a first keyboard section, a second keyboard section, and a connection structure. The connection structure includes a hook portion, a first operation member, a drive portion, and at least one latch portion. The hook portion, the first operation member, and the drive portion are defined at the first keyboard section, and the at least one latch portion is defined at the second keyboard section. The first operation member is detachably clasped with the hook portion. The drive portion drives the hook portion moving along a first direction to protrude out of the first keyboard section when the first operation member is operated to detach the hook portion. The at least one latch portion is configured for latching with the hook portion to detachably engage the first keyboard section with the second keyboard section.

Abstract: A liquid crystal display assembly includes a housing, a reinforcing frame, at least one magnetic member, and a display. The reinforcing frame is mounted on the housing. the reinforcing frame includes a latching hole and an elastic sheet adjacent to the latching hole. A magnet block is mounted on the elastic sheet. At least one magnetic member is positioned on the reinforcing frame. The display includes a magnetic attracting frame, and the magnetic attracting frame includes a latching post extending through the latching hole, and latched with the elastic sheet. The magnetic attracting frame is magnetically attracted with the at least one magnetic member for attaching the display on the reinforcing frame.

Abstract: An exemplary testing device includes a shell, a motor, a wheel rotating eccentrically, a testing plug, and a sliding assembly. The sliding assembly is configured to move back and forth along a first direction in a first accommodating space of the shell. A periphery of the wheel abuts against two opposite sides of the sliding assembly. An eccentricity e defined between a eccentric hole of the wheel and the center of the wheel causes the sliding assembly to move back and forth along the first direction when the wheel rotates eccentrically. The testing plug connects to the sliding assembly and moves back and forth in unison with the sliding assembly, such that the testing plug can be inserted into the interface of the electronic device more than once.

Abstract: A keyboard includes an upper frame, a main body, a lower frame, and an adjustment mechanism. The two frames cooperate with each other to sandwich the main body. The lower frame includes a bottom plate defining a though hole. The adjustment mechanism includes a first adjustment member, a second adjustment member, a supporting member, a driving member and a position stopper. The supporting member protrudes from the bottom plate via the through hole to support the keyboard. The first driving member drives the supporting member to protrude from the bottom plate via the through hole when the first adjustment member is operated. The second driving member drives the supporting member to retract into a receiving space defined by the two frames when the second adjustment member is operated. The position stopper secures the supporting member when the first and the second adjustment members are not operated.

Abstract: An enclosed polishing apparatus include a housing, a fixing seat, a guiding mechanism, and a chain-driven polishing mechanism. The housing includes a bottom housing and a top housing connected to the bottom housing. The fixing seat is securely placed in the bottom housing. The guiding mechanism is placed in the top housing above the fixing seat. The polishing mechanism is movably mounted on the guiding mechanism above the fixing seat. The polishing mechanism is driven and guided by the guiding mechanism to follow a desired polishing contour on a workpiece.

Abstract: A keyboard includes an upper frame, a main body, a lower frame, and an adjustment mechanism. The two frames cooperate with each other to sandwich the main body. The lower frame includes a bottom plate defining a though hole. The adjustment mechanism is configured to adjust an inclined angle of the keyboard, and includes an adjustment member, a supporting member, a driving member and a position stopper. The adjustment member is operated by a user. The supporting member protrudes from the bottom plate via the through hole to support the keyboard on a supporting surface. The driving member drives the supporting member to move along a central axis of the through hole to adjust a protruding distance of the supporting member when the adjustment member is operated. The position stopper resists the supporting member to secure the supporting member when the adjustment member is free.

Abstract: A keyboard includes a cover, a housing, and a main body. The main body is sandwiched between the cover and the housing. The keyboard further includes an adjustment mechanism for supporting the keyboard at an inclination. The adjustment mechanism includes an adjustment portion, a supporting portion corresponding to a first through hole defined in the housing, a driving portion configured to drive the supporting portion to move along a central axis of the first through hole, and a securing portion configured to control the supporting portion to stop moving. When the adjustment portion is operated, the driving portion drives the supporting portion to move along the central axis of the first through hole to support the keyboard at different inclinations. When the adjustment portion is free, the securing portion engages with the supporting portion, and the keyboard holds the selected inclination.

Abstract: A natural language analysis method for an electronic device is provided. The language analysis method includes the steps of: receiving user inputs and generating signals; converting signals into textual information; segmenting the textual information into a number of vocabulary segments, each vocabulary segment including a number of separated vocabularies; retrieving the use frequency of each of vocabulary, sorting the vocabulary segments, and obtaining a first sorting of the number of vocabulary segments into descending order; segmenting the textual information into a number of sentence segmentations; obtaining a second sorting of the vocabulary segmentations, according to the number of sentence segmentations and the number of vocabulary segment results; and determining a reply to the textual information, according to the topmost result after the second sorting. An electronic device using the language analysis method is also provided.

Abstract: A cylinder includes a cylinder body assembly, a piston assembly, and a cylinder rod. The cylinder body assembly includes a cylinder body with an inlet and an outlet. The piston assembly includes a piston that is capable of moving axially and a rotation pin. A helical rotation groove is defined in the cylinder rod. The piston is sleeved on the cylinder rod via the rotation pin. One end of the rotation pin is connected to the piston, and the other end of the rotation pin is located in the rotation groove, such that the cylinder rod is rotatable in the piston.

Abstract: A sucking device includes a fixing assembly and a sucking assembly. The sucking assembly includes a matching plate, a first annular sealing member, a second annular sealing member, a vacuum generator, and an air pipe. The matching plate is mounted on the fixing assembly, and includes a profile surface. The profile surface defines at least one air hole. The first annular sealing member is mounted on the profile surface of the matching plate, and surrounds the air hole. The second annular sealing member is mounted on the profile surface of the matching plate, and surrounded by the first annular sealing member. The at least one air hole is located between the first annular sealing member and the second annular sealing member. The vacuum generator is mounted on the fixing assembly. The air pipe communicates the at least one air hole with the vacuum generator.

Abstract: An ejection mechanism includes a top cover, a bottom cover having a first sidewall and a second sidewall, and a sliding assembly. The sliding assembly includes a sliding block and an elastic rod. The sliding block defines a containing groove which is divided into an insertion rail and an ejection rail. The sliding block is configured to move back and force between the first and second sidewalls. A first distal end of the elastic rod is fixed in a fixing hole of the first sidewall. When the card is inserted into the ejection mechanism, the second distal end slides along the insertion rail until the second distal end is locked in a joint of the insertion and ejection rails. When the second distal end of the elastic rod disengages from the locked position by an external force, the second distal end slides in the ejection rail.

Abstract: A file receiving and sending method, comprising steps of: reading an object file to be sent; cutting the object file into a number of sub-files and sequencing the sub-files with a given order; sending the sequenced sub-files in order via a network; receiving the sequenced sub-files via the network; combining the received sub-files one by one according to their given order; displaying the combined file as the first, and as each further sub-file, is received; determining whether to continue receiving remaining sub-files according to user's input. Users are able to preview part content of the object file and determine whether to continue or to stop receiving the whole file as they like.

Abstract: A language analysis method for an electronic device storing a basic corpus and a temporary corpus is provided. The language analysis method includes steps of receiving user inputs and generating signals; converting signals into textualized information; analyzing the textualized information; obtaining a first understanding result according to the basic corpus, the vocabulary segmentation results, and the sentence segmentation results; determining whether the first understanding result is an appropriate understanding according to the context; determining one or more anaphoric vocabularies when the first understanding result is an inappropriate understanding; determining a temporary understanding result of the one or more anaphoric vocabularies and a second understanding result of the textualized information according to the context; and determining a reply for the textualized information, according to the second understanding result, the basic corpus, and the temporary corpus.