Abstract: An electronic device and a slide switch are disclosed. The slide switch includes a main body, a slider, a rotary plate rotatably connected to the main body, and a rotary arm. The main body includes a fixing space, a channel, and a first contact member protruding from a bottom of the fixing space. The slider is movable between a first position and a second position within the channel. The rotary plate includes a lateral surface and a second contact member protruding from the lateral surface. Two ends of the rotary arm are respectively connected to the slider and the lateral surface. When the slider is located in the first position, the first contact member spaces from the second contact member; when the slider is moved to the second position, the rotary arm rotates the rotary plate causing the first contact member to contact the second contact member.

Abstract: An ion sensing circuit includes an ion sensing element configured for exposure to an electrolytic solution and control of a sensing current through the ion sensing element according to an ion concentration of the electrolytic solution. The ion sensing circuit further includes a current-to-voltage converter coupled electrically to the ion sensing element for generating a converted voltage from the sensing current. The ion sensing circuit also includes a comparator coupled electrically to the current-to-voltage converter for comparing the converted voltage and a threshold voltage to form a comparison result. In addition, the ion sensing circuit includes a latch coupled electrically to the comparator and the current-to-voltage converter. The latch is configured for sampling the output of the comparator according to a clock signal to generate a digital signal used by the current-to-voltage converter for converting the sensing current to the converted voltage.

Abstract: An electronic device with latching mechanism comprises a cover, a base, and a middle case located between the cover and the base. The cover on edges defines a plurality of protruding tabs each with a through hole. The base defines a plurality of hooks. The middle case on the inner surface defines a plurality of protruding portions corresponding to the protruding tabs of the cover in number and arrangement, and a plurality of limiting portions corresponding to the hooks of the base in number and arrangement. The protruding portions each with an angled surface angling toward the cover are received in the through holes of the cover. The limiting portions engage the hooks of the base.

Abstract: An electrochemical sensor for detecting the concentration of ions in a solution includes a substrate, a sensor unit, and a reference electrode. The sensor unit includes at least one working electrode. The working electrode has a conductive layered structure formed on the substrate, and a sensor element of a metal oxide film formed on the conductive layered structure and capable of reacting with the ions in the solution to generate a potential. The reference electrode is spaced apart from the working electrode, and includes a conductive film printed on the substrate for establishing a potential difference between the working electrode and the reference electrode when the electrochemical sensor is brought into contact with the solution.

Abstract: A card assembly is used for enabling a first electronic device to be compatible with a card used in a second electronic device. The card assembly defines a first group of specification parameters of the first electronic device to be detachable received in the first electronic device, and further defines a second group of specification parameters of the card. The second group of specification parameters allows the card to be detachable received in the card assembly. When the card assembly, with the card, is received in the first electronic device, the card is directly and electrically connected to the first electronic device.

Abstract: An expandable screen is for displaying display information according to a display mode command. The expandable screen includes a main screen, an extension screen, and a display controller. The extension screen pivotally connected to the main screen via a hinge. The display controller is for receiving the displaying information and the display mode command, and for controlling the main screen and the extension screen according to the display mode command. A mobile phone using the expandable screen, and a display controlling method are also disclosed.

Abstract: The present invention relates to a musical pillow. The music pillow includes a body, a pillow core defining a first receiving cavity corresponding to a users' head, and a music player device. The body includes a first base, and two sidewalls extending from two opposite sides of the first base. Two free ends of the two sidewalls face each other to define a body opening therebetween. The first base and the two sidewalls cooperatively define a receiving space. The pillow core is received in the receiving space, while the first receiving cavity is communicated with the body opening. The music player device includes two speakers positioned on the sidewalls respectively and a playing unit positioned in the first base. The speakers are electrically connected to the playing unit.

Abstract: The present invention relates to a capacitance sensing circuit with anti-EMI capability. A filter is coupled to a capacitor under test; receives a plurality of reference signals; and produces a first filter signal and a second filter signal. A difference circuit receives the first and second filter signals; eliminates the common-mode noise in the first and second filter signals; and produces a difference signal. The amplitude of the difference signal is related to the capacitance value of the capacitor under test. Thereby, the purpose of sensing capacitance can be achieved. In addition, by eliminating common-mode noise using the difference circuit, the anti-EMI capability can be achieved. Because the difference circuit can adjust the dynamic range of the output of the filter, the capacitance sensing circuit with anti-EMI capability can achieve capacitance sensing in few clock cycles.

Abstract: An electronic device, comprising: a back cover, a first support, and a second support; wherein, the back cover forms a receiving groove; the first support comprises a support portion and a connection portion rotationally connected to the back cover; the second support comprises a support portion, at least one hook portion, and a connection portion rotationally connected to the back cover; when in a folded position, the first support and the second support are received in the receiving groove of the back cover; and when in an unfolded position, the support portion of the first support is engaged with the at least one hook portion of the second support; the second support cooperates with an edge of the electronic device to form a stable structure to support the electronic device.

Abstract: A measurement apparatus for measuring a distance between a base surface and an upper surface of a stepped structure of a workpiece. The measurement apparatus includes a supporting member having an upper surface for supporting the workpiece, a holding member fixed on the top surface, and a micrometer. The holding member includes a reference platform and a depression formed on the reference platform and facing the upper surface. The micrometer is fixed to the holding member and includes an extendable measuring shaft with a contacting portion extending out of the reference platform. The distance is measured by pushing the workpiece into the depression until the base surface make contact with the reference platform.

Abstract: The present invention relates to a musical pillow. The music pillow includes a body, a pillow core defining a first receiving cavity corresponding to a users' head, and a music player device. The body includes a first base, and two sidewalls extending from two opposite sides of the first base. Two free ends of the two sidewalls face each other to define a body opening therebetween. The first base and the two sidewalls cooperatively define a receiving space. The pillow core is received in the receiving space, while the first receiving cavity is communicated with the body opening. The music player device includes two speakers positioned on the sidewalls respectively and a playing unit positioned in the first base. The speakers are electrically connected to the playing unit.

Abstract: A rapid heating, highly efficient and reliable hot water drinking apparatus comprises: a water machine (1); a tank (2); a water boiler (3); a funnel (4); a liquid level switch (8); a salver (9); and a weight sensor mechanism (91). Said potable water heating device is characterized in that: three heating devices (31) are disposed inside said water boiler (3), said heating device (31) consists essentially of a hot-resistant chamber (32), whose one opening is connecting to the tank (2) and the other opening is connecting to the funnel (4); a cap (33) covering one opening of said chamber (32); a hyperthermal electric heating tube (34), disposed axially inside said chamber (32), whose one end is protruded through said cap (33); and a baffle (35), disposed helicoidally on the exterior of said heating tube (34).

Abstract: A depth checking device includes a body member, a pressing member, a checking member and an adjustment nut. The body member defines a stepped through hole forming a stopping surface inside. The pressing member includes a first end and an opposite second end. The first end includes a first end surface defining a first opening. The second end defines a second opening. The checking member is mounted in the stepped through hole and includes an indication end adjacent to the first end and a probe end. The indication end includes a second end surface. The adjustment nut is screwed on the checking member and supported by the stopping surface in a position where the first end surface is coplanar with the second end surface and the probe end protrudes from the body member with a protruding length of the probe end same as a designed depth of a fixing hole.

Abstract: An overlay film for covering a touch screen of an electronic device is disclosed. The touch screen is configured for showing a number of icons thereon for receiving user inputs. The overlay film is a thin, transparent layer. The overlay film defines a plurality of through holes corresponding to the shapes and positions of the icons on the touch screen.

Abstract: A depth checking device includes a body member, a pressing member, a checking member and an adjustment nut. The body member defines a stepped through hole forming a stopping surface inside. The pressing member includes a first end and an opposite second end. The first end includes a first end surface defining a first opening. The second end defines a second opening. The checking member is mounted in the stepped through hole and includes an indication end adjacent to the first end and a probe end. The indication end includes a second end surface. The adjustment nut is screwed on the checking member and supported by the stopping surface in a position where the first end surface is coplanar with the second end surface and the probe end protrudes from the body member with a protruding length of the probe end same as a designed depth of a fixing hole.

Abstract: A measurement apparatus for measuring a distance between a base surface and an upper surface of a stepped structure of a workpiece. The measurement apparatus includes a supporting member having an upper surface for supporting the workpiece, a holding member fixed on the top surface, and a micrometer. The holding member includes a reference platform and a depression formed on the reference platform and facing the upper surface. The micrometer is fixed to the holding member and includes an extendable measuring shaft with a contacting portion extending out of the reference platform. The distance is measured by pushing the workpiece into the depression until the base surface make contact with the reference platform.

Abstract: An electromagnetic shield includes a conductive foam, a plurality of adhesive tapes attached to a side of the conductive foam. The adhesive tapes are separated from each other. An electronic device using the electromagnetic shield to block electromagnetic energy from inner component or outer component is also provided.

Abstract: An expandable screen is for displaying display information according to a display mode command. The expandable screen includes a main screen, an extension screen, and a display controller. The extension screen pivotally connected to the main screen via a hinge. The display controller is for receiving the displaying information and the display mode command, and for controlling the main screen and the extension screen according to the display mode command. A mobile phone using the expandable screen, and a display controlling method are also disclosed.