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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 8184779 | Outbound dialogue system and dialogue operation method A dialogue system and a speech dialogue operation method are provided. In the system, an inquiry speech signal is generated according to data for specific person and is transferred to a receiver. In response to the inquiry speech signal, a reply speech signal is gen... | 05/22/2012 |
| 8183968 | Bobbin of transformer A bobbin of a transformer includes a main body and plural connecting bases. The main body has two side plates. The two side plates are respectively disposed on two opposite sides of the main body. A winding section is defined within the two side plates for winding a... | 05/22/2012 |
| 8183795 | LED current-supplying circuit and LED current-controlling circuit A LED current-controlling circuit includes a first magnetic amplifier, a first current detecting circuit, a first magnetic amplifier controller and a first diode. The first magnetic amplifier is connected to an input terminal of the LED current-controlling circuit a... | 05/22/2012 |
| 8182220 | Kinetically modulated fan structure A kinetically modulated fan structure is provided. The fan structure comprises a housing, a plurality of blades and an equilibrating structure, wherein the equilibrating structure is disposed on the inner side of the housing, and formed integrally with the housing a... | 05/22/2012 |
| 8182219 | Fan and bearing structure The present invention provides a fan including a stator and a rotor coupled to the stator. The stator has a base and a bearing disposed inside the base. The rotor has a shaft supported by the bearing. Furthermore, the shaft has a concave structure formed on a surfac... | 05/22/2012 |
| 8174217 | Sensorless control apparatus and method for induction motor A control apparatus for an induction motor is provided and includes a rotating-speed locked loop and a feed-forward magnetizing-axis angular position emulator. The rotating-speed locked loop emulates a speed control loop of the induction motor for producing an emula... | 05/08/2012 |
| 8170865 | Speech recognition device and method thereof A speech recognition device and a method thereof are adapted to recognize a Chinese word. The speech recognition device includes a lexicon model, a language model, a speech recognition module, and a parsing module. The lexicon model keeps a plurality of words. The s... | 05/01/2012 |
| 8169804 | Three-phase buck-boost power factor correction circuit and controlling method thereof The configurations of a three-phase buck-boost power factor correction (PFC) circuit are provided. The circuit includes a first single-phase buck-boost PFC circuit receiving a first phase voltage and having a first and a second output terminals and a neutral-point f... | 05/01/2012 |
| 8167532 | Cowling A cowling of the invention includes a cover body and an empennage connected with the cover body. The cover body includes an accommodating space for receiving an impeller, and a first opening serving as an air inlet for the impeller. According to the wind direction, ... | 05/01/2012 |
| 8164406 | Transformer A transformer is provided. The transformer includes a first electrical conductor, a second electrical conductor, a circuit board and a core set. The first electrical conductor has a through hole and the second electrical conductor is electromagnetically coupled with... | 04/24/2012 |
| 8164290 | Fan and motor control device A fan includes a motor control device which is electrically connected with a motor and an alternating current power source. The motor control device includes a converting circuit, a power factor correction circuit and a motor controlling circuit. The voltage of the ... | 04/24/2012 |
| 8162701 | Socket structure and electronic device having the same A socket structure, which can be applied to an electronic device, is disclosed. The socket structure comprises a socket body and a holder unit. The socket body further comprises two opposite ends to transport power, a first connecting device and a second connecting ... | 04/24/2012 |
| 8162677 | Junction box and conductor strip connection device thereof A conductor strip connection device for a junction box of a solar module is disclosed and comprises a contact member having a contact segment for connecting to a conductor strip, a suppressing member having a suppressing part configured to cooperate with the contact... | 04/24/2012 |
| 8159142 | Ballast being capable of saving the use of internal connection terminals A ballast comprising a first input terminal, a second input terminal, a switch circuit, and a plurality of lamp sets is provided. The switch circuit comprises a first switch and a second switch connected with the first one. The switches are connected with the first ... | 04/17/2012 |
| 8147199 | Pump and balancing cover thereof A balancing cover connected with a rotor structure includes a plate, a plurality of blades and at least one balancing element. A central portion of the plate has an opening. Each blade has one end connected with the plate and mounted on a circumference of the openin... | 04/03/2012 |
| 8144262 | Projection apparatus and system A projection apparatus comprises a receiver, a processor, and a frame projector. A sensor detects a horizontal position of a user in front of a screen and transmits a horizontal position signal. The receiver receives the horizontal position signal. The processor gen... | 03/27/2012 |
| 8143743 | Uninterruptible power supply apparatus A method of controlling an uninterruptible power supply apparatus (UPS) is provided. The UPS apparatus includes at least an AC input voltage, a DC input voltage and a single-phase AC/AC converter. The single-phase AC/AC converter includes an AC inductor, a bus capac... | 03/27/2012 |
| 8137115 | Junction box and conductor strip connection device thereof A conductor strip connection device for a junction box of a solar module is disclosed and comprises a contact member and a press-fitting member. The contact member has a contact segment for connecting to a conductor strip and having at least one first engaging eleme... | 03/20/2012 |
| 8133005 | Blower A blower includes a housing and a plurality of impellers. The impellers are disposed in the housing, and a mutual air-gathering passage is formed between the impellers and the housing. Compared to the prior art, the mutual air-gathering passage of the blower of the ... | 03/13/2012 |
| 8125795 | Circuit module and circuit board assembly having surface-mount connector The present invention relates to a surface-mount connector for electrically interconnecting a first circuit board and a second circuit board. The surface-mount connector includes a first end part and a second end part. The first end part is bonded onto the first cir... | 02/28/2012 |
| 8125306 | Transformer set A transformer set includes a first bobbin piece, a second bobbin piece, a third bobbin piece, a fourth bobbin piece and a magnetic core assembly. The second bobbin piece has a first pin and a second pin. A first terminal of a first secondary winding coil is fixed on... | 02/28/2012 |
| 8120455 | Transformer structure A transformer includes a case, a magnetic device and a thermally conductive layer. The case has a receptacle. The magnetic device is disposed within the receptacle, and includes a winding member and a magnetic core assembly. The thermally conductive layer is arrange... | 02/21/2012 |
| 8120323 | High efficiency charging circuit and power supply system having such high efficiency charging circuit A charging circuit includes a main power circuit, a DC-to-DC converting circuit, a detection circuit and a controller. The main power circuit is electrically connected to a power source for converting an input voltage from the power source into a first voltage. The ... | 02/21/2012 |
| D654433 | Wind power generator | 02/21/2012 |
| 8113781 | Fan, motor and bushing thereof A fan includes an impeller and a motor for driving the impeller to rotate. The motor includes a bushing and a rotating shaft penetrating through the bushing. The bushing includes a tube and at least one base connected with one end of the tube. An inner diameter of t... | 02/14/2012 |
| 8113766 | Fan and fan frame thereof A fan includes an impeller and a fan frame. The fan frame has a main body and at least one sound absorber, wherein the main body has a passage for receiving the impeller, a plurality of flanges are disposed on a periphery of the main body, a recess is defined betwee... | 02/14/2012 |
| 8111030 | Motor control apparatus and motor control method A motor control apparatus and a motor control method determine whether the motor is in a back-pressure area so as to provide different rotation-speed control signals. When the fan is in the low duty cycle, a first circuit loop is switched on, so that the fan has mor... | 02/07/2012 |
| 8111015 | Brightness-adjustable illumination driving system An illumination driving system includes a control unit and at least one base. The control unit includes a first converter and a brightness-adjustable circuit. An input AC voltage is converted into a regulated DC voltage by the first converter. The brightness-adjusta... | 02/07/2012 |
| 8109640 | Optical engine comprising a chassis with a color wheel module electrically connected to the chassis A color wheel module for use in a projection apparatus is disclosed. The projection apparatus comprises an optical engine, which comprises a chassis and an electrical socket. The electrical socket is disposed on the chassis. The color wheel module comprises a color ... | 02/07/2012 |
| 8107210 | Magnetic actuator system and control method thereof A control method of the magnetic actuator system includes the following steps. A first initial orientation step is to move a magnetic actuator to a first position in accordance with a first position signal, and generate a first position sense signal by a position se... | 01/31/2012 |
| 8106596 | Light source driving circuit A light source driving circuit includes a transformer, a switching circuit, a control circuit, a brightness adjusting circuit and an isolator circuit. The brightness adjusting circuit is connected to a secondary winding assembly of the transformer and the light-emit... | 01/31/2012 |
| 8100674 | Fan and frame thereof A fan has a fan frame for accommodating a first circuit board and a second circuit board. A fan frame includes a housing, a base, and at least one supporting element. The base is disposed in the housing, and the base includes a bottom portion and a tube portion, whi... | 01/24/2012 |
| 8093542 | Imaging module for a projection system having an extended lens device rotatable from a first direction to one of a second and a third direction for selectively projecting image onto a screen The invention provides an imaging module disposed on a projection system. The imaging module comprises an extended lens device, which connects to the image outlet of the body of the projection system by a rotation mechanism. By rotating the rotation mechanism, the p... | 01/10/2012 |
| 8087887 | Fan and fan frame thereof A fan includes an impeller, a motor and a fan frame. The motor is coupled to the impeller and drives the impeller to rotate. The impeller and the motor are accommodated in the fan frame. The fan frame has a main body, an inner circular portion formed with a passage,... | 01/03/2012 |
| 8083470 | Fan and impeller thereof A fan includes a frame, a motor and an impeller. The motor is disposed on the frame and coupled to the impeller to drive the impeller to rotate. The impeller includes a hub, a plurality of blades and an air exhausting structure. The hub has an opening formed on a to... | 12/27/2011 |
| 8080963 | Motor driving circuit and motor driving method A motor driving circuit includes a detecting unit, a signal control unit, a comparing unit and a driving unit. The detecting unit detects a rotation speed of a motor and thus outputs a detecting signal. The signal control unit generates a reference signal. The compa... | 12/20/2011 |
| 8080947 | Current-sharing transformer and power supply circuit having such current-sharing transformer A current-sharing transformer includes a magnetic core assembly, a primary winding coil and multiple secondary winding coils. The magnetic core assembly includes a main magnetic post and multiple minor magnetic posts. The primary winding coil is wound around the mai... | 12/20/2011 |
| 8079816 | Fan and impeller thereof A fan includes an impeller and a fan frame. The impeller is accommodated within the fan frame. The impeller has a hub and a plurality of blades disposed around the hub. The hub has a top portion and a side wall connected with the top portion. The hub further has a p... | 12/20/2011 |
| 8072755 | Airflow-adjustable active heat-dissipating mechanism and electronic device having same An active heat-dissipating mechanism includes a fan module, an airflow-guiding part and an airflow shunt part. The fan module includes an airflow inlet and an airflow outlet. The airflow-guiding part is disposed at the same side of the airflow outlet of the fan modu... | 12/06/2011 |
| 8068324 | Circuit and method for protecting energy-storage device A protection circuit including an energy-storage device, a fusible element, and an overvoltage modulation unit is provided. The energy-storage device stores a first energy and supplies the first energy. The fusible element connected in series with the energy-storage... | 11/29/2011 |
