Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7969271 | Current transformer A current transformer includes a bobbin, a primary winding coil, a conductive pillar, a magnetic core assembly, and a covering member. The bobbin includes a bobbin body and a concave structure. The primary winding coil is wound around the bobbin body. The conductive... | 06/28/2011 |
| 7967577 | Fan assembly and fastening structure thereof A fastening structure for a fan has a frame which includes a fastening member having a vertical portion fixed to the frame, and an extending portion extending towards the interior of the frame and having a protrusion, where when the fan is assembled with the fasteni... | 06/28/2011 |
| 7967447 | Overheat prevention device An overheat prevention device comprises an inclination angle detector, a cooling module, and a control circuitry. The inclination detector is adapted to detect a first inclination angle and a second inclination angle, which an light source module is subject to relat... | 06/28/2011 |
| 7966964 | Tamper-evident mechanism A tamper-evident mechanism for use with an electronic appliance includes a first housing, a second housing, a fastening device and a shielding element. The first housing includes a perforation, which is surrounded by a ring-shape member. The second housing includes ... | 06/28/2011 |
| 7959413 | Fan and impeller thereof A fan includes an impeller and a motor. The impeller includes a hub and a plurality of blades. The hub has a top portion, a connection portion, and at least one airflow-guiding portion. The top portion is connected to the connection portion. The blades are disposed ... | 06/14/2011 |
| 7944162 | Motor control device A motor control device includes a sensing circuit, a phase-shifting circuit, a comparing circuit and a control circuit. The sensing circuit senses the motor to generate a sensing signal. The phase-shifting circuit is electrically connected to the sensing circuit and... | 05/17/2011 |
| 7550937 | Method for detecting initial magnetic pole position in permanent-magnet motor A method for detecting initial magnetic pole position in permanent-magnet motor first determines a PWM pulse width Dt applied to stator, where the PWM pulse width Dt depends on motor parameters. Six voltage vectors are then successively applied to the stators and th... | 06/23/2009 |
| 7532493 | Power supply with low standby loss The present invention discloses a power supply device with low standby loss. The power supply device comprises a main power converter and an auxiliary power converter. The main power converter comprises a bulk capacitor. The main power converter connects parallelly ... | 05/12/2009 |
| 7529088 | Heat dissipation module and flow direction controlling structure thereof A heat dissipation module includes a first heat dissipation apparatus, a second heat dissipation apparatus, and a flow direction controlling structure. The first heat dissipation apparatus and the second heat dissipation apparatus are symmetrically disposed. The flo... | 05/05/2009 |
| 7528694 | Transformer and core set thereof A transformer. The transformer comprises a bobbin, a first core and a second core. The bobbin comprises a primary winding area and a secondary winding area. The first core is disposed in the bobbin. The second core is mounted on the bobbin. The second core comprises... | 05/05/2009 |
| 7528472 | Chip package mechanism A chip package mechanism. A substrate is disposed in a receiving chamber of a base. A chip is disposed on a target surface of the substrate. A plurality of supporting elements is disposed on the target surface and surrounds the chip. A gap for receiving the chip is ... | 05/05/2009 |
| 7525228 | Three-phase opposite rotating motor and fan A three-phase opposite rotating motor of a fan comprises a stator having a three-phase coil set without a core, a first rotor and a second rotor. The number of the poles of the first rotor is unequal to the number of the poles of the second rotor. The ratio of the n... | 04/28/2009 |
| 7521882 | Control device and method of motor A control device for controlling a motor includes a sensing module, a modifying module and a driving module. The sensing module senses the motor to generate a sensing signal. The modifying module receives the sensing signal and generates a phase modifying signal acc... | 04/21/2009 |
| 7521830 | Fan motor and oil-leak proof bearing system thereof The invention relates to an oil-leak proof bearing system, and the system includes a bearing, an oil-leak proof cover and a rotor shaft. The center portion of the oil-leak proof cover defines a through hole, and the inner wall defining the through hole is provided w... | 04/21/2009 |
| 7520777 | Movable terminal connecting mechanism A movable terminal connecting mechanism of an electrical appliance includes a support part, a carrier part and a first terminal block. The support part is fixed within a frame body of the electrical appliance and includes at least one first retaining structure. The ... | 04/21/2009 |
| 7518263 | Time delay control scheme for a power supply with multiple outputs A time delay synchronous control scheme for a power supply, which has multiple outputs and tight output regulations, is provided. The switching mode power supply includes (1) a front-end DC/DC converter with current mode output, which can be a LLC Series Resonant co... | 04/14/2009 |
| 7515026 | Structure of transformer A transformer includes a first bobbin piece, a second bobbin piece, a first pin, a second pin and a magnetic core assembly. A primary winding coil is wound on the first bobbin piece. The second bobbin piece includes a first secondary side plate, a second secondary s... | 04/07/2009 |
| 7514817 | Converting device with power factor correcting and dc/dc converting functions A converting device with PFC and dc/dc converting functions is provided. The converting device includes a power source providing a dc voltage, an inverter having an input terminal electrically connected to the power source and an output terminal, a transformer havin... | 04/07/2009 |
| 7511599 | Coil structure for high frequency transformer The present invention provides a continuous conductive planar coil structure. The continuous conductive planar coil structure includes a first output terminal, a second output terminal, a coil body and a projection plane parallel to the coil body, wherein a first pr... | 03/31/2009 |
| 7510409 | Electronic device having foldable plug An electronic device includes a casing, a plug, a fixing plate, a circuit board and a first retaining part. The casing has a support member and multiple perforations. The plug has a rotating shaft and multiple pins. The pins are mounted on the rotating shaft. The ro... | 03/31/2009 |
| 7507068 | Heat-dissipating mechanism for a motor A heat-dissipating mechanism for a motor includes a rotor and a stator base. The rotor rotates with respect to the stator base and includes a casing and a hub. The casing has a side portion and a bottom portion, and at least one opening is disposed at the bottom por... | 03/24/2009 |
| 7505274 | Heat sink fastening device and assembling process thereof A heat sink fastening device is used for facilitating fixing a heat sink on a circuit board. The heat sink fastening device includes a first connecting portion, a second connecting portion and at least a connecting member. The first connecting portion is included in... | 03/17/2009 |
| 7503809 | Power adapter having detachable power cable coupler head A power adapter includes a main body, a locking member and a power cable coupler head. The main body includes an opening. The locking member is arranged on the main body and includes a perforation, which is communicated with the opening. The power cable coupler head... | 03/17/2009 |
| 7503779 | Electronic device having foldable plug An electronic device includes a casing, a plug, a retaining element and a resilient element. The casing has multiple support members and multiple receiving parts. The plug has a rotating shaft and multiple pins. The rotating shaft includes a ratchet tenon and is piv... | 03/17/2009 |
| 7501715 | Multi-output DC-DC converter A multi-output DC-DC converter is advantageous over the conventional multi-output DC-DC converter in terms of increased power efficiency and power density. The inventive multi-output DC-DC converter is characterized by that the rectifying circuit located at the outp... | 03/10/2009 |
| 7499859 | Video device with voice-assisted system A video device with a voice-assisted system is provided by using a voice command to adjust the images. The voice-assisted system includes a voice recognition engine and a control unit. The voice recognition engine receives a voice command and outputting a voice sign... | 03/03/2009 |
| 7498705 | Rotor A rotor. The rotor includes a case, a reinforcing part, a shaft and a connecting element. The reinforcing part is formed with the case and defines an opening. The shaft extends into the opening. The connecting element connects the case and the shaft, with the reinfo... | 03/03/2009 |
| 7497707 | Foldable electrical connector and power supply apparatus having same A power supply apparatus includes a main body, a first power connecting part and a foldable electrical connector. The main body includes a power converting circuit therein and has a first socket at a first side thereof. The first power connecting part has an end con... | 03/03/2009 |
| 7495935 | DC/AC power converter and controlling method thereof The proposed DC/AC power converter for transforming a DC input source to an AC output source includes a transformer having a primary and a secondary windings, a switch network having a first switch electrically connected between the DC input source and the primary w... | 02/24/2009 |
| 7495934 | Adaptive synchronous rectification control circuit and method thereof The adaptive synchronous rectification control circuit and its controlling method for a power converter are provided. The proposed control circuit having a transformer with a primary and a secondary sides, a switch coupled to the primary side and a synchronous recti... | 02/24/2009 |
| 7495911 | Active heat-dissipating type of power supply apparatus having heat-dissipating mechanism for power input device An active heat-dissipating type of power supply apparatus includes a casing, a first airflow channel, a second airflow channel, plural electronic components, an airflow driving device and a power input device. The casing includes at least one first airflow opening. ... | 02/24/2009 |
| 7492612 | High-voltage generator A high-voltage generator includes a high-voltage transformer having a primary coil, a secondary coil, and an auxiliary coil, and a PNP bipolar junction transistor. Based on the self-oscillation theory of a LC oscillator, an oscillating voltage is generated across th... | 02/17/2009 |
| 7491583 | Power module fabrication method and structure thereof A power module fabrication method and structure thereof is disclosed. The method includes steps of: providing a metal plate and defining a pattern on the metal plate; cutting the metal plate according to the pattern to form a plurality of pins and the heat-conductin... | 02/17/2009 |
| 7485988 | Uninterruptible power supply Disclosed is an uninterruptible power supply including a switch connected between an external power source and a load, a power supply module connected to the external power source and the switch for receiving and converting an input power and supplying converted pow... | 02/03/2009 |
| 7481617 | Heat-dissipating device A heat-dissipating device includes a housing having at least one air inlet and at least one air outlet, and a rotor disposed in the housing, wherein the housing has a first extending part extending along an axial direction of the heat-dissipating device to form an a... | 01/27/2009 |
| 7479724 | Stator structure A stator structure includes at least one stator part having a single rolled steel sheet to serve as a waist post with a gap. A first stator part includes a first engaging portion. A second stator part includes a second engaging portion corresponding to the first eng... | 01/20/2009 |
| 7478992 | Heat-dissipating device A heat-dissipating device includes a housing having a first frame and a second frame, and a rotor disposed in the housing, wherein the first frame includes a bearing tube for accommodating a first bearing therein and the second frame includes a support for accommoda... | 01/20/2009 |
| 7477020 | Electronic ballast having a reduced reverse voltage at the start An electronic ballast includes an inductor, an output transformer, at least two switching elements, a control circuit, a clamping circuit, and at least two return circuits. The inductor is electrically coupled to a DC power supply. The control circuit is electricall... | 01/13/2009 |
| 7474187 | Base of an inductor A base of an inductor is provided. The inductor comprises an annular body, which has a hollow shaft portion and a surrounding sensing portion. The base comprises a bottom portion, a recess, and a hanging shelf. The recess is formed on the bottom portion. The hanger ... | 01/06/2009 |
| 7460974 | Multiple-point smoothing method for motor-speed estimation A multiple-point smoothing method for motor-speed estimation. The output of an encoder is over-sampled to obtain over-sampled position differences according to an over-sampling factor M. The over-sampled position differences are averaged to obtain an initial speed e... | 12/02/2008 |
