Patent application number | Description | Published |
20120044654 | FIXING MECHANISM FOR FIXING A REMOVABLE MODULE AND RELATED ELECTRONIC DEVICE - A fixing mechanism includes a housing whereon an accommodating space and a fastening slot are formed. The accommodating space is for accommodating a removable module. The fixing mechanism further includes a casing for covering the removable module. The fixing mechanism further includes a latch component installed on the casing in a slidable manner, and a handle connected to the casing in a rotatable manner. An end of the handle pushes the latch component to engage inside the fastening slot for fixing the removable module inside the accommodating space when the handle rotates to a fixing position. The fixing mechanism further includes a resilient component connected to the latch component for driving the latch component to separate from the fastening slot when the handle rotates to a releasing position and the end of the handle separates from the latch component. | 02-23-2012 |
20130229753 | PORTABLE ELECTRONIC DEVICE - A portable electronic device includes a housing body having a bottom wall and a pair of grooves formed in the bottom wall, a cover body, a pair of hinges interconnecting the housing and cover bodies, a pair of foot modules respectively corresponding to positions of the grooves, and a pair of cam mechanisms each connected to one hinge and an adjacent foot module. Each foot module includes a foot pad movable between retracted and protruding position. When the cover body is pivoted from a closed position to an open position, each hinge actuates a respective cam mechanism which in turn actuates the foot pad to move the latter from the retracted to the protruding position. | 09-05-2013 |
20130335894 | SUPPORTING MECHANISM FOR A PORTABLE ELECTRONIC DEVICE AND RELATED ROTARY ELECTRONIC SYSTEM - A supporting mechanism is disclosed in the present invention. The supporting mechanism includes a base, a supporter, a latch and an actuating component. A hole and an accommodating structure are formed on a bottom of the base, and an opening of the accommodating structure faces outward of the base. The supporter is movably disposed inside the accommodating structure. The supporter includes a contacting pillar, which pierces through the hole and stretches into the base. The latch is slidably disposed inside the base. The latch includes a pushing portion for pressing the contacting pillar, so as to move the supporter out of the accommodating structure. The actuating component is pivotably disposed by a side of the base. The actuating component includes a handle and an actuating portion. The actuating portion can rotate toward an inner of the base for pushing the latch when the handle rotates outwardly. | 12-19-2013 |
Patent application number | Description | Published |
20100301761 | Tail-less LED Control Circuit - The present invention discloses a tail-less LED control circuit, which includes: a power supply stage having an output terminal which provides electrical power to an LED circuit; an output capacitor coupled to the output terminal; an LED driver circuit coupled to the power supply stage for controlling the power supply stage to provide the electrical power to the LED circuit, the LED driver circuit receiving a PWM dimming signal for adjusting brightness of the LED circuit; and a MOSFET switch coupled to the output capacitor in series, the MOSFET switch switching synchronously with the PWM dimming signal to alleviate LED afterglow, wherein the MOSFET switch includes a body diode having an anode-cathode direction against the discharge direction of the output capacitor. | 12-02-2010 |
20120187997 | CIRCUIT AND METHOD FOR PROVIDING ABSOLUTE INFORMATION FOR FLOATING GROUNDED INTEGRATED CIRCUIT - The present invention discloses a circuit and a method for providing absolute information for floating grounded integrated circuit. The method includes: receiving an absolute information sense signal carrying absolute information; converting the absolute information sense signal to a current signal; and generating an internal reference signal according to the current signal, wherein the internal reference signal or a relationship between the internal reference signal and a floating ground level is related to the absolute information. | 07-26-2012 |
20120242238 | Light Emitting Device Power Supply Circuit, and Light Emitting Device Driver Circuit and Control Method Thereof - The present invention discloses a light emitting device power supply circuit, a light emitting device driver circuit and a control method thereof. The light emitting device driver circuit is coupled to a tri-electrode AC switch (TRIAC) dimmer circuit, and it controls the brightness of a light emitting device circuit according a rectified dimming signal. The light emitting device driver circuit includes a power stage circuit and a light emitting device control circuit. The light emitting device control circuit generates a switch control signal. The power stage circuit operates at least one power switch thereof according to the switch control signal to generate a latching current for firing the TRIAC dimmer circuit, and the latching current is inputted to the light emitting device circuit. | 09-27-2012 |
20130107591 | POWER-FACTOR-IMPROVING CIRCUIT AND METHOD FOR AN OFFLINE CONVERTER | 05-02-2013 |
20130114308 | Switching Regulator and Control Circuit and Control Method Thereof - The present invention discloses a switching regulator and a control circuit and a control method thereof. The control circuit of the switching regulator, which controls rectified power within a predetermined range, detects an input voltage and an input current to generate a voltage detection signal and a current detection signal respectively, and the voltage detection signal and the current detection signal are multiplied by one the other to generate a power index. The control circuit generates an error signal according to the power index and a reference signal. A low-pass-filter filters a high frequency band in the process. A control signal generation circuit of the control circuit generates a control signal according to the error signal. And a driver circuit of the control circuit generates an operation signal according to the control signal, for switching a power switch to convert the rectified power to an output voltage. | 05-09-2013 |
20130169252 | Switching Regulator and Control Circuit and Control Method Thereof - The present invention discloses a switching regulator and a control circuit and a control method thereof. The switching regulator generates a compensation signal according to a feedback signal, and generates a driving signal according to the compensation signal, to control a power stage for converting an input voltage to an output voltage. The compensation signal is adjusted according to the input voltage, such that when the input voltage is equal to or lower than a predetermined level, the compensation signal is kept at a predetermined value. | 07-04-2013 |
20140077703 | Control Circuit and Control Method of Light Emitting Device Circuit - The present invention discloses a control circuit and a control method of a light emitting device circuit. When the light emitting device circuit is normally connected in normal operation, an output current is regulated to a predetermined current. When the light emitting device circuit is removed, an output voltage is regulated to a predetermined voltage. When the light emitting device circuit is reconnected, the output current is regulated to the predetermined current. The output voltage is at or above a level when the light emitting device circuit is normally connected in normal operation, and the predetermined voltage is lower than this level. | 03-20-2014 |
20140285109 | LIGHT EMITTING DEVICE DRIVER CIRCUIT AND CONTROL CIRCUIT AND CONTROL METHOD THEREOF - The present invention discloses a light emitting device driver circuit and a control circuit and a control method thereof. The light emitting device driver circuit converts an input voltage to an output voltage, and provides an output current to a light emitting device circuit. The present invention detects whether the output voltage exceeds a predetermined level, and if no, the regulation target of the output current is set to a relatively higher current to fast charge an output capacitor; if yes, the output current is regulated to a desired target, wherein the relatively higher current is higher than the desired target. | 09-25-2014 |
Patent application number | Description | Published |
20100098038 | DEPLOY APPARATUS, METHOD, AND COMPUTER PROGRAM PRODUCT THEREOF FOR A WIRELESS NETWORK - A deploy apparatus, method and computer program product thereof for a wireless network are provided. The wireless network comprises at least one first network node and a second network node. The method comprises the following steps: calculating an output constant and a node constant according to a first default value, a second default value and a third default value; calculating a first evaluation function according to the related information of the network nodes of the wireless network; moving or removing the second network node from the wireless network when the output constant is smaller than one and a test value is smaller than the node constant; calculating a second evaluation function according to the related information of the network nodes of the wireless network; and deploying the wireless network after comparing the first evaluation function and the second evaluation function. | 04-22-2010 |
20110235636 | MOBILE AD HOC NETWORK AND METHOD FOR ESTABLISHING ROUTING THEREOF - A mobile ad hoc network (MANET) and a method for establishing a routing thereof are provided. The MANET includes a plurality of nodes. Each node determines a corresponding parent node according to a request packet resource of a request packet and a node resource of each node, so as to establish transmission routes between the nodes. Furthermore, needless transmission route is eliminated by the node belonging to a multicast group according to a group table of each node. | 09-29-2011 |
20120297218 | CLOUD-BASED ENERGY-SAVING SERVICE SYSTEM AND METHOD - A cloud-based energy-saving service system and method are disclosed. The service system and method of this invention use the strong computation capabilities of the cloud computing technology and systems to determine the power consumption policies of the mobile devices and provide the policies to the mobile devices, whereby the mobile devices implement the power consumption policies to save its power consumptions. In one aspect, the invented system and method calculate and determine the backlight level polices for a particular video stream, then provide the policies information to the mobile devices for implementation. The policies information may be provided to the mobile devices independently or along with the video stream. The calculation of the backlight illumination levels may be done in advance or on remand. | 11-22-2012 |
20130326148 | BUCKET-BASED WEAR LEVELING METHOD AND APPARATUS - A method for memory management is provided for a memory including a plurality of pages. The method comprises assigning in-use pages to in-use buckets according to use counts. The in-use buckets include a low in-use bucket for a lowest range of use counts, and a high in-use bucket for a highest range of use counts. The method comprises assigning free pages to free buckets according to use counts. The free buckets include a low free bucket for a lowest range of use counts, and a high free bucket for a highest range of use counts. The method maintains use counts for in-use pages. On a triggering event for a current in-use page, the method determines whether the use count of the current in-use page exceeds a hot swap threshold, and if so moves data in the current in-use page to a lead page in the low free bucket. | 12-05-2013 |
20140189276 | METADATA CONTAINERS WITH INDIRECT POINTERS - A method is provided for managing a file system including data objects. The data objects, indirect pointers and source pointers are stored in containers that have addresses and include addressable units of a memory. The objects are mapped to addresses for corresponding containers. The indirect pointer in a particular container points to the address of a container in which the corresponding object is stored. The source pointer in the particular container points to the address of the container to which the object in the particular container is mapped. An object in a first container is moved to a second container. The source pointer in the first container is used to find a third container to which the object is mapped. The indirect pointer in the third container is updated to point to the second container. The source pointer in the second container is updated to point to the third container. | 07-03-2014 |