04th week of 2009 patent applcation highlights part 38 |
Patent application number | Title | Published |
20090023317 | LEVER-TYPE CONNECTOR - A lever-type connector ( | 2009-01-22 |
20090023318 | RCARD CONNECTOR - Provided is a card connector including a first contact which is connected to a first card (card B), a second contact which is disposed toward an insertion port of the card from the first contact so as to be connected to a second card (card C), and a protection plate which protects the second contact from the contact with the first card. A guide piece which guides the bottom surface of the first card is formed in a housing in which the first and second cards are selectively mounted, and a support surface which is disposed in a position toward the insertion port and on the upper side from the guide piece is formed on the protection plate. The first card is inserted in a state where the leading end thereof is inclined more downward than the rear end thereof. | 2009-01-22 |
20090023319 | CARD CONNECTOR AND CARD CONNECTOR ASSEMBLY - A card connector is mounted on a PCB and has an insulative housing, a plurality of terminals, a pair of hook assemblies and a tray. The terminals are mounted on the insulative housing. The hook assemblies are mounted on the insulative housing and each hook assembly has a hook and a sheath. The sheath covers the hook. The tray is mounted slidably on the insulative housing and has two slides and two positioning notches defined respectively in the slides and selectively engaged respectively with sheathes on the hooks. The sheathes prevent the hooks from wearing the tray and prevent the slides from deviating. | 2009-01-22 |
20090023320 | Modular electrical bus system - A modular electrical bus system for a valve manifold has a main communication module with a plurality of modular I/O units each having a plurality of I/O fittings being both electrically and mechanically connectable together via a bridge member connecting adjacent units and the main communication module. At least one of the modular I/O units is also mechanically separable from and maintains communication connection to the main communication module. One or both of the modular IO units and main communication module may have an alpha-numeric display. | 2009-01-22 |
20090023321 | ELECTRICAL CONNECTOR ASSEMBLIES AND METHODS FOR FORMING AND USING THE SAME - An electrical connector for use with a conductor includes a housing, a conductor member and a flowable sealant. The housing defines a port. The port includes: an entrance opening; an exit opening; and a conductor passage extending between and communicating with the entrance and exit openings, the conductor passage being adapted to receive the conductor therethrough. The conductor member is disposed in the housing. The sealant is disposed in the conductor passage. The sealant is adapted for insertion of the conductor therethrough and to the conductor member such that the sealant provides a seal about the inserted conductor. The sealant is positively pre-pressurized prior to insertion of the conductor into the sealant. | 2009-01-22 |
20090023322 | Board-to-Board Electrical Connector - A board-to-board electrical connector comprising a male connector including a first insulating base, a plurality of male terminals, each said male terminal having a male contact and a male stator; a female connector including a second insulating base, a plurality of female terminals, each female terminal having a female lead and a female contact extending from the female lead in an bending direction for engagement with said male contact, and a female stator which engages with said male stator, the male contact is a closed ring in shape with at least a protrusion formed at its outside surface, which is restrained in the receiving cavity formed between the first convex of the female contact and the second convex set abreast to the first convex, and the outside surface of which contacts with the first convex and the second convex respectively, the first convex and the second convex being formed with the arm of the female contact bended forth and then back, the protrusion engaging with the first convex or the second convex in a locking manner. The electrical connector disclosed is small in size and the connection of the male terminal and female terminal is reliable. | 2009-01-22 |
20090023323 | LED Interconnection Integrated Connector Holder Package - Disclosed is an LED package holder for retaining and electrically connecting an LED package. The LED package holder includes a housing configured to hold an LED package and has at least one center opening defined therein. A connector shroud is integrally formed with the housing and has a cavity for receiving a connector operable to supply power to the LED package. Two contact features are retained by the housing, and each contact feature has an inner contact and an outer contact. Each inner contact engages an LED electric terminal of the LED package. Each outer contact extends into the connector shroud so as to engage connector terminals when a connector is inserted into the connector shroud. | 2009-01-22 |
20090023324 | LOCKING STRUCTURE OF FLEXIBLE BOARD - The object of the present invention is to provide a locking structure of a flexible board, which combines a reliable locking of and a smooth removal of the flexible board inserted to the Non-ZIF type connector, does not widen the width of the flexible board, and thereby does not increase the occupied mounting area of the connector, and furthermore does not compromise one-action insertion and removal. The locking structure | 2009-01-22 |
20090023325 | CONNECTOR POSITION ASSURANCE DEVICE AND CONNECTOR ASSEMBLY APPARATUS INCORPORATING THE SAME - A connector position assurance device includes a base panel member and a latch assembly connected to and extending perpendicularly and forwardly from the base panel member. The latch assembly has a first flexible arm and a second flexible arm disposed in a juxtaposed manner relative to one another on opposing sides of a longitudinal axis. Each one of the first and second flexible arms is operative to move between a normal relaxed state and a flexed state generally in a lateral direction with the first and second flexible arms being resiliently biased to the normal relaxed state. The first flexible arm has a talon portion at a first flexible arm distal end thereof and the second flexible arm has a guiding projection at a second flexible arm distal end thereof. A connector assembly apparatus includes a first connector housing, a second connector housing and the connector position assurance device. | 2009-01-22 |
20090023326 | Electric junction box - An electric junction box where a connector receiving section is provided in a case that receives an internal circuit, and where a connector that is connected to a wire harness terminal is fitted in the connector receiving section. In the electric junction box, a peripheral wall of the connector receiving section is of a square frame shape, a flexible section is formed by cutting the peripheral wall, a locking hole is formed in the flexible section, a locking claw is provided at the connector fitted in the connector receiving section, the claw being at a position that faces the locking hole of the flexible section. When the locking claw of the connector is inserted into and engaged with the locking hole of the flexible section, the connector is joined in a locking manner to the connector receiving section. | 2009-01-22 |
20090023327 | Lock connector - The present invention is to provide a lock connector to achieve a smooth and assured lock and unlocking without inclination of a retainer with an assure connection between connectors by high restoration of the retainer. The lock connector has a plug connector and a socket connector, the plug connector including a housing having a pair of lock arms for locking the socket connector and a retainer to be force-fitted into the housing. The lock arms each have a projection portion, which has an outwardly projecting portion and an inwardly projecting portion. The retainer has a pair of deflectable recovery arms, the recovery arms each deflecting when an end of the respective recovery arms abuts on the associated projection portion, and has a pair of limit arms, an end portion of the respective limit arms limiting deflection of the associated lock arm. | 2009-01-22 |
20090023328 | BURGLARPROOF SOCKET EXHIBITION ASSEMBLY - A burglarproof socket exhibition assembly, comprises a head; a body installed to a lower end of the head; the body having a cylindrical structure; the body having a hollow channel; a front side of the hollow channel of the body having a first rib and a rear side of the hollow channel of the body having a second rib; the first rib having a position higher than that of the second rib; and each of two sides of the front end of the body having a protrusion; the two protrusions being at two opposite sides of the hollow channel, each of two sides of the rear end of the body having a protrusion; and the two protrusions being at two opposite sides of the hollow channel. It is very difficult to take the socket from the burglarproof socket exhibition assembly so that it has the effect of burglarproof. | 2009-01-22 |
20090023329 | ELECTRICAL PLUG CONNECTOR - An electrical plug connector for connection of an electrical cable ( | 2009-01-22 |
20090023330 | Systems For Electrically Connecting Processing Devices Such As Central Processing Units And Chipsets - A cable assembly for electrically connecting processing devices may be provided. The cable assembly may include a cable such as a flat flexible cable. The cable may include a plurality of electrical leads at a first and second end. The electrical leads at the first end may be mounted to a respective contact in a first electrical connector. Similarly, the electrical leads at the second end may be mounted to a respective contact in a second electrical connector. The cable assembly may further include respective first and second clamps that may positioned at each end of the cable. The first and second clamps may be used to secure the first and second electrical connectors to a substrate of processing device. | 2009-01-22 |
20090023331 | BATTERY CONNECTOR - A battery connector has an insulative housing, a plurality of terminals and a holding bracket. The terminals are mounted in the insulative housing and each terminal has a contacting portion extending out of the insulative housing. The holding bracket covers the insulative housing and has a top portion, two side portions and two protective portions. The protective portions are formed on and protrudes forwards respectively from the side portions and extend forwards relative to the front of the insulative housing. The terminals are protected by the protective portions and would not permanently deformed by a battery pressing against the terminals. | 2009-01-22 |
20090023332 | Electrical connector assembly with shorting contacts - An electrical connector assembly is provided. The electrical connector assembly includes a housing including a body fabricated at least partially from a dielectric material. The housing body has an opening therein. An electrical contact is held by the housing. The electrical contact includes an intermediate portion and a spring portion each held at least partially within the opening. The spring portion of the electrical contact is engaged by the housing body such that the spring portion is deflected into shorting engagement with the intermediate portion of the electrical contact. | 2009-01-22 |
20090023333 | COMPLIANT COAXIAL CONNECTOR - A connector includes a connector body, a plurality of compression coaxial contacts disposed in the connector body, and a plurality of coaxial cables connected to corresponding ones of the plurality of compression coaxial contacts. The connector body includes a conductive elastomeric ground plane. | 2009-01-22 |
20090023334 | AUTOMOTIVE ELECTRICAL CONNECTOR SYSTEM AND METHOD OF ASSEMBLING SAME - Different configurations of power distribution boxes are assembled from a common set of components. A housing may receive any of several bus assemblies having taps of differing configurations. A fuse holder that protects portions of a bus assembly inserted into the housing is attached with the housing. | 2009-01-22 |
20090023335 | USB BLUETOOTH CONNECTOR - A USB bluetooth connector includes a shell that includes a front shell whose front and rear communicating with outside and a back shell integrated with the rear of the front shell. A printed circuit module received in the shell has a printed circuit board and a chipset disposed on the printed circuit board. The front of the printed circuit board has electric modules accommodated in the front shell for electrically connecting with corresponding conductors received in a USB interface. And an antenna circuit is etched on the inner surface of the shell and connects with the printed circuit module. | 2009-01-22 |
20090023336 | ELECTRIC CONNECTOR - An electric connector includes an insulative housing of such a shape as to be engageable on a front side thereof with a mating connector, a contact group including a plurality of contacts, a shield cover for surrounding outer surfaces of the housing, and a metal shield plate for impedance matching. The contacts are arranged in a widthwise direction of the connector so as to correspond to contacts of the mating connector. Proximal ends of the contacts are held and fixed in terminal insertion holes formed in the housing and leading ends of the contacts being exposed from the terminal insertion holes. The metal shield plate has a width thereof corresponding to a lateral length of the contact group and is disposed between the shield cover and the contact group and facing the contact group. | 2009-01-22 |
20090023337 | Electrical connector - An electrical connector could mounted onto a PCB comprising an insulating housing with a plurality of contacts; a shielding surrounding the housing; an IC component congregating several ESD protecting members and electrical connecting the contacts. Said contacts consists of several signal contacts and at least a grounding contact; the electro-static of the signal contacts flow through the IC component to the grounding contact. Each contact comprises a soldering portion protruding out of a bottom side of the connector; at least one elastic arm extends from a top side of the connector corresponding to the soldering portions; and the IC component is sandwiched between the elastic arm and the soldering portions. | 2009-01-22 |
20090023338 | Electrical connector and method of making the same - An electrical connector ( | 2009-01-22 |
20090023339 | SHIELDED CONNECTOR STRUCTURE - A shielded connector structure includes a first connector and a second connector, each having a metal terminal element, an insulating connector housing that has a terminal container for accommodating the metal terminal elements, and a conductive shield shell which covers the terminal container of the connector housing. The shielded connector structure further includes a conductive connector mounting portion which contacts the shield shell of at least one of the first and second connectors to ground the shield shell; and a connecting portion which is provided on each of the shield shells of the first and second connectors, and is coupled to the connector mounting portion when the first and second connectors are engaged to shield-connect the shield shells each other. | 2009-01-22 |
20090023340 | Electrical connector with improved contacts - An electrical connector ( | 2009-01-22 |
20090023341 | Panel mounted power module - A panel mounted power module is disclosed having an insulating housing and a conductive jacket. The insulating housing and the conductive jacket have corresponding flanges which oppose each other and are profiled to trap therebetween a panel. The power module includes a spring positioned between the insulating housing and conductive jacket, to spring load the flanges towards each other. The power module has at least one ground terminal and the spring commons the ground terminal and the conductive jacket together. | 2009-01-22 |
20090023342 | VEHICLE ELECTRIC CURRENT CONNECTOR ASSEMBLY WITH ELECTRIC CURRENT SENSORS - An assembly for transporting electric current in a vehicle includes a connector and a sensor package. The connector comprises a plurality of prongs. The plurality of prongs are configured to receive and transport electric current. The sensor package is electrically coupled to the connector, and comprises a plurality of sensors. Each of the plurality of sensors is electrically coupled to a different one of the plurality of prongs, and is configured to determine a measure of electric current thereof. | 2009-01-22 |
20090023343 | SIM CARD CONNECTOR - A SIM card connector includes an insulating body and a plurality of electric terminals. The insulating body has accepting holes and accepting cavities. The electric terminal has a welded slice, a contact and a fixing portion. The welded slice and the contact are accepted in the accepting hole, the contact projects from the accepting hole. A lump is formed in one side of the fixing portion, the fixing portion accepted in the accepting cavities. While the SIM card connector passes through a SMT apparatus, the insulated body is soften and the lump is against the side wall of the accepting cavities for preventing the holding portion out of the insulated body. Therefore, the SIM card connector is welded firmly in the PCB of a mobile. | 2009-01-22 |
20090023344 | Electrical Power Delivery System And Method Of Manufacturing Same - In some embodiments, an electrical power delivery system including: (a) a base having: (1) a first surface; and (2) a second surface spaced apart from the first surface by a first sidewall; (b) a platform extending away from the second surface of the base, the platform having a third surface spaced apart from the second surface by a second sidewall; (c) a first electrical power outlet at the third surface; (d) a second electrical power outlet at the second sidewall; and (e) an electrical power cord. The first electrical power outlet and the second electrical power outlet are electrically coupled to the electrical power cord such that the first electrical power outlet and the second electrical power outlet receive electrical power from the electrical power cord when the electrical power cord receives electrical power. | 2009-01-22 |
20090023345 | Direct Mounting Connector - An inverter (apparatus), to which two motors are connected, or a connecting structure of the inverter and the motors is made compact. A direct mounting connector to be directly mounted on an apparatus, includes: six independent busbars | 2009-01-22 |
20090023346 | Electrical connector with depressible contact stably retained - An electrical connector ( | 2009-01-22 |
20090023347 | ELECTRIC CONNECTOR - An electric connector has an insulative housing, a plurality of probe contacts and a plurality of terminals. The insulative housing has a plurality of mounting holes and a plurality of mounting slots. The mounting slots communicate respectively with and are perpendicularly to the mounting slots. The probe contacts are mounted respectively in the mounting holes. The terminals are mounted respectively in the mounting slots and respectively hold the probe contacts and each terminal has a fastening portion. The fastening portion is perpendicularly to and securely holds one probe contact. The terminal with the fastening portion is mounted perpendicularly on the probe contact instead of sliding longitudinally along the tubular body. Therefore, the terminal would not wear the probe contact. | 2009-01-22 |
20090023348 | Electrical connector having a grounding spring - An electrical connector for interconnecting a camera module with a printed circuit board comprises a metal housing including a base wall and side walls extending upwardly from the edge of the base wall. Wherein one of the base wall and the side walls defines a grounding spring extending from the outer surface thereof to ourside. Therefore, when the electrical connector is assembled into a chamber formed on the mobile phone for accommodating the electrical connector, the grounding spring can be compressed between the housing and the inner wall of the chamber, thus, the electricity from the camera module can be transmitted to the mobile phone via the grounding spring and the electrical connector is not interfered by the other electric equipment. | 2009-01-22 |
20090023349 | Device for moving an object in relation to a fluid - The device comprises at least one flap member ( | 2009-01-22 |
20090023350 | Building construction felt paper with biocide/anti-microbial treatment - A nonwoven web has a weight sufficient for construction industry use and comprises at least forty percent (40%) recycled waste paper. At least one surface of the web bears a biocide, e.g., has a biocide applied thereto. Preferably the weight of the web is greater than fifteen pounds per thousand square feet (15-lbs/MSF). Preferably the biocide is zinc pyrithione. The web preferably bears at least 50-grams of biocide per thousand square feet per side of said web. One example use of the web is as builders felt, with other uses including as a facer for a laminate board and for asphalt-impregnated webs. The biocide-bearing nonwoven web is specifically directed to use in building construction. One example use of the web is as builders felt, with other uses including as a facer for a laminate board and for asphalt-impregnated webs. Because building construction products must be tough, but priced as low as possible, this web is made largely from recycled waste paper (as opposed to virgin cellulose fiber, as a cost-reducing measure), and optionally clarifier sludge. | 2009-01-22 |
20090023351 | FLAME-RETARDANT RESIN COMPOSITION, PREPREG, RESIN SHEET, AND MOLDING - Provided is a flame-retardant resin composition that keeps flame-retardancy certainly without containing any halogen compound, which may cause the generation of a harmful material, and can simultaneously maintain the original property of the resin at a high level. | 2009-01-22 |
20090023352 | SHOCK ABSORBING FABRIC STRUCTURES - Fabric structures having two connection segments and an expansion segment between the two connection segments are provided. The fabric structure includes ground yarns that form a sheath, binder yarns, elongation yarns surrounded by the sheath, and lateral yarns. In the expansion segment, at least some of the lateral yarns are interwoven with the elongation yarns to connect the elongation yarns laterally with the sheath. Heat treatment of the expansion segment shrinks the length of the elongation yarns during manufacture. The sheath does not substantially shrink from the heat treatment relative to the elongation yarns and gathers together in an accordion-like arrangement. A tensile load applied to the fabric structure stretches the elongation yarns and unfolds the gathered sheath. The high strength sheath supports the tensile load when completely unfolded, while the elongation yarns absorbs energy as the fabric structure stretches or elongates. | 2009-01-22 |
20090023353 | ARTICLE OF MANUFACTURE FOR WARMING THE HUMAN BODY AND EXTREMITIES VIA GRADUATED THERMAL INSULATION - An article of manufacture for warming human extremities via graduated thermal insulation with a blanket comprised of concentrations of and transitions to and from concentrations of various types of woven thread fabric or non-woven fabric, having various properties of thermal insulation. | 2009-01-22 |
20090023354 | METHOD OF MANUFACTURING A LIGHTING BOLLARD ASSEMBLY - The present invention provides methods of manufacturing a bollard light assembly that provides a choice of light output by being size-adaptable depending on the choice of light output. The methods comprise, in pertinent part, selecting an elongated light and interposing a number of lens rings and light deflectors which correspond to the length of the selected elongated light. Also provided is a lighting bollard assembly manufactured according to the methods of the present invention. | 2009-01-22 |
20090023355 | ELECTRON SOURCE MANUFACTURING METHOD - An electron source excellent in the uniformity in current emission distribution is provided certainly and at a low cost | 2009-01-22 |
20090023356 | Smoke Effects Generator For A Musical Instrument - An effects generator for a musical instrument, such as an acoustic electric guitar, is disclosed. Such a musical instrument is of the type having a body with at least one internal cavity and at least one sound-producing string. The effects generator comprises a smoke generator that includes a heating wire, a receptacle for holding a quantity of a smoke-producing compound, and a receptacle holder disposed within the at least one cavity of the instrument. A battery is selectively electrically connected to the heating wire of the smoke generator. As such, the heating wire heats the smoke-producing compound to produce smoke emanating from the at least one internal cavity of the instrument. Preferably a switch is electrically disposed between the power source and the heating wire. The body may further includes an aperture opening into the at least one cavity therein, proximate to the receptacle holder, such than an empty receptacle may be replaced easily by grasping the empty receptacle through the aperture and replacing the empty receptacle with a receptacle full of the smoke-producing compound. | 2009-01-22 |
20090023357 | NOISE GENERATOR - An apparatus and method of making noise comprising a noise maker comprising a proximal cylinder portion | 2009-01-22 |
20090023358 | INTERACTIVE TOY CONTROL SYSTEM - An interactive toy control system is used to control an interactive toy driven by a motor module. The interactive toy control system includes a microprocessor unit, a first memory unit, a controlling module, a driving module, an acoustic processor unit and a second memory unit. The first memory unit is used to store movement information, the controlling module reads the movement information through the microprocessor unit and makes the driving module drive the motor module according to the movement information, so the interactive toy moves. The second memory unit is used to store acoustic information, the acoustic processor unit receives the signal from the microprocessor unit and translates the acoustic information into voice through a voicing apparatus. Through the co-operation of the microprocessor unit, the controlling module and the acoustic processor unit, the interactive toy can make voice and movement. | 2009-01-22 |
20090023359 | MOTION TOY - A motion toy includes a first drive system, a second drive system, a plurality of pivoted portions, a body assembly, a head portion, a base, a hand portion, and a foot portion. The first drive system and the second drive system are constituted by a set of gears and a set of motors. The first drive systems are respectively configured in the head portion, the body assembly, and the base. The second systems are configured in the hand portion. The first drive systems configured in the head portion, the body assembly and the base are associated to the second drive systems configured in the hand portion via the pivoted portions. The pivoted portions cooperate with the first drive system and the second drive system respectively to perform various movements. | 2009-01-22 |
20090023360 | Hand-gripped clapping device - The present invention relates to a hand-gripped clapping device comprising: a hand-gripped clapping device main body which has a palm-shaped main section and a handle section connected with the main section by a connecting segment. The main section has a receiving space for accommodating a light emitting element, a battery unit, a conductive resilient piece and a trigger connected together to form a conductive circuit. A pair of clapping boards pivots respectively on the upper and lower sides of the main section. A limiting piece is provided respectively at the rear side of each clapping board. When in use, user grips the handle and brandishes the clapping device so that the pair of clapping boards conducts opening-closing action just like the clapping of human being. By the way, the clapping action of the clapping boards also beat against the trigger which activates the light emitting elements provided on the main section. The fluorescent light emitted from the light emitting elements blinks in coordination with the pace of the clapping action. In this manner, entertainment effect bustling with sound and light can be further enhanced. | 2009-01-22 |
20090023361 | CMP APPARATUS AND METHOD OF POLISHING WAFER USING CMP - A CMP apparatus is provided with a replaceable polishing pad, a film thickness sensor, and a polishing control unit for switching polishing conditions in response to a fact that an output value from the film thickness sensor has exceeded a threshold value. The polishing control unit has a memory unit for storing a threshold value corresponding to the thickness of a new polishing pad when the polishing pad is replaced. The memory unit also store conversion information that shows the relationship between the output value of the film thickness sensor and the thickness of the polishing pad when the thickness of the film being polished is constant. The polishing control unit accesses the conversion information, obtain the output value of the film thickness sensor that corresponds to the thickness of the new polishing pad, and record the output value as the threshold value. | 2009-01-22 |
20090023362 | RETAINING RING FOR CHEMICAL MECHANICAL POLISHING, ITS OPERATIONAL METHOD AND APPLICATION SYSTEM - A retaining ring for CMP is disclosed. The retaining ring has a plurality of grooves. The grooves have rounded sidewalls. Because the sidewalls of the grooves of the retaining ring are rounded, the slurry is not apt to accumulate around them and the pad is less scratched. Accordingly, the micro-scratches on the wafer surface are reduced and the yield of the CMP step is increased. Its operational method and application system are also disclosed in this invention. | 2009-01-22 |
20090023363 | PROCESS OF USING A POLISHING APPARATUS INCLUDING A PLATEN WINDOW AND A POLISHING PAD - A polishing pad can include a first layer and a second layer. The first layer can have a first polishing surface and a first opening. The second layer can have an attaching surface and a second opening substantially contiguous with the first opening. The polishing pad can further include, a pad window lying within the first opening. The pad window can include a second polishing surface. When the pad would be attached to a platen, the first and second polishing surfaces can lie along a same plane, and an opposing surface of the pad window can abut an exterior surface of a platen window. In another aspect, a polishing apparatus can include an exterior surface of a platen window abutting the polishing pad. In still another aspect, a process of polishing can include polishing a workpiece such that the pad window contacts the workpiece and the platen window simultaneously. | 2009-01-22 |
20090023364 | METHOD OF MAKING A WAFER HAVING AN ASYMMETRIC EDGE PROFILE - A wafer having an asymmetric edge profile is provided. The wafer has a disk-like body. The disc-like body has a first main surface, a second main surface parallel to the first main surface, and an edge region. The disk-like body has a central line defined between the first main surface and the second main surface, the edge region has an edge profile, and the edge profile is asymmetric with respect to the central line of the first main surface and the second main surface. | 2009-01-22 |
20090023365 | PNEUMATIC GRINDER - The present invention provides an improved structure of pneumatic grinder, the housing of pneumatic grinder comprises an air chamber stand to assemble rotor; the air chamber stand comprising a cylinder, an upper cover and lower cover; the cylinder is fitted with inlet hole and exhaust hole; the major feature of the present invention lies in: a lateral exhaust hole is assembled on the upper cover and/or lower cover; said lateral exhaust hole is provided with a vertical internal borehole section linking air chamber within air-chamber stand, and also provided with a transverse external borehole section protruding from the edge of upper cover and/or lower cover; with the lateral exhaust hole, it is possible to increase air exhaust capacity of air chamber stand, reduce markedly the turbulence in air chamber stand, and improve the rotational speed and strength of rotor. Meanwhile, it can reduce efficiently the vibration of rotor for the benefit of the users, thereby improving significantly the torque, performance and quality of pneumatic grinder with better applicability. | 2009-01-22 |
20090023366 | METHOD OF MAKING ABRASIVE ARTICLE - A method of making an abrasive article comprising an abrasive disc ( | 2009-01-22 |
20090023367 | DEVICE AND METHOD FOR SHARPENING BLADES - A blade sharpener includes a blade holder for holding a blade to be sharpened by a rotary wheel having an abrasive surface. The blade holder includes a body having a notch formed in a medial portion of the body for exposing a portion of the blade to the abrasive surface and a support surface for supporting the blade as it travels through the blade holder. The notch comprises a curved back wall for accommodating the rotary wheel. | 2009-01-22 |
20090023368 | POLISHING HEAD AND EDGE CONTROL RING THEREOF, AND METHOD OF INCREASING POLISHING RATE AT WAFER EDGE - A polishing head used for CMP is described, including a retaining ring that is for engaging with a wafer, a membrane and an edge control ring. The membrane includes a bottom part for engaging with the wafer, and a lip part contiguous with the bottom part. The edge control ring is disposed between the retaining ring and the membrane, including a bottom part that has an abutting surface. The abutting surface of the edge control ring contacts with the external surface of the lip part of the membrane when the membrane is not inflated. | 2009-01-22 |
20090023369 | Floor processing machine with tiltable finishing units - A finishing machine ( | 2009-01-22 |
20090023370 | DRYWALL SANDER - A drywall sander includes a replaceable sanding pad having a layer of resilient material, and an abrasive surface. The sanding pad includes one or more edge portions that project beyond the edges of a sander head. The edges of the sanding pad can be deformed during use when the sander is used in a corner or the like to thereby prevent scuffing or other damage to adjacent orthogonal surfaces. | 2009-01-22 |
20090023371 | Power-Driven Hand Tool - A power-driven hand tool comprises a drive spindle adapted to drive a tool, that can be driven to oscillate about its longitudinal axis, which tool can be fixed on a retaining section of the dive spindle by a securing element, and further comprises a displacing device that serves to displace the securing element between a releasing position in which the securing element can be released from the drive spindle and a clamping position in which the securing element is clamped on the retaining section by a spring element, the securing element comprising a clamping shaft adapted to be inserted into the securing element, which is axially fixed in the drive spindle for clamping the tool in the clamping position, and which can be detached in the releasing position. For clamping of the tool a split chuck is provided which is clamped on the retaining section by the securing element in the clamped position and is connected with the retaining section in form-locking engagement. | 2009-01-22 |
20090023372 | HAND-HELD POWER TOOL FOR A ROTATING TOOL WITH A GUARD - The invention relates to a portable power tool ( | 2009-01-22 |
20090023373 | DEVICE AND METHOD FOR MANUFACTURING SAUSAGES - A device and a method for the manufacture of sausages from paste mass, in particular sausage meat, with a coextrusion head for coextruding the paste mass and a sausage casing, wherein the coextrusion head comprises a filling tube for the ejection of the paste mass as well as an extrusion die assigned to the filling tube with an extrusion gap for ejecting the casing material. In order to produce strong sausage casings, the filling tube protrudes by a distance X beyond the annular gap so that the casing material is extruded through the annular gap onto the filling tube and solidifies along the filling tube. | 2009-01-22 |
20090023374 | Air passage opening and closing device - An air passage opening and closing device includes a case forming an opening portion, a sliding door, and a gear mechanism. The case has a case-side seal surface at two edges of the opening portion in a width direction of a door body of the sliding door, on which a first plate surface of the door body abuts. The gear mechanism includes a driven side gear molded integrally with the door body using resin. The driven side gear protrudes from a second plate surface of the door body on a side opposite to the first plate surface, and extends in parallel with a movement direction of the sliding door, at two edge portions of the second plate surface in the width direction. In addition, the driven side gear has a hollow space opened toward a direction parallel to the width direction. | 2009-01-22 |
20090023375 | APPARATUS AND METHOD FOR PROVIDING DETONATION DAMAGE RESISTANCE IN DUCTWORK - A ductwork system including a duct having a plurality of ducting panels joined together to define a flow passage extending therethrough, and the duct having structure for resisting damage thereto caused by a detonation within the duct. The structure for resisting damage can include an internal bracing within and extending across the flow passage of the duct to tie at least two sides of the duct together. For example, the internal bracing can be a reinforcement panel including a mounting frame with one or more elongated members extending from one side of the frame attached to a ducting panel to another side of the frame attached to an opposite ducting panel. Alternatively or in addition to the above structure, the duct can have structure for resisting damage that includes providing the duct with at least one curved or faceted side along an axial length of the duct. | 2009-01-22 |
20090023376 | DAMPER FOR POSITIVE PRESSURE AIR CLEANER - The invention is a damper that closes off supply duct air when the unit is off to prevent air from exiting through the outlet, and opens when the unit is on to allow room air and/or supply duct air to exit through an outlet. The damper may be either motorized or mechanically biased. | 2009-01-22 |
20090023377 | Vent system insert apparatus and method for installation - In one form, a vent system is provided that can be mounted to a structure to provide for air flow either into or out of the structure. The vent system comprising one or more covers and at least one bottom flange in which the bottom flange defines a hole or opening. The cover is positioned over the opening and further defines the space between the cover and the flange to provide for air to travel either into or out of the opening. One or more inserts may be positioned within the opening or within other spaces defined by the cover and bottom flange to assist in minimizing the amount of moisture, snow or other foreign objects from entering the vent system. | 2009-01-22 |
20090023378 | FAN DAMPER - A damper assembly for use with an axial fan to prevent air from entering the discharge side of the fan when the fan is at idle. The damper assembly includes a damper door having multiple sections. The sections are able to pivot independently in response to the air flow created by the fan to minimize airflow resistance when the fan is operating. | 2009-01-22 |
20090023379 | EXHAUST BOX - An exhaust apparatus provides a housing with at least one exhaust compartment disposed within the housing, and at least one draft damper repositionable to operate at orientations of about 0°, 90°, 180° and 270° with respect to a level plane of an exterior bottom surface of the housing. | 2009-01-22 |
20090023380 | APPARATUS AND METHOD FOR AIR CIRCULATION - An air circulation module ( | 2009-01-22 |
20090023381 | INTEGRATED HOUSING FOR FAN AND ALTERNATE FLOW CHECK VALVE - A single housing is utilized to mount both an internal fan, and an external alternate flow passage closed by a check valve. The alternate flow passage is defined between an inner and outer wall of the single housing, while the fan is mounted within the inner wall. | 2009-01-22 |
20090023382 | Radio Communication System and Base Station - A radio communication system includes a grouping unit for grouping a plurality of base stations into a plurality of groups (Soft Handoff Groups) and a determining unit for selecting base stations belonging to one and the same group selected from the groups produced by the grouping unit and for determining the base stations as base stations to send communication packets to an access terminal. | 2009-01-22 |
20090023383 | Distributed conformal adaptive antenna array for SATCOM using decision direction - An apparatus comprises a distributed array of antenna elements for receiving a radio frequency signal on a satellite communications link, wherein the radio frequency signal includes a known preamble; a plurality of mixers for translating the radio frequency signal to a plurality of baseband signals having in-phase and quadrature components; a processor for applying weights to the baseband signals, wherein the weights are found adaptively in response to the preamble in combination with decision-directed feedback when the preamble is not present; and a receiver for processing the weighted baseband signals. A pre-processor can be used to create sub-arrays of the antenna elements using maximal-ratio weighting. A method performed by the apparatus is also provided. | 2009-01-22 |
20090023384 | Capacity Maximization for a Unicast Spot Beam Satellite System - Methods, systems, and apparatuses are presented for improved satellite communications. The satellite system may comprises at least one gateway, a satellite in orbit configured to communicate with the at least one gateway and provide a plurality of spot beams, and a plurality of subscriber terminals. The spot beams may include a first spot beam to illuminate a first region and a second spot beam to illuminate a second region adjacent to and overlapping with the first region. The first spot beam as sent to at least one subscriber terminal may be affected by (1) interference from other signal sources including the second spot beam at a signal-to-interference ratio C/I and (2) noise at a signal-to-noise ratio C/N. Reception of signals from the first spot beam by the at least one of the first plurality of subscriber terminals may be interference-dominated such that C/I is less than C/N. | 2009-01-22 |
20090023385 | METHOD FOR SYNCHRONZING USER SIGNAL TRANSMISSIONS WITHIN A HYBRID COMMUNICATION NETWORK - A method is devoted to synchronizing the transmission of user signals within a single-frequency hybrid network comprising at least one transmission satellite (SAT) and regenerative emitters (E | 2009-01-22 |
20090023386 | Radiative focal area antenna transmission coupling arrangement - The present invention comprises a docking system for connecting a portable communication device to a further signal transmission line. The docking system may be arranged within a workstation such as a desk or a tray. The system may also envelope a room in a building or be located in a vehicle, to control and restrict the radiative emission from the communication device and to direct such radiation to a further remote antenna and or signal distribution system connected to the transmission line. | 2009-01-22 |
20090023387 | Receiver, Transceiver, and Electric Field Communication System - A transmitter ( | 2009-01-22 |
20090023388 | Wireless transceiver and microphone based communications system - In one embodiment a communications system includes at least one wireless microphone having a communications modules and a wireless transceiver also having a communications modules. In one operation the transceiver is adapted to send data to each microphone after setting a common operating frequency and ID. A PC having a wireless communications module is provided in another embodiment. The PC is adapted to activate the transceiver to send data to each microphone through its communications module. Each communications modules is complied with IEEE 802.15.4 standard. | 2009-01-22 |
20090023389 | System and method for remotely controlling bluetooth enabled electronic equipment - According to one exemplary embodiment, a system providing remote control of Bluetooth enabled electronic equipment comprises Bluetooth enabled electronic equipment for initiating a pairing mode to authorize a virtual remote controller transfer, a Bluetooth enabled wireless device for activating a setup mode so as to pair with the Bluetooth enabled electronic equipment and for downloading the virtual remote controller. The virtual remote controller may be described in an advanced markup language, for example. In one embodiment, a method for utilizing a Bluetooth enabled wireless device to remotely control a Bluetooth enabled electronic equipment comprises initiating a pairing mode of the Bluetooth enabled electronic equipment to authorize a virtual remote controller transfer, activating a setup mode of the Bluetooth enabled wireless device so as to pair with the Bluetooth enabled electronic equipment, and downloading the virtual remote controller to the Bluetooth enabled wireless device. | 2009-01-22 |
20090023390 | Bring call here selectively - A communication system includes logic to detect a second communication device in proximity to a first communication device engaged in a call, and to provide a substantially uninterrupted transfer of selected parties to the call to the second communication device. A proximate device may be identified as one capable of rendering a particular data type, and a substantially uninterrupted transfer may be performed to the proximate device of data of the communications having the data type. An application associated with communication data may be identified, as well as a proximate device capable of providing the application, and a substantially uninterrupted transfer may be performed to the proximate device of data associated with the application. | 2009-01-22 |
20090023391 | WIRELESS BODY SENSOR NETWORK - Disclosed are communication devices especially devices adapted for use as body-worn medical sensors for continuously measuring ECG, SpO2, heart rate, blood pressure and the like, and in particular a method and apparatus for setting up wireless networks of such devices, specifically a communication device adapted for attachment to the body of a wearer so as to form part of a body area network (“BAN”) comprising a body coupled communication (“BCC”) device, and a short-range radio device, the device including means for detecting other similar communication devices on the wearer using BCC, and means for establishing a wireless network with other such devices using their short range radios. | 2009-01-22 |
20090023392 | MOBILE COMMUNICATION TERMINAL AND METHOD FOR CONTROLLING ACTIVATION OF MULTI-PATH INTERFERENCE REMOVING APPARATUS - An increase in the power consumption and deterioration of the reception characteristic which can arise as a result of installing a multi-path interference removing apparatus are suppressed. The multi-path interference removing apparatus is operated only in the following cases: a case where a mobile communication terminal is in a communication active state, a case where communication takes place via a base station to which the adaptive modulation and coding technology is applied, a case where the number of reception paths of the mobile communication terminal is two or more paths, a case where the speed of motion of the mobile communication terminal is 60 km/h or less, and a case where the Signal to Interference power Ratio is 8 dB or more. | 2009-01-22 |
20090023393 | METHOD AND SYSTEM FOR A WIRELESS MOBILE COMMUNICATION DEVICE TO EXECUTE A FUNCTION OR RECEIVE A SERVICE IN ONE OR MORE REMOTE TRANSMIT/RECEIVE DEVICES BASED ON USER PREFERENCE DATA - A system and method is provided for a wireless mobile communication device (WMCD) to communicate a signal that may include user preference data to execute a function and/or receive a service in one or more identified remote transmitting/receiving (TX/RX) devices. The signal may be encrypted, and may be used to poll the availability and identity of the one or more remote TX/RX devices. The user preference data may be formatted in a standardized universal language with commands understandable by most remote TX/RX devices for rendering functions or services. If the one or more remote TX/RX devices receive competing and/or conflicting user preference data from a plurality of WMCDs, each of the remote TX/RX devices may arbitrate which function or service to perform according to privileges of each of the user preference data of the respective WMCDs or based on an arbitration decision in the one or more remote TX/RX devices. | 2009-01-22 |
20090023394 | RADIOCOMMUNICATION SYSTEM FOR AIRCRAFT - Radiocommunication system for aircraft. The radiocommunication system (S | 2009-01-22 |
20090023395 | PASSIVE INTERFACE AND SOFTWARE CONFIGURATION FOR PORTABLE DEVICES - A universal passive interface for connecting external systems to smart devices such as cell phones and PDAs. The passive system includes a cradle for receiving a compatible smart device that connects the functionality of the smart device to a wide variety of external systems (e.g., printers, large display, input devices, etc.). The passive interface includes a USB hub, network port, and other common connector ports for peripherals and other systems. The smart device can connect to the passive system via the cradle slot, a tether, and/or wirelessly. The external systems to which the passive system serves at the interface to the smart device include, but are not limited to, large displays (e.g., television), external monitors, input devices such as mice and keyboards, external storage devices, and networks (wired and/or wireless). A wizard allows the user to configure the external systems to work with the smart device. | 2009-01-22 |
20090023396 | Mobile Telephone Device With Broadcasting Receiver - It is to provide a mobile telephone device with the broadcasting receiver having high sensitivity over a broad band. A meander element | 2009-01-22 |
20090023397 | ACTIVE LOAD ISOLATOR AND WIRELESS SPEAKER FOR MIXED SIGNAL ENVIRONMENTS - An isolation circuit includes a low dropout operational current control loop and a shunt regulator. The current control loop is configured to drive the shunt regulator to result in a high dynamic impedance ratio between a voltage source and a load. The current control loop may include a series-pass transistor, a current sensing resistor, and a high side current sensor. | 2009-01-22 |
20090023398 | Wireless Terminal, Wireless Module and Method of Manufacturing such a Terminal - A wireless terminal is described, which is formed from a module ( | 2009-01-22 |
20090023399 | Message handling in an ip multimedia subsystem - A method of handling the delivery of push messages from a notification server of a Session Initiation Protocol based network to a network user. The method comprises signalling to said notification server the start of a Session Initiation Protocol session and the end of a Session Initiation Protocol session, and deferring the delivery of some or all push messages, scheduled for delivery to said user during the ongoing session, until the session has finished. | 2009-01-22 |
20090023400 | PIEZOELECTRIC OSCILLATOR AND TRANSMITTER - A piezoelectric oscillator includes: a piezoelectric resonator element having a piezoelectric substrate and an excitation electrode formed on a surface of the piezoelectric substrate; a semiconductor circuit element provided with an oscillation circuit for oscillating the piezoelectric resonator element and having a first insulating film formed on a principal surface; a package for airtightly housing the semiconductor circuit element and the piezoelectric resonator element; and a protruding section having at least of a thin film circuit component formed on the first insulating film and connected to the oscillation circuit; and a second insulating film formed on the first insulating film and covering the thin film circuit component. In the oscillator, the piezoelectric resonator element is fixed to an upper surface of the protruding section, | 2009-01-22 |
20090023401 | METHOD AND APPARATUS FOR REDUCING TRANSIENT IMPACTS OF BEAM SWITCHING IN A SWITCHED BEAM ANTENNA SYSTEM - A method and apparatus for reducing transient impacts of beam switching in a switched beam antenna system are disclosed. A switch beam antenna system generates a plurality of beams in a predefined beam pattern and switches the current beam position to one of the plurality of predefined beams in accordance with measurement results for each of the beams. Quality of signals is periodically measured for each of the plurality of predefined beams, and the best beam is determined. The current beam is switched to either the best beam or an intermediate beam in accordance with the separation between the best beam and the current beam. | 2009-01-22 |
20090023402 | POLAR MODULATION CIRCUIT, INTEGRATED CIRCUIT AND RADIO APPARATUS - An object of the invention is to provide a polar modulation circuit capable of reducing the capacity of data stored in memory and suppressing an increase in the circuit scale related to distortion compensation while assuring the compensation accuracy. The polar modulation circuit according to the invention stores output signal characteristic relative to the control voltage at the steady state after input of the control voltage for a predetermined input amplitude of an input high frequency signal as the basis of distortion compensation of an amplifier separately into an offset storage section | 2009-01-22 |
20090023403 | SYSTEM AND METHOD FOR CONTROLLING INTERMODULATION INTERFERENCE - In one embodiment, a method of controlling intermodulation (IM) interference is provided. The method comprises determining if an IM product spectrum overlaps the spectrum of an assigned receive frequency and determining when transmissions from at least two transmitters are to overlap in time. If the IM product spectrum overlaps the assigned receive frequency spectrum, it is determined if a signal is being propagated on the receive frequency when the transmissions from the at least two transmitters are to overlap in time. If a signal is not being propagated on the receive frequency, the at least two transmitters are allowed to transmit the overlapping transmissions; and if a signal is being propagated on the receive frequency, control steps are initiated to reduce the effects of IM interference | 2009-01-22 |
20090023404 | Controlling a Receiver - A receiver | 2009-01-22 |
20090023405 | RF Front-End Circuitry with Reduced DC Offset - An RF front-end circuit includes a directional coupler, a mixer, and a reflection circuit. The directional coupler is adapted to receive an antenna signal and an oscillator signal. The mixer is coupled to the directional coupler to receive the antenna signal and is further adapted to receive a mixer signal and to generate an output signal related to the antenna signal and the mixer signal. The reflection circuit is coupled to the directional coupler to receive the oscillator signal and is adapted to reflect at least a portion of the oscillator signal to the mixer via the directional coupler to counteract a parasitic portion of the oscillator signal received at the mixer. | 2009-01-22 |
20090023406 | ENHANCED RADIO SYSTEMS AND METHODS - An enhanced radio system is disclosed that provides for the capture and playback of one or more radio stations. The user may tune to a station, or scan through stations, rewind to hear what was missed (even while the system is turned off), and fast-forward through undesired content. The system allows a user to rate content, and to be notified when that content is being played on any station. The system may recognize content as it is broadcast and may jump to desirable content, save a copy of desirable content, or skip over undesirable content. The system may make radio station recommendations. The system may support multiple sets of configuration information to allow its use by multiple listeners and in multiple locations. The system allows the user to respond easily to radio content, download and upload audio content, and send radio content to another user. The system may allow a user to download information about content that the user wishes to record a copy of. The system may include security features to prevent the unauthorized downloading, uploading, and saving of copies of the radio content. The system may provide other radio related and radio content related information. The system may provide a karaoke mode. The system may also allow the user to integrate a telephone with the radio. The system may report usage information to a collection facility. | 2009-01-22 |
20090023407 | Adaptive Tuning To Improve Demodulator Performance - A receiver is tuned to a transmission frequency of a data signal after the receiver has already locked onto a frequency carrying the data signal. A frequency offset between a locked frequency of a tuner on the receiver and the actual transmission frequency is determined by a comparator. If the frequency offset is greater than a threshold value, then the tuner is stepped to another frequency and the frequency offset is determined again. The direction of the tuning step can be determined by comparing multiple frequency offsets. An average value of multiple frequency offset measurements may also be used to determine if the tuner should retune to another frequency by comparison with the threshold value. | 2009-01-22 |
20090023408 | ELECTRIC WAVE RECEIVING APPARATUS - An electric wave receiving apparatus comprises: an antenna; an amplifier; filter circuits that extract signals in different frequency bands from an output of the amplifier; detector circuits that demodulate time codes from outputs of the filter circuits; automatic gain control circuits that generate gain control signals from the detector circuits; a selector that selects one gain control signal indicating a maximum signal level among the gain control signals; and an arithmetic processing section to be able to analyze the time codes of outputs of the plurality of detector circuits, wherein the one gain control signal is supplied to the amplifier to control an amplification factor of the amplifier so that signal levels output from detector circuits do not become excessive, and the arithmetic processing section selects an output to enable the analysis of the time code among the outputs of detector circuits to perform the analysis of the time code. | 2009-01-22 |
20090023409 | Receiving device - A waveform shaping circuit wave-shapes a demodulated signal after FM demodulation to generate a binary value. A smoothing circuit smoothes the demodulated signal to generate a reference voltage. A comparator compares the reference voltage with the demodulated signal to output the binary value. A potential difference limiting circuit determines whether a potential difference between the demodulated signal and the reference voltage exceeds a set voltage. When the potential difference exceeds the set voltage, the potential difference is controlled to a value less than the set voltage. At the initiation of signal reception or after a jamming signal stops, the reference voltage follows the demodulated signal, thus allowing data reception to rapidly begin. | 2009-01-22 |
20090023410 | Location awareness of devices - A method for managing devices is described. The method includes receiving wireless fingerprints from a plurality of devices, each of the wireless fingerprints comprising a unique device identifier, a wireless signal strength indicator that corresponds to a relative position a device is located with respect to one or more wireless access points and unique identifiers associated with the access points. The method further includes identifying a similarity between a first wireless fingerprint associated with a first of the plurality of devices and a second wireless fingerprint associated with a second of the plurality of devices and determining the first device is located physically close to the second device based on the similarity. | 2009-01-22 |
20090023411 | RECEIVING CIRCUIT - The present invention is a receiving circuit used for a cellular phone that is reduced in size and can realize low power consumption. In a signal reception circuit that is used in a cellular phone that perform transmission and reception of a plurality of band wireless signals and includes a low-pass filter for removing blockers unnecessary for signal reception, the low-pass filter | 2009-01-22 |
20090023412 | FM RADIO RECEIVER - A diversity FM radio receiver comprises two tuners for simultaneously tuning to the same FM channel. To avoid disturbances between the local oscillator signals of the tuners and to be able to use standard IF filters, one of the tuners operate with high-side LO injection and the other tuner operates with low-side LO-injection. To equalize the frequencies of the signals to be subjected to the diversity operation the two IF-signals of the tuners are fed to complex mixers with oppositely rotating phases. | 2009-01-22 |
20090023413 | Cross Coupled High Frequency Buffer - A local oscillator (LO) buffer circuit comprises first and second LO buffers arranged in a cross coupled configuration. The first LO buffer generates in-phase output signals in response to in-phase input signals, and quadrature output signals from the second LO buffer. The second LO buffer generates the quadrature output signals in response to quadrature input signals and the in-phase output signals. The LO buffers may include inductive loads. The LO buffers may include MOS transistors or bipolar junction transistors. | 2009-01-22 |
20090023414 | Software-Defined Radio Support in Sequestered Partitions - A software-defined radio (SDR) capability may be provided in a general purpose, many core processing system by sequestering one or more partitions running on one or more cores and instantiating a communications capability by having discrete SDR functions performed by the sequestered partitions. Each SDR module embodied in a sequestered partition may be independently upgraded without modifying the hardware of the underlying processing system. By executing SDR modules in cores not accessible by application programs and/or an operating system (OS), a better Quality of Service (QoS) may be provided for wireless communications on the general purpose, multi-core processing system. An embodiment comprises isolating a core of a many core processing system as a sequestered partition, loading a software-defined radio module onto the core, and executing the software-defined module to implement wireless communications. | 2009-01-22 |
20090023415 | SEMICONDUCTOR SWITCHING DEVICE - A semiconductor switching device includes, on one semiconductor substrate: a switching circuit configured to switch connection states between a plurality of terminals; a negative voltage generating circuit; and a control circuit connected to the switching circuit and the negative voltage generating circuit and configured to supply a control signal to the switching circuit, the control circuit including: a level shift circuit with a low-potential power supply terminal connected to the negative voltage generating circuit and an output node connected to the switching circuit, the level shift circuit being configured to supply a negative potential signal as a control signal at a low level to the switching circuit; a diode with its anode connected to the output node of the level shift circuit; and a transistor with its drain-source path connected between the cathode of the diode and ground, the drain-source path switching from a blocking state to a conducting state before the potential of the output node of the level shift circuit switches from a high level to the low level. | 2009-01-22 |
20090023416 | Mobile Radio Receiver Power Management Systems and Methods - According to some embodiments, an analog radio receiver circuit is configured alternatively in a full-power mode when the receiver is situated in a cradle and connected to an external power source, and in a power-saving mode when the receiver is not connected to the external power source. In the power-saving mode, a scaled-down power level is supplied to an analog radio signal processing circuit component such as an amplifier, filter, oscillator, or mixer. Scaling down the power supplied to analog circuit components allows reducing their power consumption, at the expense of degraded circuit performance (e.g. increased non-linearity and intermodulation, decreased filter selectivity). Switching between full-power and power-saving modes may be achieved by controlling the connection of internal nodes of the signal processing circuit to a power source, and/or inserting circuit components (e.g. resistors, active devices, filter poles) into the signal processing circuit. | 2009-01-22 |