28th week of 2010 patent applcation highlights part 51 |
Patent application number | Title | Published |
20100176876 | FUEL CELL SYSTEM - A fuel cell system, and a method of operating the fuel cell system to measure a performance difference of unit cells via an application-specific integrated circuit (ASIC) and to drive the ASIC with a low voltage from a separately included power source supply device. | 2010-07-15 |
20100176877 | DIRECT-CURRENT POTENTIAL GENERATION CIRCUIT, MULTISTAGE CIRCUIT AND COMMUNICATION APPARATUS - A current source generates a direct-current potential at a terminal of a resistor by supplying a current to the resistor and a diode-connected transistor coupled to the resistor in series. | 2010-07-15 |
20100176878 | CAPACITIVELY AND CONDUCTIVELY COUPLED MULTIPLEXER - A capacitively and conductively coupled multiplexer (C | 2010-07-15 |
20100176879 | Method And Device For Performing Offset Cancellation In An Amplifier Using Floating-Gate Transistors - An operational amplifier including: a differential pair of transistors coupled to a pair of input signals; and a pair of floating-gate transistors coupled to the differential pair of transistors, wherein the pair of floating-gate transistors are operable for reducing an offset voltage of the operational amplifier. | 2010-07-15 |
20100176880 | POWER AMPLIFIER ARCHITECTURES - Implementations and examples of power amplifier devices, systems and techniques for amplifying RF signals, including power amplifier systems based on Composite Right and Left Handed (CRLH) metamaterial (MTM) structures. | 2010-07-15 |
20100176881 | PULSE WIDTH MODULATION CIRCUIT AND CLASS-D AMPLIFIER COMPRISING THE PWM CIRCUIT - A pulse width modulation (PWM) circuit comprises a first integrator (g m | 2010-07-15 |
20100176882 | TRANSCONDUCTANCE AMPLIFIER WITH A FILTER FOR REJECTING NOISE OUTSIDE THE USEFUL BAND - The invention relates to a transconductance amplifier, providing current variations di=k·dv when it receives voltage variations dv. | 2010-07-15 |
20100176883 | METHOD FOR ADJUSTING THRESHOLD VOLTAGE AND CIRCUIT THEREFOR - A method and circuit for changing a threshold voltage of a transistor. The circuit includes a sense circuit coupled to a switching transistor, a circuit transistor and to one terminal of a resistor. The other terminal of the resistor is connected to a body contact. The switching transistor directs current along one of two different paths in response to an input voltage sensed by the sense circuit. When the switching transistor directs a first current along one path, the first current is steered towards the resistor and flows through the resistor in one direction and when the switching transistor directs a second current along the other path, the second current is directed towards the resistor and flows through the resistor in the opposite direction from the first current. Steering the currents varies the potential of a body with respect to the potential at the source of the circuit transistor. | 2010-07-15 |
20100176884 | TRANSCONDUCTANCE AMPLIFIER WITH IMPROVED LINEARITY - The invention relates to a transconductance amplifier, intended to supply current variations di when it receives voltage variations dv, with a desired conversion coefficient Gm called transconductance: Gm=di/dv. | 2010-07-15 |
20100176885 | N-Way Doherty Distributed Power Amplifier with Power Tracking - A power amplifier using N-way Doherty structure with adaptive bias supply power tracking for extending the efficiency region over the high peak-to-average power ratio of the multiplexing modulated signals such as wideband code division multiple access and orthogonal frequency division multiplexing is disclosed. In an embodiment, the present invention uses a dual-feed distributed structure to an N-way Doherty amplifier to improve the isolation between at least one main amplifier and at least one peaking amplifier and, and also to improve both gain and efficiency performance at high output back-off power. Hybrid couplers can be used at either or both of the input and output. In at least some implementations, circuit space is also conserved due to the integration of amplification, power splitting and combining. | 2010-07-15 |
20100176886 | Circuit for Adjusting the Temperature Coefficient of a Resistor - A temperature-compensated-resistance (TCR) circuit, which may be part of an integrated circuit, is provided. The TCR circuit consists of two resistors and a diode. The two resistors are connected in parallel and the diode is connected in series with one of the resistors. The two parallel legs of the TCR circuit may be connected to a reference voltage source, such as a ground. No specialized devices, such as bipolar transistors, Zener or Schottky diodes, or specially-processed resistors, are required by the TCR circuit. The resistors and the diode of the TCR circuit may be chosen to adjust for temperature variations in the resistance values of the resistor, leading to a negative, zero, or positive temperature coefficient of resistance for the circuit. A phase-locked loop (PLL) circuit is described as an application of the TCR circuit. | 2010-07-15 |
20100176887 | METHOD AND SYSTEM FOR REDUCED CLOCK FEED-THROUGH IN A PHASE LOCKED LOOP - Aspects of a method and system for reduced clock feed-through in a phase locked loop are provided. In this regard, a control voltage for controlling a VCO may be generated via a filter comprising at least one switching element clocked via a clock booster circuit and comprising one or more thick oxide transistors to reduce clock feed-through. A first switching element of the filter may be a first transmission gate comprising thick oxide transistors. The first transmission gate may be part of a sample and hold circuit. A DC voltage on an input node of the sample and hold circuit may be periodically reset via a reset switching element, which may comprise thick oxide transistors. The reset switching element may be controlled via a clock booster circuit. The filter may also comprise a buffer having an input stage comprising one or more thick oxide transistors. | 2010-07-15 |
20100176888 | VOLTAGE-CONTROLLED OSCILLATOR, FREQUENCY SYNTHESIZER, AND OSCILLATION FREQUENCY CONTROL METHOD - A voltage controlled oscillator is provided to make it possible to enlarge a variable frequency range with an increase in a conversion gain suppressed. A converter ( | 2010-07-15 |
20100176889 | COMPLEMENTARY RING OSCILLATOR WITH CAPACITIVE COUPLING - An oscillator. The oscillator includes a first ring oscillator having a first plurality of inverters, a first plurality of capacitors each having a first terminal coupled to an output terminal of a corresponding one of the first plurality of inverters, a second ring oscillator having a second plurality of inverters, and a second plurality of capacitors each having a first terminal coupled to an output terminal of a corresponding one of the second plurality of inverters. A second terminal of the first plurality of capacitors is coupled to an output terminal of a corresponding one of the second plurality of inverters. A second terminal of the second plurality of capacitors is coupled to an output terminal of a corresponding one of the first plurality of inverters. The oscillator is configured to provide as an output a differential clock signal. | 2010-07-15 |
20100176890 | System and Method for Characterizing Process Variations - A system and method for characterizing process variations are provided. A circuit comprises a plurality of inverters arranged in a sequential loop, and a plurality of transmission gates, with each transmission gate coupled between a pair of serially arranged inverters. Each transmission gate comprises a first field effect transistor (FET) having a first channel, and a second FET having a second channel. The first channel and the second channel are coupled in parallel and a gate terminal of the first FET and a gate terminal of the second FET are coupled to a first control signal and a second control signal, respectively. | 2010-07-15 |
20100176891 | SINGLE-PIN RC OSCILLATOR - Apparatus includes a single-pin input interface, which is operative to sense a voltage across a capacitor of a Resistor-Capacitor (RC) network in which the capacitor is repetitively charging and discharging so that the voltage oscillates as a function of time. A measurement circuit is coupled to measure time durations in which the capacitor is charging and in which the sensed voltage lies between first and second predefined thresholds. A clock generation circuit is coupled to generate an output clock signal having a frequency, and to adjust the frequency responsively to the measured time durations. | 2010-07-15 |
20100176892 | Ultra Low Power Oscillator - A low power oscillator is disclosed in one embodiment of the invention as including a Schmitt trigger having an input, an output, and an input stage coupled to the input. The input stage may include multiple transistors connected in series between a power source and ground. A switch, controlled by the output of the Schmitt trigger, may be connected in series with the multiple transistors. The switch is configured to interrupt shoot-through current passing through the transistors when the transistors are turned on at the same time. In certain embodiments, the switch may reduce the shoot-through current by substantially half. | 2010-07-15 |
20100176893 | MODULATION DEVICE AND PULSE WAVE GENERATION DEVICE - Provided is a modulation device including a signal selection circuit selecting two carrier signals from a plurality of carrier signals having the same frequency and the same phase difference according to a defined control signal and outputting the selected carrier signals, and a phase interpolator adjusting the phase in smaller units than the phase difference between the plurality of carrier signals according to the control signal and modulating the frequency or the phase of the carrier signal into a baseband signal based on the carrier signals selected by the signal selection circuit to generate a carrier wave signal. | 2010-07-15 |
20100176894 | TRANSMISSION LINE CONVERTER - A transmission line converter in which a rectangular waveguide provided under a transmission line may be reduced in size. The transmission line converter includes: a rectangular waveguide; a slot provided in a wall surface of the rectangular waveguide; and a transmission line which extends in a direction of a tube axis of the rectangular waveguide and includes signal conductors and a ground conductor, the slot is provided in a narrower wall surface of the rectangular waveguide and has a shape in which a central portion of the slot includes an oblique portion to the tube axis of the rectangular waveguide and at least one of both end portions of the oblique portion includes a portion parallel to the tube axis of the rectangular waveguide, and the wall surface of the rectangular waveguide in which the slot is provided is a part of the ground conductor. | 2010-07-15 |
20100176895 | CIRCUIT COMPRISING A VOLTAGE-DEPENDENT COMPONENT AND METHOD FOR OPERATING THE CIRCUIT - A circuit is proposed by means of which a ceramic component having two electrodes can be provided with a uniform, but periodically alternating BIAS voltage. The component has properties dependent on the level of the BIAS voltage and, for the purpose of an increased service life, is connected to a generator for generating a BIAS voltage and to means for periodically reversing the polarity of the BIAS voltage present at the electrodes. In a method for operating the component having variable properties, a uniform BIAS voltage, the polarity of which is periodically reversed, however, is applied to the electrodes, and the service life of the component is thus increased. | 2010-07-15 |
20100176896 | High frequency electrical connector - A coaxial to transmission line connector has a connector and an attachment area with a windowed electrical attachment point that when soldered in place on a ground reference of an electrical device, creates an electrical and mechanical connection between an outer conductor of the coaxial to transmission line connector. The attachment area has at least one mechanical alignment point and a corresponding reference pivot point located substantially co-planar at the termination of the coaxial dielectric region at an edge of a PCB and a port of the coaxial to transmission line connector. The at least one mechanical alignment point and the corresponding reference pivot plane serve to automatically align the coaxial to transmission line connector to the electrical device. Opposite the attachment area is a dielectric area following termination of the outer conductor in the transition area of the microstrip transmission line. | 2010-07-15 |
20100176897 | MEMS RESONATOR DEVICES - The invention relates to MEMS devices. In one embodiment, a micro-electromechanical system (MEMS) device comprises a resonator element having a circumference, an anchor region, and a plurality of beam elements coupling the anchor region and the resonator element. Further embodiments comprise additional devices, systems and methods. | 2010-07-15 |
20100176898 | MEMS DEVICE AND METHOD FOR MANUFACTURING THE SAME - A micro electro mechanical systems (MEMS) device includes a substrate and a MEMS structure formed on the substrate. In the device, the MEMS structure includes an operation structure including a support portion formed on the substrate and a movable portion that is extended from the support portion and movable above the substrate. The movable portion has a section minimum portion whose a sectional area orthogonal to a direction toward the movable portion from the support portion is smaller than a sectional area of the movable portion located on each side of the section minimum portion. The section minimum portion is formed by a boundary pattern provided to a planar pattern of the operation structure. | 2010-07-15 |
20100176899 | COMPONENT HAVING STRESS-REDUCED MOUNTING - A component ( | 2010-07-15 |
20100176900 | SURFACE ACOUSTIC WAVE RESONATOR AND LADDER-TYPE FILTER - A surface acoustic wave resonator is constructed such that cross widths of an IDT electrode are weighted so that the cross widths are reduced as they move outward in the surface acoustic wave propagation direction, an inner edge of a first bus bar includes inclined portions that are inclined so that the inner edge is spaced a predetermined distance away from an envelope portion adjacent to the first bus bar, an inner edge of a second bus bar includes inclined portions that are inclined so that the inner edge is spaced a predetermined distance away from an envelope portion adjacent to the second bus bar, and the sum N of the numbers of electrode fingers and dummy electrodes that are crossed by a straight line extending from the tip of at least one of the electrode fingers in the surface acoustic wave propagation direction is at least N. | 2010-07-15 |
20100176901 | BALANCED ACOUSTIC WAVE FILTER DEVICE AND COMPOSITE FILTER - In an acoustic wave filter device, first and second acoustic wave filter elements are connected in parallel to an unbalance terminal. Of first to third IDTs, the second and third IDTs are connected to a first balance terminal. Of fourth to sixth IDTs, the fifth and sixth IDTs are connected to a second balance terminal. The first ground terminal is arranged at a position close to the side of the unbalance terminal and shifted to the side of the first acoustic wave filter element. The third ground terminal is arranged in a point-symmetric relationship relative to the first ground terminal with respect to a middle point between the first and second acoustic wave filter elements. | 2010-07-15 |
20100176902 | Magnetic Drive System for a Switching Device - A magnetic drive system for switchgear has a magnet yoke in which a solid armature made of a magnetic material is guided in a linearly displaceable manner between two opposing end positions. The magnetic drive system further has at least one permanent magnet for generating a magnetic flux in the magnet yoke and at least one coil by which the armature can be moved back and forth between the end positions thereof. The armature is provided with elongated hollow channels for preventing eddy current losses. So as not to excessively reduce the stability of the armature by the channels made therein, the channels in the armature are configured in a closed fashion on the circumference thereof. | 2010-07-15 |
20100176903 | MULTI FUNCTION MAGNETIC DECOUPLER - A magnet assembly for decoupling a plurality of different types of magnetically operated security devices includes a center pole magnet having a magnetic orientation along a first direction. A plurality of magnets adjacent to and surrounding the center pole magnet define an opening above the center pole magnet. Each adjacent magnet has a magnetic orientation orthogonal to the first direction. An end pole magnet is disposed adjacent to one of the magnets adjacent to the center pole magnet. The end pole magnet has magnetic orientation opposed to the first direction. | 2010-07-15 |
20100176904 | CURRENT DETECTION PRINTED BOARD, VOLTAGE DETECTION PRINTED BOARD, AND CURRENT/VOLTAGE DETECTOR USING SAME, AND CURRENT DETECTOR AND VOLTAGE DETECTOR - A current detection printed board includes: a board having a penetration hole that penetrates the board; and at least one wire that is formed in a coiled shape having both ends by penetrating the board along the periphery of the penetration hole and alternately connecting a front surface layer and a rear surface layer of the board, wherein, when a conductor, in which an AC current flows, is disposed to pass through the inside of the penetration hole, a current flowing in the wire is output through electromagnetic induction. | 2010-07-15 |
20100176905 | Magnetic Device Having a Conductive Clip - A magnetic device that includes a magnetic core having a surface facing a conductive substrate. The magnetic device also includes a conductive clip facing a surface of the magnetic core with ends of the conductive clip electrically coupled to the conductive substrate to cooperatively form a winding therewith about the magnetic core. | 2010-07-15 |
20100176906 | TRANSFORMER - A transformer includes a frame type iron core having plate-shaped magnetic members. At least one of the plate-shaped magnetic members has a large width and forms a magnetic circuit in which a magnetic flux is concentrated. Each of the plate-shaped magnetic members includes magnetic member pieces. Each adjacent pair of end surfaces of the magnetic member pieces are joined together to form a joint portion. Three or more joint portions, each of which is formed, by joining together adjacent end surfaces of an adjacent pair of the magnetic member pieces included in the plate-shaped magnetic member having the large width, are shifted from each other in the direction of a magnetic path of the magnetic circuit to increase an effective cross sectional area of the magnetic path. The magnetic member pieces included in the plate-shaped magnetic member having the large width have a high magnetic permeability to reduce a magnetic resistance of the magnetic circuit. This configuration contributes to suppressing an increase in the material cost of the frame type iron core and an increase in the number of processes for manufacturing the frame type iron core and reducing a no-load loss. | 2010-07-15 |
20100176907 | TRANSFORMER, SWITCHING POWER SUPPLY DEVICE, AND DC-DC CONVERTER DEVICE - The transformer includes: first and second cores each including a magnetic center leg and a magnetic outer leg positioned outside of the magnetic center leg; a first adhesion part that adheres the magnetic center leg of the first core and the magnetic center leg of the second core to each other; a second adhesion part that adheres the magnetic outer leg of the first core and the magnetic outer leg of the second core to each other; a bobbin inserted through the magnetic center leg of the first core and the magnetic center leg of the second core, a primary coil and a secondary coil being wound on the bobbin; and an elastic member that applies pressure to the magnetic outer leg of the first core and the magnetic outer leg of the second core in a neighborhood of the second adhesion part, in an inward direction of the transformer. | 2010-07-15 |
20100176908 | COIL DEVICE - A coil device is provided which has a small loss in a high-frequency band even if it has an air core or a core material used is not of so high quality when it has a core, generates little magnetic extraneous radiation, has a stable frequency characteristic of an inductance, and can be manufactured at low cost. What is formed by winding a linear conductor around two axes which are parallel with each other to be in a substantially S-shape as a whole by one turn with winding directions made different is set as one layer of unit winding, the unit windings are stacked in a plurality of layers while aligning the axes, and the unit windings of all layers are electrically connected in series. | 2010-07-15 |
20100176909 | COIL COMPONENT AND POWER-SUPPLY DEVICE PROVIDED THEREWITH - The coil component includes a magnetic core | 2010-07-15 |
20100176910 | FUSIBLE ALLOY ELEMENT, THERMAL FUSE WITH FUSIBLE ALLOY ELEMENT AND METHOD FOR PRODUCING A THERMAL FUSE - The invention relates to a fusible alloy element ( | 2010-07-15 |
20100176911 | Fuse of Semiconductor Device - A method for manufacturing a fuse of a semiconductor device comprises forming an island-type metal fuse in a region where a laser is irradiated, so that laser energy may not be dispersed in a fuse blowing process, thereby improving repair efficiency. | 2010-07-15 |
20100176912 | MOUNTING STRUCTURE FOR A SENSOR - A mounting structure ( | 2010-07-15 |
20100176913 | METHOD FOR MANUFACTURING RECTANGULAR PLATE TYPE CHIP RESISTOR AND RECTANGULAR PLATE TYPE CHIP RESISTOR - There is provided a method for manufacturing rectangular plate type chip resistors which provides easy and convenient control of resistance, and easy and low cost manufacture of rectangular plate type chip resistors having a reliable electrode structure, as well as a rectangular plate type chip resistor obtained by this method and having excellent properties particularly at low resistance. The method includes the steps of (A) providing a resistive alloy plate strip | 2010-07-15 |
20100176914 | Control and Signaling Device for Vehicles - Describes an electronic device for controlling and signaling in automotive vehicles, preferably fastened onto the user's body. The remote device and object of the present invention | 2010-07-15 |
20100176915 | Remote control communication system - The present invention relates to remote control communication system that uses electromagnetic waves to communicate with and send commands to operate receiving devices. In a preferred embodiment of the present invention, the remote control communication system relates to a cellular telephone device that has been equipped with the necessary hardware and software to allow a user of the cellular telephone to communicate with certain devices that can be located within a building or similar structure such that the communications act to control activate, deactivate, monitor, or control the operation of the interior devices through an interface that can use the electromagnetic waves to operate the controlled devices. | 2010-07-15 |
20100176916 | ASSET SECURITY SYSTEM AND ASSOCIATED METHODS FOR SELECTIVELY GRANTING ACCESS - An automated asset management and security system for providing selective authorized access to an asset disposed within or associated with a remotely located lockable device, including: a control console, including: a processor executing one or more algorithms operable for identifying a user, authorizing a predetermined level of access based upon the identity of the user, receiving a command from the user to provide access to the asset disposed within or associated with the remotely located lockable device, and generating a corresponding command for the lockable device; and a communications channel for delivering the corresponding command to the lockable device; wherein the lockable device includes: a controller having a unique address executing one or more algorithms for implementing the corresponding command and implementing the translated command; and an actuation mechanism operable for selectively providing access to the asset disposed within or associated with the remotely located lockable device responsive to the corresponding command. The processor further executes one or more algorithms operable for identifying the user based on acquired biometric data. The processor further executes one or more algorithms operable for recording the identity of the user and the time and nature of the received command. Optionally, the communications channel is a wireless communications channel. Preferably, the lockable device further includes one or more switches operable for detecting the status of the lockable device in terms of whether or not the lockable device is in an access granted, access denied, or alert status. The processor further executes one or more algorithms operable for recording the detected status of the lockable device. | 2010-07-15 |
20100176917 | Access Control System - An access controlled storage device may include multiple doors, each having a different lock, to insure safety and security of the contents of the storage device. In one example, the access controlled storage may include a first outer door having a physical lock and a second interior door having an electronic lock. The physical lock and the electronic lock may require different keys. Additionally or alternatively, unlocking the interior door may require unlocking of the first door in an authorized manner. Access and inventory data may be transmitted to or received from remote devices through wireless communication networks. | 2010-07-15 |
20100176918 | Identification and tracking of information stored on radio frequency identification devices - A method and apparatus for detecting and tracking an object within a defined area, and determining its position, status, movement and identity therein, includes interrogating the defined area to communicate with an information device associated with an object and transmit information received to a master controller unit, which determines the object's presence, position, status, movement and identity within the defined area. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or the meaning of the claims. | 2010-07-15 |
20100176919 | ONE-TIME ACCESS FOR ELECTRONIC LOCKING DEVICES - Systems and methods for providing one-time access to electronic locking devices for non-keyholders. The one-time access rights are delivered from a server to the electronic locking device in real-time, or in near-real time, over short and long-range wireless communication links in a manner that is secure and traceable. A handheld device is coupled with the electronic locking device via the short-range communication link, and is coupled with the server via a long-range wireless communication link. | 2010-07-15 |
20100176920 | METHOD AND DEVICE FOR PROVIDING DIGITAL SECURITY - This invention relates to a method and system for providing digital security by means of a reconfigurable physical uncloneable function, RPUF. The RPUF comprises a physical system constituted by distributed components arranged to generate a first response when receiving a first challenge at a point of the physical system. The physical reconfiguring of the RPUF comprises redistributing the components such that they generate a second response, which differs from said first response, when again applying the first challenge at the point. The reconfiguration step is further utilized in providing secure storage for digital items. The digital item is data of any kind, including data that needs to be accessed and updated, i.e. which is dynamic in nature. The method is exemplified by implementations such as secure storage of a key, a secure counter and a seed generator. | 2010-07-15 |
20100176921 | DETERMINING SPEEDS OF RADIO FREQUENCY TAGS - The present disclosure is directed to determining speeds of radio frequency tags. In some implementations, a method includes sampling a Radio Frequency (RF) signal from an RFID tag at a plurality of different times as the RFID tag approaches an RFID reader and recedes from the RFID reader. A phase of the RF signal is determined for each of the plurality of different times based, at least in part, on the sampled RF signal. A speed of the RFID tag is determined based, at least in part, on the determined phase for the sampled signal for each of the plurality of different times. | 2010-07-15 |
20100176922 | MOBILE RADIO FREQUENCY IDENTIFICATION (RFID) READER SYSTEM - A mobile radio frequency identification (RFID) reader system is provided. The RFID reader system includes an RFID reader. The RFID reader system further includes a primary antenna for transmitting RFID signals to acquire RFID information from RFID item tags and a secondary antenna for transmitting RFID signals to acquire RFID information from one of RFID shelf tags and RFID floor tags. | 2010-07-15 |
20100176923 | WIRELESS TRANSMISSION APPARATUS AND METHOD - A wireless transmission apparatus for transmitting electrical energy and a data stream between a base electronic device and a portable electronic device. The wireless transmission apparatus includes a mobile transceiver installed in the portable electronic device and a base transceiver installed in the base electronic device. Each of the mobile transceiver and the base transceiver includes a storage unit for storing data, an encoder unit for encoding a data stream into data and decoding data into a data stream, a power supply unit for supplying electrical energy, a convertor unit for converting a direct current into an alternating current and converting an alternating current into a direct current, a modem unit for modulating an alternating current in accordance with a data stream and demodulating an alternating current to a obtain data stream carried by the alternating current, and an induction unit for transmitting and receiving a modulated alternating current. | 2010-07-15 |
20100176924 | RFID System with Improved Tracking Position Accuracy - In one embodiment the present invention includes a radio frequency identification (RFID) system. The RFID system includes a reader system that generates electromagnetic energy, reader antennas that communicate information with RFID tags using the electromagnetic energy, switches that are coupled to the reader antennas. The reader system selectively controls the switches to short adjacent reader antennas. In this manner, the target (RFID tag) may be located with improved positional accuracy. | 2010-07-15 |
20100176925 | Method and Apparatus for Surgical Instrument Identification - Systems and methods for identifying surgical instruments by use of radio-frequency identification tags (RFID) are disclosed. In the systems and methods, each of a plurality of surgical instruments is provided with at least one RFID transponder tag storing identification information associated with the corresponding instrument. The tag may be adhered to, embedded, or potted within a portion of the instrument. Using an RFID reading device, a user may interrogate the tag, thereby identifying the particular instrument. This identification information may be used to index a database and retrieve a data record unique to that instrument. The systems and methods allow a user to track, inspect, and verify inbound and outbound surgical instruments, to assess, for example, the surgical instruments' duty life cycle usage. | 2010-07-15 |
20100176926 | TIME SLOT ALLOCATION APPARATUS AND METHOD FOR PREVENTING COLLISIONS BETWEEN TIME SLOTS IN TDMA-BASED RFID NETWORK - The present invention relates to a time slot allocation apparatus and method for preventing collisions between time slots in a TDMA-based RFID network. The time slot allocation apparatus allocates time slots, obtained by dividing a same frequency band into unit time slots, to RFID readers for reading identification codes of RFID tags ( | 2010-07-15 |
20100176927 | Device and Method for Analysing Radio-Frequency Systems - The invention relates to a device for analysing radio-frequency systems. Such a device comprises means for detecting radio-frequency electromagnetic signals, and means for determining at least one analog property of the radio-frequency signal received form the reader. According to the invention, the device further comprises means for producing an electromagnetic excitation signal in order to excite the radio-frequency tag, and means for determining at least one analog property of the return signal received from the radio-frequency tag. The device permits the effective analysis of RFID systems, for example, in system-installation and error-searching situations. | 2010-07-15 |
20100176928 | APPARATUS FOR COMMUNICATING WITH RFID TAG - This disclosure discloses an apparatus configured to conduct radio communication with at least one RFID tag having a reversible flag capable of being reversed at response; communication area switching portion capable of sequentially switching and generating a plurality of modes of communication areas from the antenna device; flag unification command transmitting portion configured to transmit a flag unification command for unifying the reversible flag of the RFID tag present within the communication area to a state before reverse to the RFID tag present in each mode of the communication area sequentially generated by the communication area switching portion through the antenna device; and reading command transmitting portion configured to transmit a reading command for obtaining information stored in the RFID tag to the RFID tag after the flag unification command is transmitted to the RFID tag in the plurality of modes of communication area. | 2010-07-15 |
20100176929 | Efficient Protocol for Reverse Direction Data Transmission - A method, system, and computer program product for wireless communication between an initiator station and a responder station. The method includes assigning a transmit window having a predefined window duration to the initiator; sending a request-to send signal (S | 2010-07-15 |
20100176930 | ACTIVE TAG APPARATUS, COMMUNICATION APPARATUS AND SYSTEM - A communication apparatus and an active tag apparatus that conduct radio communication with for data transmission and reception by radio with each other are provided. A frequency designation data including local transmission frequency used for data transmission and specifying data on a frequency of a carrier sense to be carried by the active tag apparatus is provided. A controller commands the active tag apparatus to use the frequency designation data for radio communication. | 2010-07-15 |
20100176931 | IDENTIFYING A PLURALITY OF DEVICES - A method and apparatus of identifying a plurality of devices connected along a common communications link is disclosed. A control station scans the devices by sending a succession of interrogation signals along the communication link, the interrogation signals comprising a representation of the identification numbers of the devices. A first scan is carried out with interrogation signals identifying a first level of the range of identification numbers, and each device is programmed to generate, and to send to the control station, a response signal that comprises its complete identification number and a checksum, upon receipt of a scan signal applicable thereto. Successive scans are carried out by the control station, adding the next higher level of the range of identification numbers, wherein upon completion of a scan that does not give rise to invalid responses, the previously-paused scan is resumed. | 2010-07-15 |
20100176932 | MAIL ALERT SYSTEMS AND PROCESS - A process for receiving, assigning/cataloging, distributing, and notifying regarding mail parcels. An exemplary process may include (1) receiving mail such as bulk mail, correspondence, certified mail, and packages; (2) assigning/cataloging a classification code to each parcel of mail based on the type of mail (as ascertained based on the name of the sending party/business) with classification codes such as legal, medical, perishables, etc., (3) distributing the mail to the intended recipient; and (4) notifying the recipient of the delivery and type of mail parcel. In some processes, the notification of the recipient may be automated such that when the parcel is placed in or near a box or receptacle assigned or reserved by the recipient, a machine may read the classification code and then automatically transmit the information to the recipient. | 2010-07-15 |
20100176933 | REMOTELY MONITORING FIELD ASSETS - Disclosed methods, systems, and apparatuses remotely monitor a plurality of field assets. Device discovery is conducted to find a communication path through a master controller to an operations center. A plurality of states are monitored for individual field assets of the plurality of field assets. In response to trigger events, monitored states are selectively included in data sets that may be parsed, compressed, encrypted, and forwarded through a mesh network to an operations center. | 2010-07-15 |
20100176934 | RADIO FREQUENCY CHARGING SYSTEM - A radio frequency (RF) charging system is capable of charging an RF device on a display panel to increase charging efficiency. The RF device generates a response signal upon receiving an RF signal. The RF charging system includes an antenna set having a plurality of antennas, a switch unit, an RF module and a microcontroller unit (MCU). The MCU controls the switch unit to select one antenna from the antenna set. The antenna is able to receive the response signal and is used for transmitting the RF signal, thereby charging the RF device. | 2010-07-15 |
20100176935 | PRE-AUTHENTICATED IDENTIFICATION TOKEN - An identification token such as a proximity payment device may be integrated with a wristwatch. For security purposes, the identification token may be disabled when removed from the user's wrist. The identification token may be re-enabled by interaction with a docking station or personal computer at the user's residence. | 2010-07-15 |
20100176936 | APPLICATIONS FOR RADIO FREQUENCY IDENTIFICATION SYSTEMS - The present invention relates to RFID devices, including handheld RFID devices, and applications for such devices. The devices and applications may be used in connection with items that are associated with an RFID tag, and optionally a magnetic security element. The devices and applications are described with particular reference to library materials such as books, periodicals, and magnetic and optical media. | 2010-07-15 |
20100176937 | HARDWARE CONTINUITY LOOP FOR PREVENTING VEHICLE MISAPPROPRIATION - The specification and drawing figures describe and show a hardware continuity loop that is installable in a vehicle for preventing vehicle misappropriation. In one embodiment, the hardware continuity loop includes a plurality of cables that is operatively connected across selected components of a mobile computing platform, and a relay for controlling vehicle response to an attempted vehicle misappropriation. In another embodiment, the hardware continuity loop includes as detection circuit located in the mobile application server adapted to process a signal on sensing vehicle misappropriation, a plurality of programmable general purpose modules, and one or more low side drivers, for causing a vehicle response to attempted vehicle misappropriation. | 2010-07-15 |
20100176938 | GAUGE DEVICE - Provided is a gauge device that can provide innovativeness to representation during an operation of effect creation, and can improve the marketability and designability. A gauge device | 2010-07-15 |
20100176939 | Opitcal Wireless Sensor Network - A wireless sensor network including a receiver including a photodetector, and a sensor node that includes a sensor configured to sense a property, a transmitter configured to emit outgoing optical energy, the outgoing optical energy being indicative of the property, and a photodetector configured to harvest incoming optical energy and convert the incoming optical energy into electrical energy useful by the transmitter, wherein the photodetector of the receiver is positioned to receive the outgoing optical energy. | 2010-07-15 |
20100176940 | METHOD AND APPARATUS FOR DETERMINING THE LOCATION OF A NODE IN A WIRELESS SYSTEM - During operation, a node ( | 2010-07-15 |
20100176941 | METHOD AND SYSTEM FOR FACILITATING AUTOMATED NAVIGATION IN A HEALTHCARE ENVIRONMENT - A method and system for facilitating automated navigation in a healthcare facility. The navigation system comprises: a healthcare information system configured to have access to at least patient information, healthcare resource information and healthcare facility information; and an identification device provided to a patient in the healthcare facility, configured to communicate at least the current location of the patient to the hospital information system. The identification device and the healthcare information system interact with each other for generating and providing at least navigation information to the patient. | 2010-07-15 |
20100176942 | BABY MONITORING SYSTEMS - There is provided a baby monitoring system comprising a baby unit and a parent unit, the baby unit being for use in the vicinity of a baby or child, the baby unit detecting noise and transmitting a corresponding stream of audio samples to the parent unit, the parent unit comprising a visual indicator; and a processor for analyzing the stream of audio samples to determine a noise history and for providing a first control signal to the visual indicator such that the visual indicator provides a visual indication of the noise history. | 2010-07-15 |
20100176943 | PRE-SELECTION DISPLAY OF ALERTS IN AN ORDER ENTRY SYSTEM - An order entry system is described which displays items together with visual attributes that correspond to respective alerts. The visual attributes provide pre-selection guidance to a user in choosing from among the items without deluging the user with a cumbersome series of post-selection alerts. In one illustrative case, the items that are displayed correspond to drug-related items. In this case, one purpose of the order-entry system is to prescribe drug-related items to a patient. | 2010-07-15 |
20100176944 | LIFT APPARATUS - A lift apparatus configured to move a passenger platform of the lift apparatus between a first position and an elevated second position. A stairway of the example lift apparatus may be used as a stairway when the passenger platform is arranged in the first position. As the passenger platform is raised to the elevated second position, hinged steps of the stairway are transformed into a horizontal surface. | 2010-07-15 |
20100176945 | DETACHABLE CARRIAGE FOR MERCHANDISE SECURITY SYSTEM - A sensor for a merchandise security system for displaying an article of merchandise includes a sensor housing, a detachable carriage releasably attached to the sensor housing, and an alarm for indicating when the article of merchandise is displaced from the detachable carriage or when the detachable carriage is detached from the sensor housing. The detachable carriage includes a carrier having a fastener for attaching the article of merchandise to the detachable carriage and a switch that is movable between an extended position and a retracted position when the article of merchandise is attached to the detachable carriage. The sensor housing includes a contact plate for biasing the switch in the extended position and an electrical contact for completing an electrical circuit with the alarm when the detachable carriage is attached to the sensor housing. The carrier is slidable within the detachable carriage for positioning the article of merchandise relative to the sensor housing. | 2010-07-15 |
20100176946 | SYSTEM AND METHOD FOR PREVENTING PORTABLE TERMINAL FROM BEING LEFT, AND PORTABLE TERMINAL - A system for preventing a portable terminal from being left is characterized in that the portable terminal sounds an alarm when a signal from a wireless terminal can no longer be received, terminates sounding of the alarm after a predetermined amount of time passes, and makes a transition to a lock standby state. | 2010-07-15 |
20100176947 | SYSTEM AND METHOD FOR DETECTION OF EAS MARKER SHIELDING - A system for detecting electronic article surveillance marker shielding includes electronic article surveillance (“EAS”), metal detection and video analysis subsystems communicatively coupled to a system controller. The EAS subsystem detects EAS markers within a detection zone. The metal detection subsystem detects metallic objects within the detection zone. The video analysis subsystem captures a video image of the metallic object. The system controller determines a probable classification for the metallic object and calculates a confidence weight for the probable classification. If the metallic object is identified as EAS marker shielding according to the probable classification and the corresponding confidence weight, an alert is generated. | 2010-07-15 |
20100176948 | METHDS AND SYSTEMS FOR ACTIVATING A PROXIMITY INFORMATION DEVICE - A proximity information device includes a body, a radio frequency identification (RFID) integrated circuit (IC) supported by the body, and a threshold detector coupled to the RFID IC. The RFID IC is operative to transmit a response message in response to an interrogation signal if the threshold detector indicates that a detected magnetic and electric field and the relative strength of magnetic field compared to the electric field satisfy a predetermined threshold. | 2010-07-15 |
20100176949 | MOBILE SURVEILLANCE - In some embodiments, a technique for logging an item encountered by a mobile device comprises automatically detecting an item in an uncontrolled environment, extracting an identity associated with the item, logging an encounter, wherein the encounter includes the identity, and deleting the encounter after a predetermined period of time has elapsed, wherein the encounter is not marked as relevant. | 2010-07-15 |
20100176950 | VENDING ENCLOSURE RECOVERY METHOD AND SYSTEM - A tracking system and method provide updated location and status information of a vending machine even after the vending machine is moved from its installed location. This allows law enforcement to use the updated location information to locate and recover the vending machine and the assets contained therein during a theft or in other security breach situations. A method also provides for automatically assigning the vending machine to an installation location using the location and status information from the vending machine. | 2010-07-15 |
20100176951 | SURVEILLANCE DEVICE - A surveillance device in the form of an EAS tag ( | 2010-07-15 |
20100176952 | SYSTEM FOR DETECTION OF BODY MOTION - An approach for determining motions of a body using distributed sensors is disclosed. In one embodiment, an apparatus can include: a plurality of sensors coupled to a body, where each sensor is positioned at about a designated location on the body, and where each sensor is configured to acquire motion data related to movement of the designated location on the body and at which the sensor is positioned, and to reduce the motion data into compressed and transmittable motion data; and a base station configured to receive the compressed motion data via wireless communication from at least one of the plurality of sensors, the base station being further configured to remove outlier information from the received motion data, and to match the received motion data to a predetermined action, where the predetermined action indicates a movement of the body. | 2010-07-15 |
20100176953 | Orientation System And Method - An orientation system for a visually impaired user which includes a base station and a handset; said base station is attached close to an item that the user wishes to orientate themselves to; the base station is configured to emit a beam which is unable to penetrate solid objects and which has a centreline; the handset is configured to detect the beam and generate an output which the user can use to determine the edges of the beam and thus orientate approximately with the centreline. | 2010-07-15 |
20100176954 | SYSTEM AND METHOD FOR STARTLING ANIMALS - A device is disclosed which is configured to startle certain pests which may cause a variety of problems in certain areas of a home or workplace. By limiting the action of the pests, or removing the pests from the area, the invention may prevent the destruction of property, minimize animal droppings, and minimize the spread of disease. The invention may include an external shell in the shape of any desired animal which may be on a swivel base and include lighting, wherein the external shell also covers internal mechanical, electronic and electrical components. The components are configured to move parts of the animal shell and move other items attached to the shell. The movement may be a result of a motion detector detecting an undesirable pest, programmable timer, a remote control device operated within the safety of a home or by other sensors. The system may also include a remote control, Wi-Fi, IP address, webcam, modem, dial-in activation, voice activation, and timers. | 2010-07-15 |
20100176955 | High-Tech Animal Training System - Described is a high-tech animal training system for delivering a stimulus to an animal and for providing a user with information relating to the ambient environment and to the operation of the animal training system, the information enabling the user to monitor and maintain the health and well-being of the animal. The animal training system delivers a stimulus to the animal such that the user is able to correct any undesired behavior exhibited by the animal and to reward any desired behavior exhibited by the animal. Additionally, the animal training system detects at least one an ambient condition and indicates the detected condition such that the user perceives the indication and is able to take action in protecting the animal from any detrimental conditions. The animal training system is also capable of storing data relating to the operation of the system and/or storing data input by the user. | 2010-07-15 |
20100176956 | Device for detecting a body fall into a pool - This invention relates to a water condition indication system for a swimming pool comprising a water condition sensor ( | 2010-07-15 |
20100176957 | Photoelectric Smoke Detector - A photoelectric smoke detector may detect presence of smoke by utilizing a light emitting element and a light receiving element whose optical axes intersect with each other. The photoelectric smoke detector may include a casing for storing the light emitting element and the light receiving element. Inlet and outlet ports may be respectively provided in one and the other sides of the casing, the inlet and outlet ports bringing air flow into the casing. Rectifying light blocking means may be provided contiguously with each of the inlet and outlet ports, the rectifying light blocking means preventing entry of disturbance light into an interior space and forming a flow line of smoke extending from one or the other inlet and outlet port to the other or the one inlet and outlet port such that the flow line passes through a detection area by the light emitting element and the light receiving element. | 2010-07-15 |
20100176958 | Electrically Adjustable Piece of Furniture and Method of Diagnosing an Operating State for an Electrically Adjustable Piece of Furniture - An electrically adjustable piece of furniture includes an adjusting device that includes at least one electrical drive, at least one control unit for activating the drive and at least one input device. A detection device detects at least one operating state of the adjusting device. A display device is arranged on the control unit and serves to indicate the operating state. | 2010-07-15 |
20100176959 | Air conditioner and reverse phase detection method thereof - An air conditioner and a reverse-phase detection method thereof are provided. According to the air conditioner and the reverse-phase detection method thereof, it is possible to perform reverse-phase detection in real time by subtracting the voltage of one of two phases arbitrarily selected from the phases of an input three-phase alternating voltage from the voltage of the other phase and determining whether the input three-phase alternating voltage is reversed based on sign information of a voltage obtained by the subtraction. Thus, it is possible to prevent an air conditioner from malfunctioning due to a reversed input three-phase alternating voltage and to facilitate the management of an air conditioner. | 2010-07-15 |
20100176960 | Branch current monitor with an alarm - A power meter for monitoring current in a power cable annunciates an alarm if the current transgresses one or more alarm current limits. False alarms are avoided by delaying the activation of the alarm for a delay interval following determination that current is flowing in the monitored conductor. | 2010-07-15 |
20100176961 | Cargo Loading Trailer - A cargo loading system for loading freight into or out of the cargo hold, the system comprising: a tilt control means which can be actuated by control signals in such a way that variances in tilt of a palletized load can be immediately righted; a control panel for actuation by personnel; a power source to the control panel; and a trailer base connected to the tilt control means for accepting freight. | 2010-07-15 |
20100176962 | CABLING SYSTEM AND METHOD FOR MONITORING AND MANAGING PHYSICALLY CONNECTED DEVICES OVER A DATA NETWORK - The present invention relates to a method and system configured to monitor devices that are physically connected over a data network, said system comprising at least one scanner configured to monitor said data network and to determine devices that are physically connected over said data network, said at least one scanner being connected to at least one panel over said data network, wherein at least one terminal of each panel is connected to an electronic circuitry, which comprises one or more electronic components, for enabling said at least one scanner to determine changes in one of voltage or current level over at least one of said one or more electronic components, said changes occurring due to connecting or disconnecting devices over said data network, thereby enabling said at least one scanner to monitor devices that are physically connected over said data network. | 2010-07-15 |
20100176963 | MULTIDIMENSIONAL VOLUME AND VIBRATION CONTROLS FOR A HANDHELD ELECTRONIC DEVICE - A system and method for adjusting a notification setting of a handheld electronic device is provided. The method includes receiving a request to adjust a notification setting which causes the electronic device to display a notification module on a display of the electronic device. The notification module includes a plurality of control portions each corresponding to a notification setting which can be adjusted within the corresponding control portion. The method further includes detecting a selection proximate to a control portion and inputting a notification setting change based upon a selection executed within one of the control portions. The notification setting is adjusted in response to the notification setting change. | 2010-07-15 |
20100176964 | INSPECTION SYSTEM AND INSPECTION METHOD - The article IDs of a mixture mounting pallet being shipped are read out collectively by means of an ID reader and collated with the ID list on a shipment table. IDs and their positions are stored on the shipment table and the positions of IDs not read out by means of the ID reader are displayed on a handy ID reader and confirmed by a worker using the ID reader. | 2010-07-15 |
20100176965 | Continuously-Arranged Sensor System, Network Unit, and Sensor Unit - A continuously-arranged sensor system is provided that can eliminate a shift in timing between a determination signal of each sensor unit and sensor information relating to the determination signal. The continuously-arranged sensor system includes a network unit and a plurality of sensor units, which are connected by a serial transmission line and a parallel transmission line. In accordance with a command sent from the network unit, each sensor unit transmits the determination signal and the sensor information, provided at the same time as the determination signal, to the network unit via the serial transmission line. Therefore, the network unit can obtain the determination signal and the sensor information exhibited at the same time. | 2010-07-15 |
20100176966 | METHODS AND SYSTEMS OF SIMULTANEOUSLY COMMUNICATING UTILITY DATA AND VOICE DATA - A method for communicating utility data includes receiving a voice signal and a data signal via a utility network, combining the voice signal and the data signal to form a communication signal, and transmitting the communication signal to a plurality of utility asset controllers and handheld devices via the utility network. | 2010-07-15 |
20100176967 | COLLECTING UTILITY DATA INFORMATION AND CONDUCTING RECONFIGURATIONS, SUCH AS DEMAND RESETS, IN A UTILITY METERING SYSTEM - In a data collection system having a utility data collector configured for remotely collecting utility data, a system includes one or more endpoints. Each endpoint has a utility meter, memory for storing at least utility consumption data from the utility meter, and a radio for transmitting a communication message to the utility data collector. The radio establishes a communication link between the endpoint and the utility data collector, and provides consumption data when a wireless communication channel quality test determines an adequacy of communications from the endpoint and the utility data collector (e.g. using RSSI). The utility meter sets a hold-off timer or other validity check and only performs subsequently received reset requests or other reconfigurations if the timer has expired or the validity check is valid. Other features are also disclosed. | 2010-07-15 |
20100176968 | Power Line Communication Apparatus and Method of Using the Same - The present invention provides a communication device for use with a power line communication system. One embodiment of the present invention forms a communication device that comprises a first wireless modem, a controller, a second modem, and a sensor module. The controller operates the sensor module to take power line parameter measurements such as measurements of the voltage and/or current, which may be wirelessly transmitted to a remote device by the first modem. In addition, the controller may compare the measurements with thresholds and transmit notifications if a measurement is beyond a threshold. Data may be received from one or more user devices, such as utility meters or computers, by the second modem and wirelessly transmitted upstream by the first modem. | 2010-07-15 |
20100176969 | SENSOR SYSTEM AND METHOD FOR OPERATING A SENSOR SYSTEM - A sensor system having a sensor module and an induction unit is provided, the sensor module having a first antenna, and the induction unit having a second and a third antenna, an induction transmission of signals being provided between the first and the second antenna, and the signals being sent and/or received electromagnetically by the third antenna. | 2010-07-15 |
20100176970 | Vehicle-mounted alarm generating apparatus - The vehicle-mounted alarm generating apparatus includes an extracting section configured to extract a road boundary marking representing a boundary of a lane from an image of a picture of a road surface ahead of a vehicle, a position setting section configured to set a first position and a second position more distant from the vehicle than the first position in accordance with extraction results by the extracting section, a first alarm generating section configured to generate a first alarm when a distance between the vehicle and the first position becomes shorter than a predetermined first distance, and a second alarm generating section configured to generate a second alarm, when a distance between the vehicle and the first position becomes shorter than a predetermined second distance. The configuration of the second alarm is different from that of the first alarm. | 2010-07-15 |
20100176971 | RFID PACKAGING AND ATTACHMENT METHODS AND DEVICES - One exemplary electrically conductive, RFID-enabled signage includes (1) an electrically conductive article including an opening and (2) an assembled device that is coupled to the electrically conductive article to provide RFID functionality to the electrically conductive article. One exemplary kit includes (1) an RFID IC arrangement including conductive leads adjacent to an integrated circuit; (2) an insert attached to the RFID IC arrangement; and (3) an attachment device capable of attaching the RFID IC arrangement-insert combination to an electrically conductive signage such that the RFID IC arrangement is positioned to span at least a portion of an opening in the signage and to electrically couple the integrated circuit to the electrically conductive signage. One exemplary method involves providing an assembled device including and RFID IC arrangement and an insert and coupling the assembled device with an electrically conductive signage. | 2010-07-15 |
20100176972 | METHOD AND DEVICE FOR MONITIONING AVIONICS SYSTEMS CONNECTED TO A SHARED MEDIUM - The invention relates to a method and a device for monitoring avionics systems connected to a shared medium. A preliminary phase is aimed at determining the conditions of activation of each alarm of each avionics system connected to the communication medium. These conditions are related to each avionics system and to the state of the communication medium. The monitoring phase comprises a step of determining the state of the elements of the communication medium and a step ( | 2010-07-15 |
20100176973 | INPUT DEVICE AND ELECTRONIC DEVICE PROVIDED WITH THE SAME - An input device with a hollow portion therein at a neutral position includes a return member capable of self-returning to the neutral position upon deformation, a magnetic member movable in three mutually-orthogonal axial directions accompanied with the deformation of the return member, and a plurality of magnetic sensors individually detecting the position of the magnetic member in the three axial directions with respect to the neutral position. The three-dimensional operation of the magnetic member may be easily detected by a simplified structure and the magnetic member is located with high accuracy. | 2010-07-15 |
20100176974 | LIGHT-EMITTING KEYBOARD - A light-emitting keyboard is disclosed, which comprises: a light guide plate, configured with a light entrance surface, a light emitting surface, a bottom surface and a side surface in a manner that the light emitting surface is arranged opposite to the bottom surface, and the light entrance surface and the side surface are arranged respectively next and connecting to the light emitting surfaced and the bottom surface while being sandwiched therebetween; a light source, disposed next to the light entrance surface of the light guide plate; a frame, disposed on the light emitting surface of the light guide plate; a first reflector, disposed on the bottom surface of the light guide plate; and a second reflector, disposed on the side surface of the light guide plate. With the aforesaid structure, light from the light source can be fully utilized so that the overall brightness of the light-emitting keyboard can be enhanced. | 2010-07-15 |
20100176975 | RD Converter and Angle Detecting Apparatus - An RD converter is disclosed that has a first multiplier multiplying a resolver signal S | 2010-07-15 |