| 36th week of 2009 patent applcation highlights part 18 |
| Patent application number | Title | Published |
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| 20090219139 | Power Harvesting for Actively Powered RFID Tags and Other Electronic Sensors - Material conveyance devices with actively powered Radio Frequency Identification (RFID) tags are described herein. The material conveyance devices motion is converted to electrical energy which is used to either recharge the RFID tags energy storage device or directly power the RFID tag. | 2009-09-03 |
| 20090219140 | COFFEE BREWER AND A CORRESPONDING NETWORK-BASED METHOD AND APPARATUS - A coffee brewing apparatus comprises a corresponding coffee brewer as well as a sensor that is configured and arranged to sense food components as used by that means for brewing coffee beverages. This coffee brewing apparatus then further comprises an external network interface that is configured and arranged to facilitate interfacing with a remote resource (or resources). The coffee brewing apparatus can further comprise an end user interface and a processor that is operably coupled to the sensor, the external network interface, and the end user interface and that is configured and arranged to independently use information regarding food components as are used by the means for brewing coffee beverages to facilitate obtaining corresponding responsive information from the remote resource and to then present that information to an end user via the end user interface. | 2009-09-03 |
| 20090219141 | PHASE HOPPING TO REDUCE INTERFERENCE AND IMPROVE RADIO FREQUENCY IDENTIFICATION (RFID) TAG THROUGHPUT - A radio frequency identification (RFID) reader outputs an interrogation signal, and hops/varies the phase of the interrogation signal sent by the RFID reader over time. Varying the phase of the interrogation signal enables the RFID reader to provide, for each zone of an RF field of the RFID reader, a particular phase that reduces of the effects of interference RF signal(s) present in that zone of the RF field. Reducing the interference in each zone of the RF field increases the throughput of RFID tags that can be successfully read by the RFID reader. | 2009-09-03 |
| 20090219142 | RFID SYSTEM AND METHOD OF TRANSMITTING LARGE DATA OF PASSIVE RFID - Provided are a radio frequency identification (RFID) system including an RFID reading apparatus and a passive RFID tag and a method of transferring and/or processing data using the same. An RFID reading apparatus includes a data input unit which receives data to be transferred to a passive RFID tag, a control unit which generates a transmission packet containing the data and a command directing data transfer, and a communication unit which converts the generated transmission packet into an RF signal and transfers the converted RF signal to the passive RFID tag. | 2009-09-03 |
| 20090219143 | READER CONTROL SYSTEM - An RFID reader control system and method is provided. A protocol for controlling an RFID reader and an RFID reader control unit of a mobile phone is defined. Messages, information, commands, responses, and notification are constructed and transmitted between the RFID reader and the RFID reader control unit. | 2009-09-03 |
| 20090219144 | Method of Utilizing Parametric Reflective Technology - A system and method for encoding and decoding information by use of radio frequency antennas. The system includes one or more interrogator devices and RFID data tags. The RFID data tags include a plurality of antenna elements which are formed on a substrate or directly on an object. The antenna elements are oriented and have dimensions to provide polarization and phase information, whereby this information represents the encoded information on the RFID tag. The interrogator device scans an area and uses radar imaging technology to create an image of a scanned area. The device receives re-radiated RF signals from the antenna elements on the data tags, whereby the data tags are preferably represented on the image. The re-radiated RF signals preferably include polarization and phase information of each antenna element, whereby the information is utilized using radar signal imaging algorithms to decode the information on the RF data tag. | 2009-09-03 |
| 20090219145 | INTEGRATED BUILDING DEVICE MONITORING NETWORK - An electrical device for installation within a building is described. Accordingly, the device may comprise a mounting arrangement configured to mount the device within the building. A location module is provided to monitor a location of the device within the building and a power monitor is provided to monitor power consumption of an electrical appliance connectable to the device. The device further includes a communication module configured to interface the electrical device to a communications network and to communicate the location and the power consumption via the communications network. In an example embodiment, the communications network is connectable to a system controller that is operable to communicate with a plurality of the electrical devices to control operation of the electrical devices. The device and the system controller may form part of a building management system. | 2009-09-03 |
| 20090219146 | Networked Computer Alert System - An alert system for users of networked computers is described. The alert system includes local software installed on the user's personal computing device, such as personal computers, cell phones and personal data assistants as well as server software. The system allows for both anonymous and non-anonymous rapid communication from the user upon a triggering event of harassment or other actions while accessing the Internet using the personal computing device. The system includes flexible and customizable communication to a variety of pre-selected recipients by a variety of communication means. | 2009-09-03 |
| 20090219147 | OBJECT DETECTION SYSTEM - There is provided an object detection system for a tractor ( | 2009-09-03 |
| 20090219148 | WIRELESS VEHICLE TRAILER MONITORING AND CONTROL SYSTEM - A wireless trailer monitor and control system is configured to monitor and control various electrical system within a trailer. The system employs a wireless interface for communication of monitoring and/or controlling information between the trailer and an associated towing vehicle. | 2009-09-03 |
| 20090219149 | Method and device for crash type identification for a vehicle - A method for crash type identification for a vehicle in which sensor data from the left vehicle side and from the right vehicle side are recorded and analyzed via at least two sensor units, as well as an associated device for crash type identification for a vehicle. The sensor data, recorded after an impact, are gated, at least one first gating of the recorded sensor data being checked for fulfillment of a stability criterion and, after meeting the stability criterion, at least one second gating of the recorded sensor data is compared with a predefined threshold value, a first criterion for an asymmetrical impact flag signal being recognized when the second gating of the recorded sensor data exceeds the predefined threshold value and/or falls short of the predefined threshold value. | 2009-09-03 |
| 20090219150 | High-Visibility Hazard Flasher - The automotive hazard flashers described make more usable the distinctive, high-visibility flash hazard signal of U.S. Pat. No. 6,515,584 B2. That signal is here made available, at the driver's selection, as an auxiliary alternative hazard signal to a standard hazard signal. Both signals are displayed in a vehicle's turn signal lamps. The auxiliary high-visibility hazard signal may also be displayed in supplementary lamps. Automatic cancellation of hazard signals by activating a turn signal is made available. The use of one distinctive, high-visibility hazard signal, such as that of U.S. Pat. No. 6,515,584 B2, is made available as a single, consistent warning signal for different types of hazards, including manually signaled hazard warnings, vehicle-in-reverse warning and rapid deceleration warning. | 2009-09-03 |
| 20090219151 | ERGONOMIC AND EXTENSIBLE SUPERVISION SYSTEM USING DATA OF A COMPUTERIZED PLAN - An ergonomic and extensible supervision system, in particular for technical management of buildings, centralized technical management and fire safety, using data of at least one computerized plan representing the installation to be supervised and the technical elements of the installation and including: an automatic computer-based reading component for analyzing and extracting data from the plan in the form of blocks containing at least one technical element; a computer-based viewing component for generating, from the data supplied by the reading component, and data concerning the technical elements, a list of variables and data corresponding to the blocks, including the mapping data of the technical elements; a computer-based matching component for matching the list of variables with the technical elements located in the installation to be monitored, so as to constitute a supervising application; means for parametering the supervising application, using a man/machine interface. | 2009-09-03 |
| 20090219152 | PERSONAL ANNUNCIATION DEVICE - A personal annunciation device (PAD) providing, in an area of interest, compensatory annunciation of the presence of an abnormal condition in a hazardous area and accountability of the user of the PAD. Compensatory annunciation supplements primary annunciation provided by an emergency notification system (ENS). A detection system detects an abnormal condition, and a wireless transmission system transmits a wireless transmission to the PAD. The PAD has a housing enclosing the components of the PAD including a communication module for receiving the wireless transmission, a power supply, processor, memory, annunciation system, and RFID module. The RFID module has an RFID receiver that listens for an RFID transmission from an RFID reader disposed in a portal of an area of interest. The PAD identifies the transmission and changes its operating state based on the transmission. The RFID readers recognize, record, and transmit the state of the PAD to a base station providing accountability of the wearer. | 2009-09-03 |
| 20090219153 | CHECKOUT SYSTEM, CHECKOUT SYSTEM CONTROL PROGRAM, AND CHECKOUT SYSTEM CONTROL METHOD - A checkout system performs checkout of articles. The checkout system includes an LCD touch screen | 2009-09-03 |
| 20090219154 | Fingerprint acquisition system and method using force measurements - An apparatus and method of optimizing performance of a fingerprint sensor includes determining whether a force applied to a sensing portion of the sensor is within an optimal force range for the fingerprint sensor and capturing at least one fingerprint image with the fingerprint sensor after the applied force is in the optimal force range. | 2009-09-03 |
| 20090219155 | Method and devices for protecting commercial goods aginst theft - The invention relates to methods and devices for protecting an article against theft. Once a protection element is in the on-position, a selection signal is transmitted from an emitter to a receiver provided in the protection element, in order to associate the protection element with the emitter and to shift said protection element into a connection mode. The receiver is then deactivated in the connection mode. The deactivation of the receiver reduces the energy consumption of the protection element, and prevents the protection element from unintentionally receiving other selection signals. Once the protection element has been shifted into an alarm state, for example, due to an attempted theft, the receiver thereof is reactivated, in order to reauthorise the reception of a selection signal. The alarm state can be terminated by one such selection signal. | 2009-09-03 |
| 20090219156 | Cell Phone Detection and Identification - A security tag affixed to a mobile phone for monitoring, tracking, and securing the mobile phone within a protected region. The security tag includes: a tag antenna operable at a low radio frequency not exceeding one megahertz; a tag transceiver operatively connected to the device antenna, the transceiver operable to receive radio signals at the low radio frequency and generate data signals at the said low radio frequency, in response thereto; and a microcontroller operatively coupled with the transceiver, the microcontroller being configured to cause the transceiver to emit a signal when the mobile phone is exiting the protected region. | 2009-09-03 |
| 20090219157 | APPARATUS AND METHODS FOR PLACING RADIO FREQUENCY IDENTIFICATION (RFID) ANTENNAS, TAGS, AND/OR INTERROGATORS - In one embodiment, an apparatus includes a first support configured to retain a first radio frequency identification antenna. The first radio frequency identification antenna can be configured to send a first reference signal. The apparatus also includes a second support configured to support an object and a movable carriage configured to retain and selectively position a second radio frequency identification antenna. The second radio frequency identification antenna can be configured to receive the first reference signal and can be configured to send a second reference signal to a signal analyzer. The second reference signal can be based on a position of at least one of the first radio frequency identification antenna, the object, or the second radio frequency identification antenna. | 2009-09-03 |
| 20090219158 | RFID TAGS WITH ENHANCED RANGE AND BANDWIDTH OBTAINED BY SPATIAL ANTENNA DIVERSITY - Spatial antenna diversity is used with RFID tags to reduce sensitivity to multi-path fading. RFID tags can use a single multi-port chip or multiple multi-port chips. The ports of the chip or chips are coupled to separated feedpoints on one or more antennas. | 2009-09-03 |
| 20090219159 | METHOD AND SYSTEM FOR AN ELECTRONIC PERSONAL TRAINER - A method and system to implement an electronic personal training is provided. According to an example embodiment, personal goals for fitness and health-related activities may be recorded, tracked, and provided, using personal electronic devices. The personal electronic devices may receive and store input from objects (e.g., exercise equipments or food items) in an environment (e.g., a fitness center or a supermarket) and output relevant personal information about the activity currently being input (e.g. on a digital screen, pre-stored version of a human voice, etc.). The portable electronic devices may periodically communicate data with a system located on a communications network, where the fitness data may be processed to provide individual and group reports (e.g. email sent to person, membership trends to gyms, account history available online). A user may set or modify his or her goals by accessing the system via the portable electronic device or a user computer. | 2009-09-03 |
| 20090219160 | Marine personnel safety system - A person-overboard monitoring and alarm system, includes an RFID tag worn by a user; an array of directional antennas for mounting around a perimeter of a boat hull, below and substantially parallel with a gunnel of the boat so as to be arrayed substantially above a water line of the boat and so as to provide a corresponding array of substantially distinct and independent detection zones which are substantially only directed outwardly of the boat, a transceiver cooperating with said array of antennas for detecting the presence of a tag in any one of said detection zones, a processor cooperating with said transceiver for receiving signals from said transceiver upon detection of said tag in said any one of said detection zones and determining which of said detection zones contain said tag, and wherein said processor is adapted to output an alarm trigger signal to an alarm upon said detection, whereby said antenna and said transceiver substantially only detects said tag when located over-board from the boat. | 2009-09-03 |
| 20090219161 | Device for fatigue warning in motor vehicles having a run-up alarm system - A device for fatigue warning in motor vehicles includes a driver sensor system for detecting driver fatigue conditions and a run-up alarm system which has an environment sensor system. The alarm system is designed to output a warning signal and/or perform a control action in the drive and/or brake system of the vehicle when the distance to a preceding vehicle drops below a warning distance. The run-up alarm system has a setting device which is configured to modify the warning distance as a function of the detected fatigue condition. | 2009-09-03 |
| 20090219162 | Speaker Circuit Resident Notification Appliances - Both notification appliances and speakers usable to broadcast verbal messages into a region can be coupled to common signal and power providing communication lines. Composite output modules can include speakers, horns, and strobe lights, all without limitation, which can be independently driven and controlled from a common pair of lines. | 2009-09-03 |
| 20090219163 | FAULTED CIRCUIT INDICATOR WITH FAULT CHARACTERISTIC DETECTION & DISPLAY - A display for a faulted circuit indicator is disclosed. A plurality of light-emitting diodes is arranged so that at least two diodes are visible to a person approaching the faulted circuit indicator from a determined angle of approach. When a fault is detected, the faulted circuit indicator flashes the plurality of light-emitting diodes in a progression pattern to indicate the direction to the fault relative to the faulted circuit indicator. | 2009-09-03 |
| 20090219164 | FAULTED CIRCUIT INDICATOR WITH FAULT CHARACTERISTIC DETECTION AND DISPLAY - A display for a faulted circuit indicator is disclosed. A plurality of light-emitting diodes are arranged so that at least one diode is visible to a person approaching the faulted circuit indicator from a determined angle of approach. When a fault is detected, the faulted circuit indicator flashes the plurality of light-emitting diodes in a predetermined pattern depending on whether a permanent or temporary fault is detected. | 2009-09-03 |
| 20090219165 | DISTANCE MEASURING DEVICE AND METHOD FOR DETERMINING A DISTANCE - The invention is based on a distance-measuring device having a transmission unit ( | 2009-09-03 |
| 20090219166 | VISUAL EVENT NOTIFICATION ON A HANDHELD COMMUNICATIONS DEVICE - A method of event notification on a handheld communications device involves first receiving an indication of an occurrence of an event at the handheld communications device. The communications device comprises a display device, and the event has an associated notification definition for providing a visual notification of the occurrence of the event. The notification definition comprises a content parameter that specifies a scope of the content of the visual notification, and an action parameter that specifies the action to be taken on the communications device after the visual notification is initiated. Then, a visual notification of the occurrence is provided on the display device in accordance with the associated notification definition. The visual notification provides particulars of the event. | 2009-09-03 |
| 20090219167 | Light emitting display device with sequential emission preferably in time with music - A pre-programmed device and method for forming and displaying images which includes electrically powered light emitters in one or more rows that are preferably sequentially illuminated in time with music, the light emitters are typically a row of lights; a microprocessor(s) controlling the lights; a source of music that will preferably be coordinated with the illumination of the light emitters which enable the display device to convey a message; and a source of electrical power within, on. The inventive display device is useful in displaying a graphic. | 2009-09-03 |
| 20090219168 | LIVING POSTERS - Presenting a sequence of images including: displaying a static image, wherein the static image includes at least one object in a static state; defining a triggering event that changes the static state of the at least one object; defining the changes to the static state of the at least one object in a dynamic sequence of images; and moving the at least one object in the static image according to the dynamic sequence of images when the triggering event is detected. | 2009-09-03 |
| 20090219169 | Method and System for Identifying and Handling (Tracing/Locating/Identifying to Receive Services) An Owner And Items In A Secure/Private Area - To securely handle (trace/locate/identify to receive services) of an owner and items within a secure/private area, the owner is identified ( | 2009-09-03 |
| 20090219170 | Wireless network inventory system - A wireless location system is provided. The system includes network tags that emit a signal containing tag data, network readers that continuously receive data from the tags, a communication motes to receive the tag data from the readers and to calculate a network signal strength of the signal between the reader and the mote, and a server. The server receives the tag data and network signal strength data from the communication mote, performs calculations on the data, and determines the location of the reader that received the tag data based in part on the received network signal strength data. | 2009-09-03 |
| 20090219171 | Method and Apparatus for Locating A Plug Within the Well - The invention provides an apparatus for determining the location and/or the displacement of an object ( | 2009-09-03 |
| 20090219172 | Method and Device for the Multi-Technology Detection of Vehicles - Method of detecting vehicles on at least one stretch of a carriageway implementing at least two types of detection chosen from:
| 2009-09-03 |
| 20090219173 | PIN CODE TERMINAL - The PIN code terminal, which has a wheel that may be turned to show alphanumeric characters in a small window which has a narrow field of view enabling the user to observe characters in the window while preventing the view of others and preventing possible onlookers of observing the selected characters from the user's hand or finger movements, as the user only depresses the wheel, which acts as an electric switch similar to the ENTER key on a PC keyboard, or by depressing another switch when the desired number/character is displayed in the window. | 2009-09-03 |
| 20090219174 | Remote control method and remote control apparatus - A remote control method is disclosed. The remote control method is used for a device under control which selects one of an information signal of the device under control and an information signal from at least one external device and reproduces the selected information signal. | 2009-09-03 |
| 20090219175 | INPUT DEVICE AND ELECTRONIC APPARATUS USING THE SAME - An input device includes an input-sensing unit that contains a capacitive input sensor and a sensitivity-sensing unit that contains a capacitive sensitivity sensor. The input-sensing unit senses position information obtained by touch operation of an operation body to the capacitive input sensor. The sensitivity-sensing unit senses sensitivity information obtained by touch operation of the operation body to the capacitive sensitivity sensor. The input device includes a control unit determining whether or not the output level of the position information from the input-sensing unit is adjusted based on the sensitivity information sensed by the sensitivity-sensing unit and a sensitivity-adjusting unit that adjusts an output level of the position information from the input-sensing unit based on a result of the determination of the control unit. The control unit controls the sensitivity-adjusting unit to adjust the output level of the position information received from the input-sensing unit. | 2009-09-03 |
| 20090219176 | RECONFIGURABLE KEYFIELD ON A COMMUNICATION DEVICE - A handheld communication device having a reconfigurable keyfield and a display screen upon which characters are displayed. A plurality of actuable input keys makeup the keyfield, and each has at least one character associated therewith and an engageable top surface for actuation. A microprocessor is configured to receive data indicative of an actuated input key and to output data indicative of an associated character determined to correspond to the indicated input key. At least one of the plurality of actuable input keys is mounted to the handheld communication device by an adjustable interconnection configurable between at least first and second operating orientations. In the first operating orientation, the engageable top surface of the at least one input key faces a first direction and in the second operating orientation the engageable top surface of the at least one input key faces a second direction. | 2009-09-03 |
| 20090219177 | Arithmetic Decoding Method and Device - The invention relates to a method for decoding elements coded according to an arithmetic coding method such as CABAC. The method decodes at least a part of the binary stream into a set of elements on the basis of first and second decoding parameters CodIOffset | 2009-09-03 |
| 20090219178 | Method of encoding data - A data encoder-decoder which generates an encoded data element which can be stored in and retrieved from a reduced space memory element. | 2009-09-03 |
| 20090219179 | Single ended pseudo differential interconnection circuit and single ended pseudo differential signaling method - A single ended pseudo differential signaling method may add a 1-bit signal to n-bit data if transmitting the n-bit data. Neighboring two signals among the 1-bit signal and data signals are compared to each other to generate detection signals. | 2009-09-03 |
| 20090219180 | DATA CODING BUFFER FOR ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS - A method includes receiving, at a decoding device, first contents of a buffer, where the first contents of the buffer include at least a first data symbol. The first data symbol is coded into the first contents of the buffer based at least in part on a first radix of the first data symbol. The first data symbol is decoded from the first contents of the buffer. Based at least in part on the first radix of the first data symbol, it is determined whether the first contents of the buffer include a second data symbol. The second data symbol is decoded from the first contents of the buffer if the first contents include the second data symbol. | 2009-09-03 |
| 20090219181 | METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING SIGNALS - The present invention relates to the field of wireless communications and discloses wireless signal transmission and reception methods and devices, thus more information can be transmitted via a fixed resource block. In the present invention, at the transmitter side, information for transmission is divided into an n-bit part and an m-bit part, the n-bit part being taken as information borne in a physical resource and a corresponding mapping mode is selected in accordance with the m-bit part; at the receiver side, a sequence carrying a received signal is de-mapped according to all possible mapping modes of the received signal and transmitted information is derived from an optimum signal sequence resulting from de-mapping and corresponding mapping mode. | 2009-09-03 |
| 20090219182 | Method and Apparatus for Signal Processing and Encoding and Decoding Method, and Apparatus Therefor - An apparatus for processing a signal and method thereof are disclosed. Data coding and entropy coding are performed with interconnection, and grouping is used to enhance coding efficiency. The present invention includes the steps of obtaining index information and data and entropy-decoding the index information and identifying an entropy table corresponding to the entropy-decoded index information and entropy-decoding the data using the identified entropy table. | 2009-09-03 |
| 20090219183 | ARITHMETIC DECODING APPARATUS - Disclosed herein is an arithmetic decoding apparatus that decodes encoded data while updating first and second state variables based on first and second context variables. The first context variable represents a probability state. The second context variable represents a most probable symbol. The arithmetic decoding apparatus includes: a decoding information table that stores transitions of a range of the most probable symbol and a range of a least probable symbol within a range identified by the first context variable, and a number of a symbol for which the range of the most probable symbol becomes less than a specific value; a number-of-symbols determination section configured to determine the number of symbols in the encoded data that are to be decoded collectively; and an output section configured to decode and output a symbol corresponding to the number of symbols that are to be decoded collectively. | 2009-09-03 |
| 20090219184 | Signal Processor, Control Method, and Wireless Communication Device - There is provided a signal processor with a plurality of antennas connected for transmitting and receiving wireless signals, including a plurality of analog reception processing units, AD converters, DA converters, and analog transmission processing units, wherein each of the analog reception processing units converts the wireless signal received through the antenna into an analog baseband signal and outputs the signal to the AD converter, each of the DA converters converts the digital baseband signal into analog format and outputs the signal, and each of the analog transmission processing units shifts the frequency band of the analog baseband signal output from the DA converter to the high frequency side. The signal processor further includes a transmission switch which switches among the DA converters respectively connected to the analog transmission processing units and a reception switch which switches among the AD converters respectively connected to the analog reception processing units. | 2009-09-03 |
| 20090219185 | Adjusting an Input Signal Level of a Sigma-Delta Converter - The invention relates to adjusting an input signal level of a Sigma-Delta converter. A control signal indicative of an input signal level to said Sigma-Delta converter is generated, and the input signal level to said Sigma-Delta converter is adjusted in dependence of said control signal. The control signal is generated as a signal indicating an operating condition of said Sigma-Delta converter. In this way, internal signals from the Sigma-Delta converter can be used to determine the state of the Sigma-Delta converter, i.e. whether it is operating within its operational input range or not, and whether it is close to the limits of the operational input range. This provides a simple, but accurate guidance of an automatic gain control upstream of the Sigma-Delta converter. | 2009-09-03 |
| 20090219186 | FILTER CIRCUIT, RECEIVER USING THE SAME, AND FILTERING METHOD USING THE SAME - According to an aspect of the present invention, there is provided a filter circuit including: an ADC that converts a first analog signal into a first digital signal; a digital filter that extracts an interference component from the first digital signal and generates a second digital signal; a DAC that converts the second digital signal into a second analog signal; a delayer that delays the first analog signal based on a delay caused in the second analog signal and generates a delayed first analog signal; a subtractor that subtracts the second analog signal from the delayed first analog signal and generates an output signal; and a controller that controls the digital filter based on a remaining interference component that is remaining in the output signal. | 2009-09-03 |
| 20090219187 | HIGH-SPEED TIME-TO-DIGITAL CONVERTER - Techniques for enabling a time-to-digital (TDC) to sample with sub-inverter delay resolution are disclosed. In an embodiment, the inputs to a differential D-Q flip-flop in the TDC are coupled to a single-ended signal and a delayed and inverted version of that signal to allow time interpolation of the signal. Further disclosed are techniques to balance the loads of a first delay line and a complementary delay line within the TDC. | 2009-09-03 |
| 20090219188 | METHOD FOR OPERATION OF A RADAR SENSOR - A method for close-proximity operation of a radar sensor for the generation of a usable detection field, for the recognition of people and/or stationary objects by an antenna, whereby the detection field can be altered or adjusted electronically. | 2009-09-03 |
| 20090219189 | GROUND COLLISION INSTRUMENT FOR AIRCRAFT AND MARINE VEHICLES - Radar return processing systems and methods are operable to process radar information when an installation vehicle is operating in proximity to a surface area of interest. An exemplary embodiment reduces energy of an output pulse emitted from a radar system; receives a plurality of radar returns from a plurality of objects that reflect the reduced energy output pulses emitted from the radar system; determines a surface area of interest based upon at least a current location of the installation vehicle; and filters the radar returns generated by objects that are located outside of the surface area of interest. Optionally, some systems and methods may reduce a sweep range of an antenna from which the reduced energy output pulses are emitted. | 2009-09-03 |
| 20090219190 | Method and Device for Measuring the Distance and Relative Speed of Multiple Objects - A method and device are provided for measuring distance and relative speed of a plurality of objects with the aid of an FMCW radar, transmitted signals being reflected by objects, and the reflected signals being received and mixed with the transmitted signals. A combination of distance and relative speed values is assigned to the mixer output frequencies of each frequency ramp for each object, and the distance and relative speed of a possible object are determined from points of intersection of a plurality of distance and relative speed combinations. The apparent (unreal) objects are eliminated by modifying the frequency slope of at least one frequency ramp according to the random principle in a subsequent measurement cycle. | 2009-09-03 |
| 20090219191 | VEHICULAR LAMP - A vehicular lamp includes a lamp chamber formed by a lamp body opening forward and a transparent front cover attached to a forward opening portion thereof; a lamp unit disposed within the lamp chamber; a millimeter wave radar for sending a millimeter wave to reflect off of an object in order to detect a distance and a relative speed of the object; and a millimeter wave direction-changing mechanism for sending forward the millimeter wave sent by the millimeter wave radar from a back surface side of the lamp unit, without reflecting the millimeter wave on a rearward side of the lamp unit. | 2009-09-03 |
| 20090219192 | MOISTURE DISCHARGING RADAR ANTENNA FOR LIQUID LEVEL DETECTION - The invention relates to a device for determining the level of a liquid, at least comprising a radar antenna disposed above the liquid for emitting radar waves to the liquid and receiving radar waves reflected by the surface of the liquid, as well as means for determining the liquid level on the basis of the emitted and reflected radar waves, wherein the radar antenna has an emitting surface which is directed downwards at the liquid and which is horizontally oriented with respect to the surface of the liquid, which emitting surface is provided with means that promote the discharge of condensation that is present on the emitting surface. | 2009-09-03 |
| 20090219193 | Object Ranging - An object ranging system operates by transmitting pulses derived from a frequency-swept signal and determining the beat frequency of a combination of the frequency-swept signal and its reflection from an object. A second (or higher) order harmonic is derived from the combination signal. Accordingly, determination of the beat frequency, and hence object range, is significantly enhanced. The frequency sweep is such that frequency changes occur at a substantially higher rate at the beginning of each the pulse repetition interval than at the end. Accordingly, because the frequency changes are concentrated in the period of pulse transmission, even reflections ‘from a close object, where the time delay between the source signal and the reflection is very short, will cause a high beat frequency. | 2009-09-03 |
| 20090219194 | Method and apparatus for determining whether a moving entity is moving in a predetermined direction - The present invention relates to a method and an apparatus for determining whether a moving entity is moving in a predetermined direction. A moving entity being equipped with positioning means receives data from a sender comprising information about a position of a point of interest and a position of a reference point. Based on the received data, a first position of the moving entity at a first point in time, and a second position of the moving entity at a second point in time, it is determined whether the moving entity is moving in the predetermined direction. Preferably, angular information is utilized to verify whether the moving entity is moving in the predetermined direction. | 2009-09-03 |
| 20090219195 | Unwrapping of Phase Values At Array Antenna Elements - A method and apparatus are described for the unwrapping of a set of phase values observed for an incoming signal on a phased array antenna. The difference between values observed on adjacent elements in the array forms a first data set. The differences between adjacent ordinates in the first data set forms a second data set. The values in the second data set are rounded to the nearest whole multiple of one complete cycle before the differencing process is reversed to provide the values (representing a whole number of complete cycles) which are added to the observed phase values to provide the unwrapped phase values. | 2009-09-03 |
| 20090219196 | SYSTEMS AND METHODS FOR RADAR DATA COMMUNICATION - A radar information processing system is operable to process high bandwidth radar information received from a radar system into low bandwidth radar information that may be communicated to a low bandwidth connection coupled to an electronic flight bag (EFB). An exemplary embodiment receives radar information from a radar system, the radar information communicated from the radar system at a first bandwidth; processes the received radar information into processed radar information, the processed radar information configured for communication over a connection operable at a second bandwidth, the second bandwidth lower than the first bandwidth; and communicates the radar information from a radar system, the radar information communicated from the radar system at a first bandwidth. | 2009-09-03 |
| 20090219197 | SYSTEMS AND METHODS FOR SUPPLEMENTAL WEATHER INFORMATION PRESENTATION ON A DISPLAY - An embodiment of the supplemental weather display system presents supplemental weather information on a display in a craft. An exemplary embodiment receives the supplemental weather information from a remote source, determines a location of the supplemental weather information relative to the craft, receives weather information from an on-board radar system, and integrates the supplemental weather information with the weather information received from the on-board radar system. | 2009-09-03 |
| 20090219198 | Global Positioning System Receiver Timeline Management - Satellite positioning system (SATPS) receiver that has a plurality of modes and channels, where a timeline module configures the channels based on the mode of operation of the SATPS receiver and reconfigures the channels if the mode of operation of the SATPS changes. | 2009-09-03 |
| 20090219199 | Positioning system for projecting a site model - A positioning system is disclosed. The positioning system has a database for storing a site model. The site model has data indicative of a desired geography of a site environment and an actual geography of the site environment. The positioning system also has a first receiver for generating digital signals representing a real time position in three-dimensional space of at least a portion of a machine as the machine traverses the site environment. The positioning system further has a processor for receiving the signals and updating the site model to determine a difference between the data indicative of the desired geography and the data indicative of the actual geography. The positioning system also has a display for projecting the site model onto at least one surface of an operator station of the machine so that an operator may simultaneously view the site model and the site environment. | 2009-09-03 |
| 20090219200 | TRANSFER OF GLOBAL POSITIONING SYSTEM ASSISTANCE DATA - Methods and devices ( | 2009-09-03 |
| 20090219201 | GNSS RECEIVER WITH ENHANCED ACCURACY USING TWO SIGNAL CARRIERS - A satellite positioning receiver is disclosed having at least one receive channel. Each receive channel is intended to perform a combined processing of a first S | 2009-09-03 |
| 20090219202 | Satellite Time Determination for SPS Receiver - Methods and apparatus for improving position location performance, especially in weak coverage areas, are described herein. A SPS receiver is able to solve for position location in situations where at least two satellite signals can be received but only one time stamp can be successfully demodulated. The receiver can utilize the successfully decoded time reference to determine a time associated with bit edge transitions for signals from that satellite. The receiver utilizes the bit edge transition with the known time to set the time for at least one bit edge transition for signals from other satellites for which the time stamp is not demodulated. The receiver sets the time hypothesis to bit edge transitions occurring within a predetermined window including the bit edge transition with the known time. A position can be determined based on the time hypothesis. The time hypothesis and window placement can be modified following invalid position solutions. | 2009-09-03 |
| 20090219203 | METHOD AND APPARATUS FOR COMBINING MEASUREMENTS AND DETERMINING CLOCK OFFSETS BETWEEN DIFFERENT GLOBAL NAVIGATION SATELLITE SYSTEMS - Method and apparatus for processing satellite signals from a first satellite navigation system and a second satellite navigation system is described. In one example, at least one first pseudorange between a satellite signal receiver and at least one satellite of the first satellite navigation system is measured. At least one second pseudorange between the satellite signal receiver and at least one satellite of the second satellite navigation system is measured. A first difference between a first time reference frame of the first satellite navigation system and a time reference and a second difference between a second time reference frame of the second satellite navigation system and the time reference are obtained. The at least one first pseudorange and the at least one second pseudorange are combined using the first and second differences in time references. | 2009-09-03 |
| 20090219204 | DUAL MODE SATELLITE SIGNAL RECEIVER AND METHOD THEREOF - A dual mode satellite signal receiver capable of supporting at least two global navigation satellite systems and a satellite signal receiving method are provided. The dual mode satellite signal receiver comprises a frequency synthesizer for generating a local oscillator signal based on a reference frequency; a mixer for mixing the local oscillator signal with a satellite signal and outputting the mixed signal as a signal of an intermediate frequency band; a first filter for filtering the signal output from the mixer to reject an image signal and output only an actual signal; a second filter for filtering the actual signal to output only a predetermined bandwidth according to a positioning mode; and an amplifier for amplifying the second filter output signal to a predetermined level and outputting the amplified signal. | 2009-09-03 |
| 20090219205 | APPARATUS AND METHODS FOR MAINTAINING A RELIABLE TIME CLOCK ON A MOBILE COMPUTING DEVICE SUPPORTING SATELLITE BASED POSITION DETERMINATION CAPABILITY - Various embodiments for maintaining a reliable time clock on a mobile computing device are described. In one embodiment, a mobile computing device may optionally enable and disable acquisition of time data from multiple sources including a mobile network and a global positioning system (GPS) satellite. The mobile computing device may comprise a time clock to display local time information derived from stored time data and may prioritize the multiple sources for writing and overwriting the stored time data to converge to the most reliable time data available. Other embodiments are described and claimed. | 2009-09-03 |
| 20090219206 | EPHEMERIS EXTENSION METHOD FOR GNSS APPLICATIONS - Systems, methods and devices for improving the performance of Global Navigation Satellite System (GNSS) receivers are disclosed. In particular, the improvement of the ability to calculate a satellite position or a receiver position where a receiver has degraded ability to receive broadcast ephemeris data directly from a GNSS satellite is disclosed. Correction terms can be applied to an approximate long-term satellite position model such as the broadcast almanac. | 2009-09-03 |
| 20090219207 | SIGNAL RECEIVING SYSTEM - A variable directivity antenna ( | 2009-09-03 |
| 20090219208 | DIGITAL BEAM FORMING USING FREQUENCY-MODULATED SIGNALS - The present invention relates to a method for angular determination and/or for increasing the angular resolution or a detectable angular range when operating antenna groups using the technique of digital beam forming (DBF), as well as a device for carrying out the method. In the method, a measurement signal with a carrier signal and a frequency-modulated signal component are received via at least one antenna group directly or after reflection on one or several objects. The angle, at which the measurement signal is received, is determined by evaluating a phase difference in the received measurement signal which occurs between adjacent antenna elements of the antenna group. The method is characterised in that for determining the phase difference the frequency-modulated signal component is also evaluated, exclusively or additionally to an evaluation of the carrier signal. As a result of the method and the device, the angular resolution and/or the angular range which is detected in an unambiguous manner may be increased in a cost-effective manner with digital beam forming. | 2009-09-03 |
| 20090219209 | LOCATION DETERMINATION - Among other disclosed subject matter, a method includes detecting that a location is to be determined. The method includes selecting at least one among multiple location determination techniques based on a selection criterion. The method includes causing the location to be determined using the selected location determination technique. | 2009-09-03 |
| 20090219210 | Wireless Tracking System And Method With Multipath Error Mitigation | 2009-09-03 |
| 20090219211 | Method and apparatus for locating the source of radio frequency emissions - At least two receiver sets are provided. A data processor is in communication with the receiver sets, wherein the data processor tags position data and radio frequency emission data from the receiver sets. A data storage unit is in communication with the data processor and is at least capable of storing tagged data. A processing unit is capable of processing the tagged data. The processing unit defines a search grid within which to search for the source of the radio frequency emission. The processing unit motion compensates the tagged data separately for each point on the grid. The processing unit assigns a value to each grid point based on a phase coherence of the motion compensated data. The processing unit determines a location within the grid having a highest assigned value, thereby determining the source of the radio frequency emission. | 2009-09-03 |
| 20090219212 | PLANAR ANTENNA AND MANUFACTURING METHOD THEREOF - A planar antenna has a circuit pattern including an antenna part and a connection terminal part on a plastic film, in which the circuit pattern has a metal layer and a heat-sealable conductive layer provided on a surface layer of a connection terminal part of the metal layer. The planar antenna is obtained by forming a circuit pattern including a metal layer on a plastic film, providing a heat-sealable conductive layer in a connection terminal part of the circuit pattern, and then removing an unnecessary part with etching. | 2009-09-03 |
| 20090219213 | Multi-Metamaterial-Antenna Systems with Directional Couplers - Examples of apparatus and techniques for providing metamaterial (MTM) multi-antenna array systems with directional couplers for various applications. | 2009-09-03 |
| 20090219214 | WIRELESS HANDSET WITH IMPROVED HEARING AID COMPATIBILITY - A “candy bar” form factor wireless handset ( | 2009-09-03 |
| 20090219215 | MULTIPLE RESONANT ANTENNA UNIT, ASSOCIATED PRINTED CIRCUIT BOARD AND RADIO COMMUNICATION DEVICE - A multiple resonant antenna unit (AT | 2009-09-03 |
| 20090219216 | MOBILE WIRELESS COMMUNICATIONS DEVICE WITH SELECTIVE LOAD SWITCHING FOR ANTENNAS AND RELATED METHODS - A mobile wireless communications device may include a plurality of antennas, a plurality of wireless transceivers, and signal processing circuitry. The device may further include a controller for selectively switching the signal processing circuitry to a desired one of the wireless transceivers, and for selectively switching a desired one of the antennas to the desired one of the wireless transceivers. Moreover, the controller may also be for selectively connecting and disconnecting the at least one other one of the antennas to an unused one of the wireless transceivers. | 2009-09-03 |
| 20090219217 | ANTENNA-CHARACTERISTIC MEASURING APPARATUS AND ANTENNA-CHARACTERISTIC MEASURING METHOD - A measured antenna and a measuring antenna are placed inside a radio anechoic container. On the basis of an aperture size D of the measured antenna, an aperture size d of the measuring antenna, and a wavelength λ of a measurement frequency, a distance L between the measured antenna and the measuring antenna is set to a value in the range of (D+d) | 2009-09-03 |
| 20090219218 | APPARATUS FOR ROTATION OF A LARGE BODY ABOUT AN AXIS - Apparatus for the rotation of a large body, such as the base frame of a solar energy collector having a large reflective dish, about an axis utilizes a ring member or arcuate member. An actuator clamp is movable along the ring or arcuate member when it is not clamped to it. The actuator clamp is connected to one end of an expansion and contraction device, such as a hydraulic ram. The other end of the hydraulic ram is connected to the body, to a projection from the body, or to a rigid arm that is securely connected to the body. With the actuator clamp firmly clamped to the ring or arcuate member, actuation of the hydraulic ram causes the body to rotate about the axis. | 2009-09-03 |
| 20090219219 | Antenna Arrays with Dual Circular Polarization - The invention consists of an antenna array, for the reception of two frequency bands, comprising two pairs of radiating elements and an network for excitation of these elements for the reception of one of the bands. The radiating elements are positioned so as to free the center of the array to allow colocalized reception of the other band. The excitation network comprises hybrid elements so as to introduce a certain phase shift between the radiating elements allowing a dual circular polarization. This network must comply with two constraints: The phase shift introduced between the hybrids must be equal to the phase shift of the hybrid modulo 2kπ k integer. and the length of the line L | 2009-09-03 |
| 20090219220 | DUAL-BAND MULTI-PITCH PARASITIC HALF-WAVE (MPPH) ANTENNA - A dual band multi-pitch helical antenna ( | 2009-09-03 |
| 20090219221 | WIDEBAND ANTENNA ARRAY - A wideband antenna array including a plurality of antenna element cards. In certain embodiments the cards include a plurality of first radiators and a plurality of second radiators. The first radiators operate in a low band portion of the array s operating spectrum, and the second radiators operate in a high-band portion of the array's operating spectrum. In certain other embodiments at least one of the cards includes a pair of radiators. The radiators in the pair are oriented in substantially opposite directions. In certain other embodiments a first plurality of the antenna element cards includes at least a first radiator, a second radiator and electronics for controlling both the first and second radiators. A second plurality of the antenna element cards includes at least a first radiator, a second radiator and electronics for controlling only one of the first and second radiators. | 2009-09-03 |
| 20090219222 | REFLECTOR - A reflector including a reflector dish and a backing structure. The reflector dish has a reflecting surface and a back surface. The backing structure is arranged in a pattern on the back surface of the reflector dish for supporting and stiffening the reflector dish. The backing structure includes a first backing structure skin and a second backing structure skin and a backing structure core there between. The core is substantially thicker than each skin. The backing structure is arranged such that the first backing structure skin is faced against the back surface of the reflector dish. Also, a method of manufacturing a reflector. | 2009-09-03 |
| 20090219223 | SYSTEM AND METHOD FOR UPDATING ELECTRONIC LABEL DISPLAYS - An electronic label wirelessly connected to an information updating system having a server. The electronic label includes a wireless communication interface to receive information from the server to be displayed on a display, a means for label processing connected to the communication interface, a means for updating the display connected to the means for label processing, and at least one dot matrix display to display a dot matrix image, where the dot matrix display is connected to the means for updating the display. The communication interface receives the information to be displayed from the information updating system. The label includes a layout script such that the means for label processing generates the dot matrix image from the received information using the layout script. | 2009-09-03 |
| 20090219224 | HEAD TRACKING FOR ENHANCED 3D EXPERIENCE USING FACE DETECTION - Embodiments of the present invention provide a system and method for enhanced rendering of a virtual environment. The system may include a portable electronic device having a video camera with a lens that faces the user, and a display. A speaker system is in communication with the portable electronic device. A head tracking application uses face detection to render a user's virtual position in the virtual environment. A video portion of the virtual environment may be rendered on the display. An audio portion of the virtual environment may be rendered in the speaker system in a manner that imitates the directional component of an audio source within the environment. The speaker system may be part of a headset in wireless communication with the portable electronic device. In one embodiment, the system is used with a 3D video gaming application. | 2009-09-03 |
| 20090219225 | FLEXIBLE DISPLAY - A flexible display includes a plurality of pixel chips, chixels, provided on a flexible substrate. The chixels and the light emitters thereon may be shaped, sized and arranged to minimize chixel, pixel, and subpixel gaps and to provide a desired bend radius of the display. The flexible substrate may include light manipulators, such as filters, light convertors and the like to manipulate the light emitted from light emitters of the chixels. The light manipulators may be arranged to minimize chixel gaps between adjacent chixels. | 2009-09-03 |
| 20090219226 | DRIVING METHOD OF PLASMA DISPLAY PANEL - It is an object to provide a driving method of a plasma display panel, whereby a dark contrast can be improved while suppressing an erroneous discharge. In a resetting step in a first unit display period, while a first reset pulse having a predetermined peak electric potential is applied to one of first row electrodes of row electrode pairs formed in the PDP, a second reset pulse having a peak electric potential smaller than that of the first reset pulse is applied to the other of the first row electrodes. In the resetting step in a second unit display period subsequent to the first unit display period, a second reset pulse is applied to each of the one and the other of the first row electrodes. | 2009-09-03 |
| 20090219227 | Plasma display device - A plasma display device that prevents a luminance difference between scan lines by preventing an output voltage fluctuation in output lines connected to a scan IC. The plasma display device includes a plasma display panel having sustain electrodes, scan electrodes, and address electrodes, which are arranged to correspond to discharge cells to selectively drive the discharge cells, a chassis base supporting the plasma display panel, at least one printed circuit board mounted on the chassis base, and at least one flexible printed circuit connecting the scan electrodes to the printed circuit board. The flexible printed circuit includes input lines connecting at least one scan integrated circuit to the printed circuit board, output lines connecting the at least one integrated circuit to the scan electrodes, and ground lines that are formed beside outer sides of outermost output lines among the output lines to ground the at least one scan integrated circuit. | 2009-09-03 |
| 20090219228 | Plasma display panel - A plasma display panel, includes rear and front substrates facing each other with a predetermined interval therebetween, barrier ribs between the rear and front substrates to define discharge cells, address electrodes on the rear substrate, the address electrodes extending in a first direction to correspond to the discharge cells, display electrodes on the front substrate, the display electrodes extending in a second direction to correspond to the discharge cells, the second direction intersecting the first direction, and a dielectric layer on the front substrate to cover the display electrodes, the dielectric layer having a dielectric constant of about 6 C | 2009-09-03 |
| 20090219229 | METHOD FOR DRIVING PLASMA DISPLAY PANEL - When the temperature of a plasma display panel falls outside a predetermined temperature range or when the time during which the plasma display panel is used exceeds a predetermined time, the largest potential difference between one row electrode and the other row electrode is reduced in a second half of a reset step. | 2009-09-03 |
| 20090219230 | El Display panel module, el display panel and electronic apparatus - Disclosed herein is an electro luminescence display panel module, including: a pixel array section including a plurality of pixels, a plurality of signal lines extending in a vertical direction, and a plurality of horizontal lines extending in a horizontal direction, the signal lines and the horizontal lines being connected to the pixels such that each of the signal lines is connected to N ones of the pixel circuits which are connected to the same one of the horizontal lines, N being a natural number equal to or greater than 2; a first sampling control line; N second sampling control lines; a sampling scan driver; N pulse power supplies; and a horizontal selector; the pixel array section, the first sampling control lines, the N second sampling control lines, the sampling scan driver, the N pulse power supplies and the horizontal selector being mounted on the same substrate. | 2009-09-03 |
| 20090219231 | El display panel, electronic apparatus and a method of driving el display panel - Disclosed herein is an electro luminescence display panel having a pixel structure corresponding to an active matrix drive system, including: a reverse bias potential generating portion configured to generate a reverse bias potential in which corresponding one of gradation values of pixels is reflected; and a voltage applying portion configured to apply the reverse bias potential to a gate electrode of a drive transistor composing a pixel circuit adapted to operate for a non-emission time period. | 2009-09-03 |
| 20090219232 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME - A pixel of an organic light emitting display device and an organic light emitting display device using the same. The pixel is configured to compensate for the deterioration of organic light emitting diodes. The pixel includes an organic light emitting diode; a pixel circuit including a drive transistor for controlling an amount of electric current that flows from a first power source to a second power source via an organic light emitting diode; and a compensation unit between a gate electrode and a first electrode of the drive transistor for controlling a voltage of the gate electrode of the drive transistor to correspond to the deterioration of the organic light emitting diode. The compensation unit includes a transistor and a capacitor coupled in series between the gate electrode and the first electrode of the drive transistor. | 2009-09-03 |
| 20090219233 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD OF DRIVING THE SAME - An organic light emitting display and a method of driving the same. The organic light emitting display includes: a display unit having a plurality of data lines, a plurality of scan lines, and a plurality of pixels at crossing regions of the plurality of data lines and the plurality of scan lines; a data driver for outputting data signals through output channels, an output channel of the output channels coupled to two data lines of the plurality of data lines; a first scan driver for transferring scan signals to pixels coupled to one data line of the two data lines; and a second scan driver for transferring scan signals to pixels coupled to the other data line of the two data lines. | 2009-09-03 |
| 20090219234 | EL display panel module, EL display panel, integrated circuit device, electronic apparatus and driving controlling method - Disclosed herein is an EL display panel module, including: a pixel array section including a panel serving as a substrate, and a plurality of pixels disposed in a matrix on the panel and each including a pixel circuit, and a light emitting region; and a driving circuit for driving the pixel circuits such that a threshold value correction operation is carried out commonly for plural ones of the pixel circuits which are connected to each signal line and writing of a signal potential corresponding to a gradation value is executed time-sequentially for the individual pixel circuits, the driving circuit applying a reset potential lower than a reference potential for the threshold value correction to the plural ones of the pixel circuits before first writing of the signal potential after the threshold value correction operation is completed; the pixel array section and the driving circuit being mounted on the same substrate. | 2009-09-03 |
| 20090219235 | EL display panel, electronic apparatus and EL display panel driving method - An electro luminescence display panel adopting an active-matrix driving method and including pixel circuits; a capacitor control line; a coupling capacitor; and a pulse voltage source. | 2009-09-03 |
| 20090219236 | Organic light emitting display device and method of driving the same - An organic light emitting display device is disclosed. The device has a drive circuit which generates a reference clock to be used for synchronizing data signals supplied to the pixels. The reference clock is based on the frame frequency. As a result, the display will provide images of consistent quality which do not vary with input data frequency. | 2009-09-03 |
| 20090219237 | ELECTRO-OPTICAL DEVICE, DRIVING METHOD THEREOF, AND ELECTRONIC APPARATUS - In the hold-type display device that has a pixel connected to a storage capacitor via switching element, a frame period for driving the display device includes a first period, and a second period that is after the first period of the frame period. A voltage for black display is maintained from the beginning of the first period until a scanning line is selected. A voltage acquired by adding a predetermined voltage value to data signal is written to the pixel, when the scanning line is selected. In the second period, a voltage applied to at least one of the common electrode and the capacitor line connected to the storage capacitor is changed. | 2009-09-03 |
| 20090219238 | Liquid crystal display apparatus, and driving circuit and driving method thereof - A liquid crystal display apparatus is composed of a plurality of pixels, a plurality of switches and a driver circuit for driving the plurality of switches. Each of the plurality of pixels is provided with a liquid crystal element in which a liquid crystal layer is sandwiched between a pixel driving electrode and a common electrode confronting with each other, a first sampling and holding circuit, a second sampling and holding circuit and a switching device. The switching device switches a positive image signal voltage and a negative image signal voltage, and supplies the positive and negative image signal voltages alternately to the pixel driving electrode. | 2009-09-03 |
