Abstract: A network entity in a multi-transmit antenna system, such as a transmitting or receiving entity, includes a component such as a pre-coder or a receiver, and is configured for full-spatial-rate coding data. The network entity is capable of providing a full-spatial-rate codebook having been designed by selecting an underlying partial-spatial-rate codebook designed for a system configured for partial-spatial-rate coding data. The full-spatial-rate codebook can then be designed in a manner including defining the full-spatial-rate codewords based upon partial-spatial-rate codewords of the partial-spatial rate codebook and basis vectors of a null space of the respective partial-spatial-rate codewords in a multidimensional vector space. The network entity can also be capable of selecting codewords of the codebook in accordance with a sub-space tracking method whereby the codewords of the codebook can be selected in a manner that exploits correlations therebetween.

Abstract: The specification and drawings present a new method, system, apparatus and software product for resolving a feedback frame structure for implementing subspace tracking precoding for a MIMO-OFDM system, e.g., a wireless communication system. An efficient feedback frame format is generated by a receiver using a predetermined criterion and deciphered (decoded) by a transmitter when a subspace tracking preceding beamforming scheme is implemented.

Abstract: A reconfigurable tactile input device includes a first rigid electrode layer, a compressible dielectric structure, and a second flexible electrode layer forming together a tactile sensor with appropriate electrode connection means to a control means. The control means may include a mixed-signal IC mounted next to the input device in a compact package and capable of measuring capacitance in real time. The dielectric structure may include a matrix of compressible geometric elements with voids therebetween optionally vented to atmosphere, making the entire assembly thin and facilitating its use for mobile phones and other small, portable electronic devices. Some embodiments provide the user wit tactile feedback upon compression of the electrodes. An optional flexible display may be mounted over the input device to indicate the present configuration to the user.

Abstract: A method and system for finding a person using a mobile messenger service in a mobile communication terminal including a global positioning system (GPS) module are provided. The method includes providing a location finding method using a mobile messenger service, the method comprising: providing a mobile messenger service to a mobile communication terminal in which a position detecting module is provided; receiving information on access to the mobile communication terminal and information on registration of counterpart mobile communication terminals registered with the mobile messenger service, so as to generate information on locations of the mobile communication terminal and the counterpart mobile communication terminals and to generate map information to which the location information is mapped; and providing the map information to the mobile communication terminal.

Abstract: An interconnect delay fault test controller and a test apparatus using the same wherein an update operation and a capture operation may be carried out in one interval of a system clock or a core clock when carrying out an interconnect delay fault test between an IEEE P1500 wrapped cores in a SoC as well as an interconnect wire on a board based on an IEEE 1149.1, and wherein the interconnect delay fault test using different system clocks or core clocks may be carried out simultaneously in one test cycle corresponding to each system clock or core clock even when multiple system clocks or core clocks exists is disclosed.

Abstract: A method, computer program and apparatus operate so as to execute a two-dimensional (2-D) M survivor multi-resolution search algorithm and procedure for a signal received over a channel. The method includes, from one search stage to a next search stage, increasing parameter resolution while fixing a number of search operations at each search stage by a predetermined number of parameter survivors (M); and determining a Maximum Likelihood joint metric based on an accumulated value of survived search stages.

Abstract: A communication system includes a transmitter having a signal generator for generating a signal for transmitting data, a transmission delay unit for repeatedly delaying the signal from the signal generator for a predetermined delay time within a symbol period and generating corresponding delayed signals, and a selector for selectively providing one of the delayed signals from the transmission delay unit to an antenna; and a receiver having a reception delay unit for receiving the signal from the transmitter and delaying the signal as long as the delay time of the transmission delay unit, and a data judgment block for discriminating data bits of the signal from the transmitter by comparing the signal from the transmitter with the delayed signal from the reception delay unit. According to the communication system, the delay time can be accurately adjusted even if the delay line is shortened, and the data bits of the communication signal can be accurately judged in the receiver side.

Abstract: A method and device for breast examination adapted for easy home use including a tactile imager probe equipped with a pressure sensor array and a motion tracking system for simultaneously recording pressure and positioning data during the examination of a breast or any other soft tissue. The method includes a step of starting the examination from a known point or an anatomical mark such as a nipple or a sternum; moving the probe towards the area of interest and oscillating it thereabout while manually or automatically recording pressure and positioning data. Subsequent data analysis identifies the presence of a lesion, calculates its location relative to the probe, estimates the location of the probe relative to the anatomical landmark and finally calculates the location of the lesion relative to that anatomical landmark. The method allows repeating examinations over time with great accuracy as they all start from the same anatomical landmark.

Abstract: A hybrid tactile sensor includes a flexible cloth-based tactile sensor array including a plurality of electrodes, each of the electrodes connected to a corresponding connecting zone of an intermediate connecting harness made from a flexible film such as Kapton®. The harness includes a common bundle of parallel conductors etched or printed onto the harness and connecting each of the connecting zones to a common terminal for further attaching to a control unit of the sensor. The use of the harness allows repeatable manufacturing of sensor arrays with large number of electrodes or when they are located close to each other. Each connecting zone may include an interconnecting pad for crimping, soldering, or adhering the electrode thereto using a conductive epoxy. Alternative embodiments describe the use of U-shaped malleable connectors, jumper wires including those equipped with U-shaped clips, and other means of attaching electrodes to corresponding connecting zones.

Abstract: Fast fading in cellular systems causes time variation of the Channel Impulse Response (CIR) resulting in significant performance degradation that is reduced by adding a pulse train to the transmitted data symbols and estimating the CIR by averaging the symbols as they vary from one OFDM symbol to another within the physical data frame (or packet).

Abstract: The present invention provides a decorative floor covering comprising a surface layer and a substrate layer underneath, wherein the surface layer comprises a polyethylene terephthalate film layer, and a method for preparing the same. Furthermore, the present invention provides a decorative floor covering comprising a surface layer and a substrate layer underneath, wherein a light weight back layer is further comprised under the substrate layer, and a method for preparing the same. A decorative floor covering of the present invention is a decorative floor covering which has superior surface heat resistance, printing sharpness and realism, and it can be installed conveniently since not only can non-foamed polyvinyl chloride resin be used as a substrate layer, but also the weight of a floor covering is light when a light weight back layer is comprised under the substrate layer.

Abstract: A pressure sensor and pressure-sensing catheter in which a deformable pressure sensing membrane is separated from an inner metalized surface on a rigid support by an air gap. An input allows a voltage to be applied to an electrode on the sensing membrane and an output allows reading of the signal modulation from the support surface. An outer sleeve overlays the membrane and a wire bus transmits the signals to a terminal connector. The catheter may include a vented air gap, a multiplexing wire bus, and an internal cable to maintain tension.

Abstract: A handle for cookware, which includes a temperature indicator to display temperature variations, is disclosed. The handle includes a mount part joined to a cookware and having a threaded hole, a grip part coupled to the mount part by a rod bolt that passes through the grip part and is screwed into the threaded hole of the mount part, and a connector part detachably coupled between the mount part and the grip part. The connector part includes a thermal conductor fitted in a fitting recess of the connector part and connected to the mount part. The thermal conductor has a thermochromic film or layer that changes in color at a predetermined temperature or higher.

Abstract: Circuits and methods that enable screening for defective or weak memory cells in a semiconductor memory device. In one aspect, a semiconductor memory device comprises first and second drivers for a SRAM cell. The first driver is connected between a power supply voltage and the cell, which supplies the power supply voltage into the cell in response to a cell power control signal. The second driver is connected between the power supply signal and the cell, which supplies a voltage lower than the power supply voltage into the cell in response to the cell power down signal.

Abstract: Circuits and methods for detecting and amplifying sensor and sensor array (102, 104) output signals are presented. According to some aspects, a nonlinear feedback loop containing a sensor element provides a nonlinear transformation that compensates for a corresponding nonlinear response of the sensor element thereby providing a linearized final output signal. In other aspects, idle sensors are coupled to a reference on non-idle sensor elements. Other aspects include sensor and amplification circuits which operate without traditional filtering or switching elements, such that a higher throughput is achieved and no settling time is required due to traditional transients, thus allowing for faster scanning of larger sensor arrays. Some embodiments of the present invention are directed to variable gap capacitive sensor arrays and the signal processing electronics.

Abstract: The present invention provides an electron gun for a cathode ray tube that forms a main focus lens of a maximum diameter within a neck of a limited diameter to thereby realize high focus performance and resolution characteristics. The electron gun includes a single cathode emitting electrons; first and second grid electrodes forming a triode portion with the cathode; a third grid electrode provided subsequent to the second grid electrode; a fourth grid electrode provided subsequent to the third grid electrode and to which a focus voltage is applied, the fourth grid electrode including an input section positioned opposing the third grid electrode and an output section connected to the input section; a fifth grid electrode mounted surrounding part of the fourth grid electrode with a predetermined gap therebetween and to which an anode voltage is applied; and a connector interconnecting the third grid electrode and the fifth grid electrode, wherein the output section of the fourth grid electrode is exposed.

Abstract: Circuits and methods that enable screening for defective or weak memory cells in a semiconductor memory device. In one aspect, a semiconductor memory device comprises first and second drivers for a SRAM cell. The first driver is connected between a power supply voltage and the cell, which supplies the power supply voltage into the cell in response to a cell power control signal. The second driver is connected between the power supply signal and the cell, which supplies a voltage lower than the power supply voltage into the cell in response to the cell power down signal.

Abstract: The present invention provides an electron gun for a cathode ray tube that forms a main focus lens of a maximum diameter within a neck of a limited diameter to thereby realize high focus performance and resolution characteristics. The electron gun includes a single cathode emitting electrons; first and second grid electrodes forming a triode portion with the cathode; a third grid electrode provided subsequent to the second grid electrode; a fourth grid electrode provided subsequent to the third grid electrode and to which a focus voltage is applied, the fourth grid electrode including an input section positioned opposing the third grid electrode and an output section connected to the input section; a fifth grid electrode mounted surrounding part of the fourth grid electrode with a predetermined gap therebetween and to which an anode voltage is applied; and a connector interconnecting the third grid electrode and the fifth grid electrode, wherein the output section of the fourth grid electrode is exposed.

Abstract: An electron gun for a color cathode ray tube includes a triode having a cathode, a control electrode and a screen electrode for producing an electron beam, and first, second, third and fourth focus electrodes and a final accelerating electrode for accelerating and focusing the electron beam. A predetermined static focus voltage is supplied to the first and third focus electrodes, a dynamic focus voltage synchronized with a deflection signal is supplied to the second and fourth focus electrodes, and an anode voltage higher than the highest dynamic focus voltage is supplied to the final accelerating electrode. Thus, by means of a dynamic and axially symmetrical lens, astigmatism of the electron beam spot on the periphery of the screen is improved, thereby forming an almost circular beam spot.

Abstract: An electrode for electro gun of a cathode ray tube includes an external electrode member formed on the top of a cup-shaped body and having a large-diameter electron beam passing hole through which three electron beams pass commonly, and an internal electrode member inserted into the external electrode member and having three separate electron beam passing holes on the top of the internal electrode, wherein protrusions are formed on the outer surface of the internal electrode member, thereby enhancing the assembly precision of the external and internal electrode members.