8949 results about "Signal transition" patented technology

A system is provided for locating a vehicle. The system comprises a transmission device such as a key fob for transmission and receiving of a signal. Typically the key fob has a plurality of indicators such as LED indicators arranged in a circle. The key fob is adapted to transmit a radio frequency or microwave frequency transmission signal. An antenna array is positioned on or in a vehicle. The array comprises a plurality of antennas, generally arranged in a circular pattern. The array is adapted to receive the transmission signal from the transmission device which is converted to be analyzed by a microcontroller unit (MCU). The MCU is adapted to: (i) receive digital data converted from the transmission signal, (ii) calculate an angle of arrival (AOA) or direction of arrival (DOA) based on known components and an algorithm, and (iii) transmit a selection signal back to the key fob. A signal processing unit is coupled to the plurality of antennas and the MCU. The signal processing unit is adapted to receive the signal transmission from each antenna, convert the signal to digital data, and transmit the digital data to the MCU.

A dual mode mobile unit is arranged to communicate in either a first or second data communications standard, such as combined Bluetooth and 802.11 operation. An interface unit converts received Bluetooth or 802.11 format signals into 802.11 frame format data signals to be provided to a digital signal processor which is programmed to process signals in either standard. The dual mode mobile unit can operate in the 802.11 standard to reserve a time interval for Bluetooth activity during which other 802.11 units will avoid-transmissions to avoid interference.

A computer software application for end-to-end management of the delivery of IP-configured integrated multimedia signals (e.g., TV, video, Website, etc.), on an interactive basis, to a subscriber device (being a personal computer (PC) and monitor coupled thereto or television/set-top box combination). The system manager comprises an interactive program guide (IPG) component configured for providing to the subscriber an interactive program guide (IPG) permitting selection of the multimedia signals by the subscriber and a subscriber device component associated with the subscriber device and configured for receiving instructions from the subscriber. The subscriber device includes a decoder configured for converting the selected IP multicast format signals into a format for display on PC monitor or television. A PC component is configured for displaying the converted multimedia signals on the PC monitor in the form of a player window and for displaying a remote controller GUI on the monitor, the remote controller GUI being a model of a hand-held remote controller and controllable by the subscriber for controlling the selection of signals from the IPG. The interactive program guide provides drop down box selection and scroll bar GUI features.

A lighting system for areal illumination is disclosed which includes a remote driver and a plurality of fixtures including luminaires, control devices, and/or standalone sensors. The luminaires include a light source whose output light level can be adjusted, a light sensor co-located therewith adapted to measure light received from adjacent fixtures, and a microcontroller capable of transmitting the output of the light sensor over wires to the remote driver. The remote driver is capable of bidirectional communication with the luminaires and provides independently controllable power for the light sources of the luminaires. A method of commissioning a lighting system is also disclosed which includes installing a plurality of luminaires above the area to be illuminated, causing a light source co-located with each luminaire to emit a signal, detecting the signal at light sensors co-located with each luminaire, converting the signals obtained by the light sensors into distance measurements between luminaires, creating a map recording the relative location of luminaires, and assigning luminaires to groups based on their relative locations in the map. A movable orb region large enough to containing a plurality of luminaires can also be defined and the light levels of individual luminaires can be set according to a defined mathematical function of their location within the orb region, where the defined mathematical function sets light levels which vary from the center to the periphery of said orb region.

Tissue sensors house one or more sensor elements. Each element has a housing mounted substrate and a superstrate with a planar antenna between. A transitional periphery (TP) of a superstrate outer surface interconnects a base to a plateau. At least some of the TP has a generally smooth transition. Plural elements are spaced by the housing. Alternately, the superstrate TP is flat, the housing extends to the outer superstrate surface and a shield surrounds the element. The housing is flush with or recessed below the superstrate and defines a TP between the housing and superstrate. A method converts a reference signal to complex form; plots it in a complex plane as a reference point (RP); converts a measurement signal to complex form; plots it in the complex plane as a measurement point (MP); determine a complex distance between the MP and the RP; and compares complex distance to a threshold.

A power adapter is provided that includes a base adapter configured to perform power conversion to supply power requirements of an electronic device from a power source. The power adapter converts the power signal from the power source into power signal compatible with the first electronic device. Input and output connectors provide coupling to the power source and electronic device, respectively. An accessory adapter can be provided and can be configured to be removably coupleable to the base adapter for modular operation. The accessory adapter can be configured to provide another power signal to power a second electronic device. Multiple accessory adapters can be added to provide power requirements for multiple devices. Security keys can be used to authenticate the power supply for security and verification purposes.

At least one exemplary embodiment is directed to a method of situation awareness facilitation for a vehicle driver comprising: receiving a first acoustic signal from outside a vehicle that the driver is in and converting the first acoustic signal into a first acoustic electronic signal; sending the first acoustic electronic signal to a processor; matching the first acoustic electronic signal by the processor to stored reference electronic signals; and sending an acoustic message associated with a matched reference electronic signal to a speaker in the cab of the vehicle.

An ear terminal includes a sealing section arranged for use in the ear meatus of a human, with an inner microphone having a sound inlet for being directed into the meatus and an electronic unit including filtering elements coupled to the inner microphone for filtering the signal from the inner microphone, the filtering elements being programmable to transform the signals based on the sounds received in the ear by the inner microphone into sounds having essentially the characteristics of spoken sounds of the wearer of the ear terminal.

System and method for measurement, DAQ, and control operations which uses small form-factor measurement modules or cartridges with a re-configurable carrier unit, sensors, and a computer system to provide modular, efficient, cost-effective measurement solutions. The measurement module includes measurement circuitry, e.g., signal conditioner and/or signal conversion circuitry, and interface circuitry for communicating with the carrier unit. The module communicates interface information to the carrier unit, which informs the computer system how to program or configure a functional unit on the carrier unit to implement the communicated interface, or sends the information directly to the computer system. The computer system programs the carrier unit with the interface, and the programmed carrier unit and measurement module together function as a DAQ, measurement, and/or control device. The carrier unit may receive multiple cartridges, each having a respective interface protocol, where the carrier unit is configurable to support the respective protocols sequentially and/or in parallel.

A serial ATA disk drive having a parallel ATA test interface is disclosed. A bridge circuit has a serial ATA port that is coupled to a serial ATA interface for receiving and transmitting serial ATA data signals, a parallel ATA port for receiving and transmitting parallel ATA signals, and a disable input for selectably disabling the parallel ATA port. The bridge circuit performs signal conversions between the ports. The test interface is for coupling the disk drive to a disk-drive test system. The test interface includes a connector having contacts for parallel ATA signals, and having a contact for a disable signal coupled to the disable input. The connector may be a pad pattern on a printed circuit of the disk drive. The disk drive may have an industry standard form factor, and the connector may be configured such that it lies within the disk drive's form factor.

The present invention allows remote antenna units for radio frequency signal transmission and receipt to operate without the requirement for remote electrical power supplies or for connecting cables that incorporate electrical conductors. According to an aspect of the present invention, an optical communications system employing radio frequency signals comprises a central unit; at least one remote unit having at least one optoelectronic transducer for converting optical data signals to radio frequency signals and converting radio signals to optical signals and at least one antenna to receive and send radio frequency signals; at least one optical fiber data link between the central unit and the remote unit for transmitting optical data signals therebetween; and at least one optical fiber power link between the central unit and the remote unit for providing electrical power at the remote unit.

A method and system for providing a disk drive is described. The disk drive includes media such as one or more disks, a slider and a head residing on the slider. The head has an air-bearing surface (ABS) and includes a touchdown sensor proximate to the ABS. The touchdown sensor is capable of detecting a temperature change of 0.1 degree Celsius or, in some embodiments, smaller. The disk drive also includes touchdown sensor control circuitry coupled with the touchdown sensor. The touchdown sensor control circuitry drives a current through the touchdown sensor and converts a signal from the touchdown sensor into an indication of whether touchdown has occurred.

A sensing system for determining the rank and suit of playing cards is disclosed. The system includes a sensing module capable of reading a line of data from a printed image, a position sensor and a hardware component that combines the signals from the sensing module and position sensor, converts the signal to binary values and compares the converted signal to stored signals. The comparisons are correlated to identify card rank and Suit. The system can be used in a playing card delivery shoe used to control the game of baccarat. The shoe may be a customary dealing shoe equipped with a sensing module, or may be a mechanized shoe. The mechanized shoe may comprise a) an area for receiving a first set of playing cards useful in the play of the casino table card game of baccarat; b) first card mover that moves playing cards from the first set to a playing card staging area wherein at least one playing card is staged in an order by which playing cards are removed from the first set of and moved to the playing card staging area; c) second playing card mover that moves playing cards from the playing card staging area to a delivery area wherein playing cards removed from the staging area to the delivery shoe are moved in the same order by which playing cards were removed from the first set of playing cards and moved to the playing card staging area; and d) playing card reading sensors that read at least one playing card value of each playing card separately after each playing card has been removed from the area for receiving the first set of playing cards and before removal from the playing card delivery area One exemplary sensing system is a CIS line scanning system with an associated card position sensor and a FPGA hardware element.

A system for wireless communication using ultrasonic signals that includes a transmission module, which receives input signals from a wireless device, modifies the received input signals in a manner that converts each received input signal into a corresponding ultrasonic signal and wirelessly transmits each said ultrasonic signal over an ultrasonic link, and a receiving module, which receives the transmitted ultrasonic signals, recovers the corresponding input signals therefrom and enables outputting each respective input signal through one or more output devices. Modification of the input signals may include compressing, encoding and modulating the input signals. The input signals may be voice audio signals for enabling to use the system for supporting phone calls by enabling ultrasonic communication between for instance, a wireless headset and a mobile phone. Transmission and receiving modules may be associated with a wireless headset and mobile phone for allowing ultrasonic and optionally RF communication therebetween.

A configurable matrix receiver comprises a plurality of antennas that detect one or more signals. The antennas are coupled to a configurable matrix comprising a plurality of amplifiers, one or more switches that selectively couple the amplifiers in series fashion, and one or more analog-to-digital converters (ADCs) that convert the output signals generated by the amplifiers to digital form. For example, in one embodiment, a matrix comprises a first amplifier having a first input and a first output, and a second amplifier having a second input and a second output, a switch to couple the first output of the first amplifier to a the second input of the second amplifier, a first ADC coupled to the first output of the first amplifier, and a second ADC coupled to the second output of the second amplifier. In one embodiment, the signals detected by the antennas include magnetic resonance (MR) signals.

The invention relates to an electrically operated medical apparatus, such as an electro-surgical apparatus comprising an electrical instrument which can be handled by a person and which is connectable or connected to an electrically operated feed and control apparatus, such as a high-frequency surgical apparatus, which is connected to a switch to be actuated by the person, by means of which a switching signal initiated by him can switch on and off one or more functions of the electrical instrument in the feed and control apparatus. In accordance with the present teaching, the switch is associated with a transmitter part which converts the switching signals into signals which can be transmitted without wires and which are transmitted via a transmitting element to a receiving element of a receiving station. The receiving element is connected to the switching input of the feed and control apparatus and transmits to the feed and control apparatus a control signal corresponding to the switching signal.

A multi-sector in-building repeater, including: a master transmitting unit for receiving multi-sector signals of a carrier from a base station, mixing the multi-sector signals with different transmission intermediate frequency signals, and outputting mixed multi-sector signals to a same transmission line; a plurality of slave transmitting units for extracting sector signals assigned to the multi-sector signals from the master transmitting unit, converting extracted sector signals into high frequency signals, and transmitting converted high frequency signals through an antenna to a mobile terminal.

A radio frequency integrated circuit includes a transmitter section, and a receiver section. The receiver section includes a low noise amplifier, down conversion module, an orthogonal-normalizing module, and a baseband processor. The low noise amplifier is operably coupled to amplify the inbound RF signals to produce amplified inbound signals. The down conversion module is operably coupled to convert the amplified inbound RF signals into baseband in-phase components and baseband quadrature components. The orthogonal normalizing module is operably coupled to obtain a 1^st and 2^nd coefficients that are based on at least one of power of the baseband in-phase components, power of the baseband quadrature components, and/or cross-correlation between the baseband in-phase component and baseband quadrature components. The orthogonal normalizing module then normalizes an orthogonal relationship between the in-phase components and quadrature components based on the 1^st and 2^nd coefficients to produce normalized in-phase components and normalized quadrature components.

Provided is an implantable RFID-enabled micro-electronic neurostimulator system comprising a) an internal subsystem having (i) an array of electrodes, where at least one electrode pair contacts a nerve; (ii) a multiplexer; (iii) digital to analog signal converter; and (iv) a RFID based control and stimulation chip; and (b) an external subsystem having (i) a controller; and (ii) an RF interface.

Systems and methods for measuring a golf swing, and more particularly to systems and methods for converting movement of an object from a first format into input device data of a second format that a computer application is configured to receive, are described. Certain embodiments of the invention include: a sensor unit including one or more sensors configured to measure movement of the object in one or more directions and create a signal representative of the movement of the object in a first format, a transmitter configured to communicate the signal, and a user station having driver software configured to receive the signal, convert the signal into simulated input device data having the second format, and provide the simulated input device data to the computer application.

A central control station, which controls radio base stations connected thereto via radio links and optical fiber links, includes a demultiplexing unit which demultiplexes signals supplied from an upper-level station, signal conversion units which convert the respective demultiplexed signals into converted signals having a unified transmission format, and a distribution unit which distributes the converted signals to the radio links and the optical fiber links.

A method of delay change determination in an integrated circuit design including a stage with a victim net and one or more aggressor nets capacitively coupled thereto, the method comprising: determining a nominal (noiseless) victim net signal transition; determining a noisy victim net signal transition; and determining a delay change based upon nominal and noisy victim signal transition arrival times at a victim net receiver output.

A signature is extracted from the audio of a program received by a tunable receiver such that the signature characterizes the program. In order to extract the signature, blocks of the audio are converted to corresponding spectral moments. At least one of the spectral moments is then converted to the signature. Also, a test audio signal from a receiver is correlated to a reference audio signal by converting the test audio signal and the reference audio signal to corresponding test and reference spectra, determining test slopes corresponding to coefficients of the test spectrum and reference slopes corresponding to coefficients of the reference spectrum, and comparing the test slopes to the reference slopes in order to determine a match between the test audio signal and the reference audio signal.

A stacked package structure of an image sensor for electrically connecting to a printed circuit board includes a substrate, an integrated circuit, an image sensing chip, and a transparent layer. The substrate has a first surface and a second surface opposite to the first surface. The first surface is formed with signal input terminals. The second surface is formed with signal output terminals for electrically connecting the substrate to the printed circuit board. The integrated circuit is mounted on the first surface of the substrate and electrically connected to the signal input terminals of the substrate. The image sensing chip is located above the integrated circuit to form a stacked structure with the integrated circuit for electrically connecting to the signal input terminals of the substrate. The transparent layer covers the image sensing chip. The image sensing chip receives image signals via the transparent layer and converts the image signals into electrical signals that are to be transmitted to the substrate. Thus, the image sensing chip of the image sensing product and the integrated circuit can be integrally packaged.

A remote-controlled camera-picture broadcast system is provided, which decreases the cost of hardware and network for the use of a lot of unspecified users. This system is comprised of a camera apparatus, a camera controller, a camera server connected to the camera controller through a first network, and clients connected to the camera server through a second network. Each of the clients transmits an operation demand for the camera apparatus to the camera server through the second network according to an input of a user. The camera server receives the operation demand from the client into which the input of the user is applied, and transmits an operation command corresponding to the operation demand to the camera controller through the first network. The camera controller controls the camera apparatus according to the operation command from the camera server so that the camera apparatus acquires a picture and produces a video signal of the picture. The camera controller receives the video signal of the picture produced by the camera apparatus, converts the video signal to a picture data, and transmits the picture data to the camera server through the first network. The camera server transmits the picture data through the second network to the client from which the operation demand has been transmitted, thereby displaying the picture of the picture data on a screen.

An input buffer includes first and second cross-coupled differential amplifiers. Each amplifier drives a buffer signal from a first logic state to a second logic state at a first slew rate when input signal transitions from a first logic state to a second logic state and a complementary input signal transitions from the second logic state to the first logic state, and drives the buffer signal from the second logic state to the first logic state at a second slew rate when the signal transitions are the complement of these previous transitions. An output circuit generates a first edge of an output signal when the buffer signal from the first amplifier transitions from the first logic state to the second logic state and generates a second edged of the output signal when the buffer signal from the second amplifier transitions from the first to the second logic state.

A system for communicating modulated EHF signals may include a modulation circuit responsive to a bi-level transmit information signal for generating a transmit output signal. The transmit output signal may have an EHF frequency when the transmit information signal is at a first information state and may be suppressed when the transmit information signal is at a second information state. A transmit transducer operatively coupled to the modulation circuit may be responsive to the transmit output signal for converting the transmit output signal into an electromagnetic signal.

Apparatus and methods for universal node design implementing a universal learning rule in a mixed signal spiking neural network. In one implementation, at one instance, the node apparatus, operable according to the parameterized universal learning model, receives a mixture of analog and spiking inputs, and generates a spiking output based on the model parameter for that node that is selected by the parameterized model for that specific mix of inputs. At another instance, the same node receives a different mix of inputs, that also may comprise only analog or only spiking inputs and generates an analog output based on a different value of the node parameter that is selected by the model for the second mix of inputs. In another implementation, the node apparatus may change its output from analog to spiking responsive to a training input for the same inputs.

An arrangement and method for converting an input signal into a mechanical or acoustical output signal by using a transducer and additional means for generating a desired transfer behavior and for protecting said transducer against overload. Transducers of this kind are for example loudspeaker, headphones and other mechanical or acoustical actuators. The additional means comprise a controller, a power amplifier and a detector. The detector identifies parameters of the transducer model if the stimulus provides sufficient excitation of the transducer. The detector permanently identifies time variant properties of the transducer for any stimulus supplied to the transducer. The controller provided with this information generates a desired linear or nonlinear transfer behavior; in particular electric control linearizes, stabilizes and protects the transducer against electric, thermal and mechanical overload at high amplitudes of the input signal.

The invention relates to an arrangement and a method for converting an input signal v into an output signal p(r_a) by using an electro-mechanical transducer and for reducing nonlinear total distortion p_d in said output signal p(r_a), whereas the nonlinear total distortion p_d contains multi-modal distortion u_d which are generated by nonlinear partial vibration of mechanical transducer components. An identification system generates distributed parameters P_d of a nonlinear wave model (N_d) and lumped parameters P_l of a network model (N_l) based on electrical, mechanical or acoustical state variables of transducer measured by a sensor. The nonlinear wave model distinguishes between activation modes and transfer modes, whereas the activation modes affect the transfer modes, which transfer the input signal u into the output signal p. A control system synthesizes based on the physical modeling and identified parameters P_d and P_l nonlinear distortion signals v_d and v_l which are supplied with the input signal v to the transducer and compensate for the distortion signals u_l and u_d generated by the transducer nonlinearities.