41results about How to "High-quality signal" patented technology

A display device includes a display section and a video signal generating section. The display section displays n video pictures in n viewing directions on one and the same screen on a basis of a video signal where n indicates natural number. First particular number of pixels are arranged in a first direction in the display section. The video signal generating section arranges pixels of each of n video source signals at predetermined intervals in a first direction to generate the video signal. Each of the n video source signal indicates a video picture in which second particular number of pixels are arranged in the first direction. The second particular number is less than the first particular number.

Systems, devices and methods of generating both a precision electrical timing signal as well as a precision optical timing signal. A novel, modified opto-electronic loop oscillator is used to drive a harmonic mode-locked laser. A novel opto-electronic loop has a larger “Q” factor by increasing the electrical loop oscillating frequency ω0 by using a beat note created by the selection of two optical longitudinal modes from the mode-locked laser. The beat note is detected and divided down to drive a modulator that mode-locks the laser. The frequency division stage also reduces the noise.

According to a preferred embodiment of the present invention, in order to provide a tilt control method and optical disc apparatus capable of exerting control to eliminate tilt and capable of carrying out an appropriate gap servo operation, a light gathering element positioned facing a disc recordable with a signal, and capable of gathering light irradiated from a light source as near-field light at a position where a distance to the disc constitutes a first distance is made to come into contact with the disc (step 2), and tilt is controlled with the light gathering element in contact with the disc (steps 3 to 7). As a result, tilting with respect to the disc is adjusted with the SIL in contact with the disc, tilting can be eliminated in a reliable manner, and a gap servo operation can be carried out in an appropriate manner.

An apparatus having a combined magnetic resonance apparatus is proposed. The magnetic resonance apparatus features at least one main magnet for generating a main magnetic field in an examination space for a magnetic resonance measurement, and a radiation therapy apparatus, which is provided to generate a particle beam and which features a beam guide. The magnetic resonance apparatus features an essentially magnetic-field-free region and the beam guide for the particle beam runs along the essentially magnetic-field-free region.

Provided is a demultiplexer capable of improving attenuation characteristic and isolation characteristic of a filter having a lower transmission frequency band among two filters having different transmission frequency bands, outside the transmission frequency band of a high-frequency side. A communication device using the demultiplexer is also disclosed. A first spiral wiring portion (55) and a sixth wiring portion (56) are formed so that an angle defined by a direction of a part (L1) of the first spiral wiring portion (55) and a direction of a part (L2) of the sixth spiral wiring portion (56) on a predetermined virtual plane is, for >example, 0 degree and the direction of the current flowing in the part (L1) of the first spiral wiring portion (55) is opposite to the direction of the current flowing in the part (L2) if the sixth wiring portion (56).

A noise reducing apparatus includes: a voice signal inputting unit inputting an input voice signal; a noise occurrence period detecting unit detecting a noise occurrence period; a noise removing unit removing a noise for the noise occurrence period; a generation source signal acquiring unit acquiring a generation source signal with a time duration corresponding to a time duration corresponding to the noise occurrence period; a pitch calculating unit calculating a pitch of an input voice signal interval; an interval signal setting unit setting interval signals divided in each unit period interval; an interpolation signal generating unit generating an interpolation signal with the time duration corresponding to the noise occurrence period and alternately arranging the interval signal in a forward time direction and the interval signal in a backward time direction; and a combining unit combining the interpolation signal and the input voice signal, from which the noise is removed.

A signal processing system for performing noise reduction processing on signals from an image pickup device in front of which is arranged a color filter. The system includes extracting unit for extracting a local region formed by a target region which noise reduction processing is performed and at least one or more nearby regions which exist neighborhood of the target region, Y / C separating unit for separating luminance signals and color difference signals for each of the target region and the nearby regions, selecting unit for selecting the nearby regions similar to the target region, noise estimating unit for estimating the amount of noise from the target region and the selected nearby regions, and noise reduction unit for reducing noise in the target region based on the amount of noise.

A base station system for mobile communication between a mobile terminal and a base station controller, the base station system utilizing a digital modem unit for receiving a signal to be transmitted to the mobile terminal from the base station controller, framing the received signal according to a frame format for transmission different than an Ethernet specified data format, the frame format being a predetermined remote RF (radio frequency) unit frame, the digital modem unit transmitting a plurality of the remote RF unit frames in series over an Ethernet using twisted pair cable, at least one remote RF unit hub receiving the remote RF unit frames transmitted by the digital modem unit and distributing the received remote RF unit frames to a plurality of remote RF units via the Ethernet using twisted pair cable, and the plurality of remote RF units producing a deframed signal by deframing the remote RF unit frames received from the remote RF unit hub, modulating the deframed signal to an RF signal, and transmitting the RF signal to the mobile terminal, wherein the remote RF unit frames are divided into a traffic frame for use in transmitting traffic data, which is transmitted and received by the mobile terminal and a control frame for use in transmitting a control address and control data, the control address differentiating the plurality of remote RF units from one another, the control data containing a command to control operation and functions of the plurality of remote RF units.

A method and system for producing higher quality electromyogram (EMG) signals utilizes an array of electrodes for sensing a plurality of EMG signals in an electrically active region of a subject's muscle. A weighting function is applied to the EMG signals to produce weighted signals. This weighting function contains correction features for the relative locations of the center of the electrically active region and the electrodes. The quality of the weighted EMG signals is evaluated, and the weighted signals or sum or mean of the weighted signals whose evaluated quality is insufficient are replaced. A sum or mean of a feature of the weighted signals is calculated to produce a higher quality electromyocardiographic signal. The method and system can also be used to determine signal strength or frequency contents of a signal falling outside the array of electrodes.

The invention discloses a projection-type capacitive touch screen system time domain noise reduction method by space differentiation. The method includes the steps that (1), a plurality of identical artificial circuit processing elements and relevant selection controllers are arranged inside a touch screen control chip; (2), a reference inducing line set of any target touch screen inducing line set to be processed in a touch screen inducing line array is selected according to space distribution; (3), identical imitation processors are used for driving and reading a target sensor and a reference sensor simultanously; (4), information of the target sensor and the reference sensor is judged; (5), the steps of (2), (3) and (4) are repeated until all target inducing lines of the touch screen are processed to finish one frame; (6) according to the distribution of status values of the inducing lines of the frame, finger touch points are calculated and judged, and time or space misinformation touch points are eliminated according to former frame information; and (7), according to the state of a current frame, the step (2) is returned or other operation is performed. According to the projection-type capacitive touch screen system time domain noise reduction method by the space differentiation, the system performance can be effectively improved, and the power consumption is reduced.

A mobile station measures channel variation in a time direction and channel variation in a frequency direction, and selects a CQI compression method to be actually applied, on the basis of a CQI updating cycle, a CQI channel size, the channel variation in the time direction and the channel variation in the frequency direction transmitted from a base station. The mobile station notifies the base station of CQI format information associated with the selected CQI compression method together with a measured CQI value. On the basis of the CQI format information, the base station analyzes in what compression method the CQI value is compressed, and executes scheduling in accordance with a result of the analysis.

An apparatus with a combination of a magnetic resonance apparatus is proposed. The apparatus has at least one main magnet for generating a magnetic field in an examination area for a magnetic resonance measurement and a radiotherapy apparatus which is designed for generating a particle beam. A direction of a speed of the particle beam is aligned substantially in parallel to a direction of a magnetic flux density of the magnetic field.

Systems, devices and methods of generating both a precision electrical timing signal as well as a precision optical timing signal. A novel, modified opto-electronic loop oscillator is used to drive a harmonic mode-locked laser. A novel opto-electronic loop has a larger “Q” factor by increasing the electrical loop oscillating frequency ω0 by using a beat note created by the selection of two optical longitudinal modes from the mode-locked laser. The beat note is detected and divided down to drive a modulator that mode-locks the laser. The frequency division stage also reduces the noise.

According to a preferred embodiment of the present invention, in order to provide a tilt control method and optical disc apparatus capable of exerting control to eliminate tilt and capable of carrying out an appropriate gap servo operation, a light gathering element positioned facing a disc recordable with a signal, and capable of gathering light irradiated from a light source as near-field light at a position where a distance to the disc constitutes a first distance is made to come into contact with the disc (step 2), and tilt is controlled with the light gathering element in contact with the disc (steps 3 to 7). As a result, tilting with respect to the disc is adjusted with the SIL in contact with the disc, tilting can be eliminated in a reliable manner, and a gap servo operation can be carried out in an appropriate manner.

An ignition coil, spark plug, and pressure sensor for an internal combustion engine are, in a preferred embodiment, integrated into a single assembly and mounted directly on a plug hole of an internal combustion engine. A hard spark plug shell serves as a pressure member and on which a strain gage is affixed. Changes in the pressure in the combustion chamber deform the shell, causing a corresponding change in the resistance of the strain gage. A bridge circuit or the like is used to measure the resistance change thereby providing a direct indication of cylinder pressure.

Corresponding to transmission data 101, phase controller 105 is controlled to shift a phase of modulated signal 103 by 0° or 180°. Planes of polarization of modulated signals to be transmitted from antennas 106 and 107 are made different from each other corresponding to transmission data 101. The electric field strength of a signal received at antenna 108 changes corresponding to the plane of polarization, thereby voltage value 113 output from electric field strength detector 111 varies corresponding to transmission data 101, and using this variation, judged result 115 is obtained. Two results, namely, demodulated data 112 and judged result 115 are input to comparing circuit 116, whereby the reception apparatus is capable of obtaining received data 117 with high quality.

A method for producing a mold having a fine groove-ridge pattern on the surface thereof is disclosed. The method includes: a release layer forming step of forming, on a surface of a Si original plate having a groove-ridge pattern, a release layer made of a metal film containing a metal having an ionization tendency lower than that of hydrogen (for example, at least one metal selected from the group consisting of Pt, Os, Ir, Au, Ru and Pd); an electroforming step of electroforming, after the release layer has been formed, a metal substrate forming a mold; and a releasing step of releasing a duplicated plate including the release layer and the metal substrate from the Si original plate after the electroforming step.

The present invention is directed to a videophone system implemented over a cable television network. The instant invention provides a videophone comprising a camera for capturing images associated with a videophone signal, a videophone unit and a set top terminal or cable modem connecting the videophone to a cable television network. Videophone signals created at the call origination site are encoded and transported to a predetermined destination over an existing cable television network. The system uses IP addresses as phone number on the network. Additionally, transport of videophone signals between different cable systems is accomplished via a high-speed long distance data network, such as, for example, a satellite network, that provides communication between the headends of the different cable television systems. The set top terminal may be a conventional subscriber terminal, a cable modem or a subscriber terminal configured to operate as a cable modem. The set top terminal provides the interface between the videophone and the cable television system. More than one videophone may be connected to a single set top terminal. Display of videophone data may be achieved using any conventional display device, including a television set or a personal computer monitor. Accordingly, the videophone system described herein takes advantage of increased bandwidth and lower cost realized by using existing cable television infrastructure and technology.

An electrical connector includes an insulative housing (1) with a rear portion (11) and a front portion (12) along a first direction (A), a spacer (4) assembled on the rear portion (11) which has a plurality of first wedged positioning sections (42, 43) in an inner side thereof and arranged along a second direction (B) and a plurality of contacts (2) received in the insulative housing and comprising a soldering portion (203) extending out of the insulative housing. The spacer (4) includes a plurality of positioning grooves (45) in an external side thereof for receiving and positioning the soldering portions (203c) of one part contacts (23) located at an upper side of the front portion (12). The soldering portions (203a, 203b) of the other contacts (21a, 21b) are sandwiched between the spacer (4) and the rear portion (11) thereby forms a waved configuration.

An apparatus for determining roll angle of a motorcycle (1) as when taking a curve or bend in a road. The apparatus includes a first gyro sensor (11) that provides a roll rate signal, a second gyro sensor (12) that provides a yaw rate signal, and a velocity sensor (36). The apparatus is configured to integrate the roll rate signal to obtain a first intermediate roll angle value and to determine a second intermediate roll angle value from the yaw rate and the vehicle velocity. The apparatus combines the two intermediate roll angle values into an output value for the roll angle that can be used by a servo (50) to adjust the orientation of the headlamp so that the beam pattern remains leveled with the horizon when the motorcycle (1) rolls when taking a curve.

A distortion compensating technique applied to a transmitter for transmitting a quadrature modulated signal in a wireless digital communication system is provided. A phase adjustment value is determined for a quadrature demodulated feedback signal based on comparison between the feedback signal and a reference signal to be transmitted from the transmitter. This phase adjustment value is compared with the previous phase adjustment value. If the comparison result between the current and previous phase adjustment values satisfies a prescribed condition, correction for quadrature modulation, such as DC offset correction, orthogonality correction, or IQ amplitude correction, is performed.

The present invention is directed to a videophone system implemented over a cable television network. The instant invention provides a videophone comprising a camera for capturing images associated with a videophone signal, a videophone unit and a set top terminal or cable modem connecting the videophone to a cable television network. Videophone signals created at the call origination site are encoded and transported to a predetermined destination over an existing cable television network. The system uses IP addresses as phone number on the network. Additionally, transport of videophone signals between different cable systems is accomplished via a high-speed long distance data network, such as, for example, a satellite network, that provides communication between the headends of the different cable television systems. The set top terminal may be a conventional subscriber terminal, a cable modem or a subscriber terminal configured to operate as a cable modem. The set top terminal provides the interface between the videophone and the cable television system. More than one videophone may be connected to a single set top terminal. Display of videophone data may be achieved using any conventional display device, including a television set or a personal computer monitor. Accordingly, the videophone system described herein takes advantage of increased bandwidth and lower cost realized by using existing cable television infrastructure and technology.

A noise suppression apparatus (5) for use in a receiver includes an input terminal (17) adapted to receive an inbound signal. A channel splitter (18) is coupled to the input terminal and configured to split the inbound signal into a substantially identical first signal (20) and second signal(22). A first mixer (24) coupled to the channel splitter and configured to receive the first signal, and a second mixer (30) coupled to the channel splitter and configured to receive the second signal. A first local oscillator (26) is coupled to the first mixer and configured to generate a first LO frequency signal (L01), and a second local oscillator (32) coupled to the second mixer and configured to generate a second LO frequency signal (L02), where the first LO frequency signal and second LO frequency signal differ from one another. The first mixer is configured to mix the first signal with the first LO frequency signal to create a first mixed signal, and the second mixer is configured to mix the second signal with the second LO frequency signal to create a second mixed signal. A combiner (44) is coupled to the first mixer and the second mixer and configured to combine the first mixed signal with the second mixed signal to create a noise suppressed output signal.

A master information carrier for magnetic transfer includes a base sheet which is formed of a magnetic material. The master information carrier is provided with an irregularity pattern representing information to be transferred to a magnetic recording medium and a magnetic layer formed along the irregularity pattern. The saturation magnetization Mm of the magnetic layer and the saturation magnetization Ms of the base sheet satisfy the condition1.0<Mm / Ms<100.

The invention provides a method and a module for enhancing a periodic one-dimensional bar code signal. The method comprises the steps of a, determining a frame period T of a signal acquired by an analog front end, and acquiring Y frames with T as a period; B, sampling the Y frames to obtain Y sampling sequences, wherein each sequence is expressed as x[i][0], x[i][1], x[i][2]......x[i][m-1], wherein Fs=N*(1 / w); c, carrying out weighting processing by use of a weighted sliding window, wherein a window sequence is w[0], w[1],......, w[m-1], carrying out weighting processing on the sampling sequence x[i] in each period, obtaining Y sequences h after weighting, wherein each sequence is expressed as h[i][0], h[i][1], h[i][2],......,h[i][m-1], i=0, 1, ..., (Y-1), h[i][j]=w[j]*x[i][j], and j=0, 1, 2, ...(m-1); d, sliding the weighted Y sequences h in step c with the period T in step a, accumulating signal sequences h in time domain to obtain a repetition-frequency accumulated signal sequence y[0], y[1], y[2],......y[m-1], wherein the formula is as shown in the description, j=0,1,......m-1; e, carrying out extraction on the sequence y in step d with the frequency of Fs / N in step b; and f, selecting a threshold G, and carrying out 1 / 0 judgment on the sequence b.

A semiconductor device includes: a first substrate having a sensing portion detecting predetermined information; a second substrate having a first processing portion processing data supplied thereto from the sensing portion; and a third substrate having a second processing portion processing data supplied thereto either from the first substrate or from the second substrate.

An electronic device may include: a housing; a display configured to be viewed through a first portion of the housing; a photoplethysmogram sensor exposed through a second portion of the housing and configured to measure a biometric signal from a body part of a user while being in contact with the body part of the user; a fastening structure connected to the housing and configured to be attached to the body part of the user; a wireless communication circuit; a processor provided inside the housing and operatively connected to the display, the photoplethysmogram sensor, and the wireless communication circuit; and a memory operatively connected to the processor. The memory stores instructions, when executed, to allow the processor to: receive data from the photoplethysmogram sensor; determine a first parameter; determine a distance between the body part of the user and the fastening structure; and provide user guidance information on the display.

To improve the quality of the demodulated signal without altering the form in which an AM radio wave is transmitted, the received amplitude-modulated signal is converted to a single-sideband signal, and the information signal demodulated from the phase term of this converted single-sideband signal.