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JP2001094533A |
To provide an interference canceling device which can improve BER characteristics of demodulated signals regarding respective user signals sufficiently by a small number of stages. An error signal rn,m-1 is inputted to an interference ca...
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JP3152217B2 |
To provide a wired transmission device which can eliminate delay due to the transmission of fast data. This device has a rate converter 7 which adjusts the transmission rate of interleaved data so that the amount of fast data in a symbol...
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JP3151623B2 |
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JP3150700B2 |
Audio signals are descrambled by double sideband modulating the scrambled audio signal with a modulation carrier having a carrier frequency slightly above the highest audio signal present in the scrambled audio. This produces a double si...
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JP3149866B2 |
To suppress the occurrence of noise in a radio data reception period and to prevent the deterioration of reception sensitivity by delaying a liquid crystal AC signal when the radio data reception period is overlapped with the output peri...
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JP2001069036A |
To allow a spread spectrum receiver to be immune to multi-path fading. A spread spectrum transmitter 1 applies spread spectrum processing to a transmission signal and applies double side wave band modulation to the result of spread spect...
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JP2001068980A |
To output a clock modulated equally with a base clock on the average by calculating the position of a switching edge following a prescribed switching edge by a specified expression for calculation. The position of a switching edge follow...
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JP2001060923A |
To effectively reduce a multi-pass noise in every musical genre by adjusting a stereo signal based on a stereo separation amount and a high-cut amount corresponding to identifying data when a multi-pass level included in an intermediate ...
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JP3137971B2 |
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JP3135877B2 |
To reduce a frequency converting part a signal outputted from local oscillator circuit from affecting other frequency converting parts by accommodating respective frequency converting parts in a different chassis and coupling them with a...
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JP3137328B2 |
To simply eliminate remote end crosstalk for bus transmission without increasing a physical distance between signals in the case of sending the signals in the same direction with respect to the forward remote end crosstalk noise eliminat...
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JP2001036421A |
To improve a transmission characteristics by reducing a demodulation error of transmission data in a receiving side. A receiving side suppresses the frequency induction noise component of a radio wave introduced to a transmission line 2 ...
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JP3129351B2 |
PURPOSE: To suppress current consumption and an adjacent channel leakage power at talking within a specified value in the mobile telephone set. CONSTITUTION: The telephone set is provided with a transmission circuit 10, a reception circu...
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JP2001024538A |
To prevent generation of sensitivity suppression in the frequency of a channel signal in radio equipment due to the higher harmonics of a clock signal.In the radio equipment provided with a radio part 103 for receiving and demodulating s...
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JP2001016171A |
To improve the distortion rate and sound quality of an audio signal caused by noise removal due to pre-hold.Concerning this noise removing circuit, a source signal is delayed by a delay circuit 1 and impressed to one input of a selector ...
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JP3125441B2 |
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JP2001007750A |
To highly accurately remove a creeping interference signal, and to stabilize operation, and to make it difficult to generate oscillation phenomenon.This radio relay system is provided with a detector 3 for detecting a signal received by ...
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JP3122102B2 |
The electronic apparatus includes at least a receiver having synthesizer section for selecting a receiving frequency and providing an information signal corresponding to the selected receiving frequency, a micro-computer operating on a c...
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JP2000353036A |
To provide a portable telephone device by which an adverse effect due to emitted noise to a receiving part is avoided and a reception processing is exactly performed.In the portable telephone device 1, a bus 6 for display connection to c...
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JP3117608B2 |
PURPOSE: To provide a noise elimination device where circuit scale is small, cost is low and mass-production is easy and a receiver. CONSTITUTION: The analog part 11 of a receiver 1 0 has a reception means 13 supplying an input signal by...
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JP3119292B2 |
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JP2000349693A |
To suppress the mixed noises by providing a mixed noise countermeasure device on a transmission path of up signals to turn on a gate switch and to transmit the on signals only when the up signals are detected synchronously with each othe...
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JP2000349722A |
To obtain a voice information guidance system that can prevent a grating sound outputted from a receiver in a silencing state caused when the same transmission frequency is set to a plurality of transmitters.An oscillator 18 generates a ...
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JP2000341151A |
To provide a communication unit where leakage from a carrier signal from an oscillator block and leakage of a noise or the like into the oscillator block hardly take place.This communication unit is provided with an oscillator block 210 ...
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JP2000341165A |
To provide communications equipment where an oscillating frequency of an operating lock is easily set at high speed with high accuracy, so as to reduce noise by harmonic components, thereby avoiding disturbance on a reception function an...
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JP2000324183A |
To treat an adjacent channel interference by including the information different from the display other than the digital displays into the information included in one of digital displays which include the signal information and transmitt...
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JP3105820B2 |
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JP3106057B2 |
PURPOSE: To normally operate both of an adjacent transmission and a non-adjacent transmission by a simple circuit. CONSTITUTION: The level of the television broadcasting signal in an input terminal 52 is adjusted by the variable attenuat...
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JP3104773B2 |
PURPOSE: To notably abate the noise mixed in the wireless reception part by suppressing the needless high-frequency component radiated from the recording and reproduction part within the title recording and reproduction device having wir...
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JP3102986B2 |
PURPOSE: To provide an active noise erasing device with which stable operating in a frequency stabilized area can be maintained and further, operating at a low sampling rate is enabled. CONSTITUTION: An active noise erasing device 100 in...
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JP2000295096A |
To reduce leakage to a PLL circuit from an output line and to prevent a malfunction of the PLL circuit in a high frequency device such as a receiver and a transmitter provided with an oscillator undergoing PLL control. This high frequenc...
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JP2000295184A |
To provide a reception device preventing the deterioration of reception performance owing to noise by outputting a reset inhibition signal to a reset means for inhibiting rest signal output from the reset means and stopping the output of...
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JP2000293254A |
To suppress electromagnetic wave noise generated from CPU during waiting. In a noise reduction method, plural tasks 12A-12N to which priority is allocated under the control of management software 11 operated by CPU 10 are arranged and a ...
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JP2000289545A |
To provide a vehicular control device capable of eliminating interference between the signals received by a radio receiver and higher harmonic components of clock signals of an electronic control unit and keeping the period of control of...
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JP2000513896A |
In a receiver, two tuners (TUN1,TUN2) provide concurrent reception of mutually different signals. The two tuners are merged into one module (MOD). This may give rise to mutual interference. However, there are various cost-efficient measu...
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JP2000286745A |
To obtain a common antenna system with not a large size that can prevent a sneak path of a transmission signal to a receiver side without the use of a filter with high Q. An antenna of the common antenna system 1 is used in common for tr...
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JP2000286126A |
To provide a confluent noise remover in a high-frequency transmission system, which can completely remove confluent noise in a common mode flowing through a coaxial cable in its transmission line. In this flow noise remover, a primary wi...
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JP3097022B2 |
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JP3096733B2 |
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JP3096734B2 |
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JP2000278330A |
To provide a signal line driving circuit capable of controlling a through rate and suppressing the generation of noises by reducing a spike current without being affected by the stray capacity of a signal line. A capacitor C1 is charged/...
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JP2000278860A |
To prevent a subscriber-side terminal device from being affected by streamed noises by imparting a function interrupting the streamed noises flowing into the subscriber-side terminal device from a system-side transmission line to a prote...
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JP2000513183A |
An electromagnetic and/or electric interference suppression device that reduces the severity of electromagnetic and/or electric interference of an asymmetric system. The suppression device utilizes an antenna to develop a voltage that is...
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JP2000269899A |
To obtain a noise elimination device that eliminates even a voice signal or a noise signal with a characteristic similar to that of the voice signal that has been unable to be eliminated by a conventional noise canceller so as to realize...
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JP2000512450A |
The invention concerns a method and apparatus for implementing a wireline transmission connection, especially a VDSL transmission connection. The transmission connection is implemented in electric form so that a separate frequency range ...
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JP3088368B2 |
A direct conversion receiver includes a reference clock signal generating section for generating reference clock signal. An amplifier section amplifies a received signal and extracts a desired signal from the amplified signal. An extract...
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JP3087784B2 |
PURPOSE:To provide the stable noise reduction characteristic due to the change of element parameters and to simplify the design by selecting the main inductance so as to keep resonance frequency low as compared with the switching frequen...
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JP2000244359A |
To provide a high frequency device capable of preventing deterioration of the receiving sensitivity of another terminal device even when a transmission frequency band newly added to the side of a terminal device is arranged close to a cu...
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JP2000241534A |
To securely eliminate the noise component of vibration and acoustic components and at the same time securely eliminate a noise component for indicating an abrupt change. In a noise-eliminating device, an acoustic component from an acoust...
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JP3084799B2 |
An ignition distributor wherein at least either one of the discharge element of a stationary electrode and the discharge element of a rotary electrode are composed of a sintered body comprising at least a ferrite and silicon oxide and ha...
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