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7587223 |
Terminal for mobile phone and method for controlling the synchronism of terminal for mobile phone
In a mobile phone terminal, in which a sound, such as the audio, may be synchronized with a moving picture even in case a sound processor unit processing the sound, such as audio, is controlled by...
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7471702 |
Methods and apparatus for implementing, using, transmitting, and/or receiving signals at least some of which include intentional null tones
Base stations transmit strip signals using strip signal segments and self supporting modulation scheme techniques facilitating rapid channel estimate. A strip segment occupies one OFDM symbol time...
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7389093 |
Call method, call apparatus and call system
A call apparatus, a call method and a call system, are disclosed, in which the problem otherwise caused by fixed setting of the sound volume level of the BGM or the effect sound with respect to the...
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7386306 |
Multi-carrier communications methods and apparatus
Methods and apparatus for implementing a multi-carrier communications system are described. Various approaches to a phased system deployment and system configurations resulting from different...
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7313380 |
Variable resolution A/D converter
A variable resolution analog-to-digital converter includes a sample-and-hold circuit including a plurality of sample-and-hold units which are connected in parallel and selectively activated...
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7310378 |
Estimating a transmission channel with pilot symbols distributed in lattice structure
A method for estimating a transmission channel from a multicarrier signal transmitted through said transmission channel, comprising real pilot symbols and so-called pure imaginary pilot symbols,...
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7297756 |
Melt-adhesives for sealing off rocks or building materials
Polyamide hot-melt adhesives based on the reaction products of polymeric fatty acids, C 14 -C 18 monocarboxylic acids, C 6 -C 12 dicarboxylic acids and diamines which do not contain any...
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7212840 |
Cellular phone and incoming call reception informing method
Incoming call tones and program numbers as numbers used to specify respective incoming call tones are stored in a memory of a cellular phone so as to be set in correspondence to each other. The...
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7139567 |
Tone based command system for reception of very weak signals
This disclosure presents a communication receiver system for spacecraft that includes an open loop receiver adapted to receive a communication signal. An ultrastable oscillator (USO) and a tone...
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6751470 |
Versatile RF front-end multiband mobile terminals
A function-oriented manufacturing approach in RF front-end architecture for use in a multi-band mobile phone. Electronic components in a front-end module, such as low-noise amplifiers that require...
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6433673 |
Digital enunciator, process and communication system employing same
A receiver in a communication system is coupled to a transmission channel for receiving communication signals transmitted over a transmission channel. The receiver includes signal receiving...
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6101257 |
Audio signal processor
An audio signal processor is disclosed which has at least one audio signal input and at least one audio signal output as well as at least one control input, and an audio signal processing unit...
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6014551 |
Arrangement for transmitting and receiving radio frequency signal at two frequency bands
The present invention relates to an arrangement for transmitting a radio-frequency signal at two different frequency bands and for receiving at two different frequency bands. The arrangement can be...
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5680468 |
Methods of and systems for speaker equalization in automotive vehicles having convertible tops
Automobiles having convertible tops and audio systems are provided with a first audio equalization mode for closed car conditions and a second audio equalization mode for open car conditions. The...
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5631714 |
Apparatus for automatically adapting the mean sound level of a television receiver
A system for automatically adapting the mean sound level of a television receiver. The system for automatically adapting the mean sound level of a television receiver comprises an adapting module...
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5530924 |
Radio station memory presets with stored audio effects
Selected broadcast stations are stored in a memory and accessed using preset memory buttons on a radio receiver. Audio effects such as tone settings and sound-field simulations are adjusted for a...
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5524290 |
Adaptive graphic equalizer and radio using same
An adaptive graphic equalizer (200, 400) has various ordinarily fixed parameters (such as center frequencies, filter bandwidths, and step response sensitivity) that are automatically altered to...
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5448757 |
Audio signal modulating system with pre-emphasis
An FM audio system has an FM tuner, a CD player, a stereo modulator for modulating an audio signal from the CD player to produce a composite signal so as to be received by the FM tuner for...
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5438689 |
Radio receiver for a vehicle having improved audibility for speech
A radio receiver having switching-over to traffic announcement wherein the bass and treble frequency responses and the volume are changed to a value which is subjectively optimum for the respective...
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5263188 |
Fade compensated tone control method and apparatus
A vehicle radio having a microprocessor based control has bass and treble tone controls and a fade control to produce digital settings. A tone adjusting arrangement compensates for the effect of...
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5241696 |
Tuner with selective equalization of different program sources
Tuner for receiving a plurality of receiving frequencies and audio system having a plurality of audio components, characterized by the provision of a device for generating a designation command for...
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5228091 |
Loudness control circuit for selectively emphasizing both high frequency and low frequency components
A loudness control circuit having a sound volume adjusting variable resistor with a center tap is provided. The loudness control circuit has a buffer circuit of low output impedance having an input...
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4466118 |
Dual range audio level control
A circuit providing a known change in a parameter of a function without interfering with the basic operation of the function is utilized in an audio circuit "loudness contour" control. Bass and...
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4454509 |
Apparatus for addressably controlling remote units
A load management system which includes a central message generator and a plurality of addressable remote load controllers which selectively connect and disconnect high power deferrable loads to...
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4320534 |
Loudness control circuit
In a loudness control circuit, the output DC voltage of a first variable DC voltage source is applied to a first amplifier for increasing volume to vary the gain of the latter, and to first and...
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4205274 |
Power amplifier circuit
A power amplifier circuit is mainly composed of an amplifier including an input transistor, a driving transistor and a power amplifying transistor. This power amplifying transistor is connected at...
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3849601 |
VOLUME AND TONE CONTROLS FOR MULTICHANNEL AUDIO SYSTEMS
A single volume control and a single independent tone control set a plurality of audio channels. Each channel contains a gain-controllable differential amplifier operated as small-signal amplifier,...
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3613011 |
VARACTOR TONE CONTROL APPARATUS
A remotely located potentiometer is manually adjustable so as to vary the capacitance of a varactor which defines a degenerative feedback for regulating the frequency response of an audio amplifier...
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3452282 |
AUTO RADIO VOLUME AND TONE CONTROL CIRCUIT
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3449681 |
AMPLIFIERS WITH TONE CONTROLS
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3349331 |
Distortionless volume-tone control circuit
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3153198 |
Tone control for a locked oscillator detector circuit
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2943190 |
Tone and volume control
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2926240 |
Radio control apparatus
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2801332 |
Frequency-stabilizing circuit responsive to two pilot tones for radio receiver
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