Class 455/267 - Tone control

Subclass of Class 455 - Telecommunications
Definition: Subject matter including significant details of means whereby
No. of patents: 26
Last issue date: 05/18/2010

Number	Title	Issue Date
7720455	Sidetone generation for a wireless system that uses time domain isolation A technique includes providing a sidetone path to generate sidetone content in response to audio data and disabling at least part of the sidetone path during an active mode of a radio. The technique includes storing the sidetone content in an outgoing audio buffer t...	05/18/2010
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 call voice may be overcome. A decoded output of a decoder 17 ...	06/17/2008
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 levels of deployment are described. In addition mobile node and methods of...	06/10/2008
7362818	Amplitude and phase comparator for microwave power amplifier A predistortion power amplifier architecture has a power amplifier which receives an input via an amplitude modulator and a phase modulator. A sample of the output of the amplifier and a sample of the input to the amplifier are applied to an adaptive pre-distorter s...	04/22/2008
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 corresponding to a required resolution to sample and hold an analog input si...	12/25/2007
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, consists in selecting one or several values zk of the receiv...	12/18/2007
7297756	Melt-adhesives for sealing off rocks or building materials Polyamide hot-melt adhesives based on the reaction products of polymeric fatty acids, C14-C18 monocarboxylic acids, C6-C12 dicarboxylic acids and diamines which do not contain any water-extractable, environmentally toxic c...	11/20/2007
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 program numbers are used to specify corresponding incoming call tone mel...	05/01/2007
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 detector are connected to the open loop receiver. The open loop receiver...	11/21/2006
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 the demanding silicon bipolar process, are fabricated separately from...	06/15/2004
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 electronics for receiving communication signals directed to the r...	08/13/2002
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 connected between audio signal input and audio signal output, ...	08/08/2000
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 applied for instance to a transceiver of a radio communic...	01/11/2000
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 appropriate audio equalization mode is selected automatical...	10/21/1997
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 comprising both a video adapting circuit comprising at leas...	05/20/1997
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 selected broadcast station in accordance with the tastes of...	06/25/1996
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 suit a particular audio source. In one embodiment, a radio (1...	06/04/1996
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 reproducing the audio signal. A control circuit such as an automat...	09/05/1995
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 actual driver and the announcement becomes more pleasant ...	08/01/1995
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 fade change on perceived tone or frequency response. Tables ...	11/16/1993
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 selectively designating a program source such as a broadc...	08/31/1993
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 terminal to which a sound signal is applied through a hig...	07/13/1993
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 treble controls function independently of the volume setting ...	08/14/1984
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 and from a power source in response to transmitted messages....	06/12/1984
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 second differential amplifiers, while the output DC voltages ...	03/16/1982
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 its output end to an output transformer the secondary wind...	05/27/1980

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Class 455/267 - Tone control