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...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!

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Class 381/119 - WITH MIXER


Subclass of Class 381 - Electrical audio signal processing systems and devices
Definition: Subject matter including a circuit having two or more inputs
No. of patents: 434
Last issue date: 04/16/2013


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NumberTitleIssue Date
7107110Audio buffers with audio effects
An audio buffer includes one or more audio effects that modify audio data received from an audio data source. A first audio effect in the audio buffer receives audio data from the audio data source and modifies the audio data to generate a stream of audio data. Subs...
09/12/2006
7098821Receiving and transmitting signals having multiple modulation types using sequencing interpolator
In a wireless local area network (WLAN), receiving or transmitting signals having multiple modulation schemes can require the use of multiple clock rates. Providing these multiple clock rates significantly increases silicon area and power consumption, both of which ...
08/29/2006
7096080Method and apparatus for producing and distributing live performance
When each live performance signal is transferred from one live performance providing apparatus to the next, with the live performance providing apparatuses having the respective connection orders thereof, the live performance signal is mixed with a live performance ...
08/22/2006
7096186Device and method for analyzing and representing sound signals in the musical notation
Sound signal is received which contains sound characteristics to be represented in musical notation. The characteristics, such as a volume level of the sound signal, are extracted out of the received sound signal, and various parameters for use in subsequent analysi...
08/22/2006
7092540Automation of signal processing apparatus
Process for accurately timed automatic alteration of electrical signals stored on a signal carrier (1) during the transmission of the original signal to a signal receiver (8, 10) in which process, for the exact dynamic alteration of the original signal...
08/15/2006
7085387Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources
A sound system for capturing and reproducing sounds produced by a plurality of sound sources. The system comprises a device for receiving sounds produced by the plurality of sound sources and converting the separately received sounds to a plurality of separate audio...
08/01/2006
7078608Mixing system control method, apparatus and program
In order to set in advance, for each scene, setting data that should belong to (or should not belong to) a recall range, a predetermined recall setting window is displayed for a current data set representing current settings of a mixing system. Buttons in a paramete...
07/18/2006
7079026Method and apparatus of karaoke storage on a wireless communications device
A wireless communications device that alerts a user to a predetermined event includes a transceiver, a speaker, memory, and a controller. First and second pre-recorded audio files are stored in the memory, and may be, for example, pre-recorded music and the user's p...
07/18/2006
7075946Method and apparatus for audio output combining
A receiver unit (500) capable of combining a plurality of streaming data channels includes a receiver and a channel decoder (510) for receiving over the air in a time division multiplex signal the plurality of streaming data channels. The receiver unit...
07/11/2006
7075280Pulse-skipping PFM DC-DC converter using a voltage mode control loop
A pulse frequency modulation unit controls upper limit level and lower limit level for an output voltage of a DC-DC converter. A voltage mode control loop uses the upper and lower limit levels in a feedback loop to generate a control signal to enable and disable the...
07/11/2006
7072726Converting M channels of digital audio data into N channels of digital audio data
Audio data having M channels includes a header with metadata specifying a conversion function for converting the M channels of digital audio data into N channels of data. The metadata is a string of coefficients, which may be specified by the content author, to defi...
07/04/2006
7069346Apparatus and method for automatic router configuration
An apparatus and method of automatic router configuration is disclosed when a cable of the router in operation is replaced or a protocol configuration is changed, a PLD automatically senses the change and initializes parts of the system to normalize communication en...
06/27/2006
7062223Mobile transceiver and electronic module for controlling the transceiver
A mobile transceiver (1) comprises several receivers (16a, 16b, 16c, 17, 18, 19) for receiving electrical or electromagnetic signals carrying audio signals and a radio transmitter (15) for transmitting r...
06/13/2006
7062336Time-division method for playing multi-channel voice signals
A time-division method for playing multi-channel voice signals is provided to improve voice qualities of the multi-channel voice signals. The first feature of the present invention is that after time-division sampling, the voice signals can be directly sent to a sub...
06/13/2006
7058882Audio data recording/reproducing apparatus and method
Each track is made up of a linkage of regions, and each of the regions is made up of a linkage of nodes or clusters. Sound data are stored on a cluster-by-cluster basis, and reproduced by tracing such linkages. Each time editing is performed on a virtual track of th...
06/06/2006
7058189Audio monitoring and conversion apparatus and method
A method and apparatus is described for electronic signal monitoring and conversion to differing form. The preferred embodiment includes automatic selection of an audio signal from a plurality of input signals which may be in differing form, and conversion and proce...
06/06/2006
7054449Method for adjusting a transmission characteristic of an electronic circuit
A method for adjusting a transmission characteristic of an electronic circuit, in a hearing aid. The hearing aid is connected with a computer. The current operating parameters of the hearing aid are transmitted to the computer. The computer from the operating parame...
05/30/2006
7050595Audio mixing circuit
An audio mixing circuit used in an audio mixing console includes an equalizer, a fader cascaded to the equalizer, a distance filter cascaded to the fader, and a pan circuit cascaded to the distance filter. The distance filter is configured to attenuate and increase ...
05/23/2006
7050869Audio system conducting digital signal processing, a control method thereof, a recording media on which the control method is recorded
To change a value of a DSP parameter in a DSP setting screen, a user selects from parameter operators a parameter value to be changed. In an image picture displayed on the DSP setting screen, a size, a color, and the like corresponding to substance of the pertinent ...
05/23/2006
7045699Mixing method, mixing apparatus, and program for implementing the mixing method
There is provided a mixing method which is executed by a mixing apparatus and enables cascade connection without providing the mixing apparatus with any terminals used exclusively for cascade connection. The mixing method is executed by a first mixing apparatus incl...
05/16/2006
7039205Techniques for audio transducer switching under programmatic and off hook interrupt control
Techniques for configuring multiple audio transducers, including telephony devices, are provided. Audio configurations for the multiple audio input and output transducers can be selected by the user. When it is determined that a telephony device has gone off hook, t...
05/02/2006
7039204Equalization for audio mixing
During mixing of an N-channel input signal to generate an M-channel output signal, the mixed channel signals are equalized (e.g., amplified) to maintain the overall energy/loudness level of the output signal substantially equal to the overall energy/loudness level o...
05/02/2006
7039203Reduced complexity audio mixing apparatus
A plurality of audio inputs which require gain applied are coupled together, the gain is applied and that weighted signal is summed with the output of similar circuits running with different gains. For typical overall gain requirements of 0 to +22.5 dB to be applied...
05/02/2006
7035418Method and apparatus for determining sound source
Provided in accordance with the invention are a sound source identifying apparatus and method whereby objects as sound sources can be determined as to their locations with higher accuracy by using sound information and image information thereof and are separated fro...
04/25/2006
7031479Automation of signal processing apparatus
Signal processing apparatus is described in which at least two sets of automated signal processing functions are controlled by stored automation commands, at times dependent upon at least two respective timecode signals which may each be associated with a respective...
04/18/2006
7024009Removable template for audio amplification system
Disclosed is a removable template for recording custom settings on an audio amplification system, or components thereof. The template comprises a template blank shaped for accommodation by an amplifier control panel, the template blank having cut-outs or bores facil...
04/04/2006
7016266Sharing device for multiple audio sources
A sharing device is composed of a distributor and multiple output units. The distributor has multiple input ports to connect different audio sources, such as VCD/DVD players, and has multiple output ports to correspondingly connect to the multiple output units. Each...
03/21/2006
7013013Surround device
There is provided a surround device which processes stereo signals decoded by a decoder of a multi-channel surround method comprises boost means which boosts middle and low frequency components of a center channel signal in the stereo signals. There is also provided...
03/14/2006
7010371Digital audio signal player having a simulated analogue record
In a digital audio signal player having a simulated analogue record, a high frequency alternator is provided, which is connected to the microprocessor, and constantly sends out a high-frequency signal; the alternator has an output terminal electrically connected to ...
03/07/2006
7006642Audio control apparatus and audio processing apparatus in a mixing system
An audio mixing system is disclosed which makes it possible, when the transmission path that was disconnected is reconnected, to carry out processing in which the control parameters for setting the audio processing apparatus are transmitted to the audio processing a...
02/28/2006
6993366Portable telephone, control method thereof, and recording medium therefor
A portable telephone, a control method thereof, and a recording medium are provided. The portable telephone operates a plurality of microphones and speakers included in a voice input/output unit, senses and compares voice signals, which are input through the plurali...
01/31/2006
6987857Focus fader with dual optocouplers
The apparatus is a cross fader with dual optocouplers which communicate first and second audio signals. A manually controlled blade shutter travels along a linear path wherein at a first end of the path, a first edge of the blade shutter is inserted into the first o...
01/17/2006
6987858Signal processing method, program, and signal processing apparatus
A signal processing method is provided, which makes it possible to quickly find the cause of clipping or the like. A sound signal that is input is subjected to processing of adjusting at least one of sound volume and sound quality. It is determined whether the input...
01/17/2006
6985854Information processing device, picture producing method, and program storing medium
An information processing device in which a picture is displayed by being related to a sound. A selected picture (Psel) is switched on the basis of the change of the sound, and in the meantime, a composing method of a frequency-analyzed picture (Pspc) and the select...
01/10/2006
6985595Device, method and computer program for displaying signal information
A mixing console has, for example, eight signal processing channels each for processing audio signals, and indicator units respectively for the signal processing channels. Each indicator unit is to display the channel number or the note name or another short message...
01/10/2006
6980661Method of and apparatus for producing apparent multidimensional sound
The production of multidirectional or instantaneous live virtual surround sound broadcasting is obtained by positioning a plurality of microphones on an oval frame in a predetermined pattern and with a predetermined orientation, connecting the microphones to a virtu...
12/27/2005
6967452Operation apparatus with auto correction of position data of electric faders
An operation apparatus is designed for use with a system to deal with operation information of the system. In the operation apparatus, an operation piece is manually operable to move in a linear or circular direction to a position indicative of the operation informa...
11/22/2005
6965697Coding apparatus and method, decoding apparatus and method, data processing system, storage medium, and signal
A coding apparatus for embedding second data into first data without deteriorating the first data includes a memory for storing at least partial data of the first data. An embedding coder embeds the second data into the first data by rearranging, according to the se...
11/15/2005
6965804Buffer management system for digital audio
A method and apparatus for buffer management for digital audio recording/playback wherein a digital signal processor, memory and appropriate interfacing facilitate storage and retrieval of digital audio data samples continuously across non-contiguous areas of memory...
11/15/2005
6965677Focus fader with adjustable tension
The apparatus is a cross fader with a slide assembly which slidingly traverses a path defined by two parallel guide rods which pass through a partially open channels in the slider of the slide assembly. Tension plates are secured by self-tapping screws within recess...
11/15/2005
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