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Patent No. 6099319

Neuroimaging as a Marketing Tool

Neuroimaging as a means for validating whether a stimulus such as advertisement, communication, or product evokes a certain mental response such as emotion, preference, or memory, or to predict the consequences of the stimulus on later behavior such as consumption or purchasing.

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Class 375/316 - RECEIVERS


Subclass of Class 375 - Pulse or digital communications
Definition: Subject matter including apparatus to decode, demodulate,
No. of patents: 2246
Last issue date: 05/29/2012


                  56    
NumberTitleIssue Date
5144643Visual aid for VLF MSK signals
A visual display system provides patterns for visually aiding an operator determining the nature and noise environment of the incoming signal. A conventional signal receiver and an oscilloscope are coupled to a phase detector, a clock circuit and a frequ...
09/01/1992
5142553Receiver with direct quadrature sampling of the input signal
In a receiver, normal and quadrature components of a signal modulated on a carrier signal (at a second IF frequency) are directly obtained by carrier signal sampling with an analog-to-digital converter (A/D) at sampling instants controlled by periodically...
08/25/1992
5140614Method and apparatus for detecting digital carrier signals on telephone cables
The apparatus has a probe for collecting a small portion of a carrier signal on a pair of wires. The collected portion of the carrier signal is mixed with a local oscillator signal so as to produce a heterodyned signal having a low frequency component and...
08/18/1992
5123032Analog "blue" signal detector
An analog "blue" signal detector detects when the amplitude of a spectral component of an input signal associated with a blue signal exceeds a given level for a predetermined period of time to provide an indication that the blue signal is present. When th...
06/16/1992
5088107Linear channel bandwidth calibration circuit
A calibration circuit for a linear channel of an optical modem includes circuitry interconnected to the linear channel for causing the linear channel to oscillate. Circuitry is interconnected to the output of the linear channel for monitoring the bandwidt...
02/11/1992
5058138Modular receiver for signals having multiple channels and multiple formats
Disclosed is an apparatus for receiving a selected channel of a signal having a plurality of channels, each channel having a plurality of subchannels. A parabolic reflector, low noise amplifier and block converter receive the signal. A tuner detects the s...
10/15/1991
5034963Apparatus for visually aiding MSK detection and interference recognition and classification
An apparatus provides patterns for visually aiding an operator in determig the nature and noise environment of the incoming signal. A conventional signal receiver and an oscilloscope are coupled to a pair of phase detectors, a clock circuit, a reference ...
07/23/1991
5020077Modem and data communication system
A modem (18) and data communication system (10) particularly for operation in high frequency (HF) media. The modem (18) comprises an audio period timer (52) to detect cycles of data from a received signal, a bandwidth window (62) to flag undefined cycles ...
05/28/1991
5020078Baudrate timing recovery technique
A digital pulse receiver is disclosed in which the transmitted signal is recovered from the received signal by using a decision feedback equalizer to estimate and then remove the intersymbol interference. A second decision feedback equalizer is used to es...
05/28/1991
5018166Method and apparatus for baud timing recovery
A data communications receiver for use in a modem. A fixed sample clock and a dominated tap tracking algorithm lock the local baud timing in the receiver to the baud timing in a remote transmitter. An interpolating filter provides a plurality of discrete ...
05/21/1991
5003555Data transmission system comprising a decision feedback equalizer and using partial-response techniques
A system for transmitting an n-level data signal (dk) at a given symbol rate 1/T comprises a data transmitter (1), a transmission channel (2) and a data receiver (3) with an equalizer (30) of the decision feedback type. By arranging this equali...
03/26/1991
4955039Quadrature receiver
A quadrature receiver is disclosed which contains two mixers (M1, M3) in an in-phase receiving path and two mixers (M2, M4) in a quadrature receiving path for converting a received signal to a low IF. Each of the mixers is fed with an oscillator signal (O...
09/04/1990
4955038Low-power RF receiver
A RF receiver with extremely low standby power consumption. To minimize power consumption during standby, the analog input from the antenna circuit (including tank resonator) is connected directly to the inputs of a comparator. Preferably two comparators ...
09/04/1990
4910752Low power digital receiver
A low power digital receiver (10) is provided that contemporaneously selects the lowest possible sampling signal frequency (34) (from a plurality of available sampling signals), and received signal level (28) to properly digitize (32) and recover a desire...
03/20/1990
4849989Data modem receiver
In a data modem receiver (80) the received signal is digitized in an A/D-converter (84), the output of which is applied to notch filter means (88, 96) which eliminates secondary channel signals, and which applies an output signal to a pair of IIR filters ...
07/18/1989
4847868Non-coherent pattern detection
The present invention is directed to a digital non-coherent pattern detection scheme in which spectral analysis of phase encoded signals is utilized to provide pattern recognition. The present invention is relatively insensitive to the power level of inco...
07/11/1989
4811362Low power digital receiver
A low power digital receiver (10) is provided that contemporaneously selects the lowest possible sampling signal frequency (34) (from a plurality of available sampling signals), and received signal level (28) to properly digitize (32) and recover a desire...
03/07/1989
4805194Serial data communication system
A serial data communication system including a microprocessor and an asynchronous communication interface adapter (ACIA) implementing a SMPTE Supervisory Protocol for Digital Interface Control. The system detects the beginning of a break character as the ...
02/14/1989
4794620Radio frequency modem and method
A radio frequency modulator/demodulator (modem) and method for receiving and transmitting data over a radio frequency data link. The modem has a transmitting section which includes a modulator which modulates a radio frequency signal in response to data p...
12/27/1988
4789995Synchronous timer anti-alias filter and gain stage
A synchronous timer anti-alias filter gain stage utilizing switched capacitor circuitry is described. A high frequency sampling clock is used for a switched capacitor anti-alias filter. In the preferred embodiment, a clock of approximately 921.6 kilohertz...
12/06/1988
4785468Intermittent receiver
In intermittent receiver comprises a shift register, a time signal generator including a decoder connected to receive at least a portion of parallel data outputs of the shift register so as to generate a time signal and a delayed detector including an exc...
11/15/1988
4777657Computer controlled broadband receiver
A programmable signal receiver for use in a computer system. The signal receiver is located inside the computer's chassis and has an interface directly coupled to the computer's bus for receiving instruction signals which specify one or more channels to b...
10/11/1988
4745625Transition detector
The unknown time when a transition in a signal point sequence has occurred is determined by a trellis technique based on known subsequences of symbols that preceded and followed the transition....
05/17/1988
4736390Zero IF radio receiver apparatus
There is described a zero IF receiver which affords to reduce offsets normally associated with quadrature mixers employed in such receivers. In order to reduce the effect of such offsets the local oscillator signal is modulated with a balanced pseudo-rand...
04/05/1988
4726040Burst demodulator
The present invention relates to a burst demodulator for use, for example, in a TDMA communication system, which comprises a first section that downconverts a received r-f burst sequence signal to an approximate baseband signal with a local oscillator, sa...
02/16/1988
4722093Arrangement for detecting bursts
In order to detect bursts transmitted in a manner that each burst is located within an allocated time slot within each consecutive frame, the bursts are labelled in accordance with a burst time plan signal to produce a burst discriminating signal. Thereaf...
01/26/1988
4656644Digital radio receiving apparatus
A digital radio receiving apparatus includes a transversal demodulator which is controlled under an internal control mode and an external control mode selectively by means of a control circuit. The control circuit operates under the external control mode ...
04/07/1987
4606050System for detecting and recovering a transmitted signal
What is disclosed is a system for recovering encoded data from a transmitted signal. A clock regenerating circuit regenerates a clock signal from the data bits encoded in the signal. The regenerated clock signal is used to synchronize an up/down with each...
08/12/1986
4592074Simplified hardware implementation of a digital IF translator
There is disclosed an implementation of a digital intermediate frequency (IF) translator which accepts a digital converted IF input and performs a complex mix to produce an IF baseband output in I (in-phase) and Q (quadrature phase) format. The translator...
05/27/1986
4584694Method and apparatus for estimating baud rate
The baud rate of a digital signal is estimated using a method based on a mean squared error determination. The disclosed method fits a sine wave curve to the digital signal and varies its frequency until the mean squared error is a minimum, wherein the er...
04/22/1986
4517680Error vector normalizer
This invention pertains to a digital modem having a normalizer for normalizing the output of the modem demodulator to a predetermined range. The modem generates a signal vector corresponding to each received signal in a complex plane. The normalizer then ...
05/14/1985
4494240Modem end of message detector
In modem apparatus having receiver circuitry which demodulates a received carrier into a sequence of received signals and decodes each signal into a signal point drawn from a predetermined signal point alphabet, the received carrier being modulated in acc...
01/15/1985
4330862Signal characteristic state detector using interval-count processing method
Received baseband data signals, in the form of signals having at least one level transition per symbol indicative of symbol information state, are sampled (17) at a rate much higher than the symbol rate. The samples are used to control the direction of co...
05/18/1982
4290143Transmission method and apparatus wherein binary data bits are converted into barker words and vice versa
A binary encoded data transmission system wherein a binary data bit of a first value is represented by a first predetermined multi-bit binary Barker word and a binary data bit of a second value is represented by a second multi-bit binary Barker word, the ...
09/15/1981
4227152Method and device for training an adaptive equalizer by means of an unknown data signal in a quadrature amplitude modulation transmission system
A method and a device for training the equalizer of a receiver used in a QAM transmission system, by means of an unknown data signal, thereby enabling in particular said equalizer to be trained in the cases described above. In accordance with the method o...
10/07/1980
4197502Digital signal detector
A digital signal detector is disclosed that detects a serial bit stream transmitted at a predetermined bit frequency. Bit transitions are totallized in a counter over a predetermined time interval. Bit transitions occurring during a good window interval i...
04/08/1980
4189677Demodulator unit for spread spectrum apparatus utilized in a cellular mobile communication system
A demodulator unit is disclosed for spread spectrum apparatus utilized in a cellular mobile communication system. The cellular mobile communication system includes a plurality of fixed base stations connected with a central processor so that calls origina...
02/19/1980
4178549Recognition of a received signal as being from a particular transmitter
A system for recognizing a received encoded signal as being from a particular transmitter is disclosed. An encoder encodes a signal to have a predetermined sequence of pulses of three different predetermined sequence of pulses of three different predeterm...
12/11/1979
4166980Method and apparatus for signal recognition
A method and apparatus are provided for sorting signals from compressive receivers in accordance with the type of modulation on the signal, so as to be able to establish the identity of the signal short of fully demodulating it. It has been found that sig...
09/04/1979
4130724Data receiver with synchronizing sequence detection circuit
A data receiver with synchronizing-sequence detection circuit which comprises a bandpass filter for selecting a channel signal component of carrier frequency fc, a zero-crossing detector, pulse interval measuring means and a pulse pattern analy...
12/19/1978
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