Abstract: The interest level estimation system of the present invention includes a gaze measurement unit that measures a person's gaze velocity and a skin potential level measurement unit that measures a person's skin potential level. The interest level estimation system also includes an interest level estimation unit.

Abstract: A signal converter and the like, which can more accurately and stably realize signal conversion between an analog signal and a digital signal are proposed. In a ?-encoder, when a logic value generated by at least a quantizer 7 is 1, a signal generation unit 11 generates a feedback signal from an amplified signal generated by an amplifier 5 and a power source signal generated by a power source 9, and the signal generation unit 11 adds the feedback signal to an input signal. Therefore, for example, the ?-encoder having robustness to fluctuation of a quantizer 7 can be realized. Further, the more-stable ?-encoder can be realized by a negative ?-encoder that generates the feedback signal using a signal obtained by inverting a sign of the amplified signal. Optimum designs of the amplifier 5 and power source 9 can also be realized.

Abstract: Provided is a highly accurate converter and the like that makes up for the instability of circuit elements, by focusing on a relationship between the Markov chain and ? conversion. A converter 1 that determines the decoded value of a sample value x based on L-bit number bi (i=1, . . . , L) includes a decoding section 3 to determine the decoded value xD for ?=1/? (where 1<?<2) using equation (eq 1). Further, the converter 1 also includes a matrix estimation section 5 to determine the Markov transition matrix based on bi. Unlike a conventional method that pays attention to the lower limit of an interval, the decoding section 3 using equation (eq 1) pays attention to the center of the interval, and this point is a significant difference. x D = ? i = 1 L ? b i ? ? i + ? L + 1 2 ? ( 1 - ? ) .

Abstract: There is provided a mechanism for generating random numbers following the normal distribution which does not generate a sequence correlation. The mechanism for generating random numbers following the normal distribution includes: a random recurrence plot generating mechanism 1 for generating random recurrence plots; and a recurrence plot-time series converting mechanism 4 for converting the random recurrence plots from the random recurrence plot generating unit 1 into time series, wherein Gaussian random numbers are generated by the recurrence plot-time series converting mechanism 4.

Abstract: Provided is a highly accurate converter and the like that makes up for the instability of circuit elements, by focusing on a relationship between the Markov chain and ? conversion. A converter 1 that determines the decoded value of a sample value x based on L-bit number bi (i=1, . . . , L) includes a decoding section 3 to determine the decoded value xD for ?=1/? (where 1<?<2) using equation (eq1). Further, the converter 1 also includes a matrix estimation section 5 to determine the Markov transition matrix based on bi. Unlike a conventional method that pays attention to the lower limit of an interval, the decoding section 3 using equation (eq1) pays attention to the center of the interval, and this point is a significant difference. x D = ? i = 1 L ? b i ? ? i + ? L + 1 2 ? ( 1 - ? ) .

Abstract: The interest level estimation system of the present invention includes a gaze measurement unit that measures a person's gaze velocity and a skin potential level measurement unit that measures a person's skin potential level. The interest level estimation system also includes an interest level estimation unit.

Abstract: An N-shaped nonlinear resistor circuit using floating gate MOSFETs; to realize various N-shaped characteristics that can be approximated by piecewise linear functions of third to seventh orders and further to realize N-shaped V-I characteristics that can variously change those characteristics by use of external voltages. A ?-type nonlinear resistor circuit (1) and a V-type nonlinear resistor circuit (2) using multi-input floating gate MOSFETs are connected in parallel, and the currents of the ?-type and V-type nonlinear resistor circuits are added together, thereby providing various N-shaped voltage-current characteristics.

Abstract: An N-shaped nonlinear resistor circuit using floating gate MOSFETs to realize various N-shaped characteristics that can be approximated by piecewise linear functions of third to seventh orders and further to realize N-shaped V-I characteristics that can variously change those characteristics by use of external voltages. A ?-type nonlinear resistor circuit (1) and a V-type nonlinear resistor circuit (2) using multi-input floating gate MOSFETs are connected in parallel, and the currents of the ?-type and V-type nonlinear resistor circuits are added together, thereby providing various N-shaped voltage-current characteristics.

Abstract: An object is to provide a time-series prediction method and apparatus utilizing wavelet coefficient series which can accurately predict a prediction value of an original time series. When a time-series prediction utilizing wavelet coefficient series is performed, a time series is wavelet-transformed by use of a wavelet transformation unit in order to decompose the time series into a plurality of time series which are band-restricted in the frequency domain, predicted values of frequency components obtained as a result of decomposition are predicted by use of corresponding prediction units, and the prediction values of the respective frequency components are reconstructed by use of an inverse wavelet transformation unit to thereby obtain a prediction value of the original time series.

Abstract: A rotary nozzle device has: a nozzle composed of plural rotatable hollow links which are mutually passable through, a pump for press-feeding a fluid into the hollow links, and at least one fluid injection port in at least one hollow link of the nozzle, wherein the fluid is injected from the injection port while the hollow link is rotated by the force of the fluid pressurized by the pump, and the motion of the injection port is set in chaotic state by adjusting a characteristic of the nozzle.

Abstract: A rotary nozzle device has:

Abstract: An apparatus and method for heating microwave oven using a deterministic chaotic signal. The microwave oven includes a heating compartment, a magnetron for generating microwaves, a waveguide for directing the microwaves into the heating compartment and a chaotic signal generator for driving the magnetron. The characteristics of the chaotic signal are adjusted to tend to vary the output energy of the magnetron and increase the uniformity of the microwaves in the heating compartment.

Abstract: An apparatus and method for heating a microwave oven using a deterministic chaotic signal. The microwave oven includes a heating compartment, a magnetron for generating microwaves, a waveguide for directing the microwaves into the heating compartment and a chaotic signal generator for driving the magnetron. The characteristics of the chaotic signal are adjusted to tend to vary the output energy of the magnetron and increase the uniformity of the microwaves in the heating compartment.

Abstract: A nonlinear resistor circuit utilizes capacitively-coupled multi-input MOSFETs in order to enable integration thereof by a standard CMOS process, and which can realize two types of nonlinear resistance characteristics; i.e., A-type and V-type nonlinear resistance characteristics. The circuit includes a core circuit which comprises enhancement-type N-channel and P-channel MOSFETs with source terminals being connected with each other.

Abstract: A rotary nozzle device has:

Abstract: A rotary nozzle device has

Abstract: A rotary nozzle device is described. The device includes plural rotatable hollow links which are mutually passable through, a pump for feeding a pressurized fluid into the hollow links, and at least one fluid injection port in at least one hollow link of the nozzle. Moreover, the fluid is injected from the injection port while the hollow link is rotated by the force of the fluid pressurized by the pump, and the motion of the injection port is set in chaotic state by adjusting a structural characteristic of the nozzle.

Abstract: This invention relates to a cycloalka[b]pyridine-3-carbonylguanidine derivative represented by the following general formula (1): and a salt thereof, which can provide a drug having sodium/proton (Na+/H+) exchange transport inhibitory action.

Abstract: An apparatus and method for heating a microwave oven using a deterministic chaotic signal. The microwave oven includes a heating compartment, a magnetron for generating microwaves, a waveguide for directing the microwaves into the heating compartment and a chaotic signal generator for driving the magnetron. The characteristics of the chaotic signal are adjusted to tend to vary the output energy of the magnetron and increase the uniformity of the microwaves in the heating compartment.